Technical field
[0001]
The present invention relates to the field of communications, in particular to a data transmission method and device.
Background technique
[0002]
3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) is studying related topics of next-generation wireless communication systems. In the next-generation wireless communication system, for example, in the New Radio (NR) system, a synchronization signal block (Sychronization Signal Block, SSB) in a cycle is transmitted in a half sub-frame, The length of one half subframe is 5ms.
[0003]
In the NR system, for different frequency bands and subcarrier intervals, the time domain position of the SSB in a half-subframe is predefined, and the SSB at different time domain positions is represented by the SSB index (SSB index), and the demodulation in one SSB The reference signal (Demodulation Reference Sgnal, DMRS) and the physical broadcast channel (Physical Broadcast Channel, PBCH) may indicate the SSB index corresponding to the SSB. For example, for the frequency band of 3 to 6 GHz, one half subframe includes the time domain positions of the pre-defined 8 SSBs, and the 8 SSBs correspond to the SSB index with a value of 0 to 7 in a one-to-one correspondence. Therefore, after a user equipment (User Equipment, UE) receives an SSB, it can determine the half-subframe timing according to the SSB index corresponding to the SSB, and then can determine the frame timing in combination with other information.
[0004]
It should be noted that the above introduction to the technical background is only for the convenience of a clear and complete description of the technical solution of the present invention, and to facilitate the understanding of those skilled in the art. It should not be considered that the above technical solutions are well-known to those skilled in the art just because these solutions are described in the background art part of the present invention.
[0005]
Summary of the invention
[0006]
The inventor found that in the NR system, only the licensed frequency band was considered for the design of the SSB. For example, for the 3-6 GHz frequency band, 8 predefined SSBs are included in one half subframe. In the licensed frequency band, the network equipment (Network Equipment) can predetermine and guarantee whether to send an SSB.
[0007]
However, in some frequency bands, such as unlicensed bands or sharing bands, in order to share spectrum resources fairly and efficiently, the device needs to determine that the channel is not occupied by other devices through the channel access method/process Send data, therefore, the network device may not be able to send SSB because the channel is occupied by other devices. In addition, the transmission power of the SSB and the number of SSBs that can be sent within a certain period or the length of time may also be limited by regulatory requirements. Therefore, if the SSB design in the NR system is directly adopted, it may not be possible to guarantee cell coverage in certain frequency bands.
[0008]
In order to solve at least one of the above-mentioned problems, embodiments of the present invention provide a data transmission method and device.
[0009]
According to a first aspect of the embodiments of the present invention, there is provided a data transmission device, which is provided on the side of a network device, and the device includes: a first sending unit configured to send a data corresponding to the first transmission in a first transmission window At least one SSB in the second SSB set of the window, or no SSB is sent; wherein, the second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to the first SSB set. A different time domain position of the transmission window.
[0010]
According to a second aspect of the embodiments of the present invention, there is provided a data transmission device, which is provided on the user equipment side, and the device includes: a transceiving unit, which is configured to perform data transmission according to the time domain position and/or the SSB in the second SSB set. Quasi co-location relationship, receiving downlink signals and/or channels or sending uplink signals and/or channels, the second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to one transmission Different time domain positions of the window.
[0011]
According to a third aspect of the embodiments of the present invention, there is provided a network device including the apparatus according to the first aspect of the embodiments of the present invention.
[0012]
According to the fourth aspect of the embodiments of the present invention, there is provided a user equipment including the apparatus according to the second aspect of the embodiments of the present invention.
[0013]
According to the fifth aspect of the embodiments of the present invention, a communication system is provided, the communication system includes the network device according to the third aspect of the embodiments of the present invention and/or the fourth aspect of the embodiments of the present invention User equipment.
[0014]
According to a sixth aspect of the embodiments of the present invention, there is provided a data transmission method, which is applied to a network device side, and the method includes: sending, in a first transmission window, data in a second SSB set corresponding to the first transmission window At least one SSB, or no SSB is sent; wherein, the second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of the first transmission window .
[0015]
According to a seventh aspect of the embodiments of the present invention, there is provided a data transmission method applied to a user equipment side. The method includes: receiving according to the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set Downlink signals and/or channels or sending uplink signals and/or channels, the second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window .
[0016]
According to an eighth aspect of the embodiments of the present invention, there is provided a computer-readable program, wherein when the program is executed in a data transmission apparatus or network device, the program causes the data transmission apparatus or network device to execute the present invention The data transmission method described in the sixth aspect of the embodiment.
[0017]
According to a ninth aspect of the embodiments of the present invention, there is provided a storage medium storing a computer-readable program, wherein the computer-readable program enables the data transmission apparatus or network device to execute the sixth aspect of the embodiments of the present invention Data transfer method.
[0018]
According to a tenth aspect of the embodiments of the present invention, there is provided a computer-readable program, wherein when the program is executed in a data transmission apparatus or user equipment, the program causes the data transmission apparatus or user equipment to execute the present invention The data transmission method described in the seventh aspect of the embodiment.
[0019]
According to the eleventh aspect of the embodiments of the present invention, there is provided a storage medium storing a computer readable program, wherein the computer readable program enables the data transmission apparatus or user equipment to execute the seventh aspect of the embodiments of the present invention. The data transmission method described.
[0020]
The beneficial effect of the embodiment of the present invention is that by setting a first SSB set corresponding to one transmission window and a second SSB set that is a subset of the first SSB set, and sending the data in the second SSB set in the transmission window At least one SSB can adapt to cell coverage in different situations and improve the flexibility of resource scheduling.
[0021]
With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the ways in which the principles of the present invention can be adopted. It should be understood that the scope of the embodiments of the present invention is not limited thereby. Within the spirit and scope of the terms of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents.
[0022]
Features described and/or shown for one embodiment can be used in one or more other embodiments in the same or similar manner, combined with features in other embodiments, or substituted for features in other embodiments .
[0023]
It should be emphasized that the term "comprising/comprising/having" when used herein refers to the existence of a feature, a whole, a step or a component, but does not exclude the existence or addition of one or more other features, a whole, a step or a component.
Description of the drawings
[0024]
The elements and features described in one drawing or one embodiment of the embodiment of the present invention may be combined with the elements and features shown in one or more other drawings or embodiments. In addition, in the drawings, similar reference numerals indicate corresponding parts in several drawings, and may be used to indicate corresponding parts used in more than one embodiment.
[0025]
The included drawings are used to provide a further understanding of the embodiments of the present invention, which constitute a part of the specification, are used to illustrate the embodiments of the present invention, and together with the text description, explain the principle of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor. In the attached picture:
[0026]
Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present invention;
[0027]
FIG. 2 is a schematic diagram of a data transmission method according to Embodiment 1 of the present invention;
[0028]
3 is a schematic diagram of the transmission window and the first SSB set in Embodiment 1 of the present invention;
[0029]
4 is another schematic diagram of the first SSB set of Embodiment 1 of the present invention;
[0030]
5 is a schematic diagram of the SSB in the first transmission window of Embodiment 1 of the present invention;
[0031]
6 is a schematic diagram of indicating a second SSB set according to Embodiment 1 of the present invention;
[0032]
FIG. 7 is another schematic diagram of indicating a second SSB set according to Embodiment 1 of the present invention;
[0033]
FIG. 8 is another schematic diagram of indicating a second SSB set according to Embodiment 1 of the present invention;
[0034]
FIG. 9 is another schematic diagram of indicating a second SSB set according to Embodiment 1 of the present invention;
[0035]
10 is a schematic diagram indicating the quasi co-location relationship between SSBs of the second SSB set according to Embodiment 1 of the present invention;
[0036]
11 is another schematic diagram indicating the quasi co-location relationship between SSBs of the second SSB set according to Embodiment 1 of the present invention;
[0037]
FIG. 12 is a schematic structural diagram of the SSB of Embodiment 1 of the present invention;
[0038]
FIG. 13 is a schematic diagram of the first SSB set according to Embodiment 1 of the present invention;
[0039]
FIG. 14 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention;
[0040]
15 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention;
[0041]
FIG. 16 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention;
[0042]
FIG. 17 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention;
[0043]
FIG. 18 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention;
[0044]
19 is a schematic diagram of a data transmission method according to Embodiment 2 of the present invention;
[0045]
20 is a schematic diagram of a data transmission method according to Embodiment 3 of the present invention;
[0046]
FIG. 21 is a schematic diagram of a data transmission device according to Embodiment 4 of the present invention;
[0047]
22 is a schematic diagram of a data transmission device according to Embodiment 5 of the present invention;
[0048]
FIG. 23 is a schematic diagram of a structure of a network device according to Embodiment 6 of the present invention;
[0049]
24 is a schematic block diagram of the system configuration of user equipment according to Embodiment 7 of the present invention;
[0050]
25 is a schematic diagram of the structure of the DRS of Embodiment 1 of the present invention;
[0051]
FIG. 26 is a schematic diagram of the correspondence between the PDCCH monitoring occasion corresponding to the SI and the SSB in the second SSB set according to Embodiment 2 of the present invention.
Detailed ways
[0052]
With reference to the drawings, the foregoing and other features of the present invention will become apparent through the following description. In the specification and drawings, specific embodiments of the present invention are specifically disclosed, which indicate some embodiments in which the principles of the present invention can be adopted. It should be understood that the present invention is not limited to the described embodiments. On the contrary, the present invention is not limited to the described embodiments. The invention includes all modifications, variations and equivalents falling within the scope of the appended claims.
[0053]
In the embodiments of the present invention, the terms "first", "second", etc. are used to distinguish different elements in terms of appellations, but they do not indicate the spatial arrangement or chronological order of these elements. These elements should not be referred to by these terms. Limited. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising", "including", "having" and the like refer to the existence of the stated features, elements, elements or components, but do not exclude the presence or addition of one or more other features, elements, elements or components.
[0054]
In the embodiments of the present invention, the singular forms "a", "the", etc. include plural forms, and should be broadly understood as "a" or "a type" rather than being limited to the meaning of "a"; in addition, the term "so" "Said" should be understood to include both singular and plural forms, unless the context clearly indicates otherwise. In addition, the term "based on" should be understood as "based at least in part on...", and the term "based on" should be understood as "based at least in part on...", unless the context clearly dictates otherwise.
[0055]
In the embodiment of the present invention, the term "communication network" or "wireless communication network" may refer to a network that complies with any of the following communication standards, such as Long Term Evolution (LTE), and Enhanced Long Term Evolution (LTE-A, LTE- Advanced), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), High-Speed ​​Packet Access (HSPA, High-Speed ​​Packet Access), etc.
