0001]The present disclosure is a communication terminal, the core network apparatus, communication system, the information management method, and a program.
BACKGROUND
[0002]Network slices (network slice) is the set of the set (collection) and resources of the logical network function of realizing communication services in a particular use case. Network slicing (network slicing) is a process of dividing a single physical network to a plurality of slices (slice).
[0003]
　Non-Patent Document 1 UE (User Equipment) is, treatment with NSSAI (Network Slice Selection Assistance Information) is described. Specifically, UE, the network slice instance (Network Slice Instances: NSIs) have been described to select. NSSAI includes a plurality of parameters. The UE, are set in advance NSSAI is.
[0004]
　In addition, NSSAI is an SM set of (Session Management) -NSSAI (collection). SM-NSSAI further, including the SST (Slice / Service type) and SD (Slice Differentiator).
[0005]
　SST shows the behavior of the network for services provided by features (features) and network slice network slice (Behavior). SD is to supplement the SST used in selecting the network slice instance (complement) information.
CITATION
Non-patent literature
[0006]
Non-Patent Document 1: 3GPP TR 23.799 V2.0.0 (2016-11)
Summary of the Invention
Problems that the Invention is to Solve
[0007]
　NSSAI used in selecting the network slices are set in advance UE. Therefore, be generated UE available to new network slice or a new service, it is not the UE holds NSSAI is updated. Therefore, UE is a problem that can not utilize the newly generated network slices or services.
[0008]
　The purpose of the present disclosure, in view of the above problems, a communication terminal, an information management method capable of utilizing the newly generated network slices or service, and to provide a program. A further object of the present disclosure is to provide a core network apparatus and a communication system capable of using the network slice or service that is newly generated for UE.
Means for Solving the Problems
[0009]
　Communication terminal according to the first aspect of the present disclosure, with the change of the position of the change or the device itself subscriber information of the device that is managed in the core network, SM from the core network (Session Management) -NSSAI ( comprising a communication unit that receives a network slice selection Assistance Information) about the parameters, using the parameters relating to the SM-NSSAI, and a control unit for updating the NSSAI that manages to select a network slice, a.
[0010]
　Core network apparatus according to a second aspect of the present disclosure, with the change of the change or the position of the communication terminal of the subscriber information of the communication terminal which is managed in the subscriber information management device, from the subscriber information management device using the SM (Session management) -NSSAI (network slice selection Assistance information) communication unit for receiving parameters relating to the information on the SM-NSSAI, wherein the communication terminal is managed in order to select the network slices using and a control unit for updating the NSSAI, the.
[0011]
　Communication system according to a third aspect of the present disclosure, with the change of subscriber information or position of the communication terminal of the communication terminal, SM (Session Management) -NSSAI (Network Slice Selection Assistance Information) the parameters related to the communication terminal a subscriber information management device to be transmitted to, and receives parameters relating to the SM-NSSAI, using parameters relating to the SM-NSSAI, and the communication terminal to update the NSSAI that have managed to select a network slice, equipped with a.
[0012]
　Fourth information management method for a communication terminal according to an aspect of the present disclosure, with the change of the change or the position of the communication terminal of the subscriber information of the communication terminal which is managed in the core network, from the core network SM ( receiving a parameter relating Session management) -NSSAI (network slice selection Assistance Information), using a parameter related to the SM-NSSAI, updates NSSAI that have managed to select a network slice.
[0013]
　Program according to a fifth aspect of the present disclosure, with the change of the change or the position of the communication terminal of the subscriber information of the communication terminal which is managed in the core network, SM from the core network (Session Management) -NSSAI ( network slice selection Assistance Information) receives a parameter related to the using parameters relating to SM-NSSAI, to execute updating the NSSAI that manages to select a network slice computer.
The invention's effect
[0014]
　The present disclosure, the communication terminal, an information management method capable of utilizing the newly generated network slices or services, and may provide Puraguramu. Furthermore, it is possible to provide to provide a core network apparatus and a communication system capable of using the network slice or service that is newly generated for UE.
BRIEF DESCRIPTION OF THE DRAWINGS
[0015]
FIG. 1 is a configuration diagram of a communication terminal according to the first embodiment.
2 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
3 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
4 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
5 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
6 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
7 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
8 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
9 is a diagram showing a flow of NSSAI update processing according to the second embodiment.
It is a block diagram of AMF according to [10] Embodiment 3.
11 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
12 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
13 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
14 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
15 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
16 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
17 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
18 is a diagram showing a flow of NSSAI update processing according to the third embodiment.
19 is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
FIG. 20 is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
21 is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
22 is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
23 is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
FIG. 24 is a diagram showing the flow of NSSAI update processing according to the fourth embodiment.
[25] is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
FIG. 26 is a diagram showing a flow of NSSAI update processing according to the fourth embodiment.
FIG. 27 is a diagram showing a flow of NSSAI update processing according to the fifth embodiment.
