WO2019153252A1 - Procédé de communication sans fil, dispositif de réseau et dispositif terminal - Google Patents

Procédé de communication sans fil, dispositif de réseau et dispositif terminal Download PDF

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Publication number
WO2019153252A1
WO2019153252A1 PCT/CN2018/076013 CN2018076013W WO2019153252A1 WO 2019153252 A1 WO2019153252 A1 WO 2019153252A1 CN 2018076013 W CN2018076013 W CN 2018076013W WO 2019153252 A1 WO2019153252 A1 WO 2019153252A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
network device
policy information
policy
network
Prior art date
Application number
PCT/CN2018/076013
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English (en)
Chinese (zh)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2018/076013 priority Critical patent/WO2019153252A1/fr
Priority to PCT/CN2018/079203 priority patent/WO2019153428A1/fr
Priority to RU2019139729A priority patent/RU2750996C1/ru
Priority to AU2018408054A priority patent/AU2018408054B2/en
Priority to KR1020207006586A priority patent/KR102355344B1/ko
Priority to CA3065119A priority patent/CA3065119C/fr
Priority to ES18905239T priority patent/ES2893172T3/es
Priority to CN201880042535.1A priority patent/CN110800330A/zh
Priority to PL18905239T priority patent/PL3668134T3/pl
Priority to EP18905239.2A priority patent/EP3668134B1/fr
Priority to SG11201911307TA priority patent/SG11201911307TA/en
Priority to MX2019015584A priority patent/MX2019015584A/es
Priority to EP21191084.9A priority patent/EP3926990B1/fr
Priority to BR112019027476-6A priority patent/BR112019027476A2/pt
Priority to CN202010103313.5A priority patent/CN111314908B/zh
Priority to IL271041A priority patent/IL271041B/en
Priority to JP2020513637A priority patent/JP7127118B6/ja
Priority to PCT/CN2018/109369 priority patent/WO2019153766A1/fr
Priority to TW108104175A priority patent/TWI797247B/zh
Publication of WO2019153252A1 publication Critical patent/WO2019153252A1/fr
Priority to PH12019502683A priority patent/PH12019502683A1/en
Priority to US16/709,885 priority patent/US10771962B2/en
Priority to CL2019003773A priority patent/CL2019003773A1/es
Priority to ZA2020/00039A priority patent/ZA202000039B/en
Priority to US16/983,601 priority patent/US11582596B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data

Definitions

  • Embodiments of the present invention relate to the field of communications, and, more particularly, to a method, a network device, and a terminal device for wireless communication.
  • the Policy Set Identifier (PSI) parameter of the user equipment (User Equipment, UE) is sent to the policy control function (Policy Control Function, PCF) in the initial registration message. )of. Therefore, it is easy to be intercepted by other users to form a security risk.
  • PSI Policy Set Identifier
  • PCF Policy Control Function
  • UE-2 obtains the PSI parameter of UE-1 through the registration request of UE-1 (because the Registration Request is sent in plaintext), then UE-2 can initiate the registration request and carry the PSI of UE-1.
  • the network device sends a UE Policy of UE-1 to the UE-2, causing security risks and privacy leaks.
  • a method, a network device and a terminal device for wireless communication are provided, which can timely/correctly update PSI parameters, thereby eliminating security risks.
  • a method of wireless communication comprising:
  • the first network device After obtaining the policy segmentation identifier PSI parameter of the terminal device, the first network device determines whether to update the policy information of the terminal device, where the PSI parameter is used to identify a part of the policy information for the terminal device under the subscription user. .
  • the first network device acquires the policy segmentation identifier PSI parameter of the terminal device, it is directly determined whether to update the policy information of the terminal device, so that the PSI parameter can be updated in time/correctly, thereby eliminating security risks.
  • the PSI parameter includes a user identifier
  • the determining whether to update the policy of the terminal device includes:
  • the first network device determines whether to update the policy of the terminal device according to the user identifier corresponding to the PSI parameter and the user identifier sent by the second network device.
  • the first network device determines, according to the user identifier corresponding to the PSI parameter and the user identifier sent by the second network device, whether to update the policy of the terminal device, including:
  • the first network device determines that the user identifier corresponding to the PSI parameter is different from the user identifier sent by the second network device, determining that the policy information of the terminal device is updated.