[0056]
Moreover, the communication between devices in the communication system can be carried out according to any stage of communication protocol, for example, it can include but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G and future 5G, New Radio (NR, New Radio), etc., and/or other communication protocols currently known or to be developed in the future.
[0057]
In the embodiment of the present invention, the term "network device" refers to, for example, a device in a communication system that connects a user equipment to a communication network and provides services for the user equipment. Network equipment may include but is not limited to the following equipment: base station (BS, Base Station), access point (AP, Access Point), transmission and reception point (TRP, Transmission Reception Point), broadcast transmitter, mobile management entity (MME, Mobile Management Entity), gateway, server, radio network controller (RNC, Radio Network Controller), base station controller (BSC, Base Station Controller), etc.
[0058]
Among them, the base station may include, but is not limited to: Node B (NodeB or NB), evolved Node B (eNodeB or eNB), 5G base station (gNB), etc., and may also include remote radio head (RRH, Remote Radio Head) , Remote Radio Unit (RRU, Remote Radio Unit), relay (relay) or low-power node (such as femto, pico, etc.). And the term "base station" can include some or all of their functions, and each base station can provide communication coverage for a specific geographic area. The term "cell" may refer to a base station and/or its coverage area, depending on the context in which the term is used.
[0059]
In the embodiment of the present invention, the term "User Equipment" (UE, User Equipment) refers to, for example, a device that accesses a communication network through a network device and receives network services, and may also be referred to as "Terminal Equipment" (TE, Terminal Equipment). The terminal device may be fixed or mobile, and may also be called a mobile station (MS, Mobile Station), terminal, subscriber station (SS, Subscriber Station), access terminal (AT, Access Terminal), station, etc.
[0060]
Among them, terminal devices may include but are not limited to the following devices: cellular phones (Cellular Phone), personal digital assistants (PDAs, Personal Digital Assistant), wireless modems, wireless communication devices, handheld devices, machine-type communication devices, laptop computers, Cordless phones, smart phones, smart watches, digital cameras, etc.
[0061]
For another example, in scenarios such as the Internet of Things (IoT, Internet of Things), the terminal device may also be a machine or device that performs monitoring or measurement. For example, it may include, but is not limited to: Machine Type Communication (MTC) terminals, Vehicle-mounted communication terminals, device to device (D2D, Device to Device) terminals, machine to machine (M2M, Machine to Machine) terminals, etc.
[0062]
The following describes the scenarios of the embodiments of the present invention through examples, but the present invention is not limited to this.
[0063]
FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention, which schematically illustrates a case where user equipment and network equipment are taken as examples. As shown in FIG. 1, the communication system 100 may include: a network equipment 101 and a user equipment 102. For simplicity, FIG. 1 only uses one user equipment as an example for illustration. The network device 101 is, for example, a network device gNB of NR.
[0064]
In the embodiment of the present invention, existing services or services that can be implemented in the future can be performed between the network device 101 and the user equipment 102. For example, these services include but are not limited to: enhanced mobile broadband (eMBB, enhanced Mobile Broadband), massive machine type communication (mMTC, massive machine type communication), and highly reliable and low-latency communication (URLLC, Ultra-Reliable and Low- Latency Communication), etc.
[0065]
Among them, the user equipment 102 may send data to the network device 101, for example, using an unauthorized transmission method. The user equipment 101 may receive data sent by one or more user equipment 102, and feedback information (for example, acknowledgement ACK/non-acknowledgement NACK) information to the user equipment 102, and the user equipment 102 may confirm the end of the transmission process according to the feedback information, or may further Perform new data transmission, or data retransmission can be performed.
[0066]
Various implementations of the embodiments of the present invention will be described below with reference to the accompanying drawings. These embodiments are only exemplary, and are not limitations to the present invention.
[0067]
Example 1
[0068]
The embodiment of the present invention provides a data transmission method, which is applied to the network device side.
[0069]
FIG. 2 is a schematic diagram of a data transmission method according to Embodiment 1 of the present invention. As shown in FIG. 2, the method includes:
[0070]
Step 201: Send at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window, or send no SSB; wherein, the second SSB set is a subset of the first SSB set, and Each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[0071]
In this way, by setting a first SSB set corresponding to one transmission window and a second SSB set that is a subset of the first SSB set, and sending at least one SSB in the second SSB set in the transmission window, it is possible to adapt to different In the case of cell coverage and improve the flexibility of resource scheduling. In this embodiment, the first transmission window may be any one of a plurality of transmission windows, and the plurality of transmission windows are set at a certain periodic interval on the time axis.
[0072]
In this embodiment, the time domain position, QCL relationship, and the number of SSBs sent in different transmission windows may be the same or different.
[0073]
In this embodiment, a transmission window may be a periodic time transmission unit. For example, the transmission window is an SSB transmission window, a DRS (demodulation reference signal, Demodulation Reference Signal) transmission window, a half subframe, and a subframe. one of.
[0074]
In this embodiment, each SSB in the first SSB set corresponds to a different time domain position of the first transmission window. The number of SSBs in the first SSB set can be set according to actual needs.
[0075]
For example, the number of SSBs in the first SSB set may be more than 8, such as 16, 32, or 64.
[0076]
In this embodiment, the first SSB set is predefined.
[0077]
Here, the pre-defined refers to at least one of the number of SSBs included in the first SSB set, the time domain location, and the quasi co-location relationship defined in the standard. The first SSB set is, for example, defined according to the regulatory requirements of unlicensed frequency bands, so as to share spectrum resources as fairly as possible.
[0078]
In this embodiment, according to the quasi co-location relationship between SSBs, that is, according to the spatial information corresponding to the SSBs, such as the second index, beam identification, the SSBs corresponding to the same and unique spatial information are quasi co-located.
[0079]
For example, the first SSB set is related to the frequency band (or frequency range) and/or sub-carrier spacing (SCS), that is, the corresponding first set is defined for different frequency bands (or frequency ranges) and/or sub-carrier spacing. SSB collection.
[0080]
Take frequency bands as an example. For example, for frequency bands F1 to F2 kHz, the first SSB set includes 8 SSBs of SSB1 to SSB8, and for frequency bands F3 to F4 kHz, the second SSB set includes 16 SSBs of SSB1 to SSB16. For other frequency bands, similar settings can be made.
[0081]
For example, for the time domain position of the SSB, the corresponding relationship between the SSB and the first index is predefined, or the relationship between the SSB and the second index and the third index is predefined;
[0082]
Regarding the quasi co-location relationship of the SSB, the corresponding relationship between the SSB and the second index is predefined.
[0083]
In this embodiment, each SSB in the first SSB set corresponds to a different time domain position of the first transmission window. The different time domain positions here mean that they are not completely the same, that is, the first SSB set The time domain positions of any two SSBs in can be spaced apart or partially overlapped.
[0084]
FIG. 3 is a schematic diagram of the transmission window and the first SSB set in Embodiment 1 of the present invention. As shown in FIG. 3, a plurality of transmission windows are periodically set on the time axis, and a period T is, for example, 40 ms. The first transmission window is one of multiple transmission windows, and corresponds to the first transmission window. The first SSB set includes 16 SSBs, and the 16 SSBs are spaced apart from each other in the time domain.
[0085]
FIG. 4 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in FIG. 4, the first SSB set includes 16 SSBs, and these 16 SSBs partially overlap in the time domain.
[0086]
In this embodiment, the SSB in the first SSB set may be called a nominal SSB (nominal SSB), but the name is only to distinguish it from the existing SSB, and other names may also be used.
[0087]
In this embodiment, the second SSB set is a subset of the first SSB set. For example, the second SSB set may be the first SSB set itself, or it may be a proper subset of the first SSB set, that is, it contains the first SSB set. Part of the SSB set SSB.
[0088]
In this embodiment, the SSB in the second SSB set can be called candidate SSB (candidate SSB), but the name is only to distinguish it from the existing SSB and the SSB in the first SSB set, and other SSBs can also be used. name.
[0089]
For example, for a certain SSB in the first SSB set, it is a nominal SSB, and if the nominal SSB belongs to the second SSB set, the nominal SSB is also a candidate SSB at the same time.
[0090]
In step 201, at least one SSB in the second SSB set corresponding to the first transmission window is sent in the first transmission window.
[0091]
In this embodiment, for an unlicensed frequency band or a shared frequency band, at least one SSB in the second SSB set corresponding to the first transmission window is sent in the first transmission window according to the channel detection result, or no SSB is sent.
[0092]
Wherein, the second SSB set includes at least one SSB.
[0093]
For example, when none of the time domain positions corresponding to the SSB in the second SSB set in the first transmission window can access the channel, the SSB is not sent.
[0094]
For example, for the first transmission window, the minimum number of SSB transmissions I can be set, and if the SSB is transmitted in the first transmission window, at least I is transmitted. When the base station fails to access the channel before the time domain position corresponding to the first SSB in the second SSB set in the second SSB set in the first transmission window, the SSB is not sent.
[0095]
At this time, the number of SSBs with non-overlapping time domain positions in the second SSB set is greater than or equal to 1. The minimum number of transmissions I is predefined.
[0096]
Here, the pre-defined refers to a specific value of I defined in the standard. For example, I is defined in accordance with the regulatory requirements of unlicensed frequency bands to share spectrum resources as fairly as possible.
[0097]
For example, I is related to the frequency band (or frequency range) and/or sub-carrier spacing (SCS), that is, the corresponding minimum number of transmission I is defined for different frequency bands (or frequency ranges) and/or sub-carrier spacing. .
[0098]
Take the frequency band as an example. For example, for the frequency band F1 to F2 kHz, I=4, and for the frequency band F3 to F4 kHz, I=2. For other frequency bands, similar settings can be made.
[0099]
In this embodiment, for the first transmission window, the maximum number of SSBs to be sent can be set, denoted as X.
[0100]
Among them, the maximum sending number X is predefined. Here, the pre-defined refers to the specific value of X defined in the standard, and X is defined according to the regulatory requirements of unlicensed frequency bands, for example, so as to share spectrum resources as fairly as possible.
[0101]
For example, X is related to the frequency band (or frequency range) and/or sub-carrier spacing (SCS), that is, the corresponding maximum transmission number X is defined for different frequency bands (or frequency ranges) and/or sub-carrier spacing. .
[0102]
Take the frequency band as an example. For example, for the frequency band F1 to F2 kHz, X=8, and for the frequency band F3 to F4 kHz, X=4. For other frequency bands, similar settings can be made.
[0103]
For example, the number of SSBs in the second SSB set is greater than or equal to the maximum transmission number corresponding to the second SSB set.
