Technical field
[0001]
　The present disclosure, a communication device, a communication method and a recording medium.
BACKGROUND
[0002]
　Cellular mobile communication radio access scheme and a radio network (hereinafter, "Long Term Evolution (LTE)", "LTE-Advanced (LTE-A)", "LTE-Advanced Pro (LTE-A Pro)", "New Radio ( . that NR) ", also referred to as" New Radio Access Technology (NRAT) "," Evolved Universal Terrestrial Radio Access (EUTRA) ", or" Further EUTRA (FEUTRA) ") is the third generation partnership project (3rd generation partnership project: It has been studied in 3GPP). In the following description, LTE includes LTE-A, LTE-A Pro, and the EUTRA, NR is NRAT, and a FEUTRA. In LTE and NR, the base station apparatus (base station) eNodeB (an evolved NodeB), the terminal apparatus (mobile station, the mobile station apparatus, terminal) also called UE (User Equipment). LTE and NR are cellular communication system providing a plurality of areas in which the base station apparatus covers the cellular. Single base station apparatus may manage a plurality of cells.
[0003]
　NR is the next generation radio access scheme for LTE, and LTE are different RAT (Radio Access Technology). NR is, eMBB (Enhanced mobile broadband), an access technique that can accommodate a variety of use cases including mMTC (Massive machine type communications) and URLLC (Ultra reliable and low latency communications). NR is usage scenarios in those use cases, requirements, and is considered with the aim of corresponding technical frameworks like deployment scenario. Scenario details and requirements of NR, is disclosed in Non-Patent Document 1.
[0004]
　It will now be described retransmission control in a wireless communication system such as LTE or NR. For example, the base station apparatus, when transmitting data to the terminal device, the terminal device reports information indicating whether the data was correctly received at the base station apparatus. For example, if the terminal device has received the data correctly, Ack to the base station apparatus: transmits the (Acknowledgment acknowledgment), if the terminal device does not receive data correctly, the base station apparatus Nack: a (Negative Acknowledgment Negative Acknowledgment) Send. Here, information indicating whether it has received correctly the received data is referred to as HARQ-ACK. The base station apparatus, by the reported HARQ-ACK, it can for the terminal device to recognize whether it has received the data correctly, if not received correctly, the base station apparatus retransmits the data to the terminal apparatus can do. Such retransmission control is also called HARQ (Hybrid automatic repeat request). Details of the retransmission control in LTE is disclosed in Non-Patent Document 2.
[0005]
　Furthermore, the NR, Particularly suitable frame structure for low-latency communication, Self-contained, (self-contained) subframe has been studied. For example, in Self-contained, subframes, one subframe includes a downlink data, the HARQ-ACK in uplink for data of the downlink. The Self-contained, subframes, one subframe includes a downlink control information, and data of the downlink uplink scheduled in the control information. For example, details of the Self-contained, subframe, is disclosed in Non-Patent Document 3.
CITATION
Non-patent literature
[0006]
非特許文献1 : 3rd　Generation　Partnership　Project;　Technical　Specification　Group　Radio　Access　Network;　Study　on　Scenarios　and　Requirements　for　Next　Generation　Access　Technologies;　(Release　14),　3GPP　TR　38.913　V0.3.0　(2016-03).
非特許文献2 : 3rd　Generation　Partnership　Project;　Technical　Specification　Group　Radio　Access　Network;　Evolved　Universal　Terrestrial　Radio　Access　(E-UTRA);　Physical　layer　procedures　(Release　13)　,　3GPP　TS　36.213　V13.2.0　(2016-06).
非特許文献3 : R1-164694,　Frame　structure　requirements,　Qualcomm　Incorporated,　3GPP　TSG　RAN　WG1　Meeting　#85,　Nanjing,　China,　23rd　-　27th　May　2016.
Summary of the Invention
Problems that the Invention is to Solve
[0007]
　In NR, for flexibly support various use cases, as compared to LTE, the transmission signal frame structure, and such a channel structure is likely to be extended. However, NR is still a middle of the study, it is difficult to say that techniques for supporting various use cases envisaged is sufficiently proposed. For example, techniques for supporting various use cases for the timing of communication performed between the communication device is also one of those that are not sufficiently proposed.
[0008]
　Therefore, in this disclosure, we propose a mechanism that allows flexible design regarding the timing of the communication.
Means for Solving the Problems
[0009]
　According to the present disclosure, the second channel any one of which corresponds to the first channel transmitted in a second direction opposite the first channel or said first direction to be transmitted to the first direction a communication control unit for controlling the transmission and other one reception, and a setting unit for setting a control mode by the communication control unit to the first mode or the second mode, the communication control unit, the in the first mode, the first transmit and receive in different sub-frame channel and a second channel, it said in the second mode, the first channel and the second channel and the same transmitted and received within a sub-frame, the communication device is provided.
[0010]
　Further, according to the present disclosure, the second channel corresponding to the first channel transmitted in a second direction opposite the first channel or said first direction to be transmitted to the first direction and controlling by any one processor transmitting and the other one of the reception, wherein the setting the control mode to the first mode or the second mode, and to the control, the first mode in transmit and receive said first channel and said second channel in different subframes in the second mode, and said first channel and said second channel in the same subframe be transmitted and received, the communication method comprising is provided.
[0011]
　Further, according to the present disclosure, the second the corresponding computer, in the first channel transmitted in a second direction opposite the first channel or said first direction to be transmitted to the first direction of a communication control unit for controlling any one transmission and other one reception channel, and a setting unit for setting a control mode by the communication control unit to the first mode or the second mode, to function as the the communication control unit, the in the first mode, and receive said first channel and said second channel in different subframes, the in the second mode, the said first channel second sending and receiving of the channel in the same subframe, a recording medium recording a program to function as is provided.
Effect of the invention
[0012]
　According to the present disclosure described above, a mechanism that enables flexible design for the timing of communication is provided. Incidentally, the above effect is not necessarily restrictive, with the above effects, or instead of the above effects, any effects shown herein, or other effects that may be grasped from the description, it may be achieved.
BRIEF DESCRIPTION OF THE DRAWINGS
[0013]
Is a diagram showing an example of a setting of a component carrier in FIG. 1 embodiment.
Is a diagram showing an example of a setting of a component carrier in FIG. 2 embodiment.
3 is a diagram showing an example of an LTE downlink subframe in the present embodiment.
Is a diagram illustrating an example of an LTE uplink sub-frame in FIG. 4 embodiment.
Is a diagram illustrating an example set of parameters related to the transmission signal in FIG. 5] NR cell.
6 is a diagram showing an example of a downlink subframe of the NR in this embodiment.
7 is a diagram showing an example of an uplink subframe of the NR in this embodiment.
8 is a schematic block diagram showing a configuration of a base station apparatus of the present embodiment.
9 is a schematic block diagram showing a configuration of a terminal device of the present embodiment.
It is a diagram illustrating an example of a downlink resource elements mapping NR in FIG. 10 embodiment.
11 is a diagram showing an example of a downlink resource elements mapping NR in this embodiment.
It is a diagram illustrating an example of a downlink resource elements mapping NR in FIG. 12 embodiment.
It is a diagram illustrating an example of a frame structure of a self-contained transmission in FIG. 13 embodiment.
14 is a diagram showing an example of a non-orthogonal multiplex transmit signal processing in this embodiment.
It is a diagram illustrating an example of FIG. 15 non-orthogonal multiplexed reception signal processing in this embodiment.
16 is a block diagram showing an example of a logical configuration of the control unit of the base station apparatus according to this embodiment.
17 is a block diagram showing an example of a logical configuration of the control unit of the terminal apparatus according to the present embodiment.
18 is a diagram showing a configuration example of a Non self-contained, sub frame when the PDSCH transmission.
19 is a diagram showing a configuration example of a Self-contained, sub frame when the PDSCH transmission.
Diagrams [20] shows a configuration example of a Non self-contained, subframes in the case of PUSCH transmission.
It is a diagram illustrating a configuration example of a Self-contained, subframes in the case of FIG. 21] PUSCH transmission.
22 is a flowchart showing an exemplary flow of a control mode setting processing executed in the terminal apparatus according to the present embodiment.
FIG. 23 is a sequence diagram showing an example of the flow control mode setting processing executed in the wireless communication system according to this embodiment.
Is a diagram illustrating an example of FIG. 24] PUCCH configuration.
Is a diagram illustrating an example of FIG. 25] PUCCH configuration.
It is a block diagram showing a first exemplary configuration of FIG. 26] eNB.
It is a block diagram showing a second exemplary configuration of FIG. 27] eNB.
[FIG. 28] is a block diagram showing an example of a schematic configuration of a smart phone.
Is a block diagram showing an example of a schematic configuration of a [29] a car navigation system.
DESCRIPTION OF THE INVENTION
[0014]
　Reference will now be described in detail preferred embodiments of the present disclosure. In the specification and the drawings, components having substantially the same function and structure are a repeated explanation thereof by referring to the figures. Further, unless otherwise specified, the techniques described below, functions, methods, construction, procedure, and all other described can be applied to LTE and NR.
[0015]
　The description will be made in the following order.
　　1. Introduction
　　2. Technical features
　　　2.1. Configuration example of the higher layer processing unit
　　　2.2. Frame structure of NR
　　　2.3. Timing control
　　　2.4. PUCCH configuration details of
　　　2.5. Supplement
　　3. Application Example
　　4. Summary
[0016]
　<< 1. First >>
　first described background art of an embodiment of the present disclosure.
[0017]
　　
　In the present embodiment, the wireless communication system, characterized by at least the base station apparatus 1 and terminal apparatus 2. The base station apparatus 1 can accommodate a plurality of terminal devices. The base station apparatus 1 can be connected together by another base station apparatus and the X2 interface means. Further, the base station apparatus 1 can be connected to an EPC (Evolved Packet Core) by means of a S1 interface. Furthermore, the base station apparatus 1 may be connected to the MME (Mobility Management Entity) by means of S1-MME interface can connect to a S-GW (Serving Gateway) by means of S1-U interface. S1 interface to an are between the MME and / or S-GW and the base station apparatus 1 and supports a many-to-many connections. Further, in the present embodiment, the base station apparatus 1 and terminal apparatus 2 supports LTE and / or NR, respectively.
[0018]
　　
　In the present embodiment, the base station apparatus 1 and the terminal device 2, supports one or more radio access technology (RAT), respectively. For example, RAT includes LTE and NR. One RAT corresponds to one cell (component carrier). That is, when a plurality of RAT are supported, their RAT, each correspond to a different cell. In this embodiment, the cell, the downlink resource, uplink resource, and / or a combination of side links. In the following description, the cell corresponding to the LTE is referred to as LTE cell, the cell corresponding to NR is referred to as a NR cell.
[0019]
　Communication downlink is a communication for the terminal apparatus 2 from the base station apparatus 1. Downlink transmission are transmitted from the base station apparatus 1 to the terminal device 2, which is the transmission of the downlink physical channels and / or downlink physical signals. Uplink communication is a communication from the terminal device 2 to the base station apparatus 1. Uplink transmission is transmitted from the terminal device 2 to the base station apparatus 1, the transmission of the uplink physical channels and / or uplink physical signals. Communication side links is a communication to another terminal apparatus 2 from the terminal device 2. Side link transmission is transmitted from the terminal device 2 to another terminal device 2, which is the transmission side link physical channel and / or side links physical signals.
[0020]
　Communication side links are defined for direct proximity detection and proximity direct communication between terminals. Communication side links may use the same frame structure and the uplink and downlink. The communication of the side links may be limited to a portion of the uplink resource and / or downlink resources (subset).
[0021]
　The base station apparatus 1 and terminal apparatus 2, the downlink, in uplink and / or side links, capable of supporting communication using a set of one or more cells. A set of a plurality of cells is referred to as carrier aggregation or dual connectivity. For more information on carrier aggregation and dual connectivity will be described later. Further, each cell using a predetermined frequency bandwidth. Maximum value in a predetermined frequency bandwidth, minimum and Possible values ​​may be defined in advance.
[0022]
　Figure 1 is a diagram showing an example of a setting of a component carrier in the present embodiment. In the example of FIG. 1, one LTE cell and two NR cell is set. One LTE cell is set as the primary cell. Two NR cell is set as the primary secondary cell and the secondary cell, respectively. Two NR cell is integrated by the carrier aggregation. Also, LTE cell and NR cell is integrated by the dual connectivity. Incidentally, LTE cell and NR cell may be integrated by the carrier aggregation. In the example of FIG. 1, NR, since it can be assisted to connect the LTE cell is the primary cell may not support some functions, such as functions for communicating standalone. Function for communicating a standalone includes functions required for initial connection.
[0023]
　Figure 2 is a diagram showing an example of a setting of a component carrier in the present embodiment. In the example of FIG. 2, two NR cell is set. Two NR cell is set as the primary cell and secondary cell, respectively, it is integrated by the carrier aggregation. In this case, NR cell by supporting function for communicating a standalone, assist LTE cell becomes unnecessary. Incidentally, the two NR cell may be integrated dual connectivity.
[0024]
　　
　In the present embodiment, 10 ms radio frame consists of (in milliseconds) (radio frame) is defined. Each radio frame includes two half-frames. Time interval of half-frame is 5ms. Each half-frame consists of five subframes. Time interval of the subframe is 1 ms, is defined by two consecutive slots. Time interval of the slot is 0.5 ms. I th subframe in the radio frame is composed of a (2 × i) th slot and (2 × i + 1) th slot. That is, in each radio frame, 10 subframes are defined.
[0025]
　Sub-frame includes a downlink sub-frame, the uplink sub-frame, and special sub-frame and the side link sub-frame.
[0026]
　Downlink subframe is a subframe are reserved for downlink transmission. Uplink subframe is a subframe are reserved for uplink transmission. Special sub-frame is made up of three fields. Three fields, DwPTS (Downlink Pilot Time Slot), GP (Guard Period), and UpPTS the (Uplink Pilot Time Slot). DwPTS, the length of the sum of the GP, and UpPTS is 1ms. DwPTS is a field that is reserved for transmission downlink. UpPTS is a field that is reserved for the uplink transmission. GP is a field downlink transmission and uplink transmission is not performed. Note that special subframe may be configured only by the DwPTS and GP, it may be constituted only by GP and UpPTS. Special subframe is located between the TDD (Time Division Duplex) in the downlink subframe and the uplink subframe is used to switch to the uplink sub-frame from the downlink subframe. Side subframe is a subframe that is reserved or set for the side link communication. Side links are used for proximity direct communication and direct proximity detection between terminals.
[0027]
　Single radio frame is a downlink subframe, an uplink subframe, and a special subframe and / or the side subframe. Also, a single radio frame is a downlink subframe, an uplink subframe may be configured only in special subframe or the side subframe.
　A plurality of radio frame structure is supported. Radio frame structure is defined by the frame structure type. Frame structure type 1 applicable only to FDD (Frequency Division Duplex). Frame structure type 2 is applicable only to TDD. Frame structure type 3 is applicable only to the operation of the LAA (Licensed Assisted Access) secondary cell.
[0028]
　In the frame structure type 2, a plurality of uplink - downlink configuration is defined. Uplink - in the downlink arrangement, each of the 10 sub-frames in one radio frame, downlink subframe, corresponding to one uplink subframe and special subframe. Subframe 0, subframe 5 and DwPTS are always reserved for downlink transmission. UpPTS and sub-frame immediately following the special subframe is always reserved for uplink transmission.
[0029]
　In the frame structure type 3, 10 sub-frames within one radio frame is reserved for downlink transmission. Terminal 2 can handle a subframe PDSCH or detection signal is not transmitted as an empty subframe. Terminal device 2, a predetermined signal, without this being detected at the subframe is channel and / or downlink transmission is assumed that the absence of any signal and / or channel to the sub-frame. Downlink transmission is occupied by one or more contiguous subframes. Its first subframe of the downlink transmission, where may be initiated even from within that sub-frame. The last sub-frame of the downlink transmission, either completely occupied, either exclusively in the time interval defined by the DwPTS, may be either.
[0030]
　Note that in the frame structure type 3, 10 sub-frames within one radio frame may be reserved for uplink transmission. Further, each of the 10 sub-frames within one radio frame, downlink subframe, an uplink subframe, may correspond to any of the special subframe and the side subframe.
[0031]
　The base station apparatus 1 in the DwPTS of the special subframe may transmit a downlink physical channel and a downlink physical signals. The base station apparatus 1 in the DwPTS of the special subframe, can limit the transmission of the PBCH. The terminal apparatus 2, in the UpPTS of the special subframe may transmit uplink physical channels and uplink physical signals. The terminal apparatus 2, in the UpPTS of the special subframe, can limit the transmission of part of the uplink physical channels and uplink physical signals.
[0032]
　The time interval in one transmission is referred to as TTI (Transmission Time Interval), in LTE, it is defined 1ms (the 1 sub-frame) and 1 TTI.
[0033]
　　
　FIG. 3 is a diagram showing an example of LTE downlink subframe in the present embodiment. The view shown in Figure 3, also referred to as LTE downlink resource grid. The base station apparatus 1, in the downlink subframe to the terminal device 2 can transmit downlink physical signal of the LTE downlink physical channels and / or LTE. The terminal apparatus 2, in the downlink sub-frame from the base station apparatus 1 can receive the LTE downlink physical channels and / or LTE downlink physical signals.
[0034]
　Figure 4 is a diagram showing an example of an LTE uplink sub-frame in this embodiment. The view shown in Figure 4, also referred to as LTE uplink resource grid. The terminal apparatus 2, in the uplink subframe to the base station apparatus 1 can transmit the LTE uplink physical channels and / or LTE uplink physical signals. The base station apparatus 1 in the uplink subframe from a terminal device 2 can receive the LTE uplink physical channels and / or LTE uplink physical signals.