[FIG. 28] is a diagram showing a flow of NSSAI update processing according to the fifth embodiment.
FIG. 29 is a diagram showing a flow of NSSAI update processing according to the fifth embodiment.
[FIG. 30] is a diagram showing a flow of NSSAI update processing according to the fifth embodiment.
[FIG. 31] is a configuration diagram of a communication terminal to each of the embodiments.
[FIG. 32] is a AMF configuration diagram according to each embodiment.
DESCRIPTION OF THE INVENTION
[0016]
　(Embodiment 1)
　Hereinafter, with reference to the drawings will be described embodiments of the present disclosure. First, configuration of a communication terminal 10 according to the first embodiment will be described with reference to FIG. Communication terminal 10 may be a computer system that operates by the processor executing the program stored in the memory. Communication terminal 10 is, for example, a cellular phone terminal, a smart phone terminal, or may be a tablet terminal. Further, communication terminal 10, IoT (Internet of Things) terminal, or it may be an MTC (Machine Type Communication) terminal.
[0017]
　Communication terminal 10 includes a communication unit 11 and the control unit 12. The communication unit 11 and the control unit 12, the processor may be a software or module processing is performed by executing a program stored in the memory. Or, the communication unit 11 and the control unit 12 may be hardware such as a circuit or chip.
[0018]
　The communication unit 11 receives the parameters relating to SM (Session Management) -NSSAI (Network Slice Selection Assistance Information). For example, the communication unit 11, with the change of the position of the change or the communication terminal 10 of the subscriber information of the communication terminal 10 managed in the core network receives the parameters relating to SM-NSSAI from the core network.
[0019]
　Parameters relating to SM-NSSAI may include, for example, information identifying the SM-NSSAI. Or related parameter SM-NSSAI may include SST (Slice / Service type) or SD (Slice Differentiator). About SM-NSSAI parameter is changed or updated or changed with the change of the position of the communication terminal 10 of the subscriber information of the communication terminal 10 managed in the core network.
[0020]
　For example, the communication terminal 10, if you wish to provide services using a new network slice parameters are changed regarding SM-NSSAI communication terminal 10. In addition, the mobile communication terminal 10, the network slices are provided in the destination area, different there is a network slice that is provided in the front movement area. In such a case, the parameters are changed regarding SM-NSSAI communication terminal 10.
[0021]
　Control unit 12 uses a parameter relating to SM-NSSAI, updates NSSAI that have managed to select a network slice. NSSAI is a set of SM-NSSAI (collection). SM-NSSAI further, including the SST and SD. From this, if the identification information of the SM-NSSAI, SST, and any SD is changed, the information is also changed about NSSAI managed in the communication terminal 10. The communication terminal 10 performs the information management method. Specifically, the communication terminal 10, with the change of the position of the change or the communication terminal 10 of the subscriber information of the communication terminal 10 managed in the core network receives the parameters relating to SM-NSSAI from the core network. Next, the communication terminal 10 uses the parameters related to SM-NSSAI, updates NSSAI that have managed to select a network slice.
[0022]
　As described above, the communication terminal 10, from the core network side, when the SM-NSSAI is changed, it is possible to receive the SM-NSSAI. From this, the communication terminal 10 may update or change information about NSSAI held.
[0023]
　(Second Embodiment)
　Subsequently, with reference to FIGS. 2 and 3, is performed in a communication system as defined in 3GPP, a description is given of the flow of NSSAI update process. Further, in FIG. 2 and later, UE20, NG (Next Generation) (R) AN ((Radio) Access Network) 21 processes executed in a communication system having explained. Further, in FIG. 2 and later, a description will be given of a process executed in the AMF (Access and Mobility Management Function) entity 22. Further, in FIG. 2 and later, description is given of processing executed in a communication system having a UDM (Unified Data Management) Entity 23. Further, in FIG. 2 and later, description is given of processing executed in a communication system having a PCF (Policy Control Function) entity 24. AMF entity 22, hereinafter referred to as AMF22. UDM entity 23, hereinafter referred to as UDM23. PCF entity 24, hereinafter referred to as PCF24.
[0024]
　AMF22, UDM23, and PCF24 constitute a core network. AMF22, UDM23, and PCF24 may be referred to as a core network apparatus. UE20, NG (R) AN21, AMF22, UDM23, and PCF24 may be a computer system that operates by the processor executing the program stored in the memory.
[0025]
　UE20 is used as a general term for a communication terminal in 3GPP. NG (R) AN21, for example, illustrates a next generation access network called 5G. Or, NG (R) AN21, the communication device is located in an access network, for example, may be a device such as a base station. NG (R) AN21 may be a radio access network may be an access network using fixed communications.
[0026]
　AMF22 performs mobility management for UE20. Furthermore, AMF22 performs authentication processing regarding UE20 in cooperation with UDM23 or PCF24. UDM23 manages the subscriber data of UE20. PCF24 manages the policy information in a communication system. UDM23 may be referred to as a subscriber information management device. Subscriber information management device may include a UDM23 and UDR (User Data Repository). UDR stores the subscriber information of the UE20.