[0104]
FIG. 5 is a schematic diagram of the SSB in the first transmission window of Embodiment 1 of the present invention. As shown in FIG. 5, a plurality of transmission windows are periodically set on the time axis, and a period T is, for example, 40 ms. The first transmission window is one of multiple transmission windows, corresponding to the first transmission window. The first SSB set contains 16 SSBs, the second SSB set contains 8 SSBs, and the transmitted SSBs are 4 SSBs, namely X=4.
[0105]
In this embodiment, the number of SSBs in the second SSB set may also be related to the maximum number X to be sent. For example, in order to have sufficient SSB transmission opportunities to ensure cell coverage in the unlicensed frequency band, the number of SSBs in the second SSB set is greater than the maximum number of transmission X. That is, at least one SSB in the second SSB set may not be sent in the first transmission window.
[0106]
In this embodiment, the second SSB set or the two SSBs in the first SSB set are quasi-collocation (QCL). That is, in the second SSB set or in the first SSB set, there are at least two quasi-co-located SSBs. In this embodiment, as shown in FIG. 2, the method may further include:
[0107]
Step 202: Generate at least one SSB in the second SSB set corresponding to the first transmission window.
[0108]
In this embodiment, the relationship between step 202 and step 201 is not limited.
[0109]
For example, the second SSB set corresponding to the first transmission window includes four SSBs, SSB1, SSB2, SSB3, and SSB4. For the first transmission window, SSB1, SSB2, SSB3, and SSB4 are generated through step 202, and SSB1 and SSB4 are sent in step 201. SSB4, SSB2 and SSB3 are not sent, or SSB2 and SSB3 are sent, SSB1 and SSB4 are not sent.
[0110]
For another example, the second SSB set corresponding to the first transmission window includes four SSBs, SSB1, SSB2, SSB3, and SSB4. For the first transmission window, SSB1 may be generated first through step 202, and then the SSB1 is sent in step 201. , And then generate SSB2 in step 202, and then send the SSB2 in step 202.
[0111]
For another example, the second SSB set corresponding to the first transmission window includes four SSBs, SSB1, SSB2, SSB3, and SSB4, but in step 202, only SSB1 and SSB2 are generated, but SSB3 and SSB4 are not generated.
[0112]
In this embodiment, the second SSB set is predefined or pre-configured.
[0113]
For the predefined situation, the SSBs included in the second SSB set are defined in the standard based on the first SSB set.
[0114]
Here, the pre-definition refers to at least one of the number of SSBs included in the second SSB set, the position in the time domain, and the quasi co-location relationship defined in the standard. The second SSB set is, for example, defined according to unlicensed frequency band regulatory requirements, so as to share spectrum resources as fairly as possible.
[0115]
For example, the second SSB set is related to the frequency band (or frequency range) and/or sub-carrier spacing (SCS), that is, the corresponding second set is defined for different frequency bands (or frequency ranges) and/or sub-carrier spacing. SSB collection.
[0116]
Taking frequency bands as an example, for example, for frequency bands F1 to F2 kHz, the second SSB set includes SSB1 and SSB2, and for frequency bands F3 to F4 kHz, the second SSB set includes SSB1, SSB2, SSB3, and SSB4. For other frequency bands, similar settings can be made. In the case of pre-configuration, as shown in Figure 2, the method may also include:
[0117]
Step 203: Send first indication information; the first indication information indicates the second SSB set.
[0118]
For example, before step 201 and step 202, step 203 is performed, that is, the network device pre-configures the second SSB set and informs the UE of the second SSB set.
[0119]
In this embodiment, the first indication information may be sent through high-level signaling or physical layer instructions.
[0120]
For example, the high-level signaling is RRC signaling or MAC CE.
[0121]
In this embodiment, the first indication information corresponds to the first parameter or the second parameter, the first parameter is an existing parameter, and the second parameter is a new parameter. That is, the first indication information uses the first parameter or the second parameter.
[0122]
In this embodiment, the existing parameter is an IE (information element) already supported by RRC signaling in Rel-15NR. Using (or reusing) an existing parameter refers to the use of a parameter with the same name as an existing parameter, and the information and/or indication method it refers to can be different according to the actual situation, for example, for authorized frequency bands and unlicensed frequency bands , The information and/or indication method referred to by the existing parameter is different.
[0123]
In this embodiment, using the new parameter refers to using the newly introduced parameter IE.
[0124]
For example, in the case of sending the first indication information through RRC signaling, an existing parameter, such as ssb-PositionsInBurst, may be used for indication, or a new parameter, such as ssb-PositionsinBurst-NRU may also be used for indication.
[0125]
For example, for a licensed frequency band, ssb-PositionsInBurst indicates a set consisting of sent SSB; for an unlicensed frequency band, ssb-PositionsInBurst (new parameter, such as ssb-PositionsinBurst-NRU) indicates the above-mentioned second SSB set (candidate SSB set) ).
[0126]
For another example, for an unlicensed frequency band, ssb-PositionsInBurst (a new parameter, such as ssb-PositionsinBurst-NRU) indicates that the SSB sent in the second SSB set depends on channel access, or depends on channel access and the above-mentioned maximum number of transmissions. Number of SSBs; for licensed frequency bands, it does not depend on channel access or the above-mentioned maximum number of SSBs to be sent.
[0127]
For another example, for licensed frequency bands, the time domain positions of SSBs in an SSB set indicated by ssb-PositionsInBurst cannot overlap; for unlicensed frequency bands, ssb-PositionsInBurst (new parameters, such as ssb-PositionsinBurst-NRU) indicates an SSB set The time domain positions of the SSBs in can overlap.
[0128]
For another example, for Rel-15, for Rel-15, the ssb-PositionsInBurst indication includes a set of sent SSB; for Rel-16 or other subsequent versions, ssb-PositionsInBurst (new parameters, such as ssb-PositionsinBurst-NRU) Indicates the above-mentioned second SSB set (a set of candidate SSBs).
[0129]
For another example, for Rel-15, ssb-PositionsInBurst (new parameters, such as ssb-PositionsinBurst-NRU) indicates that the SSB sent in the second SSB set depends on channel access, or depends on channel access and the above-mentioned maximum number of transmissions. Number of SSBs; for Rel-16 or other subsequent versions, it does not depend on channel access or the above-mentioned maximum number of SSBs to be sent.
[0130]
For another example, for Rel-15, the time domain positions of SSBs in an SSB set indicated by ssb-PositionsInBurst cannot overlap; for Rel-16 or other subsequent versions, ssb-PositionsInBurst (new parameters, such as ssb-PositionsinBurst-NRU) The time domain positions of the SSBs in the indicated one SSB set may overlap.
[0131]
In this embodiment, the first indication information may directly indicate the second SSB set.
[0132]
For example, a bit-map is used to indicate which SSBs in the first SSB set belong to the second SSB set, or the number, start position, and end position of the indicated SSBs in the second SSB set.
[0133]
For example, the first indication information includes N bits, which have a one-to-one correspondence with each SSB in the first SSB set. 1 indicates that the corresponding SSB is an SSB in the second SSB set, and 0 indicates that the corresponding SSB is not an SSB in the second SSB set.
[0134]
FIG. 6 is a schematic diagram of indicating a second SSB set according to Embodiment 1 of the present invention. As shown in FIG. 6, the first indication information includes 16 bits, which are 1111110000000000 in sequence, and the SSB corresponding to "1" in the first SSB set is the SSB in the second SSB set.
[0135]
For another example, the first SSB set is divided into M groups, and the first indication information includes M bits, which have a one-to-one correspondence with each group of SSBs in the first SSB set. 1 indicates that the SSB in the corresponding group is the SSB in the second SSB set, and 0 indicates that the SSB in the corresponding group is not the SSB in the second SSB set.
[0136]
In this embodiment, the first indication information may also be based on the time domain position of the SSB in the first SSB set, and/or the quasi co-location relationship of the SSB in the first SSB set, indicating the second SSB gather.
[0137]
For example, the first indication information indicates the second SSB set based on the correspondence between the SSB in the first SSB set and the first index; the first index indicates that the SSB in the first SSB set is in the one transmission window The SSB in the first SSB set corresponds to the value of the first index in a one-to-one correspondence.
[0138]
For another example, the first indication information indicates the second SSB set based on the correspondence between the SSBs in the first SSB set and the second index; the second index indicates the standard between the SSBs in the first SSB set. The co-location relationship, in other words, the second index represents the spatial information (for example, beam identifier) ​​corresponding to the SSBs in the first SSB set, and the SSBs corresponding to the same second index in the first SSB set are quasi-co-located. The first SSB set includes two SSBs corresponding to the same second index value. In this embodiment, the two SSBs corresponding to the same second index value are quasi-co-located.
[0139]
For example, the second index has Y values, and the first indication information includes Y bits, which have a one-to-one correspondence with each value of the second index. 1 indicates that the SSB corresponding to the corresponding second index is an SSB in the second SSB set, and 0 indicates that the SSB corresponding to the corresponding second index is not an SSB in the second SSB set.
[0140]
FIG. 7 is another schematic diagram of indicating the second SSB set according to Embodiment 1 of the present invention. As shown in Figure 7, the first indication information contains 4 bits, which are 1100 in turn, and the second index has 4 values, which are 0123 in turn. The first SSB set contains 16 SSBs, and their corresponding second indexes are in turn 0123012301230123, the SSB corresponding to the second index (values ​​0 and 1) corresponding to 1 is the SSB in the second SSB set.
[0141]
For another example, the first index or the second index is divided into Y groups, and the first indication information includes Y bits, which correspond to each group of the first index or the second index one-to-one. 1 indicates that the SSB corresponding to the first index or second index group is the SSB in the second SSB set, 0 indicates that the SSB corresponding to the first index or second index group is not in the second SSB set SSB.
[0142]
In this embodiment, the first indication information is also based on the corresponding relationship between the SSB in the first SSB set and the third index, indicating the second SSB set; the third index indicates that the first SSB set corresponds to the same The sequence number or time domain position of the SSB in the group formed by the SSB with the second index value in the group, and the SSB in the group corresponds to the value of the third index in a one-to-one correspondence.
[0143]
For example, the second index has Y values, the SSBs with the same second index value form Y groups, and the first indication information includes 2Y bits. Among them, the first Y bits indicate the same value as a certain second index. Whether the SSB corresponding to the value is an SSB in the second SSB set, the last Y bits indicate whether the SSB corresponding to a certain third index value is an SSB in the second SSB set.
[0144]
FIG. 8 is another schematic diagram of indicating the second SSB set according to Embodiment 1 of the present invention. As shown in Figure 8, the first indication information contains 8 bits, which are 11000110 in order, and the second index has 4 values, which are 0123 in order. SSBs with the same second index value form 4 groups. An SSB set contains 16 SSBs. The corresponding second index is 0123012301230123, and the corresponding third index is 0000111122223333. Then the second index corresponding to 1 in the first 4 bits of the first indication information is 0 and 1. The group numbers corresponding to 1 in the last 4 bits are 1 and 2.