[0035]
　In the present embodiment, the physical resources of LTE may be defined as follows. One slot is defined by a plurality of symbols. Physical signal or a physical channel transmitted in each slot is represented by a resource grid. In the downlink, resource grid includes a plurality of subcarriers for the frequency direction is defined by a plurality of OFDM symbols for the time direction. In uplink, the resource grid includes a plurality of subcarriers for the frequency direction is defined by a plurality of SC-FDMA symbols for the time direction. The number of subcarriers or resource blocks may be determined depending on the band width of the cell. The number of symbols in one slot, depends on the type of CP (Cyclic Prefix). Type of CP is a normal CP or an extended CP. In the normal CP, the number of OFDM symbols or SC-FDMA symbols constituting one slot is 7. In Extended CP, the number of OFDM symbols or SC-FDMA symbols constituting one slot is 6. It referred respectively to as a resource element of the element in the resource grid. Resource element is identified by using the index of the symbol index subcarrier (ID) (No.). In the description of this embodiment, OFDM symbols or SC-FDMA symbols are simply referred to as a symbol.
[0036]
　Resource blocks are used for mapping certain physical channels (such as PDSCH or PUSCH) to resource elements. Resource block includes a virtual resource block and physical resource block. Certain physical channel is mapped to the virtual resource blocks. Virtual resource block is mapped to physical resource blocks. One physical resource block is defined by the successive symbols of a predetermined number in the time domain. One physical resource block is defined and a consecutive subcarriers of a predetermined number in the frequency domain. The number of symbols and the number of subcarriers in one physical resource block, the type of CP in the cell is determined based like parameters set by the sub-carrier spacing and / or the upper layer. For example, a type is a normal CP in CP, when the subcarrier spacing is 15 kHz, the number of symbols in one physical resource blocks is 7, the number of subcarriers is 12. In that case, one physical resource block is composed of (7 × 12) pieces of resource elements. Physical resource blocks are numbered from 0 in the frequency domain. Further, the same physical resource block number corresponds, two resource blocks in one subframe is defined as a physical resource block pairs (PRB pairs, RB pair).
[0037]
　In each of the LTE cell, in some subframe, one predetermined parameter is used. For example, the predetermined parameter is a parameter (physical parameter) related to the transmission signal. Parameters relating to transmission signals, CP length, a subcarrier spacing, number of symbols in one subframe (predetermined time length), the number of subcarriers definitive one resource blocks (predetermined frequency band), multiple access scheme, and the signal waveform, and the like.
[0038]
　That is, in the LTE cell, the downlink signal and uplink signal are respectively predetermined time length (for example, subframe) in, is generated using one predetermined parameter. In other words, the terminal device 2, a downlink signal transmitted from the base station apparatus 1, and an uplink signal to be transmitted to the base station apparatus 1 in each predetermined time length, it is generated at one predetermined parameter , and it is assumed. Further, the base station apparatus 1, a downlink signal to be transmitted to the terminal device 2, and, as an uplink signal transmitted from the terminal apparatus 2, at each predetermined time length, is generated at one predetermined parameter set to.
[0039]
　　
　In each of NR cell, a certain predetermined length of time (e.g., subframes), the one or more predetermined parameters are used. That is, in the NR cell, downlink signals and uplink signals in each predetermined time length, is generated using one or more predetermined parameters. In other words, generation terminal apparatus 2, a downlink signal transmitted from the base station apparatus 1, and an uplink signal to be transmitted to the base station apparatus 1 in each predetermined length of time at one or more predetermined parameters is is, to be assumed. Further, the base station apparatus 1, a downlink signal to be transmitted to the terminal device 2, and the uplink signal transmitted from the terminal apparatus 2, at each predetermined time length, is generated at one or more predetermined parameters It can be set to. If a plurality of predetermined parameters are used, the signal generated is used their predetermined parameters are multiplexed by a predetermined method. For example, the predetermined method, FDM (Frequency Division Multiplexing), TDM (Time Division Multiplexing), etc. CDM (Code Division Multiplexing) and / or SDM (Spatial Division Multiplexing).
[0040]
　The combination of predetermined parameters to be set in NR cell, as a parameter set can be defined in advance plural kinds.
[0041]
　Figure 5 is a diagram showing an example of a parameter set related to the transmission signal in the NR cell. In the example of FIG. 5, the parameters relating to the transmission signal included in the parameter set, subcarrier spacing, number of subcarriers per resource block in NR cell, the number of symbols per subframe, and a CP length type. CP length type is a CP length type used in NR cell. For example, CP lengths Type 1 corresponds to the normal CP in LTE, CP length Type 2 corresponds to the extended CP in LTE.
[0042]
　Parameter sets for transmitting signals in the NR cell can be defined individually in the downlink and uplink. The parameter sets for transmitting signals in the NR cell can be set independently in the downlink and uplink.
[0043]
　Figure 6 is a diagram showing an example of a downlink subframe of the NR in this embodiment. In the example of FIG. 6, a parameter set 1, signal generated using the parameter set 0 and the parameter set 2, in the cell (system bandwidth), is FDM. The view shown in FIG. 6 is referred to as downlink resource grid of NR. The base station apparatus 1, in the downlink subframe to the terminal device 2 can transmit downlink physical downlink signal physical channels and / or NR a NR. The terminal apparatus 2, in the downlink sub-frame from the base station apparatus 1 can receive the downlink physical downlink signal physical channels and / or NR a NR.
[0044]
　Figure 7 is a diagram showing an example of the uplink sub-frame of the NR in this embodiment. In the example of FIG. 7, a parameter set 1, signal generated using the parameter set 0 and the parameter set 2, in the cell (system bandwidth), is FDM. The view shown in FIG. 6 is referred to as an uplink resource grid of NR. The base station apparatus 1 in the uplink subframe to the terminal device 2 can transmit uplink physical signal uplink physical channel and / or NR a NR. The terminal apparatus 2, in the uplink sub-frame from the base station apparatus 1 can receive the uplink physical signal uplink physical channel and / or NR a NR.
[0045]
　　
　antenna port, the propagation channel for carrying a symbol is defined in order to be able to infer from the propagation channel carrying another symbol in the same antenna port. For example, different physical resources in the same antenna port, can be assumed to have been transmitted in the same transmission channel. That is, the symbols in one antenna port, it is possible to estimate the propagation channel by a reference signal at the antenna port, and demodulates. Also, there is one resource grid for each antenna port. Antenna port is defined by the reference signal. Further, each of the reference signal can define multiple antenna ports.
[0046]
　Antenna port is specified or identified by the antenna port number. For example, antenna ports 0-3 is an antenna port CRS is transmitted. That, PDSCH transmitted on antenna ports 0 to 3 can be demodulated by CRS corresponding to antenna ports 0 to 3.
[0047]
　If two antenna ports predetermined condition is satisfied, the quasi-same position: it can be expressed as a (QCL Quasi co-location). The predetermined condition, wide-area characteristic of the propagation channel for carrying symbols at a antenna port is to be inferred from the propagation channel carrying the symbols in another antenna port. Regional characteristics comprise delay spread, Doppler spread, Doppler shift, the average gain and / or average delay.
[0048]
　In this embodiment, the antenna port number may be defined differently for each RAT, it may be defined in common between RAT. For example, antenna ports 0-3 in LTE is an antenna port CRS is transmitted. In NR, antenna ports 0-3 may be an antenna port CRS of similar to LTE is transmitted. Further, the antenna port in the NR, in which the same LTE CRS are transmitted may be a different antenna port number is the antenna port 0-3. In the description of this embodiment, the predetermined antenna port numbers, can be applied to LTE and / or NR.
[0049]
　　
　In the present embodiment, the physical channels and physical signals are used.
[0050]
　Physical channel includes a downlink physical channel, uplink physical channels and the side link physical channel. Physical signals, downlink physical signals, including uplink physical signals and side link physical signals.
[0051]
　Physical channels and physical signals in the LTE is referred to as LTE physical channel and LTE physical signals. Physical channels and physical signals in the NR is also called respectively NR physical channels and NR physical signals. LTE physical channels and NR physical channel may be defined as a different physical channel respectively. LTE physical signals and NR physical signals can be defined as different physical signals. In the description of this embodiment, LTE physical channel and NR physical channels are simply referred to as physical channels, LTE physical signals and NR physical signal is simply referred to as physical signals. That is, description for the physical channel can be applied to any of the LTE physical channel and NR physical channel. Description of the physical signal can be applied to any of the LTE physical signals and NR physical signals.
[0052]
　　
　Description for the physical channel and the physical signal in LTE is applicable to NR physical channels and NR physical signals. NR physical channels and NR physical signal is referred as follows.
[0053]
　It is NR downlink physical channel, NR-PBCH, NR-PCFICH, NR-PHICH, NR-PDCCH, NR-EPDCCH, NR-MPDCCH, NR-R-PDCCH, NR-PDSCH, and including NR-PMCH.
[0054]
　NR downlink physical signals, including NR-SS, NR-DL-RS and NR-DS. NR-SS is, including NR-PSS and NR-SSS. NR-RS comprises NR-CRS, NR-PDSCH-DMRS, NR-EPDCCH-DMRS, NR-PRS, NR-CSI-RS, and NR-TRS like.
[0055]
　NR uplink physical channel includes NR-PUSCH, NR-PUCCH, and NR-PRACH and the like.
[0056]
　NR uplink physical signals include NR-UL-RS. NR-UL-RS comprises like NR-UL-DMRS and NR-SRS.
[0057]
　NR side link physical channel includes NR-PSBCH, NR-PSCCH, NR-PSDCH, and NR-PSSCH the like.
[0058]
　　
　PBCH is used to inform the MIB (Master Information Block) is a specific broadcast information in the serving cell of the base station apparatus 1. PBCH is transmitted only in subframes 0 in the radio frame. MIB can be updated at 40ms interval. PBCH is repeatedly transmitted in the 10ms period. Specifically, SFN (System Frame Number) in subframe 0 initial transmission of the MIB is carried out in a satisfying radio frame modulo is 0 at 4, at subframe 0 in all other radio frames re-transmission of the MIB (repetition) is performed. SFN is the number of the radio frames (system frame number). MIB is a system information. For example, MIB includes information indicating the SFN.
[0059]
　PHICH is uplink data from the base station apparatus 1 receives: transmitting (Uplink Shared Channel UL-SCH) for ACK (acknowledgment) or NACK HARQ-ACK indicating the (Negative acknowledgment) (HARQ indicator, HARQ feedback response information) They are used to. For example, if the terminal device 2 receives the HARQ-ACK indicating the ACK, it does not retransmit the corresponding uplink data. For example, if the terminal device 2 receives the HARQ-ACK indicating the NACK, it retransmits the uplink data terminal device 2 corresponding in a predetermined uplink subframe. There PHICH transmits the HARQ-ACK for a uplink data. The base station apparatus 1 transmits using a plurality of PHICH respective HARQ-ACK for a plurality of uplink data included in the same PUSCH.
[0060]
　PDCCH and EPDCCH is downlink control information (Downlink Control Information: DCI) used to transmit. Mapping of information bits of the downlink control information is defined as the DCI format. Downlink control information includes downlink grant (downlink grant) and uplink grant (uplink grant). Downlink grant, also referred to as a downlink assignment (downlink assignment) or downlink allocation (downlink allocation).
[0061]
　PDCCH is transmitted by a set of contiguous one or more CCE (Control Channel Element). CCE is comprised of nine REG (Resource Element Group). REG is comprised of four resource elements. If PDCCH is composed of n consecutive CCE, the PDCCH begins satisfies CCE remainder of dividing i is an index (number) of CCE in which n is 0.
[0062]
　EPDCCH is transmitted by a set of contiguous one or more of ECCE (Enhanced Control Channel Element). ECCE is composed of a plurality of EREG (Enhanced Resource Element Group).
[0063]
　Downlink grant is used for scheduling of the PDSCH in a cell. Downlink grant, the downlink grant is used for scheduling PDSCH in the same subframe as the subframe was transmitted. Uplink grant is used for the scheduling of PUSCH in a cell. Uplink grant, the uplink grant is used for the scheduling of a single PUSCH in a subframe after four more than the sub-frames transmitted.
[0064]
　The DCI, CRC (Cyclic Redundancy Check) parity bits are added. CRC parity bits are scrambled by RNTI (Radio Network Temporary Identifier). RNTI is depending on the purpose of the DCI, an identifier that can be defined or set. RNTI is an identifier which is set as the information unique predefined by the identifier, the cell specification, the identifier is set as the information unique to the terminal device 2, or is set as the information unique to the group to which belongs the terminal apparatus 2 that is an identifier. For example, the terminal device 2, in the monitoring of the PDCCH or EPDCCH, descramble a predetermined RNTI on the CRC parity bits which are added to the DCI, identify whether the CRC is correct. If the CRC is correct, it can be seen that DCI is DCI for the terminal device 2.
[0065]
　PDSCH is a downlink data: used for transmitting (Downlink Shared Channel DL-SCH) to. Also, PDSCH is also used for transmitting control information of the upper layer.
[0066]
　PMCH is multicast data (Multicast Channel: MCH) is used to transmit.
[0067]
　In PDCCH region, a plurality of PDCCH frequency, time, and / or may be spatially multiplexed. In EPDCCH region, a plurality of EPDCCH frequency, time, and / or may be spatially multiplexed. In PDSCH region, a plurality of PDSCH frequency, time, and / or may be spatially multiplexed. PDCCH, PDSCH and / or EPDCCH frequency, time, and / or may be spatially multiplexed.
[0068]
　　 PDSCH based on the transmission mode and the DCI format, it is transmitted on antenna port used for transmission of the CRS or URS. DCI format 1A is used for scheduling PDSCH to be transmitted at the antenna port used for transmission of the CRS. DCI format 2D is used for scheduling PDSCH to be transmitted at the antenna port used for transmission of the URS.
[0069]
　DMRS associated with EPDCCH is, DMRS is transmitted in sub-frame and the bandwidth used for transmitting the associated EPDCCH. DMRS is used to demodulate the EPDCCH the DMRS is associated. EPDCCH is transmitted on antenna port used for transmission of the DMRS. DMRS associated with EPDCCH is transmitted on one or more antenna ports 107-114.
[0070]
　　
　PUCCH is an uplink control information: a physical channel used for transmitting (Uplink Control Information UCI). Uplink control information, downlink channel state information (Channel State Information: CSI), scheduling request indicating a request of the PUSCH resource (Scheduling Request: SR), downlink data (Transport block: TB, Downlink- Shared Channel: DL including HARQ-ACK for -SCH). HARQ-ACK is, ACK / NACK, HARQ feedback, or, also called response information. Further, HARQ-ACK for the downlink data indicate ACK, NACK or DTX,.
[0071]
　PUSCH is uplink data: a physical channel used to transmit (Uplink-Shared Channel UL-SCH). Further, PUSCH may be used to transmit the HARQ-ACK and / or channel state information with the uplink data. Further, PUSCH, the channel state information only, or may be used to transmit only the HARQ-ACK and channel state information.
[0072]
　PRACH is a physical channel used for transmitting the random access preamble. PRACH may be the terminal device 2 is used to synchronize the time domain base station apparatus 1. Further, PRACH, the initial connection establishment (initial connection establishment) procedure (process), a handover procedure, connections restructuring (connection re-establishment) procedures, synchronization (timing adjustment) for the uplink transmission, and / or a request for PUSCH resources It is also used to indicate a.
[0073]
　In PUCCH region, a plurality of PUCCH is frequency, time, and spatial and / or code multiplexing. In PUSCH region, a plurality of PUSCH frequency, time, or may be spatially and / or code multiplexing. PUCCH and PUSCH are frequency, time, or may be spatially and / or code multiplexing. PRACH may be disposed over a single sub-frame or sub-frame. A plurality of PRACH may be code-multiplexed.
[0074]
　　
　Fig. 8 is a schematic block diagram showing a configuration of a base station apparatus 1 of the present embodiment. As shown, the base station apparatus 1 is configured to include higher layer processing unit 101, the control unit 103, receiving unit 105, transmitting unit 107, and transmitting and receiving antenna 109, a. The receiving unit 105, decoding unit 1051, a demodulation unit 1053, the demultiplexing unit 1055, configured to include a radio reception unit 1057, and the channel measurement unit 1059. Also configured transmission section 107, coding section 1071, modulation section 1073, multiplexing section 1075, the radio transmission unit 1077, and include a downlink reference signal generating unit 1079.
[0075]
　As already described, the base station apparatus 1 can support one or more RAT. Some or all of the components included in the base station apparatus 1 shown in FIG. 8 can be configured individually in accordance with the RAT. For example, the receiving unit 105 and the transmitting unit 107 is configured separately for the LTE and NR. Further, in the NR cell, some or all of the components included in the base station apparatus 1 shown in FIG. 8 can be configured individually in accordance with the parameter set for the transmission signal. For example, in certain NR cell, the radio reception unit 1057 and radio transmission unit 1077 may be configured individually in accordance with the parameter set for the transmission signal.
[0076]
　Higher layer processing unit 101, the medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, a radio resource control (Radio Resource Control: performing processing RRC) layer. Also, higher layer processing unit 101 generates control information for controlling the receiving unit 105 and the transmitting unit 107, and outputs to the control unit 103.
[0077]
　Control unit 103, based on control information from the higher layer processing unit 101 controls the receiving unit 105 and the transmitting unit 107. Control unit 103 generates control information to the higher layer processing unit 101, and outputs to the upper layer processing unit 101. Control unit 103 inputs the channel estimation results from the decoded signal and the channel measurement unit 1059 from the decoding unit 1051. Control unit 103 outputs a signal for encoding to the encoding section 1071. The control unit 103 is used to control all or part of the base station apparatus 1.