[0027]
　Figures 2 and 3 show the flow of processing to update information about the network slices in UE 20. Information about network slice, for example, be a NSSAI.
[0028]
　First, UE 20 transmits a Subscription update request message to AMF22 (S1). Subscription update request message is a request message requesting a change or update of the subscriber information of the UE 20. Subscription update request message includes UE ID, UE Capabilities, New Service Capabilities, and Old NSSAI. UE ID is information for identifying the UE 20. UE ID may be, for example, IMSI (International Mobile Subscriber Identity), TMSI (Temporary Mobile Subscriber Identity), GUTI (Globally Unique Temporary Identiifer), or may be a Temp ID. UE Capabilities may be, for example, information indicating an algorithm information used for encryption is performed and integrity protection in the UE 20. Further, UE Capabilities are either single radio that UE20 corresponding to one radio frequency band, it may include information indicating whether dual radio corresponding to two radio frequency bands. Further, UE Capabilities are either low-cost-device, the fixed terminal (fixed terminal Enter) or the battery limit (battery constrain) or a terminal with, may include information indicating a. Information showing an algorithm information used encryption is performed and integrity protection in UE20, for example, may be referred to as a UE Security Capabilities.
[0029]
　New Service Capabilities may include information about the services UE20 wishes. Information about the service is, for example, service content, may be information about the service specifications and the like.
[0030]
　Old NSSAI is currently the information about the NSSAI that UE20 is managing. Old NSSAI may be, for example, information for identifying a NSSAI.
[0031]
　Then, AMF22 confirms the integrity of the request message (verify) (S2). Then, AMF22 authenticates UE ID, UE Security capabilities, and the subscriber information (verify) (S3). AMF22 may authenticate the UE capabilities comprising UE Security capabilities.
[0032]
　Then, AMF22 transmits a Subscription Update request message to UDM23 (S4). UDM23 determines whether it is possible to connect to the network slices UE20 is newly generated (subscribe) (S5). Then, UDM23, if it is possible to connect to the network slices UE 20 is newly generated, updates the subscriber information of the UE 20 (S6). For example, UDM23 updates the SM-NSSAI and SD associated with the UE 20.
[0033]
　Then, UDM23 transmits the NSSAI Update Request message to AMF22 (S7). NSSAI Update Request message, including the New SM-NSSAI, New SD, and UE ID. New SM-NSSAI and New SD show the SM-NSSAI and SD after the update.
[0034]
　Then, AMF22 transfers NSSAI Update Request message received from UDM23 to UE 20 (S8).
[0035]
　Then, UE 20 uses the New SM-NSSAI and New SD, updates the held NSSAI (S9). In other words, UE20, using the New SM-NSSAI and New SD, to update the Old NSSAI. Then, UE 20 transmits a NSSAI Update Response message to the AMF22 (S10). NSSAI Update Response message includes the UE ID and the updated NSSAI (Updated NSSAI). Then, AMF22 transfers NSSAI Update Response message received from the UE20 to UDM23 (S11).
[0036]
　Then, UDM23 in order to update the policy information on the subscriber information and UE 20 of UE 20, communicate with each other and PCF24 (interact). UDM23 communicates with PCF24 via UDR (User Data Repository). For example, UDM23 extracts subscriber information of UE20 from UDR, and transmits the extracted subscriber information to the PCF24.
[0037]
　Then, UDM23 is to AMF22, transmits a Subscription Update Response message (S13). Then, AMF22 transfers the Subscription Update Response message received from UDM23 to UE 20 (S14).
[0038]
　Subsequently, with reference to FIGS. 4 and 5 differs from that of FIG. 2 and FIG. 3, a description is given of the flow of NSSAI update process. In FIG. 4, AMF22 does not perform the authentication of the subscriber information of the UE20 in step S23, UDM23 performs the authentication of the subscriber information UE20 in step S25. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S1 ~ S14 of FIGS.
[0039]
　Subsequently, with reference to FIGS. 6 and 7 differs from that of FIG. 2 and FIG. 3, a description is given of the flow of NSSAI update process. 7, in step S47, UDM23 is to AMF22, transmits the NSSAI Update Request message including the SST and New SD. That, UDM23 in step S46, the subscriber information of the UE 20, to update the SD.
[0040]
　Further, in step S48, AMF22 transfers NSSAI Update Request message received from UDM23 to UE 20. In step S49, UE 20 updates the NSSAI holding with New SD. In other words, UE20, instead of New SM-NSSAI, to update the NSSAI using the New SD. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S1 ~ S14 of FIGS.