  • the determining to update policy information of the terminal device includes:
  • the first network device sends, to the terminal device, policy information corresponding to a user identifier currently using the terminal device.
  • the determining to update policy information of the terminal device includes:
  • the first network device sends the policy information corresponding to the user identifier sent by the second network device to the terminal device.
  • the user identity includes a user permanent identifier SUPI and/or a user covert identifier SUCI.
  • the global uniqueness of the PSI parameter is uniquely identified by the user identifier (for example, SUPI and/or SUCI) in the PSI parameter, so that the network device can timely/correctly update the policy information of the terminal device.
  • the PSI parameter itself is used to uniquely identify a part of the policy information for the terminal device under the subscription user.
  • the number of bits of the PSI parameter is relatively small, and only different PSI parameters under one subscription user need to be distinguished. It can be (in the dozens).
  • the first network device can determine whether the terminal device needs to update the policy information in time/correctly by comparing the user identifier carried in the PSI parameter of the terminal device with the user identifier obtained from the second network device.
  • the PSI parameter includes a public land mobile network PLMN identity and a first identity, and the first identity is used to uniquely identify a PSI parameter under the PLMN.
  • the PSI parameter includes a timestamp and/or a version identifier
  • the determining whether to update the policy of the terminal device includes:
  • the first network device learns the last update time of the policy information of the terminal device according to the timestamp and/or the version identifier in the PSI parameter, and determines whether to update according to the update time threshold and/or the latest version.
  • the policy information of the terminal device is not limited to the last update time of the policy information of the terminal device.
  • the PSI parameter is uniquely identified by the PLMN identifier and the first identifier.
  • the number of bits of the first identifier may be very large (in the hundreds of millions), and multiple SUSIs may be carried under one SUPI. Parameters have a greater impact on the network side. However, for users, security is higher.
  • the last update time of the policy information of the terminal device is obtained by using the timestamp and/or the version identifier in the PSI parameter, and then whether to update according to the update time threshold and/or the latest version. The policy information of the terminal device can timely/correctly determine whether the terminal device needs to update the policy information.
  • the method further includes:
  • the policy information of the terminal device is updated.
  • the updating the policy information of the terminal device includes:
  • the first network device periodically updates policy information of the terminal device.
  • the updating the terminal device policy information includes:
  • the first network device sends/updates part of the policy information to the terminal device according to the capability information of the terminal device.
  • the capability information includes at least one of the following information:
  • the permanent device identifier PEI the voice support capability of the terminal device, the radio frequency selection priority RFSP parameter of the terminal device, and the single-network slice selection assistance information S-NSSAI reported by the terminal device.
  • the method before the first network device updates the policy information of the terminal device according to the capability information of the terminal device, the method further includes:
  • the first network device acquires capability information of the terminal device.
  • the updating the policy information of the terminal device includes:
  • the first network device sends all the policy information to the terminal device, so that the terminal device selects part of the policy information to use in all the policy information according to its own capability.
  • the first network device is a policy control function PCF.
  • the second network device is a mobility management function AMF.
  • a method of wireless communication comprising:
  • the terminal device sends the PSI parameter to the first network device.
  • the PSI parameter includes a user identity.
  • the method further includes:
  • the terminal device receives the policy information corresponding to the current user identifier of the terminal device that is sent by the first network device.
  • the receiving, by the terminal device, the policy information that is sent by the first network device and that currently uses the user identifier of the terminal device includes:
  • the terminal device receives policy information corresponding to the user identifier sent by the second network device.
  • the user identity includes a user permanent identifier SUPI and/or a user hidden identifier SUCI.
  • the PSI parameter includes a public land mobile network PLMN identity and a first identity, and the first identity is used to uniquely identify a PSI parameter under the PLMN.
  • the method further includes:
  • the terminal device receives policy information of the terminal device that is sent by the first network device.
  • the receiving, by the terminal device, the policy information of the terminal device that is sent by the first network device includes:
  • the terminal device periodically receives policy information of the terminal device that is sent by the first network device.
  • the policy information of the terminal device that is sent by the first network device is policy information of the terminal device that is determined by the first network device according to the capability information of the terminal device.