[0078]
　Higher layer processing unit 101, RAT control, radio resource control, subframe configuration, scheduling control, and / or performs processing and management relating to CSI reporting control. Processing and management in the higher layer processing unit 101 is performed in the terminal apparatus common connecting each terminal device, or the base station apparatus. Processing and management in the higher layer processing unit 101 may be performed only by the higher layer processing unit 101 may acquire from the upper node or another base station apparatus. The processing and management in the higher layer processing unit 101 may be performed individually in accordance with the RAT. For example, upper layer processing section 101 performs a processing and management in LTE, the processing and management in the NR separately.
[0079]
　In RAT control in higher layer processing unit 101, management related RAT is performed. For example, in RAT control, management related to the management and / or NR about LTE is performed. Management of the NR, including setting and processing parameters set for transmitting signals in the NR cell.
[0080]
　In the radio resource control in the upper layer processing unit 101, downlink data (transport block), system information, RRC message (RRC parameters), and / or, MAC control elements: generation and / or management of (CE Control Element) It takes place.
[0081]
　The subframe configuration in the upper layer processing unit 101, a sub-frame set, a subframe pattern setting, uplink - downlink setting, uplink reference UL-DL configuration and / or management a row for downlink reference UL-DL Configuration divide. Note that subframe configuration in the upper layer processing unit 101, also referred to as a base station sub-frame configuration. The sub-frame set in the higher layer processing unit 101 may be determined based on the traffic volume of traffic and the downlink uplink. The sub-frame set in the higher layer processing unit 101 may be determined based on the scheduling result of the scheduling control in higher layer processing unit 101.
[0082]
　Scheduling control in higher layer processing unit 101, based on such a quality estimate and the channel of the propagation path input from the channel state information and the channel measurement unit 1059 has received, the frequency and the sub-frame allocate a physical channel, a physical channel such as code rate and modulation scheme and transmission power are determined. For example, the control unit 103, based on the scheduling result of the scheduling control in higher layer processing unit 101 generates control information (DCI format).
[0083]
　In CSI reporting control in the upper layer processing unit 101, CSI reporting of the terminal device 2 is controlled. For example, settings for CSI reference resource for assumed for calculating the CSI in the terminal device 2 is controlled.
[0084]
　Receiving unit 105 under the control of the control unit 103 receives a signal transmitted from the terminal device 2 through the transmitting and receiving antenna 109, further separation, demodulation, performs reception processing such as decoding, the information reception process and outputs to the control unit 103. The reception process in the reception unit 105, predefined set or base station apparatus 1, is performed based on the set notified to the terminal device 2.
[0085]
　Radio reception section 1057, with respect to the uplink signal received through the transmitting and receiving antenna 109, converted to an intermediate frequency (down-conversion), removal of unwanted frequency components, so that the signal level is appropriately maintained control of amplification level, quadrature demodulation based on in-phase and quadrature components of the received signal, converted to a digital signal from an analog signal, the guard interval: removal of (guard interval GI), and / or a fast Fourier transform (fast Fourier Transform: for extracting a frequency domain signal by FFT).
[0086]
　Demultiplexing unit 1055, from the signal inputted from radio receiving section 1057, separates the uplink channel and / or uplink reference signals such as PUCCH or PUSCH. Demultiplexing unit 1055 outputs the uplink reference signal to the channel measurement unit 1059. Demultiplexing unit 1055, the estimated value of the propagation path input from the channel measurement unit 1059 performs channel compensation of for the uplink channel.
[0087]
　Demodulation unit 1053, the modulated symbols of the uplink channel, BPSK (Binary Phase Shift Keying), QPSK (Quadrature Phase shift Keying), 16QAM (Quadrature Amplitude Modulation), 64QAM, received signal using a modulation scheme such as 256QAM It performs demodulation of. Demodulation unit 1053 performs separation and demodulation of the uplink channel which is MIMO multiplexed.
[0088]
　Decoding unit 1051, the coded bits of the demodulated uplink channel, performs a decoding process. The decoded uplink data and / or uplink control information has is output to the control unit 103. Decoding unit 1051, for the PUSCH, performs decoding processing for each transport block.
[0089]
　Channel measurement unit 1059, such as by measuring the estimated value and / or the channel quality of the channel from the uplink reference signal input from the demultiplexing unit 1055, and outputs to the demultiplexing unit 1055 and / or the control unit 103. For example, channel measurement unit 1059 measures the estimated value of the propagation path to perform channel compensation for the PUCCH or PUSCH by using the UL-DMRS, measures the quality of the channel in the uplink using the SRS.
[0090]
　Transmitting unit 107 under the control of the control unit 103, with respect to downlink control information and downlink data input from the higher layer processing unit 101, encoding, transmission processing such as modulation and multiplexing. For example, the transmission unit 107, PHICH, PDCCH, EPDCCH, PDSCH, and generates and multiplexes the downlink reference signal to generate a transmission signal. The transmission processing in the transmission section 107, predefined set, setting the base station apparatus 1 is notified to the terminal device 2, or on the basis of the set to be notified through PDCCH or EPDCCH transmitted in the same subframe It takes place.
[0091]
　Encoding unit 1071, is input from the control unit 103 HARQ indicator (HARQ-ACK), the downlink control information, and the downlink data, block coding, convolutional coding, predetermined coding such as turbo coding encoding is performed by using the method. Modulation unit 1073 modulates the coded bits input from the encoding unit 1071 BPSK, QPSK, 16QAM, 64QAM, a predetermined modulation scheme such as 256QAM. Downlink reference signal generating unit 1079, a physical cell identifier (PCI: Physical cell identification), and the like based on RRC parameters set in the terminal device 2, generates a downlink reference signal. Multiplexing unit 1075, a modulation symbol and downlink reference signals of each channel are multiplexed and arranged in a predetermined resource elements.
[0092]
　Radio transmission section 1077, to the signal from the multiplexing unit 1075, an inverse fast Fourier transform (Inverse Fast Fourier Transform: IFFT) conversion to a signal in the time domain by the addition of a guard interval, generation of the digital baseband signal, conversion to an analog signal, quadrature modulation, conversion from intermediate frequency signal to a high frequency signal (up-conversion: Stay up-the convert), removal of unnecessary frequency components, performs processing such as power amplification, to generate a transmission signal . Transmission signal radio transmitting section 1077 is output is transmitted from the transmitting and receiving antenna 109.
[0093]
　　
　FIG. 9 is a schematic block diagram showing the configuration of the terminal device 2 of this embodiment. As illustrated, the terminal device 2 is configured higher layer processing unit 201, the control unit 203, receiving unit 205, including a transmission unit 207 and the transmitting and receiving antenna 209,. The receiving unit 205, decoding unit 2051, a demodulation unit 2053, the demultiplexing unit 2055, configured to include a radio reception unit 2057, and the channel measurement unit 2059. Also configured transmission section 207, coding section 2071, modulation section 2073, multiplexing section 2075, the radio transmission unit 2077, and includes an uplink reference signal generation unit 2079.
[0094]
　As already described, the terminal device 2 can support more than one RAT. Some or all of the components included in the terminal device 2 shown in FIG. 9 may be configured separately depending on the RAT. For example, the receiving unit 205 and the transmitting unit 207 is configured separately for the LTE and NR. Further, in the NR cell, some or all of the components included in the terminal device 2 shown in FIG. 9 may be configured separately according to the parameter set for the transmission signal. For example, in certain NR cell, the radio reception unit 2057 and radio transmission unit 2077 may be configured individually in accordance with the parameter set for the transmission signal.
[0095]
　Higher layer processing unit 201, the uplink data (transport block), and outputs to the control unit 203. Higher layer processing unit 201, the medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, a radio resource control (Radio Resource Control: RRC) performs processing of the layer. Also, higher layer processing unit 201 generates control information for controlling the receiving unit 205, and the transmitting unit 207, and outputs to the control unit 203.
[0096]
　Control unit 203, based on control information from the higher layer processing unit 201, controls the reception unit 205 and transmission unit 207. Control unit 203 generates control information to the higher layer processing unit 201, and outputs to the upper layer processing unit 201. Control unit 203 inputs the channel estimation results from the decoded signal and the channel measurement unit 2059 from the decoding unit 2051. Control unit 203 outputs a signal for encoding to the encoding section 2071. The control unit 203 may be used to control all or part of the terminal device 2.
[0097]
　Higher layer processing unit 201, RAT control, radio resource control, subframe configuration, scheduling control, and / or the processing and management of CSI reporting control performed. Processing and management in the higher layer processing unit 201 sets defined in advance, and / or is made based on the setting based on the control information set or notified from the base station apparatus 1. For example, the control information from the base station apparatus 1 includes RRC parameters, the MAC control element or DCI. The processing and management in the higher layer processing unit 201 may be performed individually in accordance with the RAT. For example, higher layer processing unit 201 performs the processing and management in LTE, the processing and management in the NR separately.
[0098]
　In RAT control in higher layer processing unit 201, management related RAT is performed. For example, in RAT control, management related to the management and / or NR about LTE is performed. Management of the NR, including setting and processing parameters set for transmitting signals in the NR cell.
[0099]
　In the radio resource control in the upper layer processing unit 201, the management configuration information in the device itself is performed. In the radio resource control in the upper layer processing unit 201, the uplink data (transport block), system information, RRC message (RRC parameters), and / or, MAC control elements: generation and / or management of (CE Control Element) It takes place.
[0100]
　The subframe configuration in the upper layer processing unit 201, a sub-frame set in the different base station apparatus and the base station apparatus 1 and / or the base station apparatus 1 is managed. Subframe configuration, the setting of the uplink or downlink for the sub-frame, subframe pattern setting, uplink - including downlink setting, uplink reference UL-DL configuration, and / or, a downlink reference UL-DL configuration. Note that subframe configuration in the upper layer processing unit 201, also referred to as terminal subframe configuration.
[0101]
　Scheduling control in higher layer processing unit 201, based on the DCI (scheduling information) from the base station apparatus 1, the control information for performing control related to scheduling for the receiving unit 205 and the transmission unit 207 is generated.
[0102]
　In CSI reporting control in the upper layer processing unit 201, control is performed for reporting CSI to the base station apparatus 1. For example, the CSI report control, settings related to CSI reference resource for assumed to calculate the CSI with channel measurement unit 2059 is controlled. The CSI report control, based on the DCI and / or RRC parameters, control resources (timing) used to report CSI.
[0103]
　Information receiving unit 205, which under control of the control unit 203 receives a signal transmitted from the base station apparatus 1 via the transmitting and receiving antenna 209, further separation, demodulation, performs reception processing such as decoding, the received processed and outputs to the control unit 203. The reception processing in the receiver unit 205 is performed based on the notification or setting from predefined set or base station apparatus 1,.
[0104]
　Radio reception section 2057, with respect to the uplink signal received via the transmitting and receiving antenna 209, converted to an intermediate frequency (down-conversion), removal of unwanted frequency components, so that the signal level is appropriately maintained control of amplification level, quadrature demodulation based on in-phase and quadrature components of the received signal, converted to a digital signal from an analog signal, the guard interval: removal of (guard interval GI), and / or a fast Fourier transform (fast Fourier Transform: the extraction of the signal in the frequency domain by FFT).
[0105]
　Demultiplexing unit 2055, from the signal inputted from radio receiving section 2057, separates PHICH, PDCCH, downlink channels such as EPDCCH or PDSCH, a downlink synchronization signal and / or the downlink reference signal. Demultiplexing unit 2055 outputs the downlink reference signal to the channel measurement unit 2059. Demultiplexing unit 2055, the estimated value of the propagation path input from the channel measurement unit 2059 performs channel compensation of for the downlink channel.
[0106]
　Demodulator 2053 performs the modulated symbols of the downlink channel, BPSK, QPSK, 16QAM, 64QAM, the demodulation of the received signal using a modulation scheme such as 256QAM. Demodulator 2053 performs separation and demodulation of downlink channels that are MIMO multiplexed.
[0107]
　Decoding unit 2051, the coded bits of the downlink channel which is demodulated, performs a decoding process. Downlink data and / or downlink control information decoded is output to the control unit 203. Decoding unit 2051, for the PDSCH, performs decoding processing for each transport block.
[0108]
　Channel measurement unit 2059, such as by measuring the estimated value and / or the channel quality of the channel from the downlink reference signal input from the demultiplexing unit 2055, and outputs to the demultiplexing unit 2055 and / or the control unit 203. Downlink reference signal channel measurement unit 2059 is used for measurement may be determined based on the transmission mode and / or other RRC parameters are set by at least RRC parameters. For example, DL-DMRS measures the estimated value of the propagation path to perform channel compensation for the PDSCH or EPDCCH. CRS is the estimated value of the propagation path to perform channel compensation for the PDCCH or PDSCH, and / or measures the channel in the downlink for reporting CSI. CSI-RS measures the channel in the downlink for reporting CSI. Channel measurement unit 2059, CRS, based on the CSI-RS or detection signals, calculates the RSRP (Reference Signal Received Power) and / or RSRQ (Reference Signal Received Quality), and outputs to the upper layer processing unit 201.
[0109]
　The transmission unit 207 is performed according to control of the control unit 203, with respect to uplink control information and uplink data input from the higher layer processing unit 201, encoding, transmission processing such as modulation and multiplexing. For example, the transmission unit 207 generates and multiplexes the uplink channel and / or uplink reference signals such as PUSCH or PUCCH, to generate a transmission signal. The transmission processing in the transmission section 207, pre-defined set, or is made based on the set or notified from the base station apparatus 1.
[0110]
　Encoding unit 2071, is input from the control unit 203 HARQ indicator (HARQ-ACK), the uplink control information, and the uplink data, block coding, convolutional coding, predetermined coding such as turbo coding encoding is performed by using the method. Modulation unit 2073 modulates the coded bits input from the encoding unit 2071 BPSK, QPSK, 16QAM, 64QAM, a predetermined modulation scheme such as 256QAM. Uplink reference signal generating unit 2079, based on such a RRC parameters set in the terminal device 2, generates an uplink reference signal. Multiplexing unit 2075, a modulation symbol and uplink reference signals of each channel are multiplexed and arranged in a predetermined resource elements.
[0111]
　Radio transmission section 2077, to the signal from the multiplexing unit 2075, an inverse fast Fourier transform (Inverse Fast Fourier Transform: IFFT) conversion to a signal in the time domain by the addition of a guard interval, generation of the digital baseband signal, conversion to an analog signal, quadrature modulation, conversion from intermediate frequency signal to a high frequency signal (up-conversion: Stay up-the convert), removal of unnecessary frequency components, performs processing such as power amplification, to generate a transmission signal . Transmission signal radio transmitting section 2077 is output is transmitted from the transmitting and receiving antenna 209.
[0112]
　　
　base station apparatus 1 and terminal apparatus 2, the signaling of the respective control information (notification, notification, set) for, can be used a variety of methods. Signaling control information may be performed in different layers (layers). Signaling control information includes physical layer physical layer signaling is a signaling through (layer), RRC signaling is a signaling through the RRC layer, and the like MAC signaling is a signaling through the MAC layer. RRC signaling is dedicated RRC signaling for notifying the specific control information to the terminal device 2 (Dedicated RRC signaling), or is the common RRC signaling for notifying the specific control information to the base station apparatus 1 (Common RRC signaling) . Such as RRC signaling or MAC signaling, signaling an upper layer is used as viewed from the physical layer it is also called high layer signaling.
[0113]
　RRC signaling is achieved by signaling the RRC parameters. MAC signaling is achieved by signaling the MAC Control element. Physical layer signaling is downlink control information (DCI: Downlink Control Information) or uplink link control information: the (UCI Uplink Control Information) is achieved by signaling. RRC parameters and MAC Control element is transmitted by using the PDSCH or PUSCH. DCI is transmitted using the PDCCH or EPDCCH. UCI is transmitted using the PUCCH or PUSCH. RRC signaling and MAC signaling is used to signal the quasi-static (semi-static) control information, also referred to as quasi-static signaling. Physical layer signaling, dynamic (dynamic) control information used for signaling, also referred to as dynamic signaling. DCI is used for such scheduling scheduling or PUSCH for PDSCH. The UCI, CSI reporting, HARQ-ACK reporting and / or scheduling request: used, such as for (SR Scheduling Request).
[0114]
　　
　DCI is notified using the DCI format with fields defined in advance. Fields defined in DCI format, predetermined information bits are mapped. The DCI downlink scheduling information, uplink scheduling information, side links scheduling information, requests aperiodic CSI reporting, or notifies the uplink transmission power command.
[0115]
　DCI format which the terminal device 2 monitors is determined by the transmission mode set for each serving cell. That is, a part of the DCI format which the terminal device 2 monitors can vary from transmission mode. For example, the terminal device 2 downlink transmission mode 1 is set, monitor the DCI format 1A and DCI format 1. For example, the terminal apparatus 2 down link transmission modes 4 is set monitors the DCI format 1A and the DCI format 2. For example, the terminal device 2 uplink transmission mode 1 is set, monitor the DCI format 0. For example, the terminal device 2 uplink transmission mode 2 is set, monitor the DCI format 0 and DCI format 4.
[0116]
　Regulatory region PDCCH is arranged to notify the DCI for the terminal device 2 is not notified, the terminal device 2 detects the DCI for the terminal device 2 by blind decoding (blind detection). Specifically, the terminal device 2, the serving cell, to monitor a set of PDCCH candidates. Monitoring, for each of the PDCCH in the set, means to attempt to decode the DCI formats all monitors. For example, the terminal device 2, all of the aggregation level that may be transmitted to the terminal device 2, PDCCH candidate and attempts to decode the DCI format. Terminal 2 recognizes DCI decoding (detection) was successfully (PDCCH) as DCI (PDCCH) to the terminal device 2.