[0041]
　Subsequently, with reference to FIGS. 8 and 9 differs from that of FIG. 6 and FIG. 7, a description is given of the flow of NSSAI update process. In Figure 8, AMF22 does not perform the authentication of the subscriber information of the UE20 in step S63, UDM23 performs the authentication of the subscriber information UE20 in step S65. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S41 ~ S54 of FIG. 6 and FIG. 7.
[0042]
　As described above, by executing the processing in FIGS. 2 to 9, UE 20 from AMF22, can receive at least one of New SM-NSSAI and New SD. As a result, UE 20 is the held NSSAI (i.e., Old NSSAI) can be updated.
[0043]
　(Third Embodiment)
　Subsequently, with reference to FIG. 10, illustrating an example of the configuration of AMF22 according to the third embodiment. AMF22 includes a communication unit 31 and control unit 32. The communication unit 31 and the control unit 32, the processor may be a software or module processing is performed by executing a program stored in the memory. Or, a communication unit 31 and the controller 32 may be hardware such as a circuit or chip.
[0044]
　The communication unit 31 from UDM23, receives parameters relating to SM-NSSAI associated with UE 20. For example, the communication unit 31, with the change of the change or the position of the UE 20 of the UE 20 subscriber information managed in UDM23, from UDM23, receives parameters relating to SM-NSSAI associated with UE 20.
[0045]
　Control unit 32 updates the NSSAI used to select a network slice UE20 is utilized.
[0046]
　Next, description will be given of the stream of NSSAI updating process with reference to FIGS. 11 and 12. Step S81 ~ S87 is a detailed description thereof will be omitted because it is similar to that of steps S1 ~ S7 in FIG.
[0047]
　In Figure 12, AMF22 in step S87, receives the New SM-NSSAI and New SD associated with the UE ID, UE 20 of UE 20. Then, AMF22 in step S88, using the New SM-NSSAI and New SD associated with the UE 20, to update the NSSAI associated with the held UE 20.
[0048]
　Step S89 and S90 of FIG. 12, detailed description thereof is omitted because it is similar to that of steps S11 and S12 in FIG.
[0049]
　In Figure 12, UDM23, at step S91, the to AMF22, transmits a Subscription Update Response message including New NSSAI. Furthermore, AMF22 in step S92, transmits an Subscription Update Response message including New NSSAI.
[0050]
　Further, after step S86, UDM23 is, when updating the NSSAI held in association with the UE 20, steps S87 ~ S89 may be omitted.
[0051]
　Subsequently, with reference to FIGS. 13 and 14 differs from that of FIG. 11 and FIG. 12, a description is given of the flow of NSSAI update process. In Figure 13, AMF22 does not perform the authentication of the subscriber information of the UE20 in step S103, UDM23 performs the authentication of the subscriber information UE20 in step S105. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S81 ~ S92 of FIG. 11 and FIG. 12.
[0052]
　Subsequently, with reference to FIGS. 15 and 16 differs from that of FIG. 11 and FIG. 12, a description is given of the flow of NSSAI update process. In step S127 of FIG. 16, UDM23 is to AMF22, transmits the NSSAI Update Request message including the SST and New SD. That, UDM23 in step S126, as a subscriber information UE 20, to update the SD.
[0053]
　Further, in step S128, AMF22 uses the New SD, updates NSSAI held in association with the UE 20. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S81 ~ S92 of FIG. 11 and FIG. 12.
[0054]
　Subsequently, with reference to FIGS. 17 and 18 differs from that of FIG. 15 and FIG. 16, a description is given of the flow of NSSAI update process. 17 is AMF22 does not perform the authentication of the subscriber information of the UE20 in step S143, UDM23 performs the authentication of the subscriber information UE20 in step S145. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S121 ~ S132 of FIG. 15 and FIG. 16.
[0055]
　As described above, by performing the process of FIGS. 11 to 18, AMF22 can update the NSSAI held in association with the UE 20. Furthermore, UE 20 can receive the NSSAI updated in AMF22. As a result, UE 20 is the held NSSAI (i.e., Old NSSAI) can be updated.
[0056]
　(Embodiment 4)
　Next, with reference to FIGS. 19 and 20, a description is given of the flow of NSSAI update process. 19 and 20 show a process of updating the NSSAI to trigger the processing of the core network side. First, UDM23 changes the subscriber information of the UE20 (S161). Then, UDM23 determines whether it can be connected to a network slices UE20 is newly generated (subscribe) (S162). In addition, UDM23 authenticates the subscriber information of the UE20 (S162).
[0057]
　Then, UDM23 is to AMF22, transmits the NSSAI Update Request message (S163). NSSAI Update Request message, including the New SM-NSSAI, SST, New SD, and UE ID. Then, AMF22 authenticates the UE Security capabilities used to access the UE ID, and the new network slice (verify) (S164). AMF22 may authenticate the UE capabilities comprising UE Security capabilities. Step S165 ~ S171, the detailed description thereof is omitted because it is similar to steps S8 ~ S14 of FIG. However, in the step S170 and S171, instead of the Subscription Update Response message, NSSAI Update Response Ack message is used.