[0145]
In this embodiment, the SSB in the first SSB set may correspond to one second index, or may correspond to multiple second indexes.
[0146]
When one SSB corresponds to multiple second indexes, the second SSB set may be indicated according to the correspondence relationship between the SSB and the multiple second indexes.
[0147]
FIG. 9 is another schematic diagram of indicating the second SSB set according to Embodiment 1 of the present invention. As shown in Figure 9, the first indication information contains 4 bits, which are 1100 in order. The SSB in the first SSB set corresponds to two second indexes, which are denoted as second index 1 and second index 2. 1 has 4 values, which are 0123 respectively, and the second index 2 also has 4 values, which are 3012 respectively. Then the second index 1 (values ​​0 and 1) and the second index 2 (values ​​0 and 1) corresponding to 1 The SSBs corresponding to the values ​​3 and 0) are all SSBs in the second SSB set.
[0148]
In this embodiment, the second SSB set is indicated through the above step 203, that is, the time domain position of the SSBs in the second SSB set. In addition, the quasi co-location relationship between the SSBs in the second SSB set can be further indicated. .
[0149]
As shown in Figure 2, the method may further include:
[0150]
Step 204: Send second indication information; the second indication information indicates the quasi co-location relationship between SSBs in the second SSB set.
[0151]
Through step 204, the UE can determine the quasi co-location relationship between the SSBs in the second SSB set.
[0152]
In this embodiment, step 203 and step 204 can be executed sequentially or simultaneously, and the embodiment of the present invention does not limit the timing thereof.
[0153]
In addition, when the UE does not receive the second indication information (including not sent by the network device, and sent by the network device but not received by the UE), because the second SSB set is the first SSB set or a true subset of the first SSB set , The quasi co-location relationship between the SSBs in the second SSB set can also be known (determined) according to the pre-defined quasi co-location relationship between the SSBs in the first SSB set.
[0154]
For example, the quasi co-location relationship between the SSBs in the second SSB set is obtained according to the predefined correspondence between the SSBs in the first SSB set and the second index.
[0155]
For example, any SSB in the predefined first SSB set corresponds to only one second index value, and the SSBs corresponding to the same second index value are quasi-co-located, corresponding to different second index values The SSBs are not quasi-co-located. The quasi co-location relationship between the SSBs in the second SSB set is the same as the quasi co-location relationship between the corresponding SSBs in the first SSB set.
[0156]
For another example, at least one SSB in the predefined first SSB set corresponds to two or more second index values, and the corresponding at least one SSB with the same second index value may be quasi co-located. , The corresponding SSBs with different values ​​of the second index are not quasi-co-located. The quasi co-location relationship between the SSBs in the second SSB set is the same as the quasi co-location relationship between the corresponding SSBs in the first SSB set.
[0157]
In this embodiment, the second indication information may further indicate that the pre-defined quasi co-location relationship between the SSBs in the first SSB set is not a quasi co-located SSB (the value of any corresponding second index is different. SSB) is quasi-co-located, or the second indication information may further indicate that the SSB (corresponding to at least one SSB with the same second index value) that may be quasi-co-located based on the predefined quasi-co-location relationship is quasi-co-located Co-located.
[0158]
For example, according to the predefined correspondence between the SSB in the first SSB set and the second index, the first SSB and the second SSB are not quasi-co-located (the value of any corresponding second index is different), and the first SSB and the second SSB have different values. The second indication information may indicate that the first SSB and the second SSB in the second SSB set are quasi-co-located. After receiving the second indication information, the UE can determine according to the second indication information that the first SSB and the second SSB are quasi-co-located.
[0159]
For another example, according to the predefined correspondence between the SSB in the first SSB set and the second index, the first SSB and the second SSB may be quasi-co-located (corresponding to at least one SSB with the same second index value), The second indication information may indicate that the first SSB and the second SSB in the second SSB set are quasi-co-located. After receiving the second indication information, the UE can determine according to the second indication information that the first SSB and the second SSB are quasi-co-located.
[0160]
In this embodiment, the second indication information may be indicated by multiplexing the first indication information, or the second indication information may be implicitly indicated by the first indication information.
[0161]
FIG. 10 is a schematic diagram indicating the quasi co-location relationship between SSBs of the second SSB set according to Embodiment 1 of the present invention. As shown in Figure 10, the SSB in the first SSB set corresponds to the second index 1 and the second index 2, and the value of the second index 2 can be used to implicitly indicate the standard between the SSBs in the second SSB set. The co-location relationship, that is, the SSBs with the same second index 2 value are quasi co-location.
[0162]
Generally, the second indication information cannot indicate that based on the pre-defined quasi-co-location relationship between the SSBs in the first SSB set, the SSBs that are quasi-co-located are not quasi-co-located. If the UE receives the second indication information indicating that the quasi-co-located SSBs are not quasi-co-located based on the quasi-co-location relationship between the SSBs in the first predefined set of SSBs, the UE still follows the pre-defined first SSB set The quasi co-location relationship between the SSBs determines the quasi co-location relationship between the SSBs in the second SSB set.
[0163]
For example, according to the predefined correspondence between the SSB in the first SSB set and the second index, the first SSB and the second SSB are quasi-co-located (respectively corresponding to a second index and the same value), and the second SSB The indication information indicates that the first SSB and the second SSB in the second SSB set are not quasi-co-located. According to the pre-defined quasi-co-location relationship between the SSBs in the first SSB set, the UE still considers the first SSB and the second SSB The two SSBs are quasi co-located.
[0164]
For ease of description, it is assumed below that the fourth index represents the spatial information (for example, beam identification) of the SSBs in the second SSB set, or in other words, represents the quasi co-location relationship between the SSBs in the second SSB set, and has the same The SSB with the value of the fourth index is quasi-co-located.
[0165]
In addition, as shown in the example in FIG. 10, in the case where the SSB in the first SSB set corresponds to two or more second indexes, one of the second indexes may also be used to indicate the SSB in the second SSB set. The airspace information of, or in other words, indicates the quasi co-location relationship between the SSBs in the second SSB set, and the SSBs with the same second index value are quasi co-location.
[0166]
FIG. 11 is another schematic diagram indicating the quasi co-location relationship between SSBs of the second SSB set according to Embodiment 1 of the present invention. As shown in Fig. 11, the second index and the third index are the same as those shown in Fig. 8. The fourth index corresponding to the SSB in the second SSB set is 01010101, and the quasi-share between the SSBs in the second SSB set is The address relationship is shown in FIG. 11, and SSBs with the same fourth index value are quasi co-located.
[0167]
In this embodiment, if at least one SSB in the second SSB set corresponds to two or more second indexes (or fourth indexes), the UE needs to use the second index ( Or the value of the fourth index) uniquely determines the QCL relationship between the SSBs in the second SSB set it receives.
[0168]
In this embodiment, the first SSB set is predefined.
[0169]
For example, one SSB in the first SSB set may correspond to a value of a first index, may also correspond to a value of at least one second index, or may correspond to a value of a first index and at least one second index at the same time.
[0170]
In this embodiment, each SSB in the first SSB set corresponds to a first index value. The first index indicates the time domain position of the SSB in the first SSB set in the one transmission window, and the SSB in the first SSB set corresponds to the value of the first index in a one-to-one correspondence.
[0171]
The UE may determine the time domain position of the SSB in the first SSB set according to the first index, so as to obtain the frame timing.
[0172]
In this embodiment, each SSB in the first SSB set may also correspond to at least one second index. The second index indicates a quasi co-location relationship between SSBs in the first SSB set, and the first SSB set includes two SSBs corresponding to the same second index value.
[0173]
In this embodiment, each SSB in the first SSB set may correspond to one second index, or may correspond to multiple second indexes.
[0174]
The UE may determine the spatial information between the SSBs in the first SSB set according to the second index, that is, the quasi co-location relationship.
[0175]
In this embodiment, the first index and/or the second index of the SSB in the first SSB set may be indicated. For example, it can be indicated by a signal and/or channel in the SSB.
[0176]
FIG. 12 is a schematic diagram of the structure of the SSB of Embodiment 1 of the present invention. As shown in Figure 12, one SSB contains PBCH, SSS, PBCH, and PSS.
[0177]
In order to support the UE to determine the frame timing according to the SSB after receiving an SSB, the signal and/or channel in the SSB (for example, one of the indications of PSS, SSS, PBCH, and PBCH DMRS) needs to be used to indicate that the SSB is in the corresponding transmission window. The time domain position in the
[0178]
For example, the time domain position of the SSB in the corresponding transmission window is characterized by a first index (the first index has a one-to-one correspondence with the SSB in the first SSB set), and the SSB is indicated by the signal and/or channel in the SSB The corresponding first index takes a value, thereby indicating the time domain position of the SSB in the corresponding transmission window.
[0179]
Specifically, for example, the DMRS in the SSB indicates a part of the first index value, and a part of the payload in the PBCH in the SSB indicates another part of the first index value, for example, as shown in the following table.
[0180]

[0181]
For another example, the time domain position of the SSB in the corresponding transmission window is characterized by a second index and other information (third index or timing offset), and the signal and/or channel in the SSB indicates the second index and the corresponding second index of the SSB. Other information indicates the time domain position of the SSB in the corresponding transmission window.
[0182]
Specifically, for example, the value of the second index is indicated by the DMRS in the SSB, and other information is indicated by a part of the payload in the PBCH in the SSB. In addition, when each SSB in the first SSB set corresponds to a first index value, the corresponding second index can also be determined through the indicated first index and the corresponding relationship between the first index and the second index; When each SSB in an SSB set corresponds to at least one second index, the corresponding first index may also be determined through the indicated second index and the corresponding relationship between the second index and the first index.
[0183]
In this embodiment, the first index is, for example, an SSB time index (SSB time index) or an SSB index (SSB index).
[0184]
In this embodiment, the second index is, for example, an SSB beam index (SSB beam index) or an SSB index (SSB index) or a DRS index (DRS index) or a timing offset (timing offset).
[0185]
FIG. 13 is a schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in Figure 13, the first index is the SSB index, and the second index is the SSB beam index. The first SSB set contains 16 SSBs. These 16 SSBs correspond to one SSB index and one SSB beam index respectively. The SSB whose second index is a non-adjacent SSB.
[0186]
FIG. 14 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in Figure 14, the first index is the SSB index, and the second index is the SSB beam index. The first SSB set contains 16 SSBs. These 16 SSBs correspond to one SSB index and one SSB beam index respectively. The SSB whose second index is the adjacent SSB.