[0117]
　Relative DCI, cyclic redundancy check (CRC: Cyclic Redundancy Check) is added. CRC is used for error detection and DCI blind detection of DCI. CRC (CRC parity bits) is scrambled by the RNTI (Radio Network Temporary Identifier). Terminal device 2 on the basis of the RNTI, to detect whether DCI for the terminal device 2. Specifically, the terminal device 2, the bit corresponding to the CRC, performs descrambling with a predetermined RNTI, to extract the CRC, to detect whether the corresponding DCI is correct.
[0118]
　RNTI is defined or set in accordance with the purpose and application of DCI. RNTI is, C-RNTI (Cell-RNTI), SPS C-RNTI (Semi Persistent Scheduling C-RNTI), SI-RNTI (System Information-RNTI), P-RNTI (Paging-RNTI), RA-RNTI (Random Access -RNTI), TPC-PUCCH-RNTI (Transmit Power Control-PUCCH-RNTI), TPC-PUSCH-RNTI (Transmit Power Control-PUSCH-RNTI), temporary C-RNTI, M-RNTI (MBMS (Multimedia Broadcast Multicast Services ) -RNTI), and, including eIMTA-RNTI, the CC-RNTI.
[0119]
　Scheduling information (downlink scheduling information, uplink scheduling information, side links scheduling information), as the scheduling of the frequency domain, including information for performing scheduling resource block or resource block group to the unit. Resource block group is a set of contiguous resource blocks indicates the resources allocated for the terminal apparatus to be scheduled. The size of the resource block group is dependent on the system bandwidth.
[0120]
　　 DCI is transmitted using a control channel such as PDCCH or EPDCCH. Terminal device 2 monitors the one or more sets of PDCCH candidates Activating been serving cell and / or EPDCCH set of candidate set by RRC signaling. Here, the monitoring is to attempt to decode PDCCH and / or EPDCCH in the set corresponding to the DCI format to be all monitors.
[0121]
　Set of the set or the EPDCCH candidate of PDCCH candidates are also referred to as a search space. The search space, shared search space (CSS) and the terminal-specific search space (USS) is defined. CSS may be defined only for the search space on the PDCCH.
[0122]
　CSS (Common Search Space) is a search space that is set on the basis of specific parameters and / or predefined parameters to the base station apparatus 1. For example, CSS is a search space used in common by a plurality of terminal devices. Therefore, the base station apparatus 1 by mapping the common control channel by a plurality of terminal devices to CSS, resources for transmitting is reduced control channel.
[0123]
　USS (UE-specific Search Space) is a search space that is set using the parameters specific to at least the terminal device 2. Therefore, USS is a unique search spaces on the terminal device 2, the base station apparatus 1 can transmit individual-specific control channel to the terminal device 2 by USS. Therefore, the base station apparatus 1 can efficiently mapping specific control channels to a plurality of terminal devices.
[0124]
　USS may be set to be used in common to a plurality of terminal devices. For common USS is set to a plurality of terminal devices, parameters specific to the terminal apparatus 2 is set to be the same value among the plurality of terminal devices. For example, unit set to the same parameters between the plurality of terminal devices, cell, and the like transmission point or a group of a predetermined terminal device.
[0125]
　　
　terminal device 2 includes a plurality of cells are set, it is possible to perform multi-carrier transmission. Communication terminal device 2 uses a plurality of cells is referred to as CA (carrier aggregation) or DC (dual connectivity). The contents described in this embodiment can be applied to each or some of the plurality of cells to be set to the terminal device 2. The cells that are set in the terminal apparatus 2, also referred to as the serving cell.
[0126]
　CA Oite, a plurality of serving cells to be set, one primary cell and a:: (Secondary Cell SCell) (PCell Primary Cell) and one or more secondary cells. The terminal device 2 that supports CA, one of the primary cell and one or more secondary cells may be set.
[0127]
　Primary cell, the initial connection establishment (initial connection establishment) procedure is performed serving cell connection rebuild (connection re-establishment) serving to start the process, or a cell that has been indicated as the primary cell in the handover procedure. Primary cell, the operation on the primary frequency. Secondary cell may be set after construction or reconstruction of the connection. Secondary cell, the operation in the secondary frequency. It should be noted that the connection is also referred to as RRC connection.
[0128]
　DC is an operation of the radio resource specified terminal device 2 consumes provided from at least two different network point. Network point, the master base station (MeNB: Master eNB) and secondary base station apparatus: a (SeNB Secondary eNB). Dual connectivity, the terminal device 2 is to perform an RRC connection with at least two network points. In dual connectivity, two networks points may be connected by a non-ideal backhaul (non-ideal backhaul).
[0129]
　In DC, is connected to at least S1-MME (Mobility Management Entity), serving base station 1 of the core network mobility anchor is referred to as the master base station device. Further, the base station apparatus 1 is not a master base station device to provide additional radio resources to the terminal device 2 is referred to as the secondary base station device. Groups of the serving cell that is associated with the master base station device, a master cell group (MCG: Master Cell Group) also is referred. Groups of the serving cell which are associated with secondary base station apparatus, the secondary cell group (SCG: Secondary Cell Group) also is referred. The group serving cell is referred to as cell group (CG).
[0130]
　In DC, the primary cell belongs to the MCG. Also, in SCG, a secondary cell corresponding to the primary cell primary secondary cell (PSCell: Primary Secondary Cell) and referred. The PSCell (base station apparatus constituting the PSCell), the same functions as PCell (base station apparatus constituting the PCell) (capacity, performance) may be supported. In addition, the PSCell, only some of the functions of the PCell may be supported. For example, the PSCell, using different search space and CSS or USS, function for PDCCH transmission may be supported. In addition, PSCell may always be in a state of activation. Further, PSCell is a cell that can receive PUCCH.
[0131]
　In DC, radio bearer (data radio bearer (DRB: Date Radio Bearer), and / or signaling radio bearer (SRB: Signaling Radio Bearer)) may be assigned individually by the MeNB and SeNB. Against MCG (PCell) and SCG (PSCell), may each be set individually duplex mode. MCG (PCell) and SCG (PSCell) may not be synchronized with each other. That is, the frame boundaries and frame boundaries of the SCG of MCG may not coincide. Against MCG (PCell) and SCG (PSCell), parameters for the plurality of timing adjustment (TAG: Timing Advance Group) may be set independently. In dual connectivity, the terminal device 2, the UCI for a cell in an MCG transmitted only MeNB (PCell), transmitting the UCI for a cell in SCG only SeNB (pSCell). In the transmission of each of UCI, transmission method using PUCCH and / or PUSCH is applied in each cell group.
[0132]
　PUCCH and PBCH (MIB) is transmitted only in PCell or PSCell. Further, PRACH, as long as the plurality of TAG (Timing Advance Group) is not set between the cells in the CG, it is transmitted only in PCell or PSCell.
[0133]
　In PCell or PSCell, it may be performed SPS (Semi-Persistent Scheduling) and DRX (Discontinuous Transmission). In the secondary cell, it may be subjected to the same DRX as the PCell or PSCell of the same cell group.
[0134]
　In the secondary cell, the information / parameters related to setting of the MAC is covalently basically, the same cell group PCell or PSCell. Some of the parameters may be set for each secondary cell. Some of the timer or counter, may be applied to only PCell or PSCell.
[0135]
　In CA, the cell cell and FDD scheme TDD scheme is applied is applied may be aggregated. If the cell TDD cell and FDD is that is applied is applied are aggregated, it is possible to apply the present disclosure with respect to one of the cells where the cell and FDD TDD is applied is applied.
[0136]
　Terminal device 2, the information (supportedBandCombination) showing a band combinations CA and / or DC is supported by the terminal device 2, and transmits to the base station apparatus 1. The terminal apparatus 2, for each band combination, information indicating whether it supports the simultaneous transmission and reception of the plurality of serving cells in the different bands, and transmits to the base station apparatus 1.
[0137]
　　
　The base station apparatus 1, as a method for resource allocation of PDSCH and / or PUSCH to the terminal device 2, can be used several ways. The method of resource allocation include dynamic scheduling, semi-persistent scheduling, multi-subframe scheduling, and cross subframe scheduling.
[0138]
　In dynamic scheduling, one DCI performs resource allocation in one subframe. Specifically, PDCCH or EPDCCH in a certain sub-frame, performs scheduling for PDSCH in that subframe. PDCCH or EPDCCH in a certain sub-frame, performs scheduling for PUSCH in a given subframe after that sub-frame.
[0139]
　In the multi-subframe scheduling, one DCI performs resource allocation in one or more sub-frames. Specifically, PDCCH or EPDCCH in a certain sub-frame, performs scheduling for PDSCH in one or more sub-frames after the predetermined number than the sub-frame. PDCCH or EPDCCH in a certain sub-frame, performs scheduling for PUSCH in one or more sub-frames after the predetermined number than the sub-frame. The predetermined number may be an integer greater than or equal to zero. The predetermined number may be predefined, may be determined on the basis of the physical layer signaling and / or RRC signaling. In the multi-subframe scheduling may be contiguous subframes Scheduling, subframe having a predetermined period may be scheduled. The number of subframes to be scheduled may be predefined, may be determined on the basis of the physical layer signaling and / or RRC signaling.
[0140]
　In cross subframe scheduling, one DCI performs resource allocation in one subframe. Specifically, PDCCH or EPDCCH in a certain sub-frame, performs scheduling for PDSCH in one sub-frame after the predetermined number than the sub-frame. PDCCH or EPDCCH in a certain sub-frame, performs scheduling for PUSCH in one subframe after the predetermined number than the sub-frame. The predetermined number may be an integer greater than or equal to zero. The predetermined number may be predefined, may be determined on the basis of the physical layer signaling and / or RRC signaling. In cross subframe scheduling may be contiguous subframes Scheduling, subframe having a predetermined period may be scheduled.
[0141]
　In semi-persistent scheduling (SPS), one DCI performs resource allocation in one or more sub-frames. The terminal apparatus 2, information about the SPS is configured by RRC signaling, when detecting a PDCCH or EPDCCH to enable SPS, to enable processing regarding SPS, given PDSCH and / or on the basis of the settings relating to SPS PUSCH to receive. Terminal device 2, if the SPS finds the PDCCH or EPDCCH to release the SPS when it is effective, the SPS release (disable) to stop the reception of the predetermined PDSCH and / or PUSCH. SPS release may be performed on the basis of when a predetermined condition is satisfied. For example, when receiving the data of a predetermined number of empty transmission, SPS is released. Empty transmission of data to release the SPS corresponds to MAC PDU including zero MAC SDU (Service Data Unit) (Protocol Data Unit).
[0142]
　Information about the SPS by RRC signaling, SPS C-RNTI is an RNTI of SPS, information about the period (interval) to be scheduled for PDSCH, information on the period (interval) to be scheduled for PUSCH, on setting for releasing the SPS information, and / or a number of HARQ processes in SPS. SPS is supported only on the primary cell and / or primary secondary cell.
[0143]
　　
　In the present embodiment, HARQ has various features. HARQ is to transmit and retransmit the transport block. In HARQ, a predetermined number of processes (HARQ process) is used (set), each process operates independently in stop-and-wait method.
[0144]
　In downlink, HARQ is asynchronous, operates adaptively. That is, in the downlink, retransmissions are always scheduled via PDCCH. Uplink HARQ-ACK corresponding to the transmission downlink (response information) is transmitted on PUCCH or PUSCH. In the downlink, PDCCH is, HARQ process number indicating the HARQ process, and notifies the information indicating whether retransmission thereof or transmission initial transmission.
[0145]
　In uplink, HARQ operates synchronously or asynchronously. Downlink HARQ-ACK corresponding to uplink transmission (response information) is transmitted in PHICH. In uplink HARQ, operation of the terminal device is determined based on the PDCCH received by the HARQ feedback and / or the terminal device is received by the terminal device. For example, PDCCH is not received, if HARQ feedback is ACK, the terminal apparatus does not perform transmission (retransmission), holds the data in the HARQ buffer. In that case, it may PDCCH is sent to resume retransmission. Further, for example, PDCCH is not received, if HARQ feedback is NACK, the terminal device performs a non-adaptive retransmission in a given uplink subframe. For example, when the PDCCH is received, regardless of the content of the HARQ feedback, the terminal device based on the content to be notified by the PDCCH, performs transmission or retransmission.
[0146]
　Incidentally, in the uplink, when a predetermined condition is satisfied (setting), HARQ may be operated only asynchronously. In other words, the downlink HARQ-ACK is not sent may be scheduled through always PDCCH retransmission in the uplink.
[0147]
　In HARQ-ACK report, HARQ-ACK indicates the ACK, NACK or DTX,. If HARQ-ACK is ACK, the transport block corresponding to the HARQ-ACK (codeword, channels) indicates that the correctly received (decoded). If HARQ-ACK is NACK, indicating that the HARQ-ACK in the corresponding transport block (codeword, channels) that could not be correctly received (decoded). If HARQ-ACK is DTX, indicating that the transport block corresponding to the HARQ-ACK (codewords, channel) does not exist (not transmitted).
[0148]
　In each of the downlink and uplink, a predetermined number of HARQ processes is set (defined). For example, in FDD, up to eight HARQ process is used for each serving cell. Further, for example, in TDD, the maximum number of HARQ processes is determined by the uplink / downlink configuration. The maximum number of HARQ processes may be determined based on the RTT (Round Trip Time). For example, if the RTT is 8 TTIs, the maximum number of HARQ processes can be 8.
[0149]
　In the present embodiment, HARQ information consists of at least NDI (New Data Indicator) and TBS (transport block size). NDI is information indicating whether retransmission transport block is initially transmitted corresponding to the HARQ information. TBS is the size of the transport block. Transport block is a block of data in the transport channels (Transport Layer) can be a unit of HARQ. In DL-SCH transmission, HARQ information includes a further HARQ process ID (HARQ process number). In UL-SCH transmission, HARQ information further comprises an RV (Redundancy Version) is information for specifying the information bits and parity bits after encoding for the transport block. For spatial multiplexing in DL-SCH, the HARQ information includes a set of NDI and TBS for each transport block.
[0150]
　　
　FIG. 10 is a diagram showing an example of a downlink resource elements mapping NR in this embodiment. 10, when the parameter set 0 is used, shows a set of resource elements in a given resource. Given resource shown in FIG. 10 is a resource of the same time length and bandwidth as a single resource block pair in LTE.
[0151]
　In NR, given resource is referred to as NR-RB (NR resource blocks). Given resource, NR-PDSCH or NR-PDCCH allocation unit, the unit to define mappings for the resource elements of a given channel or a predetermined signal, or the like can be used in the unit to which a parameter set is set .
[0152]
　In the example of FIG. 10, the predetermined resource, 14 OFDM symbols represented by OFDM symbol numbers 0 to 13 in the time direction, and, consists of 12 subcarriers indicated by subcarrier numbers 0 to 11 in the frequency direction It is. If the system bandwidth is comprised of a plurality of predetermined resources, the sub-carrier number is assigned across the system bandwidth.
[0153]
　Resource elements indicated by C1 ~ C4 are indicating channel state information reference signal antenna ports 15 ~ 22 (CSI-RS). Resource elements indicated by D1 ~ D2 shows the DL-DMRS CDM groups 1 ~ CDM group 2, respectively.
[0154]
　Figure 11 is a diagram showing an example of a downlink resource elements mapping NR in this embodiment. 11, when the parameter set 1 is used, shows a set of resource elements in a given resource. Given resource shown in FIG. 11 is a resource of the same time length and bandwidth as a single resource block pair in LTE.
[0155]
　In the example of FIG. 11, the predetermined resource, seven OFDM symbols represented by the OFDM symbol numbers 0-6 in the time direction, and, consists of 24 subcarriers indicated by subcarrier numbers 0-23 in the frequency direction It is. If the system bandwidth is comprised of a plurality of predetermined resources, the sub-carrier number is assigned across the system bandwidth.
[0156]
　Resource elements indicated by C1 ~ C4 are indicating channel state information reference signal antenna ports 15 ~ 22 (CSI-RS). Resource elements indicated by D1 ~ D2 shows the DL-DMRS CDM groups 1 ~ CDM group 2, respectively.
[0157]
　Figure 12 is a diagram showing an example of a downlink resource elements mapping NR in this embodiment. 12, when the parameter set 1 is used, shows a set of resource elements in a given resource. Given resource shown in FIG. 12 is a resource of the same time length and bandwidth as a single resource block pair in LTE.
[0158]
　In the example of FIG. 12, the predetermined resource, 28 OFDM symbols as shown in the time direction in an OFDM symbol number 0 to 27, and, composed of six subcarriers indicated by subcarrier numbers 0-6 in the frequency direction It is. If the system bandwidth is comprised of a plurality of predetermined resources, the sub-carrier number is assigned across the system bandwidth.
[0159]
　Resource elements indicated by C1 ~ C4 are indicating channel state information reference signal antenna ports 15 ~ 22 (CSI-RS). Resource elements indicated by D1 ~ D2 shows the DL-DMRS CDM groups 1 ~ CDM group 2, respectively.