[0058]
　Subsequently, with reference to FIGS. 21 and 22, it differs from FIG. 19 and FIG. 20, a description is given of the flow of NSSAI update process. 21, in step S183, UDM23 is to AMF22, transmits the NSSAI Update Request message including the SST and New SD. That, UDM23 in step S181, as a subscriber information UE 20, to change the SD.
[0059]
　Further, in step S185, AMF22 transfers NSSAI Update Request message received from UDM23 to UE 20. In step S186, UE 20 updates the NSSAI holding with New SD. The other steps, a detailed description thereof will be omitted because it is similar to that of steps S161 ~ S171 of FIG. 19 and FIG. 20.
[0060]
　Subsequently, with reference to FIGS. 23 and 24, it differs from FIG. 19 and FIG. 20, a description is given of the flow of NSSAI update process. Step S201 ~ S203 is omitted steps S161 ~ S163 and hence detailed similar description of Figure 19.
[0061]
　Then, AMF22 is to UE 20, transmits a NSSAI Request message (S204). Then, UE 20, as a response message to NSSAI Request message, to AMF22, transmits a NSSAI Response message (S205). NSSAI Response message includes the Old NSSAI. Step S204 and S205 may be omitted.
[0062]
　Step S206 ~ S210, the detailed description thereof is omitted because it is similar to that of steps S88 ~ S92 of FIG. 12. However, in the step S209 and S210, instead of the Subscription Update Response message, NSSAI Update Response Ack message is used. Further, in step S209, UDM23 is the NSSAI Update Response message may include the UE ID. Further, after step S202, UDM23 is, when updating the NSSAI held in association with the UE 20, steps S203 ~ S207 may be omitted.
[0063]
　Subsequently, with reference to FIGS. 25 and 26, it differs from FIG. 23 and FIG. 24, a description is given of the flow of NSSAI update process. Figure 25, in step S223, UDM23 is to AMF22, transmits the NSSAI Update Request message including the SST and New SD.
[0064]
　Further, in step S226, AMF22 uses the New SD, updates NSSAI associated with UE 20. Step S227 ~ S230 is omitted the detailed description is the same as the steps S207 ~ 210 in FIG. 24.
[0065]
　As described above, by performing the process of FIGS. 19 to 26, UE 20 or AMF22 as a trigger that the subscriber information is changed in the UDM23, updates NSSAI held in association with the UE 20 be able to.
[0066]
　(Embodiment 5)
　Subsequently, with reference to FIGS. 27 and 28, a description is given of the flow of NSSAI update process. First, AMF22 detects that the position of the UE20 is changed (S241). Then, AMF22 transmits NSSAI Change Required message to UDM23 (S242). NSSAI Change Required message includes a UE ID of the UE 20, UE the Location information, and Old NSSAI.
[0067]
　Then, UDM23 authenticates the UE ID and UE Security capabilities of UE 20 that is used to connect to the network slices in the destination UE 20 (S243). Furthermore, UDM23 determines whether it is possible to connect to a network slice constitute a new connection destination of UE 20 (S244).
[0068]
　Then, UDM23 is to AMF22, transmits the NSSAI Update Request message (S245). NSSAI Update Request message includes a New NSSAI and UE ID. Then, AMF22 transfers NSSAI Update Request message received to UE 20 (S246).
[0069]
　Then, UE 20 updates the NSSAI to utilize one or more network slices are provided in the destination (S247). Step S248 ~ S252, the detailed description thereof is omitted because it is similar to that of steps S167 ~ S171 in FIG. 20.
[0070]
　Next, with reference to FIGS. 29 and 30, a description is given of the flow of NSSAI update process. Step S261 ~ S265, the detailed description thereof is omitted because it is similar to that of steps S241 ~ S245 in FIG. 27 and FIG. 28.
[0071]
　Then, AMF22 is to UE 20, transmits a NSSAI Request message (S 267). Then, UE 20, as a response message to NSSAI Request message, to AMF22, transmits a NSSAI Response message (S268). NSSAI Response message includes the Old NSSAI. Then, AMF22 updates the NSSAI to utilize one or more network slices UE20 is provided in the destination (S269). Step S270 ~ S273 is omitted the detailed description is the same as the steps S227 ~ S230 in FIG. 26.
[0072]
　As described above, by performing the process of FIGS. 27 to 30, UE 20 or AMF22 as a trigger that the position information of the UE 20 in AMF22 is changed, updates the NSSAI held in association with the UE 20 can do.
[0073]
　Then, in the following, with reference to FIGS. 31 and 32, will be described more configuration example of the communication terminal 10 and AMF22 described in the above embodiments.