[0187]
FIG. 15 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in Figure 15, the first index is the SSB time index, and the second index is the SSB index. The first SSB set contains 16 SSBs. These 16 SSBs correspond to one SSB time index and one SSB index respectively. The SSB whose second index is a non-adjacent SSB.
[0188]
FIG. 16 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in Figure 16, the first index is the SSB time index, and the second index is the SSB index. The first SSB set contains 16 SSBs. These 16 SSBs correspond to one SSB time index and one SSB index respectively. The SSB whose second index is the adjacent SSB.
[0189]
FIG. 17 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in Figure 17, the first index is the SSB time index, and the second index is the SSB beam index. The first SSB set contains 16 SSBs. These 16 SSBs correspond to one SSB index and one SSB beam index, respectively. SSBs with the same second index value are non-adjacent SSBs.
[0190]
FIG. 18 is another schematic diagram of the first SSB set according to Embodiment 1 of the present invention. As shown in Figure 18, the first index is the SSB time index, and the second index is the SSB beam index. The first SSB set contains 16 SSBs. These 16 SSBs correspond to one SSB index and one SSB beam index, respectively. SSBs with the same second index value are adjacent SSBs.
[0191]
In this embodiment, for example, in an unlicensed frequency band, the SSB may also be sent as a part of the DRS. In this case, DRS and SSB have a one-to-one correspondence.
[0192]
For example, in this case, the transmission window may be a DRS transmission window, and the second index may be a DRS index.
[0193]
That is to say, a DRS contains one SSB. In addition, a DRS can also contain at least one remaining minimum system information (RMSI) or the PDCCH and/or PDSCH corresponding to SIB1. At this time, the SSB in the DRS and RMSI has a one-to-one correspondence.
[0194]
FIG. 25 is a schematic diagram of the structure of the DRS in Embodiment 1 of the present invention. As shown in (a) in FIG. 25, the DRS includes two repeated SSBs; as shown in (b) in FIG. 25, the DRS includes an extended SSB.
[0195]
FIG. 25 is only a schematic diagram of the structure of the DRS, and other structures may also be used for the DRS.
[0196]
When the SSB is included in the DRS and sent, the above method described for the SSB is also applicable to the DRS, and the description will not be repeated here.
[0197]
It can be seen from the foregoing embodiment that the first SSB set corresponding to one transmission window and the second SSB set that is a subset of the first SSB set are set, and at least one SSB in the second SSB set is sent in the transmission window. , It can adapt to cell coverage in different situations and improve the flexibility of resource scheduling.
[0198]
Example 2
[0199]
The embodiment of the present invention provides a data transmission method, which is applied to the user equipment side, and corresponds to the data transmission method applied to the network equipment side described in Embodiment 1, and the same content will not be repeated.
[0200]
FIG. 19 is a schematic diagram of a data transmission method according to Embodiment 2 of the present invention. As shown in Figure 19, the method includes:
[0201]
Step 1901: According to the time domain position of the SSBs in the second SSB set and/or the quasi co-location relationship between the SSBs, receiving downlink signals and/or channels or sending uplink signals and/or channels,
[0202]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window.
[0203]
In this way, the UE can receive downlink signals and/or channels or send uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set, thereby improving the flexibility and utilization of resource utilization Rate.
[0204]
In this embodiment, the first SSB set may be predefined.
[0205]
In this embodiment, the second SSB set may be predefined or pre-configured.
[0206]
In this embodiment, the content of the second SSB set and the content of the first SSB set and the instruction method may be the same as those described in Embodiment 1, and the description will not be repeated here.
[0207]
In this embodiment, as shown in FIG. 19, the method may further include:
[0208]
Step 1902: Determine the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set.
[0209]
For example, according to the time domain positions of the SSBs in the first SSB set and/or the quasi co-location relationship between the SSBs, the time domain positions of the SSBs in the second SSB set and/or the quasi co-location relationship between the SSBs are determined.
[0210]
In this embodiment, the time domain position of the SSBs in the first SSB set and/or the quasi co-location relationship between the SSBs are predefined, and the predefined manner is the same as that described in Embodiment 1, and will not be omitted here. Repeat the description.
[0211]
For example, if the first indication information and/or the second indication information are received, the time domain position and/or the quasi-shared position of the SSBs in the second SSB set are also determined according to the received first indication information and/or second indication information. The address relationship, the first indication information indicates the second SSB set, and the second indication information indicates the quasi co-location relationship between SSBs in the second SSB set.
[0212]
In this embodiment, the content of the first indication information and/or the second indication information and the method for the network device to send the information are the same as those described in Embodiment 1, and the description will not be repeated here.
[0213]
For example, according to the second index and/or the received second indication information, the quasi co-location relationship between the SSBs in the second SSB set is determined, and the second index indicates the quasi co-location relationship between the SSBs in the first SSB set. Address relationship.
[0214]
For example, as shown in FIG. 11 above, the quasi co-location relationship between the SSBs in the second SSB set is determined according to the second index and the fourth index in the second indication information.
[0215]
In addition, the quasi co-location relationship between the SSBs in the second SSB set may also be determined only according to the fourth index.
[0216]
In step 1901, according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set, a downlink signal and/or channel is received or an uplink signal and/or channel is sent.
[0217]
In this embodiment, the downlink signal and/or channel is, for example, SSB/DRS, or a downlink signal and/or channel other than SSB/DRS, and a downlink signal and/or channel other than SSB/DRS, such as a physical downlink control channel ( At least one of Physical Downlink Control Channel (PDCCH), Physical Downlink Shared Channel (PDSCH), and downlink reference signals (such as CSI-RS).
[0218]
In this embodiment, the uplink signal and/or channel is, for example, a physical random access channel (PRACH), an uplink reference signal (for example, a sounding reference signal (Sounding Reference Signal, SRS)), and a physical uplink control channel. At least one of (Physical Uplink Control Channel, PUCCH) and Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH).
[0219]
In step 1901, at least one of the following processing can be performed according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set: monitoring the physical downlink control channel; receiving the physical downlink data channel; sending the uplink signal and / Or channel; and radio link monitoring (Radio Link Monitoring, RLM).
[0220]
For example, in the case of monitoring the PDCCH or receiving the PDSCH according to the time domain position and/or quasi co-location relationship of the SSB in the second SSB set, the time domain position of the SSB in the second SSB set and/or the relationship between the SSB Knowing the QCL relationship between the PDCCH and the SSB in the second SSB set, the QCL relationship between the PDCCH and the SSB in the second SSB set can also be determined according to the second index and/or the received second indication information. A quasi co-location relationship between one, so as to monitor PDCCH or receive PDSCH.
[0221]
For example, in the case of monitoring the PDCCH, when the DMRS antenna port (DMRS antenna port) of the PDCCH and the SSB in the second SSB set are quasi co-located, the UE determines the connection with the PDCCH according to the second index and/or the fourth index. The DRMS ​​antenna port quasi co-located SSB in the second SSB set, thereby receiving the PDCCH. For example, the CORESET containing the PDCCH is configured with a Transmission Configuration Indication (Transmission Configuration Indication, TCI) state, and the TCI state ID corresponding to the TCI state corresponds to a second index and/or a fourth index, which is the same as the DMRS antenna port of the PDCCH The SSB in the second SSB set corresponding to the second index and/or the fourth index.
[0222]
For another example, in the case of monitoring the PDCCH corresponding to the system information (SI), the UE learns the PDCCH monitoring occasion of the corresponding system information and the SSB in the second SSB set according to the SSB time domain position and/or QCL relationship in the second SSB set Correspondence, so as to monitor the PDCCH corresponding to the system information. Among them, the PDCCH monitoring occasions corresponding to the SSBs of the QCL in the second SSB set are the same. For example, the second SSB set includes the first SSB and the second SSB, and the first SSB and the second SSB are QCL, then the PDCCH monitoring occasions corresponding to the first SSB and the second SSB are the same.
[0223]
The following is a specific example of the correspondence between the PDCCH monitoring occasion corresponding to the SI and the SSB in the second SSB set.
[0224]
For example, the [x*N+K]th PDCCH monitoring occasion(s) corresponding to SI in the SI-window corresponds to the SSB of the Kth group QCL in the second SSB set, where x=0,1,... .X-1, K=1, 2,...N, N is the number of SSB groups of QCL in the second SSB set, X='CEIL (the number of PDCCH monitoring occasion(s) corresponding to the system message in the SI-window) Number/N').
[0225]
FIG. 26 is a schematic diagram of the correspondence between the PDCCH monitoring occasion corresponding to the SI and the SSB in the second SSB set according to Embodiment 2 of the present invention.
[0226]
As shown in Figure 26, assuming that N=2, the number of PDCCH monitoring occasions(s) corresponding to system messages in the SI-window=8, the corresponding relationship between the PDCCH monitoring occasion(s) in the SI-window and the SSB in the second SSB set is as follows: Shown in Figure 26.
[0227]
For example, in the case of receiving PDSCH, when the PDCCH does not indicate the TCI status, the UE assumes that the SSB in the second SSB set quasi-co-located with the DRMS ​​antenna port of the PDSCH is the same as the PDCCH associated with the PDSCH; or, the PDCCH associated with the PDSCH The PDCCH indicates the TCI state of the PDSCH (for example, the DCI includes the TCI state ID), the TCI state ID corresponding to the TCI state corresponds to a second index and/or a fourth index, and the quasi-co-location with the DMRS antenna port of the PDSCH is The SSB in the second SSB set corresponding to the second index and/or the fourth index.
[0228]
For example, in the case of sending a PRACH, the UE determines the association relationship between the SSB and the PRACH according to the quasi co-location relationship between the SSBs in the second SSB set, and thereby selects the PRACH resource to send message 1 (msg.1).
[0229]
It can be seen from the foregoing embodiment that the UE can receive downlink signals and/or channels or transmit uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set, thereby improving resource utilization. Flexibility and utilization.
[0230]
Example 3
[0231]
The embodiment of the present invention also provides a data transmission method, which is applied to the network equipment side and the user equipment side, which corresponds to Embodiments 1 and 2. Therefore, the specific implementation can refer to the records in Embodiments 1 and 2. The same content will not be repeated.
[0232]
FIG. 20 is a schematic diagram of a data transmission method according to Embodiment 3 of the present invention. As shown in Figure 20, the method includes:
[0233]
Step 2001: Send first indication information; the first indication information indicates the second SSB set;
[0234]
Step 2002: Send second indication information; the second indication information indicates the quasi co-location relationship between SSBs in the second SSB set;
[0235]
Step 2003: Generate at least one SSB in the second SSB set corresponding to the first transmission window;
[0236]
Step 2004: Send at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window, or not send the SSB;
[0237]
Step 2005: Determine the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set;
[0238]
Step 2006: Receive a downlink signal and/or channel according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set; and/or
[0239]
Step 2007: Send an uplink signal and/or channel according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set.