[0160]
　　
　In NR, a physical channel and / or physical signal may be transmitted by the self-contained transmission (self-contained transmission). Figure 13 shows an example of a frame structure of a self-contained transmission in the present embodiment. The self-contained transmission, one transmission and reception, the downlink successive transmissions from the head, GP, and consists of consecutive downlink transmission order. The successive downlink transmission includes at least one downlink control information and DMRS. As downlink control information instructing transmission of the uplink physical channel included in the uplink transmission to reception, or continuous downlink physical channels included in a downlink transmission to the continuous. If the downlink control information instructs the receiving of the downlink physical channel, the terminal device 2 attempts to receive the downlink physical channel based on the downlink control information. Then, the terminal apparatus 2, the reception success or failure of the downlink physical channel (decoding success or failure), and transmits the uplink control channel included in the uplink transmission to be allocated after GP. On the other hand, if the downlink control information instructs the transmission of the uplink physical channels, for transmission, including the uplink physical channel transmitted based on the downlink control information on uplink transmission. Thus, the downlink control information, by switching flexibly transmit the transmission and downlink data uplink data, it is possible to respond immediately to changes in the traffic ratio of uplink and downlink. Further, by notifying in uplink transmission immediately after the reception success or failure of the downlink, it is possible to realize low delay communication of the downlink.
[0161]
　Unit slot time, downlink transmission, the smallest time unit to define a GP or uplink transmission. Unit slot time, downlink transmission, is reserved for either the GP or uplink transmission. Some unit slot time, both the downlink transmission and uplink transmission is not included. Unit slot time may be the minimum transmission time of the channel associated with the DMRS included in the unit slot time. One unit slot time is, for example, the sampling interval (T a NR s is defined as an integer multiple of) or symbol length.
[0162]
　A unit frame time may be a minimum time specified by the scheduling. A unit frame time may be a minimum unit which a transport block is transmitted. Unit slot time may have a maximum transmission time of the channel associated with the DMRS included in the unit slot time. A unit frame time may be a unit time for determining the uplink transmission power in the terminal device 2. A unit frame period, may be referred to as a subframe. Units frame time, downlink transmission only, uplink transmission only, three types of combinations of uplink transmission and downlink transmission are present. One unit frame time, for example, the sampling interval of the NR (T s ), is defined as an integer multiple of the symbol length or unit slot time.
[0163]
　Reception time is the one reception time. One transceiver and another between the transmission and reception, which physical channels and physical signals also occupied by the time not transmitted (the gap). The terminal apparatus 2, do not mean the CSI measurements between different transceiver. Receiving time may also be referred to as TTI. One transceiver time, for example, the sampling interval of the NR (T s ), symbol length, the unit slot time, or defined by an integral multiple of a unit frame time.
[0164]
　　
　orthogonal multiple access: In (Orthogonal Multiple Access OMA), performs transmission and reception using a frequency axis and a time axis for example orthogonal. At this time, as shown in FIG. 6, a frame configuration of frequency and time resources are determined by the subcarrier spacing can not be used more than the number of resources a resource element. On the other hand, in the NOMA, in addition to the frequency axis and time axis orthogonal, non-orthogonal axes, for example, Interleave PatternV axis, Spreading Pattern axis, Scrambling Pattern axis, Codebook axis, by adding such Power shaft, a frame construction There are determined. For example, Figure 14 is a resource to be multiplexed in multiplexed transmission signal in a non-orthogonal axes in the transmitting apparatus, and a non-orthogonal axis represents all cases the same parameter set. Here, the transmitting device indicates one of the base station apparatus 1 or the terminal apparatus 2. Transmitting device, providing a plurality of transmission signal set for the multiplex. In Figure 14, it is assumed that two transmission signal set is multiplexed. Although here it is two and the number of transmission signal set may be three or more transmission signal set. Also, each of the transmission signal set may be a transmission signal for the separate receiving device may be a transmission signal for the same receiver. Here, the receiving device indicates one of the base station apparatus 1 or the terminal apparatus 2. Each transmission signal set corresponding NOMA Pattern Vector is applied. Here, the NOMA Pattern Vector, for example, Interleave pattern, Spreading Pattern, Scrambling Pattern, Codebook, Power Allocation, and the like. NOMA Pattern Vector after application of signals are multiplexed on the same frequency and time resource are sent to the same antenna port. Although multiplexed transmission signal set of the same parameter set 14, it may be multiplexed transmission signal set for the different parameter sets.
[0165]
　Figure 15 is an example of the receiving apparatus. As shown in FIG. 15, the reception signal, a plurality of transmission signals on the same frequency and time resources are received in a state of being multiplexed. Receiver, for decoding the multiplexed transmitted signal set, to apply the applied NOMA Pattern Vector at the transmitter, the channel equalization and interference signal canceller retrieve a desired signal. At this time, if you've multiple used the same NOMA Pattern Vector, the influence of interference between multiplexed signals becomes large, it becomes difficult to decode.
[0166]
　As described above, in the NOMA sends share NOMA Pattern Vector applied by the transmission apparatus and the receiving apparatus between the transmitter and receiver, and it is necessary to NOMA Pattern Vector is applied without overlapping.
[0167]
　<< 2. Technical features
　　>> <2.1. Configuration example of the upper layer processing unit>
　First, with reference to FIGS. 16 and 17, illustrating a more detailed configuration example of the base station apparatus 1 and the terminal device 2 according to the present embodiment.
[0168]
　Figure 16 is a block diagram showing an example of a logical configuration of the higher layer processing unit 101 of the base station apparatus 1 according to this embodiment. As shown in FIG. 16, upper layer processing section 101 of the base station apparatus 1 according to this embodiment includes a setting unit 1011 and the communication control unit 1013. Setting unit 1011 has a function of setting a control mode of the communication control unit 1013. The communication control unit 1013 has a function of controlling the communication with the terminal device 2 on the basis of the setting by the setting unit 1011. The function of the setting unit 1011 and the communication control unit 1013 will be described in detail later.
[0169]
　Figure 17 is a block diagram showing an example of a logical configuration of the higher layer processing unit 201 of the terminal device 2 according to the present embodiment. As shown in FIG. 17, higher layer processing unit 201 of the terminal device 2 according to this embodiment includes a setting unit 2011 and the communication control unit 2013. Setting unit 2011 has a function of setting a control mode of the communication control unit 2013. The communication control unit 2013 has a function of controlling the communication with the base station apparatus 1 based on the setting by the setting unit 2011. The function of the setting unit 2011 and the communication control unit 2013 will be described in detail later.
[0170]
　Incidentally, each of the upper layer processing unit 101 and the higher layer processing unit 201, the processor may be implemented as a circuit or an integrated circuit.
[0171]
　　<2.2. NR frame structure> of
　the NR, suitable frame structure in accordance with the use case to be supported may be employed. The frame configuration includes a configuration for the downlink transmission, uplink transmission corresponding to the transmission thereof downlink.
[0172]
　Figure 18 shows an example of the configuration of Non self-contained, sub frame when the PDSCH transmission. Figure 18 shows the four sub-frames in the downlink and uplink. In the downlink, each subframe includes a PDCCH and PDSCH. In the uplink, each subframe includes a PUCCH. PDCCH is transmitted containing information about the scheduling of PDSCH in the subframe or the subsequent subframe. PUCCH is transmitted contains information for reporting HARQ-ACK for PDSCH transmitted in the previous downlink sub-frame than the uplink subframe.
[0173]
　In FIG. 18, PUCCH is reporting the HARQ-ACK for the PDSCH in the previous sub-frame, it is not limited thereto, HARQ-ACK is a predetermined number of subframes for receiving PDSCH It can report PUCCH after the sub-frame. The predetermined number may be predefined or may be set in the terminal-specific or base station-specific.
[0174]
　Figure 19 shows a configuration example of a Self-contained, sub frame when the PDSCH transmission. Figure 19 shows the four sub-frames in the downlink and uplink. In the downlink, each subframe includes a PDCCH and PDSCH. In the uplink, each subframe includes a PUCCH. PDCCH is transmitted containing information about the scheduling of PDSCH in the subframe or the subsequent subframe. PUCCH is transmitted contains information for reporting HARQ-ACK for the uplink sent in the same downlink subframe as the subframe PDSCH.
[0175]
　The frame structure in FIG. 19, the transmission time of the PDSCH (the last symbols), and the processing time to generate information for reporting HARQ-ACK of PDSCH, in consideration of the time (symbol) to transmit the PUCCH determined.
[0176]
　Frame structure shown in the frame structure and 19 shown in FIG. 18, respectively when the PDSCH transmission (i.e., PDCCH may notify the scheduling information PDSCH) has been described, if the PUSCH transmission (i.e., PDCCH is PUSCH when notifying scheduling information) even it can take the same variety of frame configurations.
[0177]
　Figure 20 shows a configuration example of a Non self-contained, subframes in the case of PUSCH transmission. Figure 20 shows the four sub-frames in the downlink and uplink. In the downlink, each subframe includes a PDCCH. In the uplink, each subframe includes a PUCCH and PUSCH. PDCCH is transmitted containing information about the scheduling of PUSCH in that subframe subsequent uplink subframe.
[0178]
　In FIG. 20, PUSCH has been scheduled by the PDCCH in the previous sub-frame, it is not limited to this, a predetermined number of subframes before the PDCCH the uplink subframe to transmit the PUSCH in can be scheduled. The predetermined number may be predefined or may be set in the terminal-specific or base station-specific.
[0179]
　Figure 21 shows a configuration example of a Self-contained, subframes in the case of PUSCH transmission. Figure 21 shows the four sub-frames in the downlink and uplink. In the downlink, each subframe includes a PDCCH. In the uplink, each subframe includes a PUCCH and PUSCH. PDCCH is transmitted containing information about the scheduling of PUSCH in the uplink subframe.
[0180]
　The frame structure in FIG. 21, the transmission time of the PUSCH (the first symbol) of a processing time to generate a PUSCH based on the scheduling of the PDCCH, determined in consideration of the time (symbol) to transmit the PDCCH.
[0181]
　In the following description, illustrating a case of PDSCH transmission as shown in FIGS. 18 and 19 can be applied the same description in the case of PUSCH transmission as shown in FIGS. 20 and 21. Therefore, unless otherwise specified, the technical and contents in PDSCH transmission can be replaced with PUSCH transmission.
[0182]
　Further, in the frame structure shown in FIG. 19, the last symbol of the PDSCH becomes before the last symbol of the downlink subframe. In the downlink subframe, the last rear of symbols (hereinafter, also GAP region downlink are referred.) Than a symbol of the PDSCH, nothing may be configured not to transmit, the other downlink channels and / or it may send a downlink signal.
[0183]
　For example, GAP area of ​​downlink, PBCH for transmitting MIB (Master Information Block), used to map the channel for notifying PDSCH or a plurality of terminal devices, transmits a SIB (System Information Block). Further, for example, GAP area of ​​downlink, used for transmission of the CSI-RS used for performing synchronization signals such as PSS or SSS, the detection signal is used to perform RRM measurement (Discovery Signal), a CSI measurement It is.
[0184]
　Further, in the frame structure shown in FIG. 21, the first symbol of the PUSCH it is made later than the first symbol of the uplink sub-frame. In the uplink subframe, the first previous symbol from the symbol of the PUSCH (hereinafter. To be also referred to as GAP region uplink), nothing may be configured not to transmit, the other uplink channel and / or it may transmit the uplink signal.
[0185]
　For example, GAP region uplink, PUCCH for transmitting sounding RS for measuring the channel state of the uplink, DMRS for PUSCH transmitted in the uplink sub-frame, a predetermined UCI the (Uplink Control Information) it can be used to map and PUCCH to report HARQ-ACK for the previous transmitted PDSCH in the downlink subframe.
[0186]
　In the above description it has been described in different drawings to FIGS. 18 to 21, these frame structure may be used in combination with each other (at the same time). That is, it is possible to more PDCCH is multiplexed and transmitted by a predetermined method, depending on the DCI (Downlink Control Information) notified by the PDCCH, performs PDSCH transmission and / or PUSCH transmission.
[0187]
　For example, both the PDSCH transmission and PUSCH transmission may be either a Non self-contained, the sub-frame or Self-contained, subframe. That is, FIG. 18 and FIG. 20 can be used at the same time, 19 and 21 can be used simultaneously.
[0188]
　Further, for example, each of the PDSCH transmission and PUSCH transmission may be Non self-contained, the sub-frame or Self-contained, subframe different from each other. That is, FIG. 18 and FIG. 21 can be used at the same time, 19 and 20 can be used simultaneously.
[0189]
　Note that the LTE and NR, since the frequency band used is different it is assumed, for example, a region for transmitting the HARQ-ACK in the LTE and NR collide is avoided. Also, in the LTE and NR, as the frequency band used is duplicated by dividing the region for transmitting the HARQ-ACK in the LTE and NR (e.g., such as using different RB), avoiding collisions can.
[0190]
　　<2.3. Timing Control>
　communication apparatus according to this embodiment, it is possible to flexibly control the timing of the communication.
[0191]
　　(1) first and second modes
　First, the communication apparatus according to the present embodiment, i.e., the base station apparatus 1 and the terminal device 2, first channel or first direction to be transmitted to the first direction controlling any one transmission and other one receiving the second channel corresponding to a first channel transmitted in a second direction opposite to.
[0192]
　For the transmission of the PDSCH, the first direction is downlink, the first channel is a data channel (e.g., PDSCH), the second direction is uplink, the second channel control channel (e.g. , a PUCCH). Then, the base station apparatus 1 (e.g., the communication control unit 1013) controls the transmission and reception of the PUCCH PDSCH. The terminal device 2 (e.g., the communication control unit 2013) controls the transmission and reception of the PDSCH PUCCH. Here, PUCCH is, in that it includes a HARQ-ACK for the PDSCH, and corresponds to the PDSCH and the PUCCH.
[0193]
　For the transmission of the PUSCH, the first direction is downlink, the first channel is a control channel (e.g., PDCCH), the second direction is uplink, the second channel data channel (e.g. , it is a PUSCH). Then, the base station apparatus 1 (e.g., the communication control unit 1013) controls the transmission and reception of the PUSCH of the PDCCH. The terminal device 2 (e.g., the communication control unit 2013) controls the transmission and reception of PDCCH of PUSCH. Here, PUSCH is, a point that is transmitted and received in accordance with the scheduling information included in the PDCCH, and corresponds to the PDCCH and PUSCH.
[0194]
　Besides, the first direction and the second direction may be a direction of each facing in the side links. The first direction and the second direction may be a direction of each of the opposing the link established in D2D (device to device) communication or MTC (Machine Type Communication).
[0195]
　The communication apparatus according to this embodiment, the control mode for the transmission and reception of the first channel and a second channel of the set to the first mode or the second mode. For example, the base station apparatus 1 (e.g., setting unit 1011), the other communication device of the communication partner (e.g., the terminal device 2) to notify the setting information indicating whether to set which control mode. The terminal device 2 (e.g., the setting unit 2011), the other communication device of the communication partner (e.g., base station apparatus 1) to set the control mode based on the notified configuration information from. Configuration information, other information representing a control mode, for example (information indicating the position of the Self-contained, the last PDSCH in a subframe first symbol position information or PUSCH indicating symbols, etc.) information indicating the sub-frame configuration, etc. It may include. The setting information may be notified by various means. For example, setting information, static or semi-statically by means of RRC signaling or MAC signaling, or may be dynamically notified using DCI.
[0196]
　The first mode is a control mode using the frame structure shown in the frame configuration or 20 shown in FIG. 18. That is, the first mode is a control mode using Non self-contained, subframe. Communication device, in a first mode, transmitting and receiving the first and second channels at different sub-frames. For example, with respect to FIG. 18, the base station apparatus 1 and the terminal device 2 transmits and receives PDSCH, for transmitting and receiving PUCCH corresponding to the PDSCH in a subframe after one sub-frame containing the PDSCH. For example, with respect to FIG. 20, the base station apparatus 1 and the terminal device 2 transmits and receives PDCCH, to send and receive the PUSCH corresponding to the PDCCH in sub-frame one frame after sub-frame containing the PDCCH. Incidentally, the sub-frame here is a kind of frame, may be the same as the sub-frame in LTE, it may be different.
[0197]
　The second mode is a control mode using the frame structure shown in the frame configuration or 21 shown in FIG. 19. That is, the second mode is a control mode using Self-contained, subframe. Communication device, in the second mode, transmitting and receiving a first channel and a second channel in the same subframe. For example, with respect to FIG. 19, the base station apparatus 1 and the terminal device 2 transmits and receives PDSCH, the same sub-frame containing the PDSCH (e.g., the same frame number) a PUCCH corresponding to the PDSCH in subframe to send and receive. For example, with respect to FIG. 21, the base station apparatus 1 and the terminal device 2 transmits and receives PDCCH, to send and receive the PUSCH corresponding to the PDCCH in the same subframe as the subframe including the PDCCH.
[0198]
　Incidentally, for each of the PDSCH transmission and PUSCH transmission may be set the same control mode may be different control modes set.
[0199]
　As explained above, the timing of the communication to be controlled in the present embodiment, as in the frame structure shown in the frame configuration or 19 shown in FIG. 18, includes a transmission timing of the HARQ-ACK report corresponding to PDSCH . Further, the timing of the communication to be controlled in the present embodiment, as in the frame structure shown in the frame configuration or 21 shown in FIG. 20, a transmission timing of the PUSCH to be scheduled by the PDCCH.
[0200]
　　· First mode and the difference from the second mode
　the first mode (i.e., the frame structure shown in the frame configuration or 20 shown in FIG. 18) and a second mode (i.e., the frame configuration shown in FIG. 19 or describe the differences from the frame structure) shown in FIG. 21.
[0201]
　The first difference relates to the distance between the first and second channels. Specifically, the first difference is from the reception of the PDSCH, about time to generate information for reporting HARQ-ACK for the PDSCH. The first difference is that after receiving the PDCCH, about time to generate uplink data to transmit a PUSCH to be scheduled by the PDCCH.