[0074]
　Figure 31 is a block diagram showing a configuration example of the communication terminal 10. Radio Frequency (RF) transceiver 1101 performs an analog RF signal processing for communicating with the eNB or GNb. Analog RF signal processing performed by the RF transceiver 1101 includes a frequency up-conversion, the frequency down-conversion, and amplification. RF transceiver 1101 is coupled to antenna 1102 and the base band processor 1103. That, RF transceiver 1101 receives the modulated symbol data from the baseband processor 1103, generates a transmission RF signal and provides a transmit RF signal to the antenna 1102. Modulation symbol data may be OFDM (Orthogonal Frequency Division Multiplexing) symbol data. Also, RF transceiver 1101 to generate a baseband received signal based on the reception RF signal received by an antenna 1102, and supplies it to the baseband processor 1103.
[0075]
　Baseband processor 1103 performs control plane processing and digital baseband signal processing for wireless communication (data plane processing). Digital baseband signal processing, including the generation / decomposition of (a) data compression / decompression, (b) segmentation / concatenation of data, (c) transmission format (transmission frame). Moreover, the digital baseband signal processing includes (d) is channel coding / decoding. Moreover, the digital baseband signal processing, including formation of (e) modulation (symbol mapping) / demodulation, and OFDM symbol data by (f) Inverse Fast Fourier Transform (IFFT) (baseband OFDM signal). On the other hand, the control plane processing, layer 1 (eg, transmission power control), including Layer 2 (eg, radio resource management, and hybrid automatic repeat request (HARQ) process) for communication management. Further, the control plane processing includes Layer 3 communications management (eg, attach, mobility, and signaling for call management).
[0076]
　For example, in the case of LTE and LTE-Advanced, a digital baseband signal processing by the baseband processor 1103 may include a Packet Data Convergence Protocol (PDCP) layer. Moreover, the digital baseband signal processing, Radio Link Control (RLC) layer, may include a signal processing of the MAC layer, and the PHY layer. Further, the control plane processing by baseband processor 1103, Non-Access Stratum (NAS) protocol, RRC protocol, and may include a process of MAC CE.
[0077]
　Baseband processor 1103, a modem processor that performs digital baseband signal processing may include (eg, Digital Signal Processor (DSP)). Furthermore, baseband processor 1103 may include a protocol stack processor for performing control plane processing. Protocol stack processor, for example, may be a Central Processing Unit (CPU), or Micro Processing Unit (MPU). In this case, the protocol stack processor for performing control plane processing may be shared with an application processor 1104 which will be described later.
[0078]
　The application processor 1104, CPU, MPU, also referred to as a microprocessor or processor cores. The application processor 1104 may include a plurality of processors (multiple processor cores). The application processor 1104, a memory 1106 or illustrated which do not result system read from the memory a software program (Operating System (OS)) for execution. Furthermore, the application processor by executing various application programs, realizing various functions of the communication terminal 10. Application program is, for example, call application, WEB browser, mailer, camera control application, it may be a music playback application.
[0079]
　In some implementations, as indicated by the dashed line (1105) in FIG. 31, the baseband processor 1103 and an application processor 1104 may be integrated on a single chip. In other words, the baseband processor 1103 and an application processor 1104 may be implemented as a single System on Chip (SoC) device 1105. SoC devices, sometimes referred to as system Large Scale Integration (LSI) or chipset.
[0080]
　Memory 1106 is a volatile memory or nonvolatile memory, or a combination thereof. Memory 1106 may include a physically independent plurality of memory devices. Volatile memory may be, for example, Static Random Access Memory (SRAM) or Dynamic RAM (DRAM) or a combination thereof. The non-volatile memory, a mask Read Only Memory (MROM), Electrically Erasable Programmable ROM (EEPROM), a flash memory, or hard disk drive. Or non-volatile memory, any combination thereof. For example, memory 1106, a baseband processor 1103, an application processor 1104, and may contain accessible external memory device from SoC1105. Memory 1106, within baseband processor 1103, within the application processor 1104, or may include an integrated chip memory device within SoC1105. Furthermore, memory 1106 may include a memory in the Universal Integrated Circuit Card (UICC).
[0081]
　Memory 1106 may store software modules (computer program) including instructions and data for processing by the communication terminal 10 described in several embodiments above. In some implementations, the baseband processor 1103 or the application processor 1104, by executing the software modules from the memory 1106, may be configured to perform the processing of the communication terminal 10 described in the above embodiments good.
[0082]
　Figure 32 is a block diagram showing a configuration example of AMF22. Referring to FIG. 32, AMF22 includes a network interface 1201, a processor 1202, and memory 1203. Network interface 1201 is used to communicate with other network node apparatuses constituting the communication system. Network interface 1201 may include, for example, a network interface card that complies with the IEEE 802.3 series (NIC).
[0083]
　The processor 1202 reads and executes the software from the memory 1203 (a computer program), the process of AMF22 described with reference to a sequence diagram in the embodiment described above. The processor 1202, e.g., a microprocessor, MPU (Micro Processing Unit), or a CPU (Central Processing Unit). Processor 1202 may include multiple processors.