[0240]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[0241]
In this embodiment, steps 2001, 2002, 2003, and 2005 are not necessary steps.
[0242]
In addition, there is no restriction on the timing relationship between steps 2001-2004.
[0243]
In this embodiment, at least one of step 2006 and step 2007 may be performed.
[0244]
In this embodiment, the specific implementation methods of steps 2001 to 2007 are the same as those described in Embodiment 1 and Embodiment 2, and the description will not be repeated here.
[0245]
It can be seen from the foregoing embodiment that the first SSB set corresponding to one transmission window and the second SSB set that is a subset of the first SSB set are set, and at least one SSB in the second SSB set is sent in the transmission window. , It can adapt to cell coverage in different situations and improve the flexibility of resource scheduling.
[0246]
Example 4
[0247]
The embodiment of the present invention provides a data transmission device, which can be configured on the network device side. Since the principle of the device to solve the problem is similar to the method of embodiment 1, its specific implementation can refer to the implementation of the method of embodiment 1, and the same content or related parts will not be repeated.
[0248]
FIG. 21 is a schematic diagram of a data transmission device according to Embodiment 4 of the present invention. As shown in FIG. 21, the device 2100 includes:
[0249]
The first sending unit 2101 is configured to send at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window, or not to send the SSB;
[0250]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[0251]
In this embodiment, at least one SSB in the second SSB set is not sent in the first transmission window.
[0252]
In this embodiment, the second SSB set or the two SSBs in the first SSB set are quasi-co-located.
[0253]
In this embodiment, the time domain positions of the second SSB set or the two SSBs in the first SSB set overlap.
[0254]
As shown in Figure 21, the device may further include:
[0255]
A generating unit 2102, configured to generate at least one SSB in the second SSB set corresponding to the first transmission window;
[0256]
In this embodiment,
[0257]
The first sending unit 2101 sends at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window according to the channel state, or does not send the SSB.
[0258]
As shown in Figure 21, the device may further include:
[0259]
The second sending unit 2103 is configured to send first indication information; the first indication information indicates the second SSB set.
[0260]
In this embodiment, the first indication information indicates the second SSB set based on the time domain position of the SSB in the first SSB set, and/or the quasi co-location relationship of the SSBs in the first SSB set.
[0261]
In this embodiment, the first indication information indicates the second SSB set based on the correspondence between the SSB in the first SSB set and the first index; the first index indicates that the SSB in the first SSB set is in the The time domain position in a transmission window, the SSB in the first SSB set corresponds to the value of the first index one-to-one.
[0262]
In this embodiment, the first indication information indicates the second SSB set based on the correspondence between the SSBs in the first SSB set and the second index; the second index indicates the number of SSBs in the first SSB set. The first SSB set includes two SSBs corresponding to the same second index value, and the two SSBs corresponding to the same second index value are quasi-co-located.
[0263]
In this embodiment, the first indication information is also based on the corresponding relationship between the SSB in the first SSB set and the third index, indicating the second SSB set; the third index indicates that the first SSB set corresponds to the same The sequence number or time domain position of the SSB in the group formed by the SSB with the second index value in the group, and the SSB in the group corresponds to the value of the third index in a one-to-one correspondence.
[0264]
In this embodiment, the first indication information is sent through RRC signaling. The first indication information corresponds to a first parameter or a second parameter, the first parameter is an existing parameter, and the second parameter is a new parameter.
[0265]
As shown in Figure 21, the device may further include:
[0266]
The third sending unit 2104 is configured to send second indication information; the second indication information indicates the quasi co-location relationship between SSBs in the second SSB set.
[0267]
In this embodiment, the second indication information indicates that the first SSB and the second SSB in the second SSB set are quasi-co-located, and the second index values ​​corresponding to the first SSB and the second SSB are different.
[0268]
In this embodiment, the implementation of the functions of the above units can refer to the description in Embodiment 1, and the same content will not be repeated.
[0269]
It can be seen from the foregoing embodiment that the first SSB set corresponding to one transmission window and the second SSB set that is a subset of the first SSB set are set, and at least one SSB in the second SSB set is sent in the transmission window. , It can adapt to cell coverage in different situations and improve the flexibility of resource scheduling.
[0270]
Example 5
[0271]
The embodiment of the present invention provides a data transmission device, which can be configured on the user equipment side. Since the principle of the device to solve the problem is similar to the method of embodiment 2, its specific implementation can refer to the implementation of the method described in embodiment 2, and the same content or related parts will not be repeated.
[0272]
FIG. 22 is a schematic diagram of a data transmission device according to Embodiment 5 of the present invention. As shown in FIG. 22, the device 2200 includes:
[0273]
The transceiver unit 2201 is configured to receive downlink signals and/or channels or send uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set,
[0274]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window.
[0275]
As shown in Figure 22, the device may further include:
[0276]
The first determining unit 2202 is configured to determine the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set.
[0277]
In this embodiment, the first determining unit 2202 may determine the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set according to the received first indication information and/or second indication information,
[0278]
The first indication information indicates the second SSB set, and the second indication information indicates the quasi co-location relationship between SSBs in the second SSB set.
[0279]
In this embodiment, the first determining unit 2202 may determine the quasi co-location relationship between SSBs in the second SSB set according to the second index and/or the received second indication information, and the second index indicates the second index. The quasi co-location relationship between SSBs in an SSB set.
[0280]
In this embodiment, the transceiving unit 2201 may perform at least one of the following processing according to the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set:
[0281]
Monitor the physical downlink control channel;
[0282]
Receive physical downlink data channel;
[0283]
Transmit uplink signals and/or channels; and
[0284]
Perform wireless link monitoring.
[0285]
As shown in Figure 22, the device may further include:
[0286]
The second determining unit 2203 is configured to determine the difference between the SSB in the second SSB set and at least one of the physical downlink control channel and the physical downlink data channel according to the second index and/or the received second indication information. Quasi co-location relationship.
[0287]
It can be seen from the foregoing embodiment that the UE can receive downlink signals and/or channels or transmit uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set, thereby improving resource utilization. Flexibility and utilization.
[0288]
Example 6
[0289]
The embodiment of the present invention provides a network device, and the network device includes the data transmission device as described in the fourth embodiment.
[0290]
FIG. 23 is a schematic diagram of a structure of a network device according to Embodiment 6 of the present invention. As shown in FIG. 23, the network device 2300 may include: a processor 2310 and a memory 2320; the memory 2320 is coupled to the processor 2310. The memory 2320 can store various data; in addition, it also stores an information processing program 2330, and executes the program 2330 under the control of the processor 2310 to receive various information sent by the user equipment and send various information to the user equipment .
[0291]
In one embodiment, the function of the data transmission device may be integrated into the processor 2310. Wherein, the processor 2310 may be configured to: send at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window, or not send the SSB; wherein, the second SSB set is A subset of the first SSB set, where each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[0292]
For example, at least one SSB in the second SSB set corresponding to the first transmission window is sent in the first transmission window according to the channel state, or no SSB is sent.
[0293]
For example, the processor 2310 may be further configured to generate at least one SSB in the second SSB set corresponding to the first transmission window.
[0294]
For example, the processor 2310 may also be configured to: send first indication information; the first indication information indicates the second SSB set.
[0295]
For example, the processor 2310 may be further configured to: send second indication information; the second indication information indicates a quasi co-location relationship between SSBs in the second SSB set.
[0296]
In another embodiment, the data transmission device can be configured separately from the processor 2310. For example, the data transmission device can be configured as a chip connected to the processor 2310, and the function of the data transmission device can be realized through the control of the processor 2310.
[0297]
In addition, as shown in FIG. 23, the network device 2300 may further include: a transceiver 2340, an antenna 2350, etc.; wherein the functions of the above-mentioned components are similar to those of the prior art, and will not be repeated here. It is worth noting that the network device 2300 does not necessarily include all the components shown in FIG. 23; in addition, the network device 2300 may also include components not shown in FIG. 23, and the prior art can be referred to.
[0298]
It can be seen from the foregoing embodiment that the first SSB set corresponding to one transmission window and the second SSB set that is a subset of the first SSB set are set, and at least one SSB in the second SSB set is sent in the transmission window. , It can adapt to cell coverage in different situations and improve the flexibility of resource scheduling.
[0299]
Example 7
[0300]
The embodiment of the present invention provides a user equipment, and the user equipment includes the data transmission apparatus as described in the fifth embodiment.
[0301]
FIG. 24 is a schematic block diagram of the system configuration of user equipment according to Embodiment 7 of the present invention. As shown in FIG. 24, the user equipment 2400 may include a processor 2410 and a memory 2420; the memory 2420 is coupled to the processor 2410. It is worth noting that this figure is exemplary; other types of structures can also be used to supplement or replace this structure to achieve telecommunication functions or other functions.
[0302]
In one embodiment, the function of the data transmission device may be integrated into the processor 2410. The processor 2410 may be configured to receive downlink signals and/or channels or send uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set, and the second SSB set The SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window.
[0303]
In another embodiment, the data transmission device can be configured separately from the processor 2410. For example, the data transmission device can be configured as a chip connected to the processor 2410, and the function of the data transmission device can be realized through the control of the processor 2410.
[0304]
As shown in FIG. 24, the user equipment 2400 may further include: a communication module 2430, an input unit 2440, a display 2450, and a power supply 2460. It is worth noting that the user equipment 2400 does not necessarily include all the components shown in FIG. 24; in addition, the user equipment 2400 may also include components not shown in FIG. 24, and related technologies may be referred to.
[0305]
As shown in FIG. 24, the processor 2410 is sometimes called a controller or an operating control, and may include a microprocessor or other processor device and/or logic device. The processor 2410 receives input and controls the operation of the various components of the user equipment 2400. operate.
[0306]
Among them, the memory 2420 may be, for example, one or more of a cache, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, or other suitable devices. A variety of data can be stored, and programs that execute related information can also be stored. In addition, the processor 2410 can execute the program stored in the memory 2420 to implement information storage or processing. The functions of other components are similar to the existing ones, so I won't repeat them here. The components of the user equipment 2400 may be implemented by dedicated hardware, firmware, software, or a combination thereof, without departing from the scope of the present invention.
[0307]
It can be seen from the foregoing embodiment that the UE can receive downlink signals and/or channels or transmit uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set, thereby improving resource utilization. Flexibility and utilization.
[0308]
Example 8
[0309]
An embodiment of the present invention provides a communication system, including the network device described in Embodiment 6 and/or the user equipment described in Embodiment 7.