[0202]
　First, in the second mode, including PDSCH and HARQ-ACK report, or including PDCCH and PUSCH, since the completed in one sub-frame, so as not to affect the transmission and reception of the other sub-frame it is possible to be. The second mode, the processing time from the reception of the PDSCH to the generation of the HARQ-ACK, or the processing time from the reception of the PDCCH until generating a PUSCH is shorter than the first mode , is relatively large processing load on the terminal apparatus 2.
[0203]
　On the other hand, in the first mode, the processing time from the reception of the PDSCH to the generation of the HARQ-ACK, or the processing time from the reception of the PDCCH until generating a PUSCH as compared to the second mode long, the load of the processing of the terminal device 2 is relatively small. In the first mode, in consideration of the sub-frame for transmitting the subframe or the PUSCH to report the HARQ-ACK, it determined the use of uplink sub-frame.
[0204]
　Therefore, the control mode, the processing capability of the terminal device 2, or depending on the use case to the base station apparatus 1 is supported, the terminal device 2-specific, or the base station device 1 may be specific to the set.
[0205]
　The second difference is the last symbol of the PDSCH, and, for the first symbol of the PUSCH.
[0206]
　First, in the second mode, in the same subframe, PUCCH including HARQ-ACK for the PDSCH and the PDSCH is transmitted. Therefore, the last symbol of the PDSCH, and thus determined on the basis of the processing time to generate information for reporting HARQ-ACK, the time to transmit the PUCCH including the HARQ-ACK (symbol) for at least PDSCH . Thus, at least in a second mode, PDSCH (i.e., a first channel) the last symbol of the is set to the previous position than the last symbol of the downlink sub-frame including the PDSCH. Incidentally, the last symbol of the PDSCH, for example may be statically or semi-statically notified and set by RRC signaling, for example may be dynamically notified and set by DCI.
[0207]
　In the second mode, in the same subframe, scheduled PUSCH is transmitted by the PDCCH and the PDCCH. Therefore, the first symbol of the PUSCH, and the time for transmitting at least PDCCH (symbols), so that the determined based on the processing time to generate the PUSCH including the uplink data based on the PDCCH. Thus, at least in a second mode, PUSCH (i.e., second channel) first symbol of is set to a position later than the first symbol of the uplink sub-frame including the PUSCH. Note that the first symbol of the PUSCH, for example may be statically or semi-statically notified and set by RRC signaling, for example may be dynamically notified and set by DCI.
[0208]
　Here, the first symbol of the last symbol or PUSCH of the PDSCH, the processing capability terminal device 2, or depending on the use case that the base station apparatus 1 is supported, each terminal device 2-specific, or the base station apparatus 1 specific to may be set.
[0209]
　On the other hand, in the first mode, PUCCH for HARQ report corresponds to the PDSCH sent by a certain downlink subframe is transmitted behind the uplink subframe than its downlink subframe. Thus, in the first mode, PDSCH (i.e., a first channel) the last symbol of may be set to the same position as the last symbol of the downlink sub-frame including the PDSCH.
[0210]
　In the first mode, PUSCH including uplink data to be scheduled by the PDCCH to be transmitted in the downlink sub-frame that is transmitted in the uplink sub-frame after than its downlink subframe. Thus, in the first mode, PUSCH (i.e., second channel) first symbol of may be set to the same position as the first symbol of the uplink sub-frame including the PUSCH.
[0211]
　　· Processing Flow
　Referring to FIG. 22, an example of the flow of setting processing of the control modes described above in the terminal apparatus 2. Figure 22 is a flowchart showing an exemplary flow of a control mode setting processing executed in the terminal apparatus 2 according to the present embodiment.
[0212]
　As shown in FIG. 22, first, the terminal apparatus 2 sets the control mode to the first mode or the second mode (step S102). For example, the terminal device 2 according to the setting information received via the RRC signaling from the base station apparatus 1 is set to the first mode or the second mode.
[0213]
　Then, when the control mode set is the first mode (step S104 / first mode), the terminal apparatus 2 performs transmission at a timing according to the first mode (step S106). For example, the terminal device 2 transmits the PUCCH corresponding to the PDSCH in one or more subsequent subframes of a subframe including the received PDSCH. Further, for example, the terminal device 2, in one or more subsequent subframes of a subframe including the received PDCCH, and transmits a PUSCH that is scheduled by the PDCCH.
[0214]
　On the other hand, if the control mode set is the second mode (step S104 / second mode), the terminal apparatus 2 performs transmission at a timing according to the second mode (step S108). For example, the terminal device 2 transmits the PUCCH corresponding to the PDSCH in the same subframe as the subframe including the received PDSCH. Further, for example, the terminal device 2 in the same subframe as the subframe including the received PDCCH, and transmits a PUSCH that is scheduled by the PDCCH.
[0215]
　Thus, the process ends.
[0216]
　Further processing, such as may also be carried out separately for each cell or parameter set. That is, the control mode described above in the terminal apparatus 2 can be set individually for each cell or parameter set.
[0217]
　　- terminal capability information
　, where the second mode is shorter processing time until the transmission of the PUCCH or PUSCH, the terminal device 2 that supports the second mode is likely to be required high throughput. Therefore, the base station apparatus 1, when the terminal device 2 has a supportable high throughput the second mode may be enabled setting the second mode.
[0218]
　For example, the terminal device 2, the information indicating its own processing capabilities, more specifically the terminal capability information is information that indicates whether or not to support the second mode (e.g., UE capability information), the base station apparatus to notify the 1. Then, the base station apparatus 1, based on the terminal capability information from the terminal device 2 sets the control mode. For example, the terminal apparatus 2 may set the first mode unless it receives the setting information is from the base station apparatus 1 to set the second mode. Then, the terminal device 2, the second mode may be set when receiving the setting information is to be set a second mode from the base station apparatus 1. The terminal capability information such as described above, may be able to notify individually for each parameter set. Also, in certain parameter set, the terminal capability such as above may be defined as an essential function (Mandatori function).
[0219]
　The flow of processing in this case will be described with reference to FIG. 23.
[0220]
　Figure 23 is a sequence diagram showing an example of the flow control mode setting processing executed in the wireless communication system according to this embodiment. This sequence, the base station apparatus 1 and terminal apparatus 2 is involved.
[0221]
　As shown in FIG. 23, first, the base station apparatus 1 transmits an inquiry of the terminal capability information to the terminal device 2 (step S202). Then, the terminal device 2 transmits a terminal capability information including information that indicates whether or not to support the second mode to the base station apparatus 1 (step S204). Then, the base station apparatus 1, when the terminal device 2 supports the second mode, and transmits the setting information to the effect that setting the second mode of the terminal device 2 (step S206). Messages so far is transmitted and received in accordance with the first mode. The terminal device 2 sets the second mode, to transmit at the timing according to the second mode (step S208).
[0222]
　　(2) Variation of setting
　the terminal device 2 (e.g., the setting unit 2011) may employ a variety of setting methods. For example, in the above, the control mode has been described as being set explicitly with the base station apparatus 1 to notify the setting information to the terminal device 2 (Explicit), setting the control mode limited thereto not. For example, the control mode may be set implicitly (Implicit) based on the setting or state of the base station apparatus 1 or the terminal apparatus 2.
[0223]
　Further, by setting the control mode, to switch between the first mode and the second mode it may be regarded as.
[0224]
　The terminal device 2, the setting of the control mode may be set the time until enabled. For example, the terminal device 2, set the control mode, the time until the setting is enabled, it may be set to a predetermined time may be set separately. Further, the time until the setting takes effect may be set, for example, the sub-frame as a unit.
[0225]
　　An example of a - set reference
　Hereinafter, an example of criteria for setting the control mode.
[0226]
　For example, the control mode may be set according to the information of the terminal device 2. Specifically, control mode, whether status of the terminal device 2 is a predetermined status, based state of the terminal 2, the application operating on the terminal apparatus 2, the use case and / or settings, it may be set to the first mode or the second mode.
[0227]
　For example, the control mode, there are default settings may be switched as necessary. Specifically, the control mode is the default first mode is set, the second mode may be set when a predetermined condition is satisfied. The predetermined condition is such that it has received the setting information for example from the base station apparatus 1 to the effect that setting the second mode. For example, the terminal device 2, until the second mode is set to operate in a first mode, operating in the second mode after the second mode is set.
[0228]
　For example, the control mode may be set according to the capability of the base station apparatus 1. Specifically, the control mode, at the time of initial access by the terminal apparatus 2 is set the first mode, if it is connected to the base station apparatus 1 to support the second mode be set a second mode good.
[0229]
　For example, the control mode may be set according to the RRC state. Specifically, the control mode, the RRC connection (RRC Connected) state is set the first mode, it may be set a second mode in RRC idle (RRC Idle) state. Conversely, the control mode, the RRC idle state is set the first mode, it may be set a second mode in RRC connected state.
[0230]
　For example, the control mode may be set according to the access method. Specifically, the control mode, when the uplink transmission is orthogonal access scheme is set the first mode, when the uplink transmission is in a non-orthogonal access method may be set a second mode. For example, the terminal device 2, based on the RRC signaling, sets the use of orthogonal access method or non-orthogonal access scheme, sets the implicitly control mode accordingly.
[0231]
　For example, the control mode may be set according to the type of sub-frame used. Specifically, the control mode, the first mode is set when a Non self-contained, the sub-frame is used, the second mode may be set when the Self-contained, subframes are used . Further, in a case where if the Self-contained, subframe Non self-contained, the sub-frame is used is used, may be a parameter for determining the value of the timing advance individually set.
[0232]
　For example, the control mode may be set according to the duplex scheme. Specifically, the control mode, in the case of TDD is set the first mode, in the case of FDD may be set the second mode.
[0233]
　For example, the control mode may be set according to the application or use case. Specifically, in the case of the first application or the first use case is set the first mode, in the case of the second application or the second use case may be set the second mode. For example, the first application or the first use case is an application or use case of high-speed and broadband communication, a second application or the second use case is the low-latency communication applications or use cases.
[0234]
　For example, the control mode may be set according to the sub-carrier interval. Specifically, the control mode, the first mode is set when the subcarrier interval is less or if the first sub-carrier interval threshold, or if the second subcarrier subcarrier spacing exceeds the threshold second mode may be set when an interval. The threshold may be a 15kHz is subcarrier spacing for example in LTE. Incidentally, when part of a set of parameters subcarrier interval is set, the control mode may be set according to the parameter set.
[0235]
　For example, the control mode, TTI (Transmission Time Interval) may be set depending on the length. Specifically, the control mode, the first mode is set when the TTI length in case of the threshold value or less or the first TTI length, first in the case of the case or the second TTI length TTI length exceeds the threshold 2 of the mode may be set. The threshold may be, for example, 1 millisecond. Incidentally, when part of a set of parameters TTI length is set, the control mode may be set according to the parameter set.
[0236]
　The above setting criteria may be combined appropriately. For example, the control mode may be set according to the combination of RRC states and access method. If the non-orthogonal access scheme is used, even without performing the timing advance to be made in order to obtain orthogonality becomes RRC connected state, the terminal apparatus 2 is for possible transmission.
[0237]
　Further, in the above description, a specific example of a case where when the second mode in which the first mode is set is set, the first mode and the second mode is reversed in each of the embodiments settings may be.
[0238]
　　- Exception
　terminal device 2 (e.g., the setting unit 2011), even if you set the control mode based on the setting information from the base station apparatus 1, exceptionally the control mode under a predetermined condition it may be switched. For example, the terminal device 2, when a predetermined condition is satisfied, for a given situation, if the transmission of the predetermined channel, and / or transmission of a predetermined signal may be switched control mode. For example, the terminal device 2, the second even if you set the mode, if any of the following may be switched to the first mode based on the setting information from the base station apparatus 1.
[0239]
　For example, the terminal apparatus 2 may switch the control mode depending on the stage of the access process. For example, the terminal device 2, when performing a random access process, switching to the first mode.
[0240]
　For example, the terminal apparatus 2 may switch the control mode according to the type of channel to be transmitted. For example, the terminal device 2, when transmitting a random access channel, switches to the first mode.
[0241]
　For example, the terminal device 2, depending on the size of data to be transmitted or received, may switch the control mode to the first mode. Specifically, the terminal device 2, when the data size to be transmitted or received is greater than the threshold, switch to the first mode. Here, the data size can mean size of the transport block size or codeword.
[0242]
　For example, the terminal device 2, in accordance with the order (Modulation order) in the number of allocated resource blocks and / or modulation scheme may be switched to the control mode to the first mode. Specifically, the terminal device 2, when the number of allocated resource blocks is greater than the threshold value, and / or when the order of the modulation scheme is greater than the threshold value, switches to the first mode. This has the same meaning as to switch depending on the data size.
[0243]
　For example, the terminal device 2, when it is notified from the base station apparatus 1 to set explicitly or implicitly first mode by DCI, may switch the control mode to the first mode. That is, the terminal device 2, while setting the second mode of statically or quasi-static based on the notification using the RRC signaling, dynamically switches to the first mode based on the notification using DCI .
[0244]
　For example, the terminal apparatus 2, according to the value of the timing advance to be set (Timing Advance), may switch the control mode to the first mode. Specifically, the terminal device 2, when the value of the timing advance to be set is equal to or less than the first threshold value or more or the second threshold value, switches to the first mode. Note that the first threshold and the second threshold value may be the same or may be different. The value of the timing advance, the more the timing of the uplink transmission is advanced large, directly connected for example from the reception of the PDSCH of the length of the processing time to generate the HARQ-ACK. Therefore, the terminal device 2, when the processing time is too short, it is possible to secure a longer processing time than it is switched to the first mode.
[0245]
　For example, the terminal device 2, a downlink control channel including scheduling information (e.g., PDCCH) according to RNTI used for scrambling may be switching the control mode to the first mode. Specifically, the terminal device 2, when the control channel of the downlink includes a scheduling information is scrambled using a predetermined RNTI, it switches to the first mode. Here, the predetermined RNTI, an RNTI not specific to the terminal device 2. For example, the predetermined RNTI, may be RNTI used to transmit broadcast information.
[0246]
　For example, the terminal device 2, a downlink control channel including scheduling information (e.g., PDCCH) according to the search space is mapped, it may switch the control mode to the first mode. Specifically, the terminal device 2, when the control channel of the downlink includes a scheduling information is mapped to a predetermined search space, it switches the first mode. Here, the predetermined search spaces may be, for example, a common search space. Be switched in response to the search space, the control channel is a point as a reference whether the terminal apparatus 2 itself for the same as the to switch depending on the RNTI.
[0247]
　For example, the terminal device 2, depending on whether to perform multi-subframe scheduling for scheduling for a plurality of sub-frame (TTI) (Multi-TTI scheduling), may switch the control mode to the first mode. Specifically, the terminal device 2, when performing single subframe scheduling of scheduling for one sub-frame (single TTI scheduling) uses the second mode, when performing multi-subframe scheduling, first using a mode of.
[0248]
　The reference exception handling described above, it can be combined as appropriate. The reference exception handling described above, the first mode and the second mode may be reversed. That is, the first mode is set based on the setting information, it may be switched to the exceptionally second mode based on the reference.
[0249]
　　<2.4.
　More> of PUCCH configuration PUCCH is used to notify the UCI. The UCI, including HARQ-ACK, CSI, the SR. The physical resources for mapping the PUCCH can be shared by multiple terminals 2. That is, the physical resource of the PUCCH, a plurality of PUCCH may be multiplexed. For example, PUCCH shown in FIGS. 18 to 21 may represent a physical resource of PUCCH, can send another terminal apparatus even PUCCH 2 in the physical resources.
[0250]
　The following describes the details of the PUCCH configuration.
[0251]
　Uplink control channel (e.g., PUCCH) physical resources, in the uplink subframe, uplink data channel (e.g., PUSCH) and may be multiplexed in the frequency domain or the time domain. This point will be described in detail later with reference to FIGS. 24 and 25. Incidentally, the physical resources of the PUCCH, for multiplexing a plurality of PUCCH, may constitute a logical resource of PUCCH. For example, physical resources of a PUCCH is time, constituting a frequency, code, space, or by an antenna port, a logical resource of a plurality of PUCCH. The base station apparatus 1 and terminal apparatus 2, (and later, just with PUCCH resources are referred) thereof PUCCH logic resources using, can be transmitted and received PUCCH.
[0252]
　Figure 24 is an example of PUCCH configuration. In the example shown in FIG. 24, the physical resources of the PUCCH is multiplexed in the PUSCH and the time domain. In PUCCH configuration shown in FIG. 24, the physical resources of the PUCCH is composed of some of the symbols in the uplink sub-frame. The physical resources of the PUCCH may be over the system bandwidth in the uplink sub-frame. Further, PUCCH physical resource, in the frequency domain, in order to multiplex a plurality of PUCCH, the unit of a predetermined frequency range (e.g., resource blocks, etc.) based on, may be divided. For example, PUCCH configuration shown in FIG. 24 is suitable for the first mode (Non self-contained sub-frame structure) and a second mode (Self-contained, subframe configuration).
[0253]
　Figure 25 is an example of PUCCH configuration. In the example shown in FIG. 25, the physical resources of the PUCCH is multiplexed in the PUSCH and a frequency domain. In PUCCH configuration shown in FIG. 25, the physical resources of the PUCCH is composed of part of the resource blocks in the uplink subframe. The physical resources of the PUCCH may be over all symbols in the uplink sub-frame. For example, PUCCH configuration shown in FIG. 25 is suitable only in the first mode (Non self-contained sub-frame configuration). In the second mode, it is requiring it to send PUCCH the PUCCH including the HARQ-ACK, it is requiring to transmit in the same subframe and the PDSCH, i.e. in the time after the sub-frame for example for PDSCH This is because.