[0084]
　Memory 1203 is constituted by a combination of volatile and nonvolatile memory. Memory 1203 may include a storage that is remotely located from the processor 1202. In this case, the processor 1202 may access the memory 1203 via the I / O interface (not shown).
[0085]
　In the example of FIG. 32, the memory 1203 is used for storing software modules. Processor 1202, these software modules that run from the memory 1203, it is possible to perform the processing of AMF22 described in the above embodiment.
[0086]
　As described with reference to FIG. 32, each of the processors included in AMF22 executes one or more programs including instructions for performing the algorithm described with reference to the drawings on the computer.
[0087]
　In the above example, the program may be stored using a non-transitory computer readable media of various types (non-transitory computer readable medium), it can be supplied to the computer. Non-transitory computer readable media include with various types of entities (tangible storage medium). Examples of non-transitory computer readable media include magnetic storage media (such as floppy disks, magnetic tape, hard disk drive), magneto-optical recording medium (e.g., magneto-optical disk). Further examples of non-transitory computer readable media, CD-ROM (Read Only Memory), including CD-R, a CD-R / W. Further examples of non-transitory computer-readable medium includes a semiconductor memory. The semiconductor memory includes, for example, a mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, and a RAM (Random Access Memory). The program may be provided to a computer using a temporary computer readable media of various types (transitory computer readable medium). Examples of transitory computer readable media include electric signals, optical signals, and electromagnetic waves. Transitory computer readable media, wired communication path such as electrical wires and optical fibers, or via a wireless communication path can provide the program to a computer.
[0088]
　The present disclosure is not limited to the above embodiments, but can be appropriately changed without departing from the spirit. The present disclosure may be implemented in combination in the form of respective embodiments as appropriate.
[0089]
　Although the present invention has been described with reference to the embodiments, the present invention is not limited by the foregoing. Configuration and details of the present invention, it is possible to make various modifications that those skilled in the art can understand within the scope of the invention.
[0090]
　This application claims priority based on India application 201711003072, filed on January 27, 2017, the entire disclosure of which is incorporated herein.
[0091]
　Some or all of the above embodiments, can be described as the following notes, not limited to the following.
　(Supplementary Note 1)
　A communication terminal which is managed in the core network,
　with the change of the position of the change or the device itself subscriber information of its own device, SM (Session Management) from the core network -NSSAI (Network Slice Selection Assistance Information) and a communication unit that receives a parameter related,
　using parameters relating to the SM-NSSAI, communication terminal and a control unit for updating the NSSAI that manages to select a network slice, a.
　(Supplementary Note 2)
　The communication unit
　receives a parameter indicating the new the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SM-NSSAI, updating the NSSAI, according to Note 1 communication terminal.
　(Supplementary Note 3)
　The communication
　unit receives a new SD (Slice Differentiator) included in the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SD, updating the NSSAI, Appendix 1 or communication terminal according to 2.
　(Note 4)
　The communication unit
　transmits a request message requesting a change of subscriber information of the own device to the core network, the communication terminal according to any one of Supplementary Notes 1 to 3.
　(Supplementary Note 5)
　The request message
　comprising said parameters related to new network slice or a new service its own device desires to join, the communication terminal according to Supplementary Note 4.
　(Supplementary Note 6)
　The communication unit
　receives the NSSAI Update Request message including parameters relating to the SM-NSSAI, communication terminal according to any one of Supplementary Notes 1 to 5.
　(Supplementary Note 7)
　with the change of the change or the position of the communication terminal of the subscriber information of the communication terminal which is managed in the subscriber information management device, SM (Session Management) from the subscriber information management device -NSSAI (Network Slice a communication unit that receives selection Assistance information) concerning parameters
　comprises using information on the SM-NSSAI, and a control unit for updating the NSSAI that have managed to select a network slice the communication terminal is utilized core network equipment.
　(Supplementary Note 8)
　The communication unit
　receives a parameter indicating the new the SM-NSSAI,
　wherein,
　Using a parameter indicating the new SM-NSSAI, updating the NSSAI, core network apparatus according to note 7.
　(Supplementary Note 9)
　The communication
　unit receives a new SD (Slice Differentiator) included in the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SD, updating the NSSAI, Appendix 7 or the core network device according to 8.
　(Supplementary Note 10)
　with the change of subscriber information or position of the communication terminal of the communication terminal, a subscriber information management apparatus for transmitting a parameter relating to SM (Session Management) -NSSAI (Network Slice Selection Assistance Information) to the communication terminal ,
　it receives a parameter related to the SM-NSSAI, using said parameters relating to SM-NSSAI, a communication system and a said communication terminal to update the NSSAI that have managed to select a network slice.
　(Supplementary Note 11)
　The subscriber information management device
　transmits a parameter indicating the new the SM-NSSAI,
　the communication terminal,
　using a parameter indicating the new SM-NSSAI, updating the NSSAI, Appendix the communication system according to 10.