[0310]
For example, the structure of the communication system can refer to FIG. 1. As shown in FIG. 1, the communication system 100 includes a network device 101 and a user equipment 102. The user equipment 102 is the same as the user equipment described in the seventh embodiment. The network equipment recorded in 6 is the same, and the repeated content will not be repeated.
[0311]
It can be seen from the foregoing embodiment that the first SSB set corresponding to one transmission window and the second SSB set that is a subset of the first SSB set are set, and at least one SSB in the second SSB set is sent in the transmission window. , It can adapt to cell coverage in different situations and improve the flexibility of resource scheduling.
[0312]
The above devices and methods of the present invention can be implemented by hardware, or can be implemented by hardware combined with software. The present invention relates to such a computer-readable program, when the program is executed by a logic component, the logic component can realize the above-mentioned device or constituent component, or the logic component can realize the above-mentioned various methods Or steps. Logic components such as field programmable logic components, microprocessors, processors used in computers, etc. The present invention also relates to storage media for storing the above programs, such as hard disks, magnetic disks, optical disks, DVDs, flash memory, and the like.
[0313]
The method/device described in conjunction with the embodiments of the present invention may be directly embodied as hardware, a software module executed by a processor, or a combination of the two. For example, one or more of the functional block diagrams and/or one or more combinations of the functional block diagrams shown in FIG. 21 may correspond to each software module of the computer program flow, or may correspond to each hardware module. These software modules can respectively correspond to the steps shown in FIG. 2. These hardware modules can be implemented, for example, by using a field programmable gate array (FPGA) to solidify these software modules.
[0314]
The software module can be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM or any other form of storage medium known in the art. A storage medium may be coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium; or the storage medium may be a component of the processor. The processor and the storage medium may be located in the ASIC. The software module can be stored in the memory of the mobile terminal, or can be stored in a memory card that can be inserted into the mobile terminal. For example, if the device (such as a mobile terminal) uses a larger-capacity MEGA-SIM card or a large-capacity flash memory device, the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.
[0315]
One or more of the functional blocks and/or one or more combinations of the functional blocks described in FIG. 21 can be implemented as a general-purpose processor or a digital signal processor ( DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, or any appropriate combination thereof. One or more of the functional blocks and/or one or more combinations of the functional blocks described with respect to FIG. 21 can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, or multiple microcomputers. A processor, one or more microprocessors in communication with the DSP, or any other such configuration.
[0316]
The present invention has been described above in conjunction with specific embodiments, but it should be clear to those skilled in the art that these descriptions are all exemplary and do not limit the protection scope of the present invention. Those skilled in the art can make various variations and modifications to the present invention according to the spirit and principle of the present invention, and these variations and modifications are also within the scope of the present invention.
[0317]
According to various implementation manners disclosed in the embodiments of the present invention, the following supplementary notes are also disclosed:
[0318]
1. A data transmission method applied to a network device side, the method comprising:
[0319]
Sending at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window, or not sending the SSB;
[0320]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[0321]
2. The method according to Supplement 1, wherein:
[0322]
At least one SSB in the second SSB set is not sent in the first transmission window.
[0323]
3. The method according to Supplement 1, wherein:
[0324]
The number of SSBs in the second SSB set is greater than or equal to the maximum transmission number corresponding to the second SSB set.
[0325]
4. The method according to Supplement 1, wherein:
[0326]
The two SSBs in the second SSB set or the first SSB set are quasi-co-located.
[0327]
5. The method according to Supplement 1, wherein:
[0328]
The time domain positions of the second SSB set or the two SSBs in the first SSB set overlap.
[0329]
6. The method according to Supplement 1, wherein the method further includes:
[0330]
Generating at least one SSB in the second SSB set corresponding to the first transmission window;
[0331]
7. The method according to appendix 1, wherein at least one SSB in the second SSB set corresponding to the first transmission window is sent in the first transmission window according to the channel state, or no SSB is sent.
[0332]
8. The method according to any one of appendix 1-7, wherein:
[0333]
The second SSB set is predefined or pre-configured.
[0334]
9. The method according to any one of appendix 1-8, wherein:
[0335]
The first SSB set is predefined.
[0336]
10. The method according to any one of appendix 1-9, wherein the method further comprises:
[0337]
Sending first indication information; the first indication information indicates the second SSB set.
[0338]
11. The method according to Supplement 10, wherein:
[0339]
The first indication information indicates the second SSB set based on the time domain position of the SSB in the first SSB set, and/or the quasi co-location relationship of the SSB in the first SSB set.
[0340]
12. The method according to Supplement 10 or 11, wherein:
[0341]
The first indication information indicates the second SSB set based on the correspondence between the SSB in the first SSB set and the first index; the first index indicates that the SSB in the first SSB set is in the The time domain position in the first transmission window, and the SSB in the first SSB set has a one-to-one correspondence with the value of the first index.
[0342]
13. The method according to Supplement 10 or 11, wherein:
[0343]
The first indication information indicates the second SSB set based on the correspondence between the SSBs in the first SSB set and the second index; the second index indicates the relationship between the SSBs in the first SSB set The first SSB set includes two SSBs corresponding to the same second index value, and the two SSBs corresponding to the same second index value are quasi-co-located.
[0344]
14. The method according to Supplement 13, wherein:
[0345]
The first indication information further indicates the second SSB set based on the correspondence between the SSB in the first SSB set and the third index;
[0346]
The third index indicates the sequence number or time domain position of the SSB in the group formed by the SSB corresponding to the same second index value in the first SSB set, and the SSB in the group is the same as the SSB in the group. The values ​​of the third index correspond one-to-one.
[0347]
15. The method according to Supplement 10, wherein:
[0348]
The first indication information is sent through high-layer signaling or physical layer dynamic instructions.
[0349]
16. The method according to Supplement 15, wherein:
[0350]
The first indication information is sent through RRC signaling,
[0351]
The first indication information corresponds to the first parameter or the second parameter,
[0352]
The first parameter is an existing parameter, and the second parameter is a new parameter.
[0353]
17. The method according to any one of appendix 1-16, wherein the method further comprises:
[0354]
Sending second indication information; the second indication information indicates the quasi co-location relationship between the SSBs in the second SSB set.
[0355]
18. The method according to Supplement 17, wherein:
[0356]
The second indication information indicates that the first SSB and the second SSB are quasi-co-located, and the second index values ​​corresponding to the first SSB and the second SSB are different.
[0357]
19. The method according to any one of Supplementary Notes 1-18, wherein:
[0358]
The SSB in the first SSB set corresponds to a first index.
[0359]
20. The method according to any one of appendix 1-19, wherein:
[0360]
The SSB in the first SSB set corresponds to at least one second index.
[0361]
21. The method according to Supplement 19 or 20, wherein:
[0362]
The value of the first index corresponds to the SSB in the first SSB set in a one-to-one correspondence, and the first index indicates the time domain position of the SSB in the first SSB set.
[0363]
22. The method according to any one of Supplementary Notes 19-21, wherein:
[0364]
At least one value of the second index corresponds to at least two SSBs in the first SSB set, and the second index represents a quasi co-location relationship between the SSBs in the first SSB set.
[0365]
23. The method according to any one of Supplements 19-22, wherein:
[0366]
The first index is determined by the indicated second index and the corresponding relationship between the first index and the second index; or,
[0367]
The second index is determined by the indicated first index and the corresponding relationship between the first index and the second index.
[0368]
24. A data transmission method applied to the user equipment side, the method comprising:
[0369]
Receiving downlink signals and/or channels or sending uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set,
[0370]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window.
[0371]
25. The method according to Supplement 24, wherein the method further includes:
[0372]
Determine the time domain location and/or quasi co-location relationship of the SSBs in the second SSB set.
[0373]
25A. The method according to Supplement 25, wherein:
[0374]
According to the time domain positions of the SSBs in the first SSB set and/or the quasi co-location relationship between the SSBs, the time domain positions of the SSBs in the second SSB set and/or the quasi co-location relationship between the SSBs are determined.
[0375]
25B. The method according to Supplement 25A, wherein:
[0376]
The time domain positions of the SSBs in the first SSB set and/or the quasi co-location relationship between the SSBs are predefined.
[0377]
26. The method according to Supplement 25, wherein:
[0378]
Determining the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set according to the received first indication information and/or second indication information,
[0379]
The first indication information indicates the second SSB set, and the second indication information indicates a quasi co-location relationship between SSBs in the second SSB set.
[0380]
27. The method according to Supplement 25 or 26, wherein:
[0381]
Determine the quasi co-location relationship between the SSBs in the second SSB set according to the second index and/or the received second indication information, where the second index represents the quasi co-location relationship between the SSBs in the first SSB set Address relationship.
[0382]
28. The method according to any one of Supplements 24-27, wherein:
[0383]
The second SSB set is predefined or pre-configured.
[0384]
29. The method according to any one of Supplementary Notes 24-28, wherein:
[0385]
The first SSB set is predefined.
[0386]
30. The method according to Supplement 24, wherein receiving downlink signals and/or channels or sending uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set includes :
[0387]
According to the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set, at least one of the following processing is performed:
[0388]
Monitor the physical downlink control channel;
[0389]
Receive physical downlink data channel;
[0390]
Transmit uplink signals and/or channels; and
[0391]
Perform wireless link monitoring.
[0392]
31. The method according to Supplement 30, wherein the method further includes:
[0393]
According to the second index and/or the received second indication information, a quasi co-location relationship between the SSB in the second SSB set and at least one of the physical downlink control channel and the physical downlink data channel is determined.
[0394]
32. A data transmission device arranged on the side of a network device, the device comprising:
[0395]
A first sending unit, configured to send at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window, or not to send the SSB;
[0396]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[0397]
33. The device according to Supplement 32, wherein:
[0398]
At least one SSB in the second SSB set is not sent in the first transmission window.
[0399]
34. The device according to Supplement 32, wherein:
[0400]
The number of SSBs in the second SSB set is greater than or equal to the maximum transmission number corresponding to the second SSB set.
[0401]
35. The device according to Supplement 32, wherein:
[0402]
The two SSBs in the second SSB set or the first SSB set are quasi-co-located.
[0403]
36. The device according to Supplement 32, wherein:
[0404]
The time domain positions of the second SSB set or the two SSBs in the first SSB set overlap.
[0405]
37. The device according to Supplement 32, wherein the device further comprises:
[0406]
Generating at least one SSB in the second SSB set corresponding to the first transmission window;
[0407]
38. The device according to Supplement 32, wherein:
[0408]
The first sending unit sends at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window according to the channel state, or does not send the SSB.
[0409]
39. The device according to any one of Supplements 32-38, wherein:
[0410]
The second SSB set is predefined or pre-configured.
[0411]
40. The device according to any one of supplementary notes 32-39, wherein:
[0412]
The first SSB set is predefined.