[0254]
　For example, PUCCH configuration shown in FIGS. 24 and 25, predetermined parameters, states, on the basis of such settings may be used by switching. For example, in the first mode, PUCCH configuration is used as shown in Figure 25, in the second mode, PUCCH configuration shown in Figure 24 is used. Further, for example, in the first mode, PUCCH configuration shown in PUCCH configuration or 25 shown in Figure 24 based on the RRC signaling is used, in the second mode, the PUCCH configuration shown in FIG. 24 used.
[0255]
　　<2.5. Supplementary>
　In the above has been described for controlling the transmission timing in the uplink, the present technology is not limited thereto. For example, the present technique can also be applied to the control of transmission timing in the side links. Here, transmission timing in the side link is adjusted based on the timing reference frame. That is, the terminal device 2, the transmission of the i-th radio frame in side links, based on the corresponding i-th timing reference radio frame is performed at a timing before or after a predetermined timing advance time.
[0256]
　<< 3. Applications >>
　according to the disclosed technique is applicable to various products. For example, the base station apparatus 1 may be implemented as a macro eNB or any type of eNB, such as small eNB (evolved Node B). Small eNB may pico eNB, such as micro eNB or Home (femto) eNB, or a eNB to cover smaller cells than macrocells. Alternatively, the base station apparatus 1 may be implemented as a base station for other types, such as NodeB or BTS (Base Transceiver Station). The base station apparatus 1 includes a main body (also referred to as a base station device) that controls the wireless communication, one or more RRH placed in a different location from the main body (Remote Radio Head) and may contain. Further, by different types of terminal to be described later to perform a temporary or semi-permanent base station function, it may operate as the base station apparatus 1.
[0257]
　In addition, for example, the terminal device 2, a smart phone, a tablet PC (Personal Computer), notebook PC, a portable game terminal, portable / dongle type mobile router or mobile terminal, such as a digital camera or a vehicle-mounted terminal such as a car navigation device, it may be implemented as. The terminal device 2 may be implemented as M2M (Machine To Machine) (also called MTC (Machine Type Communication) terminal) terminal that performs communications. Further, the terminal device 2, wireless communication module mounted on these terminals (e.g., an integrated circuit module consists of a single die) may be used.
[0258]
　　<3.1. Applications for the base station Example>
　　　(first applied example)
　FIG. 26 is a block diagram showing a first example of a schematic configuration of an eNB of the technology according to the present disclosure may be applied. eNB800 has one or more antennas 810, and the base station apparatus 820. Each antenna 810 and base station apparatus 820 may be connected to each other via a RF cable.
[0259]
　Each antenna 810, a single or multiple antenna elements (e.g., a plurality of antenna elements of MIMO antennas) have, is used to send and receive radio signals by the base station apparatus 820. eNB800 has a plurality of antennas 810 as shown in FIG. 26, a plurality of antennas 810, for example, may correspond to a plurality of frequency bands eNB800 uses. Although in FIG. 26 shows an example in which ENB800 has a plurality of antennas 810, ENB800 may have a single antenna 810.
[0260]
　The base station apparatus 820 includes a controller 821, a memory 822, a network interface 823 and a wireless communication interface 825.
[0261]
　The controller 821 may be, for example, a CPU DSP, or to operate the various functions of the upper layer of the base station apparatus 820. For example, the controller 821 generates a data packet from the data in the signal processed by the wireless communication interface 825, and transfers the generated packet via the network interface 823. The controller 821, the data from the plurality of baseband processor generates the bundled packets by bundling the generated bundled packets may be transferred. The controller 821, radio resource management (Radio Resource Control), radio bearer control (Radio Bearer Control), mobility management (Mobility Management), executes the control such as the inflow control (Admission Control) or scheduling (Scheduling) Logical it may have a function. Further, the control may be performed in conjunction with the periphery of the eNB or the core network node. Memory 822 includes RAM and ROM, and stores a program executed, and various control data (e.g., terminal list, such as the transmission power data and scheduling data) by the controller 821.
[0262]
　Network interface 823 is a communication interface for connecting the base station apparatus 820 to the core network 824. Controller 821 via the network interface 823 may communicate with the core network node, or other eNB. In that case, the ENB800, the core network node, or other eNB, may be connected to one another by logical interfaces (e.g., S1 interface or X2 interface). Network interface 823 may be a wired communication interface, or a wireless communication interface for wireless backhaul. If the network interface 823 is a wireless communication interface, a network interface 823 may use a higher frequency band than the frequency band used for radio communication by the wireless communication interface 825.
[0263]
　Wireless communication interface 825, LTE supports either a cellular communication system such as (Long Term Evolution) or LTE-Advanced, via the antenna 810 to provide wireless connectivity to the terminal located in the cell of ENB800. Wireless communication interface 825 typically may include such baseband (BB) processor 826 and RF circuit 827. BB processor 826, for example, the encoding / decoding may be performed such as modulation / demodulation and multiplexing / demultiplexing, each layer (e.g., L1, MAC (Medium Access Control), RLC (Radio Link Control) and PDCP (Packet Data Convergence Protocol)) to perform various signal processing. BB processor 826, instead of the controller 821 may include some or all of the logical functions described above. BB processor 826, a memory for storing a communication control program may be a module including a processor and associated circuitry to execute the program, the function of BB processor 826 may be changeable by the update of the program good. Further, the module may be a card or a blade is inserted into the slot of the base station apparatus 820, or may be a chip mounted on said card or the blade. On the other hand, RF circuit 827, a mixer may include such as filters and amplifiers, for transmitting and receiving radio signals via an antenna 810.
[0264]
　Wireless communication interface 825 includes a plurality of BB processor 826 as shown in FIG. 26, a plurality of BB processor 826 may, for example, correspond to a plurality of frequency bands eNB800 uses. The wireless communication interface 825 includes a plurality of RF circuits 827 as shown in FIG. 26, a plurality of RF circuits 827 may correspond for example to a plurality of antenna elements. Although the wireless communication interface 825 in FIG. 26 shows an example including a plurality of BB processor 826 and a plurality of RF circuits 827, a wireless communication interface 825 includes a single BB processor 826 or a single RF circuit 827 But good.
[0265]
　In eNB800 shown in FIG. 26, one or more components (setting unit 1011 and / or the communication control section 1013) contained in the higher layer processing unit 101 or control unit 103 has been described with reference to FIG. 8, the radio communication it may be implemented in the interface 825. Alternatively, at least some of these components may be implemented in the controller 821. As an example, ENB800 is part of a wireless communication interface 825 (e.g., BB processor 826) or the whole, and mounted / or module including a controller 821, even if the one or more components in the modules are mounted good. In this case, the module stores (in other words, a program for executing the operation of the one or more components to the processor) processor program for functioning as the one or more components, and the program may be an execution. As another example, a program for causing a processor as the one or more components are installed in ENB800, wireless communication interface 825 (e.g., BB processor 826) also and / or controller 821 executes the program good. As described above, ENB800 as a device comprising the one or more components may be the base station device 820 or the module is provided, a program for causing a processor as the one or more components are provided it may be. The readable recording medium recording the program may be provided.
[0266]
　Further, in eNB800 shown in FIG. 26, the reception unit 105 and transmission unit 107 has been described with reference to FIG. 8, the radio communication interface 825 (e.g., RF circuitry 827) may be implemented in. The transmitting and receiving antenna 109 may be implemented in the antenna 810.
[0267]
　　　(Second applied example)
　FIG. 27 is a block diagram showing a second exemplary configuration of an eNB of the technology according to the present disclosure may be applied. eNB830 has one or more antennas 840, the base station apparatus 850, and RRH860. Each antenna 840 and RRH860 may be connected to each other via a RF cable. The base station apparatus 850 and RRH860 may be connected to one another by high-speed line such as an optical fiber cable.
[0268]
　Each antenna 840, a single or multiple antenna elements (e.g., a plurality of antenna elements of MIMO antennas) have, is used to send and receive radio signals by RRH860. eNB830 has a plurality of antennas 840 as shown in FIG. 27, a plurality of antennas 840, for example, may correspond to a plurality of frequency bands eNB830 uses. Although in FIG. 27 shows an example in which ENB830 has a plurality of antennas 840, ENB830 may have a single antenna 840.
[0269]
　The base station apparatus 850 includes a controller 851, a memory 852, a network interface 853, a wireless communication interface 855 and connection interface 857. Controller 851, a memory 852 and a network interface 853 is similar to the controller 821, a memory 822 and a network interface 823 described with reference to FIG. 26.
[0270]
　Wireless communication interface 855 supports any of the cellular communication system such as LTE or LTE-Advanced, via the RRH860 and antenna 840 to provide wireless connectivity to terminals located in a sector corresponding to RRH860. Wireless communication interface 855 typically may include such BB processor 856. BB processor 856, except that it is connected to the RF circuitry 864 of RRH860 through the connection interface 857 is similar to the BB processor 826 described with reference to FIG. 26. Wireless communication interface 855 includes a plurality of BB processor 856 as shown in FIG. 27, a plurality of BB processor 856 may, for example, correspond to a plurality of frequency bands eNB830 uses. Although the wireless communication interface 855 in FIG. 27 shows an example including a plurality of BB processor 856, a wireless communication interface 855 may comprise a single BB processor 856.
[0271]
　Connection interface 857 is an interface for base station apparatus 850 (the radio communication interface 855) connected to the RRH860. Connection interface 857 may be a communication module for communicating with the high-speed line which connects the base station apparatus 850 (wireless communication interface 855) and RRH860.
[0272]
　Further, RRH860 comprises a connection interface 861 and a wireless communication interface 863.
[0273]
　Connection interface 861 is an interface for connecting to the base station apparatus 850 RRH860 (wireless communication interface 863). Connection interface 861 may be a communication module for communicating with the high-speed line.
[0274]
　Wireless communication interface 863 sends and receives radio signals via an antenna 840. Wireless communication interface 863 may typically include an RF circuit 864. RF circuit 864, a mixer may include such as filters and amplifiers, for transmitting and receiving radio signals via an antenna 840. Wireless communication interface 863 includes a plurality of RF circuits 864 as shown in FIG. 27, a plurality of RF circuits 864 may correspond for example to a plurality of antenna elements. Although the wireless communication interface 863 in FIG. 27 shows an example including a plurality of RF circuits 864, a wireless communication interface 863 may comprise a single RF circuit 864.
[0275]
　In eNB830 shown in FIG. 27, one or more components (setting unit 1011 and / or the communication control section 1013) contained in the higher layer processing unit 101 or control unit 103 has been described with reference to FIG. 8, the radio communication it may be implemented in the interface 855 and / or wireless communication interface 863. Alternatively, at least some of these components may be implemented in the controller 851. As an example, ENB830 is part of a wireless communication interface 855 (e.g., BB processor 856) or the whole, and mounted / or module including a controller 851, even if the one or more components in the modules are mounted good. In this case, the module stores (in other words, a program for executing the operation of the one or more components to the processor) processor program for functioning as the one or more components, and the program may be an execution. As another example, a program for causing a processor as the one or more components are installed in ENB830, wireless communication interface 855 (e.g., BB processor 856) also and / or controller 851 executes the program good. As described above, ENB830 as a device comprising the one or more components may be the base station device 850 or the module is provided, a program for causing a processor as the one or more components are provided it may be. The readable recording medium recording the program may be provided.
[0276]
　Further, in eNB830 shown in FIG. 27, for example, the receiving unit 105 and the transmitting unit 107 has been described with reference to FIG. 8, the radio communication interface 863 (e.g., RF circuitry 864) may be implemented in. The transmitting and receiving antenna 109 may be implemented in the antenna 840.
[0277]
　　<3.2. Applications> about the terminal apparatus
　　　(first applied example)
　FIG. 28 is a block diagram showing an example of a schematic configuration of the smartphone 900 technology according to the present disclosure may be applied. Smartphone 900, processor 901, memory 902, storage 903, an external connection interface 904, a camera 906, a sensor 907, a microphone 908, an input device 909, display device 910, a speaker 911, a wireless communication interface 912,1 one or more of the antenna switch 915 comprises one or more antennas 916, bus 917, battery 918 and the auxiliary controller 919.
[0278]
　The processor 901 may be, for example, a CPU or SoC (System on Chip), which controls the functions of the application layer and other layers of the smartphone 900. Memory 902 includes RAM and ROM, for storing programs and data executed by the processor 901. Storage 903 may include a storage medium such as a semiconductor memory or a hard disk. External connection interface 904 is an interface for connecting an external device such as a memory card or USB (Universal Serial Bus) device to a smart phone 900.
[0279]
　The camera 906 is, for example, an image pickup element such as CCD (Charge Coupled Device) or CMOS (Complementary Metal Oxide Semiconductor), and generates a captured image. Sensor 907 may include, for example, the positioning sensor, a gyro sensor, the sensor group, such as a geomagnetic sensor and an acceleration sensor. The microphone 908 converts a voice inputted to the smartphone 900 to the audio signal. Input device 909, for example, a touch sensor, a keypad for detecting a touch to the screen of the display device 910, a keyboard includes a button or switch, and accepts an operation or information input from a user. Display device 910 has a screen such as a liquid crystal display (LCD) or organic light emitting diode (OLED) display, and displays the output image of the smartphone 900. Speaker 911 converts the audio signal output from the smart phone 900 to the audio.
[0280]
　Wireless communication interface 912 supports any of the cellular communication system such as LTE or LTE-Advanced, which executes wireless communication. Wireless communication interface 912 typically may include such BB processor 913 and RF circuit 914. BB processor 913, for example, the encoding / decoding may be performed such as modulation / demodulation and multiplexing / demultiplexing, execute various signal processing for wireless communication. On the other hand, RF circuit 914, a mixer may include such as filters and amplifiers, for transmitting and receiving radio signals via an antenna 916. Wireless communication interface 912 may be a one-chip module that integrates BB processor 913 and RF circuit 914. Wireless communication interface 912 may include a plurality of BB processor 913 and a plurality of RF circuits 914 as shown in FIG. 28. Although the wireless communication interface 912 in FIG. 28 shows an example including a plurality of BB processor 913 and a plurality of RF circuits 914, a wireless communication interface 912 includes a single BB processor 913 or a single RF circuit 914 But good.
[0281]
　Further, the wireless communication interface 912, in addition to cellular communication systems, short-range wireless communication system, other types of wireless communication systems, such as the proximity wireless communication system or wireless LAN (Local Area Network) system may support, in this case, it may include a BB processor 913 and RF circuit 914 for each wireless communication system.
[0282]
　Each of the antenna switch 915, a plurality of circuits included in the wireless communication interface 912 (e.g., different circuits for wireless communication system) switches the connection destination of the antenna 916 between.
[0283]
　Each antenna 916, a single or multiple antenna elements (e.g., a plurality of antenna elements of MIMO antennas) have, is used to send and receive radio signals by the wireless communication interface 912. Smartphone 900 may have a plurality of antennas 916 as shown in FIG. 28. Although in FIG. 28 shows an example where the smartphone 900 has a plurality of antennas 916, the smartphone 900 may have a single antenna 916.
[0284]
　Moreover, the smartphone 900 may comprise an antenna 916 for each wireless communication system. In that case, the antenna switch 915 may be omitted from the configuration of the smartphone 900.
[0285]
　Bus 917, a processor 901, memory 902, storage 903, an external connection interface 904, a camera 906, a sensor 907, a microphone 908, an input device 909, display device 910, a speaker 911, connects the wireless communication interface 912 and the auxiliary controller 919 to each other . Battery 918 via a power supply line partially indicated by broken lines in the figure, supplies power to each block of the smartphone 900 shown in FIG. 28. Auxiliary Controller 919, for example, in the sleep mode, to operate the required minimum functionality of the smartphone 900.
[0286]
　In the smartphone 900 shown in FIG. 28, one or more components contained in the upper layer processing unit 201 or control unit 203 has been described with reference to FIG. 9 (setting unit 2011 and / or the communication control section 2013), the radio it may be implemented in the communication interface 912. Alternatively, at least some of these components may be implemented in the processor 901 or the auxiliary controller 919. As an example, a smart phone 900, a portion of the wireless communication interface 912 (e.g., BB processor 913) or the whole, equipped with a module containing the processor 901, and / or the auxiliary controller 919, the one or more components in the module There may be implemented. In this case, the module stores (in other words, a program for executing the operation of the one or more components to the processor) processor program for functioning as the one or more components, and the program may be an execution. As another example, a program for causing a processor as the one or more components are installed on the smartphone 900, a wireless communication interface 912 (e.g., BB processor 913), a processor 901, and / or auxiliary controller 919 is the program may be an execution. As described above, may be provided smart phone 900 or the module is a device provided with the one or more components, the program may be provided for causing a processor as the one or more components. The readable recording medium recording the program may be provided.
[0287]
　Further, in a smart phone 900 shown in FIG. 28, for example, the reception unit 205 and transmission unit 207 has been described with reference to FIG. 9, the wireless communication interface 912 (e.g., RF circuitry 914) may be implemented in. The transmitting and receiving antenna 209 may be implemented in the antenna 916.
[0288]
　　　(Second applied example)
　FIG. 29 is a block diagram showing an example of a schematic configuration of the car navigation device 920 technology according to the present disclosure may be applied. Car navigation device 920, processor 921, memory 922, GPS (Global Positioning System) module 924, sensor 925, data interface 926, content player 927, a storage medium interface 928, an input device 929, display device 930, a speaker 931, a wireless communication an interface 933,1 one or more of the antenna switch 936,1 or more antennas 937 and battery 938.
[0289]
　The processor 921 may be, for example, a CPU or SoC, controls the navigation functions and other functions of the car navigation device 920. Memory 922 includes RAM and ROM, for storing programs and data executed by the processor 921.