  • the capability information includes at least one of the following information:
  • the permanent device identifier PEI the voice support capability of the terminal device, the radio frequency selection priority RFSP parameter of the terminal device, and the single-network slice selection assistance information S-NSSAI reported by the terminal device.
  • the method before the terminal device receives the policy information of the terminal device that is sent by the first network device, the method further includes:
  • the receiving, by the terminal device, the policy information of the terminal device that is sent by the first network device includes:
  • the method further includes:
  • the terminal device selects partial policy information usage in the entire policy information according to its own capability.
  • the first network device is a policy control function PCF.
  • the second network device is a mobility management function AMF.
  • a network device including:
  • a processing unit configured to determine, after acquiring a policy segmentation identifier PSI parameter of the terminal device, whether to update the policy information of the terminal device, where the PSI parameter is used to identify a part of the policy for the terminal device under the subscription user information.
  • a network device including:
  • the processor is configured to: after obtaining the policy segmentation identifier PSI parameter of the terminal device, determine whether to update the policy information of the terminal device, where the PSI parameter is used to identify a part of the policy for the terminal device under the subscription user information.
  • a terminal device including:
  • a determining unit configured to determine a part of the policy information PSI parameter for identifying the part of the subscription user for the terminal device
  • transceiver unit configured to send the PSI parameter to the first network device.
  • a terminal device including:
  • a determiner configured to determine a part of the policy information PSI parameter for the terminal device under the subscription user
  • transceiver configured to send the PSI parameter to the first network device.
  • a method of wireless communication including:
  • the first network device determines that the registration request message does not carry the policy segment identifier PSI parameter, where the PSI parameter is used to identify a part of the policy information for the terminal device under the subscription user;
  • the first network device sends policy information to the terminal device.
  • a method of wireless communication including:
  • the terminal device sends a registration request message to the network device, where the registration request message does not carry the policy segment identifier PSI parameter, where the PSI parameter is used to identify a part of the policy information for the terminal device under the subscription user;
  • the terminal device receives policy information sent by the first network device.
  • a network device including:
  • a processing unit configured to determine that the registration request message does not carry a policy segment identifier PSI parameter, where the PSI parameter is used to identify a part of the policy information used by the subscription user for the terminal device;
  • transceiver unit configured to send policy information to the terminal device.
  • a terminal device including:
  • a transceiver unit configured to send a registration request message to the network device, where the registration request message does not carry a policy segment identifier PSI parameter, where the PSI parameter is used to identify a part of the subscription user for the terminal device Strategy information;
  • the transceiver unit is further configured to receive policy information sent by the first network device.
  • a computer readable medium for storing a computer program comprising instructions for performing the method embodiments of the first, second, seventh, and eighth aspects above.
  • a computer chip includes: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed,
  • the processor may implement the various processes performed by the first network device in the first, second, seventh, and eighth aspects and method embodiments of the various implementations described above.
  • a thirteenth aspect a computer chip, comprising: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed,
  • the processor may implement the various processes performed by the terminal device in the first, second, seventh, and eighth aspects and method embodiments in the various implementations described above.
  • a communication system comprising the first network device and the terminal device described above.
  • FIG. 1 is an example of an application scenario of the present invention.
  • FIG. 2 is a schematic block diagram of a method of wireless communication according to an embodiment of the present invention.
  • FIG. 3 is another schematic block diagram of a method of wireless communication according to an embodiment of the present invention.
  • FIG. 4 is a schematic block diagram of a network device according to an embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of another network device according to an embodiment of the present invention.
  • FIG. 6 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 7 is a schematic block diagram of another terminal device according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • TDD Time Division Duplex
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include an access network device 110.
  • Access network device 110 may be a device that communicates with the terminal device. Access network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area.
  • the access network device 110 may be a Next Generation Radio Access Network (NG RAN), or a base station (gNB) in the NR system, or a cloud radio access network (Cloud Radio).
  • the wireless controller in the Access Network, CRAN), or the access network device may be a relay station, an access point, an in-vehicle device, a wearable device, or a future evolved public land mobile network (PLMN). Network equipment, etc.
  • the access network device 110 may also be a base station in an LTE system, for example, an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) device.
  • E-UTRAN Evolved
  • the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the access network device 110.
  • Terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • the wireless communication system 100 further includes a core network device 130 that communicates with the access network device.