　(Note 12)
　The subscriber information management
　device, and transmits the new SD (Slice Differentiator) included in the SM-NSSAI,
　the communication terminal,
　using a parameter indicating the new SD, updating the NSSAI, Appendix 10 or the communication system according to 11.
　(Supplementary Note 13)
　An information management method for a communication terminal which is managed in the core network,
　with the change of the position of the change or the communication terminal of the subscriber information of the communication terminal, from the core network SM (Session Management) receiving parameters related -NSSAI (network slice selection Assistance information) ,
　using said parameters relating to SM-NSSAI, updates NSSAI that manages to select a network slice information management method.
　(Supplementary Note 14)
　due to a change of the change or the position of the communication terminal of the subscriber information of the communication terminal which is managed in the core network, to SM (Session Management) -NSSAI (Network Slice Selection Assistance Information) from the core network receiving a parameter,
　using said parameters relating to SM-NSSAI, program for executing the updating the NSSAI that manages to select a network slice computer.
DESCRIPTION OF SYMBOLS
[0092]
　10 the communication terminal
　11 the communication unit
　12 the control unit
　20 UE
　21 NG
　(R)
　AN 22
　AMF 23 UDM 24
　PCF 31 communication section
　32 control section

WE CLAIM

A communication terminal which is managed in the core network,
　with the change of the position of the change or the device itself subscriber information of its own apparatus, an SM (Session Management) -NSSAI (Network Slice Selection Assistance Information) from the core network a communication unit that receives a parameter,
　using parameters relating to the SM-NSSAI, communication terminal and a control unit for updating the NSSAI that have managed to select a network slice.
[Requested item 2]
　The communication unit
　receives a parameter indicating the new the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SM-NSSAI, updating the NSSAI, communication terminal according to claim 1 .
[Requested item 3]
　The communication
　unit receives a new SD (Slice Differentiator) included in the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SD, updating the NSSAI, to claim 1 or 2 communication terminal according.
[Requested item 4]
　The communication unit
　transmits a request message requesting a change of subscriber information of the own device to the core network, the communication terminal according to any one of claims 1 to 3.
[Requested item 5]
　The request message,
　the device itself comprises a parameter relating to new network slice or a new service wishes to join, the communication terminal according to claim 4.
[Requested item 6]
　The communication unit
　receives the NSSAI Update Request message including parameters relating to the SM-NSSAI, communication terminal according to any one of claims 1 to 5.
[Requested item 7]
　Due to changes or changes of position of the communication terminal of the subscriber information of the communication terminal which is managed in the subscriber information management device, SM from the subscriber information management device (Session Management) -NSSAI (Network Slice Selection Assistance Information) a communication unit that receives a parameter related,
　using information on the SM-NSSAI, core network device and a control unit for updating the NSSAI that have managed to select a network slice the communication terminal is utilized.
[Requested item 8]
　The communication unit
　receives a parameter indicating the new the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SM-NSSAI, updating the NSSAI, core network according to claim 7 apparatus.
[Requested item 9]
　The communication
　unit receives a new SD (Slice Differentiator) included in the SM-NSSAI,
　the control unit,
　using a parameter indicating the new SD, updating the NSSAI, to claim 7 or 8 core network apparatus according.
[Requested item 10]
　With the change of subscriber information or position of the communication terminal of the communication terminal, a subscriber information management apparatus for transmitting a parameter relating to SM (Session Management) -NSSAI (Network Slice Selection Assistance Information) to the communication terminal,
　the SM- receiving a parameter relating NSSAI, using said parameters relating to SM-NSSAI, a communication system and a said communication terminal to update the NSSAI that have managed to select a network slice.
[Requested item 11]
　The subscriber information management device
　transmits a parameter indicating the new the SM-NSSAI,
　the communication terminal,
　using a parameter indicating the new SM-NSSAI, updating the NSSAI, claim 10 communication system.
[Requested item 12]
　The subscriber information management
　device, and transmits the new SD (Slice Differentiator) included in the SM-NSSAI,
　the communication terminal,
　using a parameter indicating the new SD, updating the NSSAI, claim 10 or communication system according to 11.
[Requested item 13]
　An information management method for a communication terminal which is managed in the core network,
　with the change of the change or the position of the communication terminal of the subscriber information of the communication terminal, SM (Session Management) from the core network -NSSAI (Network receiving the slice selection Assistance information) concerning parameters,
　using said parameters relating to SM-NSSAI, updates NSSAI that manages to select a network slice information management method.
[Requested item 14]
　With the change of the change or the position of the communication terminal of the subscriber information of the communication terminal which is managed in the core network receives the parameters relating to SM (Session Management) -NSSAI (Network Slice Selection Assistance Information) from the core network,
　using said parameters relating to SM-NSSAI, non-transitory computer readable medium which stores a program for executing the updating the NSSAI that manages to select a network slice computer.