[0290]
　GPS module 924 uses the GPS signal received from the GPS satellites, measures the position of the car navigation device 920 (e.g., latitude, longitude and altitude). Sensor 925 is, for example, a gyro sensor may include sensors such as a geomagnetic sensor, and pressure sensor. Data interface 926 is connected to, for example, vehicle network 941 through a terminal (not shown), we obtain the data generated by the vehicle, such as vehicle speed data.
[0291]
　Content player 927, storage medium to be inserted into the storage medium interface 928 (e.g., CD or DVD) to reproduce the content stored in the. Input device 929 may, for example, a touch sensor for detecting a touch on the screen of the display device 930 includes a button or switch, and accepts an operation or information input from a user. Display device 930 has a screen such as an LCD or OLED display, and displays an image of content navigation function or reproducing. Speaker 931 outputs sound of content navigation function or reproducing.
[0292]
　Wireless communication interface 933 supports any of the cellular communication system such as LTE or LTE-Advanced, which executes wireless communication. Wireless communication interface 933 typically may include such BB processor 934 and RF circuit 935. BB processor 934, for example, the encoding / decoding may be performed such as modulation / demodulation and multiplexing / demultiplexing, execute various signal processing for wireless communication. On the other hand, RF circuit 935, a mixer may include such as filters and amplifiers, for transmitting and receiving radio signals via an antenna 937. Wireless communication interface 933 may be a one-chip module that integrates BB processor 934 and RF circuit 935. Wireless communication interface 933 may include a plurality of BB processor 934 and a plurality of RF circuits 935 as shown in FIG. 29. Although the wireless communication interface 933 in FIG. 29 shows an example including a plurality of BB processor 934 and a plurality of RF circuits 935, a wireless communication interface 933 includes a single BB processor 934 or a single RF circuit 935 But good.
[0293]
　Further, the wireless communication interface 933, in addition to cellular communication systems, short-range wireless communication system may support other types of wireless communication systems, such as the proximity wireless communication system or wireless LAN system, in that case, the radio it may include a BB processor 934 and RF circuit 935 for each communication mode.
[0294]
　Each of the antenna switch 936, a plurality of circuits included in the wireless communication interface 933 (e.g., different circuits for wireless communication system) switches the connection destination of the antenna 937 between.
[0295]
　Each antenna 937, a single or multiple antenna elements (e.g., a plurality of antenna elements of MIMO antennas) have, is used to send and receive radio signals by the wireless communication interface 933. Car navigation device 920 may have a plurality of antennas 937 as shown in FIG. 29. Although the car navigation system 920 in FIG. 29 shows an example having a plurality of antennas 937, car navigation device 920 may have a single antenna 937.
[0296]
　Furthermore, car navigation device 920 may comprise an antenna 937 for each wireless communication system. In that case, the antenna switch 936 may be omitted from the configuration of the car navigation device 920.
[0297]
　Battery 938, via a feed line partially indicated by broken lines in the figure, supplies power to each block of the car navigation device 920 shown in FIG. 29. Further, the battery 938 accumulates electric power fed from the vehicle side.
[0298]
　In car navigation device 920 shown in FIG. 29, one or more components (setting unit 2011 and / or the communication control section 2013) contained in the higher layer processing unit 201 or control unit 203 has been described with reference to FIG. 9 it may be implemented in a wireless communication interface 933. Alternatively, at least some of these components may be implemented in the processor 921. As an example, a car navigation device 920, a portion of the wireless communication interface 933 (e.g., BB processor 934) equipped with a module that contains the or all and / or processor 921, the one or more components are mounted in the module it may be. In this case, the module stores (in other words, a program for executing the operation of the one or more components to the processor) processor program for functioning as the one or more components, and the program may be an execution. As another example, a program for causing a processor as the one or more components are installed on the car navigation device 920, a wireless communication interface 933 (e.g., BB processor 934) and / or processor 921 executing the program it may be. As described above, it may be a car navigation device 920 or the module is provided as an apparatus provided with the one or more components, be provided a program for causing a processor as the one or more components good. The readable recording medium recording the program may be provided.
[0299]
　Further, the car navigation apparatus 920 shown in FIG. 29, for example, the reception unit 205 and transmission unit 207 has been described with reference to FIG. 9, the wireless communication interface 933 (e.g., RF circuitry 935) may be implemented in. The transmitting and receiving antenna 209 may be implemented in the antenna 937.
[0300]
　Further, the technology according to the present disclosure includes one or more blocks of the car navigation device 920 described above, the vehicle network 941 may be implemented as an in-vehicle system (or vehicle) 940 that includes a vehicle-side module 942. Vehicle module 942, the vehicle speed, generates a vehicle data such as engine speed or failure information, and outputs the generated data to the vehicle network 941.
[0301]
　<< 4. Conclusion >>
　above with reference to FIGS. 1 to 29 have been described in detail an embodiment of the present disclosure. As explained above, the base station apparatus 1 and the terminal device 2 according to the present embodiment is transmitted to a second direction opposite the first channel to be transmitted to the first direction, or in a first direction a second channel corresponding to the first channel, to control any one transmission and other one reception. Then, the base station apparatus 1 and terminal apparatus 2, the control mode according to such a communication is set to the first mode or the second mode. The base station apparatus 1 and terminal apparatus 2, in the first mode, to transmit and receive in different sub-frame first channel and a second channel. On the other hand, the base station apparatus 1 and terminal apparatus 2, in the second mode, transmitting and receiving a first channel and a second channel in the same subframe. Thus, the radio communication system according to this embodiment, supports a first mode and a second mode. This allows a flexible design for the timing of communication. For more information, each communication device included in the wireless communication system, the transmission timing and transmission timing according to the first mode of the second mode, it is possible to flexibly select. Then, by such a flexible design is possible, it becomes possible to greatly improve the transmission efficiency of the whole system.
[0302]
　Having described in detail preferred embodiments of the present disclosure with reference to the accompanying drawings, the technical scope of the present disclosure is not limited to such an example. It would be appreciated by those skilled in the art of the present disclosure, within the scope of the technical idea described in the claims, it is clear that to cover various modifications, combinations, for these It is also understood to belong to the technical scope of the present disclosure.
[0303]
　Further, the processing in the present specification has been described with reference to flowcharts and sequence diagrams may not be performed in the order always shown. Some process steps may be executed in parallel. Also may be additional processing steps employed, some of the processing steps may be omitted.
[0304]
　The effects described herein are not limiting be those that only illustrative or exemplary. In other words, the technology according to the present disclosure, together with the above effects, or instead of the above effects, can exhibit the apparent other effects to those skilled in the art from the description herein.
[0305]
　Also within the scope of the present disclosure the following configurations.
(1)
　a first channel or any one transmission of the second channel corresponding to the first channel transmitted in a second direction opposite to said first direction and to be transmitted to the first direction a communication control unit for controlling the other one of the reception,
　and a setting unit for setting a control mode by the communication control unit to the first mode or the second mode
comprises a,
　the communication control unit, said first in mode, the first transmit and receive channel and the second channel in different subframes, the in the second mode, the first channel and the second in the same sub-frame and a channel in transmitting and receiving communication devices.
(2)
　said first direction is a downlink, the first channel is a data channel,
　the second direction is uplink, the second channel is a control channel, wherein (1 the communication apparatus according to).
(3)
　In the second mode, the last symbol of the first channel, than the last symbol of the downlink subframe included the first channel is set to previous position, the ( the communication apparatus according to 2).
(4)
　The last symbol of the first channel is set unique to the terminal device-specific or base station, a communication apparatus according to (3).
(5)
　In the first mode, the last symbol of the first channel is set to the same position as the last symbol of the downlink subframe included the first channel, said (2) communication apparatus according to any one of - (4).
(6)
　the first direction is a downlink, the first channel is a control channel,
　the second direction is uplink, the second channel is a data channel, wherein (1 the communication apparatus according to).
(7)
　In the second mode, the first symbol of the second channel is set to a position later than the first symbol of the uplink subframe included the second channel, the ( the communication apparatus according to 6).
(8)
　The first symbol of the second channel are unique to the terminal device-specific or base station, a communication apparatus according to (7).
(9)
　In the first mode, the first symbol of the second channel is set to the same position as the first symbol of the uplink subframe included the second channel, the (6) communication apparatus according to any one of - (8).
(10)
　the first direction and the second direction is the direction of the respective opposite the side links, communication apparatus according to (1).
(11)
　the control mode, the default the first mode is set in, the second mode is set when a predetermined condition is satisfied, any one of (1) to (10) the communication apparatus according to.
(12)
　the control mode, RRC is set in accordance with (Radio Resource Control) state, the (1) communication device according to any one of - (11).
(13)
　The control mode is set in accordance with Duplexing scheme, the (1) communication device according to any one of - (12).
(14)
　The control mode is set in accordance with sub-carrier spacing, wherein (1) a communication device according to any one of - (13).
(15)
　the control mode, TTI (Transmission Time Interval) is set according to the length, the (1) communication device according to any one of - (14).
(16)
　the setting unit sets the control mode on the basis of the notified setup information from another communication device of the communication partner, wherein (1) a communication device according to any one of - (15).
(17)
　the setting unit, if you set the second mode based on the setting information, switches to the first mode in accordance with the type of channel to be transmitted, the communication according to (16) apparatus.
(18)
　the setting unit, if you set the second mode based on the setting information, switches to the first mode in accordance with the size of data to be transmitted or received, the (16) or ( the communication apparatus according to 17).
(19)
　the setting unit, if you set the second mode based on the setting information, switches to the first mode according to the value of the timing advance to be set, the (16) - ( communication apparatus according to any one of 18).
(20)
　the setting unit, if you set the second mode based on the setting information, and switches to the first mode in accordance with the RNTI used for scrambling the control channel of the downlink, including the scheduling information , (16) a communication device according to any one of - (19).
(21)
　the setting unit, a downlink control channel including scheduling information, when using the RNTI used to transmit broadcast information is scrambled, switches to the first mode, the (20) the communication apparatus according to.
(22)
　the setting unit, if you set the second mode based on the setting information, and switches to the first mode in accordance with the search space that the downlink control channel including scheduling information is mapped , (16) a communication device according to any one of - (21).
(23)
　the setting unit, when the downlink control channel including scheduling information is mapped to the common search space, switches to the first mode, the communication apparatus according to (22).
(24)
　the setting unit notifies the setting information indicating whether to set which control mode to another communication apparatus of the communication partner, wherein (1) a communication device according to any one of - (23).
(25)
　physical resources of the control channel of the uplink, the subframes of the uplink are multiplexed on the data channel and the frequency domain or the time domain in the uplink, any one of (1) to (24) the communication apparatus according to.
(26)
　the first channel or any one transmission of the second channel corresponding to the first channel transmitted in a second direction opposite to said first direction and to be transmitted to the first direction and controlling the processor to other one of the reception,
　and setting the control mode to the first mode or second mode,
wherein the
　to the control, in the first mode, the first and receive the first channel and the second channel in different subframes, the in the second mode, to transmit and receive said first channel and said second channel in the same subframe, the communication method, including.
(27)
　computer,
　the first channel or the second channel any one of which corresponds to the first channel transmitted in a second direction opposite to said first direction to be transmitted to the first direction a communication control unit for controlling the transmission and other one reception,
　a setting unit for setting a control mode by the communication control unit to the first mode or the second mode,
to function as,
　the communication control unit, wherein in the first mode, the first transmit and receive and the channel second channel in different subframes, the in the second mode, the same and said first channel and said second channel the transmitted and received within a subframe, as a recording medium for recording a program to function.
DESCRIPTION OF SYMBOLS
[0306]
　1 the base station apparatus
　101 upper layer processing unit
　1011 setting unit
　1013 communication control unit
　103 control unit
　receiving section 105
　decoding section 1051
　1053 demodulator
　1055 demultiplexing unit
　1057 radio receiver
　1059 channel measurement unit
　107 transmission unit
　1071 coding unit
　1073 modulation part
　1075 multiplexing unit
　1077 radio transmitting unit
　1079 downlink reference signal generating section
　109 receiving antenna
　2 terminal apparatus
　201 upper layer processing unit
　2011 setting unit
　2013 communication control unit
　203 the control unit
　205 receiving unit
　2051 decoder
　2053 demodulator
　2055 demultiplexing unit
　2057 radio reception section
　2059 channel measurement unit
　207 transmission unit
　2071 coding unit
　2073 modulation unit
　2075 multiplexing section
　2077 radio transmitting unit
　2079 uplink reference signal generation unit
　209 receiving antenna

The scope of the claims
[Requested item 1]
　First first channel or said first second second one one transmission and other one of the channel corresponding to the first channel to be transmitted in the direction opposite to the direction in which it is transmitted in the direction a communication control unit for controlling the reception of
　a setting unit that sets a control mode according to the communication control unit to the first mode or the second mode
comprises a,
　the communication control unit, in the first mode and receives said first channel and said second channel in different subframes in the second mode, to transmit and receive said first channel and said second channel in the same subframe ,Communication device.
[Requested item 2]
　Said first direction is a downlink, the first channel is a data channel,
　the second direction is uplink, the second channel is a control channel, according to claim 1 Communication device.
[Requested item 3]
　Wherein in the second mode, the last symbol of the first channel, the set prior position than the last symbol of the first downlink subframe in which the channel includes, according to claim 2 communication device.
[Requested item 4]
　The last symbol of the first channel, are unique to the terminal device-specific or base station, a communication apparatus according to claim 3.
[Requested item 5]
　Wherein in the first mode, the last symbol of the first channel, the is set to the same position as the last symbol of the first downlink subframe in which the channel includes a communication according to claim 2 apparatus.
[Requested item 6]
　Said first direction is a downlink, the first channel is a control channel,
　the second direction is uplink, the second channel is a data channel, according to claim 1 Communication device.
[Requested item 7]
　Wherein in the second mode, the first symbol of the second channel, wherein is set to a position later than the first symbol of the second uplink sub-frame in which the channel includes, according to claim 6 communication device.
[Requested item 8]
　The first symbol of the second channel are unique to the terminal device-specific or base station, a communication apparatus according to claim 7.
[Requested item 9]
　Wherein in the first mode, the first symbol of the second channel, wherein is set to the same position as the first symbol of the second uplink sub-frame in which the channel includes a communication according to claim 6 apparatus.
[Requested item 10]
　The first direction and the second direction is the direction of the respective opposite the side links, communication apparatus according to claim 1.
[Requested item 11]
　The control mode is the default the first mode is set, the predetermined condition is the second mode is set when it is satisfied, the communication apparatus according to claim 1.
[Requested item 12]
　The control mode is set in accordance with RRC (Radio Resource Control) state, the communication apparatus according to claim 1.
[Requested item 13]
　The control mode is set in accordance with Duplexing scheme, the communication apparatus according to claim 1.
[Requested item 14]
　The control mode is set in accordance with sub-carrier interval, the communication apparatus according to claim 1.
[Requested item 15]
　The control mode, TTI (Transmission Time Interval) is set in accordance with the length, the communication apparatus according to claim 1.
[Requested item 16]
　The setting unit sets the control mode based on other notified setting information from the communication device of the communication partner, the communication device according to claim 1.
[Requested item 17]
　The setting unit, if you set the second mode based on the setting information, switches to the first mode in accordance with the type of channel to be transmitted, the communication apparatus according to claim 16.
[Requested item 18]
　The setting unit, if you set the second mode based on the setting information, switches to the first mode in accordance with the size of data to be transmitted or received, the communication apparatus according to claim 16.
[Requested item 19]
　The setting unit, if you set the second mode based on the setting information, switches to the first mode according to the value of the timing advance to be set, the communication apparatus according to claim 16.
[Requested item 20]
　The setting unit, if you set the second mode based on the setting information, and switches to the first mode in accordance with the RNTI used for scrambling the control channel of the downlink, including the scheduling information, claims the communication apparatus according to 16.
[Requested item 21]
　The setting unit, a downlink control channel including scheduling information, if it is scrambled with the RNTI used to transmit broadcast information, to switch to the first mode, the communication of claim 20 apparatus.
[Requested item 22]
　The setting unit, if you set the second mode based on the setting information, and switches to the first mode in accordance with the search space that the downlink control channel including scheduling information is mapped, claims the communication apparatus according to 16.
[Requested item 23]
　The setting unit, when the downlink control channel including scheduling information is mapped to the common search space, switches to the first mode, the communication apparatus according to claim 22.
[Requested item 24]
　The setting unit notifies the setting information indicating whether to set which control mode to another communication apparatus of the communication partner, the communication device according to claim 1.
[Requested item 25]
　Physical resources of the control channel of the uplink, the subframes of the uplink are multiplexed on the data channel and the frequency domain or the time domain of the uplink, the communication device according to claim 1.
[Requested item 26]
　First first channel or said first second second one one transmission and other one of the channel corresponding to the first channel to be transmitted in the direction opposite to the direction in which it is transmitted in the direction and that the reception is controlled by the processor,
　and setting the control mode to the first mode or second mode,
wherein the
　to the control, the in the first mode, the first channel transmitted and received on the sub-frame that is different and said second channel and said in the second mode, the communication method comprising, for transmitting and receiving said first channel and said second channel in the same subframe .
[Requested item 27]
　The computer,
　the first channel or any one transmission of the second channel corresponding to the first channel transmitted in a second direction opposite to said first direction and to be transmitted to the first direction a communication control unit for controlling the other one of the reception,
　and a setting unit for setting a control mode by the communication control unit to the first mode or the second mode,
to function as,
　the communication control unit, the first in the mode, the first transmit and receive and the channel second channel in different subframes, the in the second mode, the first channel and the second same sub-frame and a channel transmitted and received within, as a recording medium recording a program to function.