[0413]
41. The device according to any one of Supplements 32-40, wherein the device further comprises:
[0414]
The second sending unit is configured to send first indication information; the first indication information indicates the second SSB set.
[0415]
42. The device according to Supplement 41, wherein:
[0416]
The first indication information indicates the second SSB set based on the time domain position of the SSB in the first SSB set, and/or the quasi co-location relationship of the SSB in the first SSB set.
[0417]
43. The device according to Supplement 41 or 42, wherein:
[0418]
The first indication information indicates the second SSB set based on the correspondence between the SSB in the first SSB set and the first index; the first index indicates that the SSB in the first SSB set is in the The time domain position in the first transmission window, and the SSB in the first SSB set has a one-to-one correspondence with the value of the first index.
[0419]
44. The device according to Supplement 41 or 42, wherein
[0420]
The first indication information indicates the second SSB set based on the correspondence between the SSBs in the first SSB set and the second index; the second index indicates the relationship between the SSBs in the first SSB set The first SSB set includes two SSBs corresponding to the same second index value, and the two SSBs corresponding to the same second index value are quasi-co-located.
[0421]
45. The device according to Supplement 44, wherein:
[0422]
The first indication information further indicates the second SSB set based on the correspondence between the SSB in the first SSB set and the third index;
[0423]
The third index indicates the sequence number or time domain position of the SSB in the group formed by the SSB corresponding to the same second index value in the first SSB set, and the SSB in the group is the same as the SSB in the group. The values ​​of the third index correspond one-to-one.
[0424]
46. ​​The device according to Supplement 41, wherein:
[0425]
The first indication information is sent through high-layer signaling or physical layer dynamic instructions.
[0426]
47. The device according to Supplement 46, wherein:
[0427]
The first indication information is sent through RRC signaling,
[0428]
The first indication information corresponds to the first parameter or the second parameter,
[0429]
The first parameter is an existing parameter, and the second parameter is a new parameter.
[0430]
48. The device according to any one of Supplements 32-47, wherein the device further comprises:
[0431]
The third sending unit is configured to send second indication information; the second indication information indicates a quasi co-location relationship between SSBs in the second SSB set.
[0432]
49. The device according to Supplement 48, wherein:
[0433]
The second indication information indicates that the first SSB and the second SSB are quasi-co-located, and the second index values ​​corresponding to the first SSB and the second SSB are different.
[0434]
50. The device according to any one of Supplementary Notes 32-49, wherein:
[0435]
The SSB in the first SSB set corresponds to a first index.
[0436]
51. The device according to any one of Supplements 32-50, wherein:
[0437]
The SSB in the first SSB set corresponds to at least one second index.
[0438]
52. The device according to Supplement 50 or 51, wherein:
[0439]
The value of the first index corresponds to the SSB in the first SSB set in a one-to-one correspondence, and the first index indicates the time domain position of the SSB in the first SSB set.
[0440]
53. The device according to any one of Supplementary Notes 50-52, wherein:
[0441]
At least one value of the second index corresponds to at least two SSBs in the first SSB set, and the second index represents a quasi-colocation relationship between the SSBs in the first SSB set.
[0442]
54. The device according to any one of Supplementary Notes 50-52, wherein:
[0443]
The first index is determined by the indicated second index and the corresponding relationship between the first index and the second index; or,
[0444]
The second index is determined by the indicated first index and the corresponding relationship between the first index and the second index.
[0445]
55. A data transmission device arranged on the user equipment side, the device comprising:
[0446]
The transceiver unit, which is used to receive downlink signals and/or channels or send uplink signals and/or channels according to the time domain position and/or quasi co-location relationship of the SSBs in the second SSB set,
[0447]
The second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window.
[0448]
56. The device according to Supplement 55, wherein the device further comprises:
[0449]
The first determining unit is used to determine the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set.
[0450]
56A. The device according to Supplement 56, wherein:
[0451]
The first determining unit determines the time domain position of the SSB in the second SSB set and/or the quasi-co-location relationship between the SSBs in the second SSB set according to the time domain position of the SSB in the first SSB set and/or the quasi-co-location relationship between the SSBs. Co-location relationship.
[0452]
56B. The method according to Supplement 56A, wherein:
[0453]
The time domain positions of the SSBs in the first SSB set and/or the quasi co-location relationship between the SSBs are predefined.
[0454]
57. The device according to Supplement 56, wherein:
[0455]
The first determining unit determines the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set according to the received first indication information and/or second indication information,
[0456]
The first indication information indicates the second SSB set, and the second indication information indicates a quasi co-location relationship between SSBs in the second SSB set.
[0457]
58. The device according to Supplement 56 or 57, wherein:
[0458]
The first determining unit determines the quasi co-location relationship between the SSBs in the second SSB set according to the second index and/or the received second indication information, and the second index indicates the quasi co-location relationship between the SSBs in the first SSB set. The quasi co-location relationship between SSBs.
[0459]
59. The device according to any one of Supplements 55-58, wherein:
[0460]
The second SSB set is predefined or pre-configured.
[0461]
60. The device according to any one of Supplements 55-59, wherein:
[0462]
The first SSB set is predefined.
[0463]
61. The device according to any one of Supplements 55-60, wherein:
[0464]
The transceiver unit performs at least one of the following processing according to the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set:
[0465]
Monitor the physical downlink control channel;
[0466]
Receive physical downlink data channel;
[0467]
Transmit uplink signals and/or channels; and
[0468]
Perform wireless link monitoring.
[0469]
62. The device according to Supplement 61, wherein the device further comprises:
[0470]
The second determining unit is configured to determine the relationship between the SSB in the second SSB set and at least one of the physical downlink control channel and the physical downlink data channel according to the second index and/or the received second indication information. The quasi co-location relationship.
[0471]
63. A network device comprising the device according to any one of Supplements 32-54.
[0472]
64. A user equipment comprising the device according to any one of Supplements 55-62.
[0473]
65. A communication system comprising the network equipment according to Supplement 63 and/or the user equipment according to Supplement 64.
Claims
[Claim 1]
A data transmission device is provided on the side of a network device, the device includes: a first sending unit configured to send at least one SSB in a second SSB set corresponding to the first transmission window in a first transmission window, Or, no SSB is sent; wherein, the second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of the first transmission window.
[Claim 2]
The apparatus according to claim 1, wherein at least one SSB in the second SSB set is not sent in the first transmission window.
[Claim 3]
The apparatus according to claim 1, wherein the two SSBs in the second SSB set or the first SSB set are quasi-co-located.
[Claim 4]
The apparatus according to claim 1, wherein the time domain positions of the two SSBs in the second SSB set or the first SSB set overlap.
[Claim 5]
The apparatus according to claim 1, wherein the apparatus further comprises: a generating unit configured to generate at least one SSB in the second SSB set corresponding to the first transmission window.
[Claim 6]
The apparatus according to claim 1, wherein the first sending unit sends at least one SSB in the second SSB set corresponding to the first transmission window in the first transmission window according to the channel state, or does not send the SSB .
[Claim 7]
The apparatus according to claim 1, wherein the apparatus further comprises: a second sending unit configured to send first indication information; the first indication information indicates the second SSB set.
[Claim 8]
7. The apparatus according to claim 7, wherein the first indication information is based on the time domain position of the SSBs in the first SSB set, and/or the quasi co-location relationship of the SSBs in the first SSB set , Indicating the second SSB set.
[Claim 9]
The apparatus according to claim 8, wherein the first indication information indicates the second SSB set based on the corresponding relationship between the SSB in the first SSB set and the first index; the first index indicates the The time domain position of the SSB in the first SSB set in the one transmission window, and the SSB in the first SSB set corresponds to the value of the first index in a one-to-one correspondence.
[Claim 10]
The apparatus according to claim 8, wherein the first indication information indicates the second SSB set based on indicating the correspondence between the SSBs in the first SSB set and the second index; and the second index indicates The quasi co-location relationship between the SSBs in the first SSB set, the first SSB set includes two SSBs corresponding to the same second index value, and the two SSBs corresponding to the same second index value It is quasi co-located.
[Claim 11]
The apparatus according to claim 10, wherein the first indication information further indicates the second SSB set based on the corresponding relationship between the SSB in the first SSB set and a third index; the third index indicates The sequence number or time domain position of the SSB in the group formed by SSBs corresponding to the same second index value in the first SSB set, and the value of the SSB in the group and the third index One-to-one correspondence.
[Claim 12]
The apparatus according to claim 11, wherein the first indication information is sent through RRC signaling, the first indication information corresponds to a first parameter or a second parameter, the first parameter is an existing parameter, and the The second parameter is a new parameter.
[Claim 13]
The apparatus according to claim 1, wherein the apparatus further comprises: a third sending unit, configured to send second indication information; the second indication information indicates communication between SSBs in the second SSB set Quasi co-location relationship.
[Claim 14]
The apparatus according to claim 13, wherein the second indication information indicates that the first SSB and the second SSB in the second SSB set are quasi-co-located, and the second SSB and the second SSB correspond to the second The index value is different.
[Claim 15]
A data transmission device is provided on the user equipment side. The device includes: a transceiver unit, which is used to receive a downlink signal and/or channel according to the time domain position and/or quasi co-location relationship of the SSB in the second SSB set Or sending an uplink signal and/or channel, the second SSB set is a subset of the first SSB set, and each SSB in the first SSB set corresponds to a different time domain position of a transmission window.
[Claim 16]
The apparatus according to claim 15, wherein the apparatus further comprises: a first determining unit configured to determine the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set.
[Claim 17]
The apparatus according to claim 16, wherein the first determining unit determines the time domain position and/or quasi co-location of the SSB in the second SSB set according to the received first indication information and/or second indication information The relationship, the first indication information indicates the second SSB set, and the second indication information indicates the quasi co-location relationship between the SSBs in the second SSB set.
[Claim 18]
The apparatus according to claim 16, wherein the first determining unit determines the quasi co-location relationship between the SSBs in the second SSB set according to the second index and/or the received second indication information, and the first The second index indicates the quasi co-location relationship between the SSBs in the first SSB set.
[Claim 19]
The apparatus according to claim 15, wherein the transceiving unit performs at least one of the following processing according to the time domain position and/or the quasi co-location relationship of the SSBs in the second SSB set: monitoring the physical downlink control channel; receiving Physical downlink data channel; sending uplink signals and/or channels; and performing wireless link monitoring.
[Claim 20]
The apparatus according to claim 19, wherein the apparatus further comprises: a second determining unit configured to determine the SSB and the SSB in the second SSB set according to the second index and/or the received second indication information A quasi co-location relationship between at least one of the physical downlink control channel and the physical downlink data channel.