  • the core network device 130 may be a 5G core network device, for example, an Access and Mobility Management Function (AMF), and, for example, a Session Management Function (SMF).
  • the core network device 130 may also be an Evolved Packet Core (EPC) device of the LTE network, for example, a session management function + a core network data gateway (Session Management Function+Core Packet Gateway, SMF+PGW- C) Equipment.
  • EPC Evolved Packet Core
  • SMF+PGW-C can simultaneously implement the functions that SMF and PGW-C can achieve.
  • the AMF may perform information interaction with the SMF.
  • the SMF obtains information on the radio access network side from the AMF.
  • the AMF may obtain a fallback identifier from the radio access network, or may be used to indicate that the bearer/stream is not successfully established for the terminal device.
  • Figure 1 exemplarily shows an access network device, a core network device and two terminal devices.
  • the wireless communication system 100 may comprise a plurality of access network devices and the coverage of each access network device Other numbers of terminal devices may be included in the embodiment, which are not limited in this embodiment.
  • the wireless communication system 100 may further include a Mobile Management Entity (MME), a Unified Data Management (UDM), an Authentication Server Function (AUSF), and a user plane function (User).
  • MME Mobile Management Entity
  • UDM Unified Data Management
  • AUSF Authentication Server Function
  • User user plane function
  • Other network entities such as a Plane Function (UPF), and a Signaling Gateway (SGW), are not limited in this embodiment.
  • UPF Plane Function
  • SGW Signaling Gateway
  • the terminal device shown in FIG. 1 can perform establishment and/or binding of a protocol data unit PDU session according to a path selection descriptor table corresponding to a first rule in the user equipment path selection policy URSP, the path selection descriptor The table includes at least one set of index combinations, each set of index combinations in the at least one set of index combinations including at least one index, the set of index combinations being used to indicate a set of parameter combinations, the set of parameters including for establishing and/or binding And a value of each parameter in at least one parameter of the PDU session, wherein the at least one index is in one-to-one correspondence with the at least one parameter, and each of the parameters includes at least one value.
  • the URSP is introduced in the embodiment of the present invention, and the URSP policy is a policy for selecting different Protocol Data Unit (PDU) sessions.
  • the URSP policy specifies the routing strategy of the UE for different data stream filters. For the UE, there is only one URSP, and there may be multiple rules in the URSP.
  • the rules in the URSP may include, but are not limited to, including a traffic descriptor, an application identifier, and a network protocol. Protocol, IP) descriptors, non-IP descriptors, and Route Selection descriptor (RSD). Each rule can also have different priority values.
  • the RSD table includes, but is not limited to, a value including at least one parameter for establishing and/or binding a Protocol Data Unit (PDU) session, such as a session and a service continuity mode, and network slice assistance information ( Network Slice Selection Assistance Information (NSSAI), Data Network Name (DNN), non-seamless offload indication, and wireless access type.
  • PDU Protocol Data Unit
  • NSSAI Network Slice Selection Assistance Information
  • DNN Data Network Name
  • Each parameter can include at least one value.
  • the parameter combination in the embodiment of the present application may refer to a combination of values of various parameters, for example, session and service continuity mode 1, NSSAI_1, DNN_1, non-seamless offload indication as permission, and wireless access type as third generation cooperation.
  • the 3rd Generation Partnership Project (3GPP) is a combination of parameters, session and business continuity mode 1, NSSAI_2, DNN_3, non-seamless offload indication as allowed, and wireless access type as 3rd Generation Partnership Project (3rd Generation Partnership) Project, 3GPP) is another combination of parameters.
  • all values of each parameter may be first indexed.
  • the session and business continuity mode have three values, and the session and business continuity mode 1 is represented by index 1, session and business continuity.
  • Mode 2 is represented by index 2
  • session and business continuity mode 3 is represented by index 3. Then you can use the index combination to indicate the parameter combination.
  • the index combination is [2;1;2;1;1], assuming that each index in the index combination represents the parameters from left to right: session and business continuity mode, NSSAI, DNN, non-seamless Split indication and wireless access type.
  • the parameter combination represented by the index combination [2; 1; 2; 1; 1] is a combination of session and traffic continuity mode 2, NSSAI_1, DNN_2, non-seamless offload indication is allowed, and radio access type is 3GPP.
  • at least one index combination may be added to the RSD table, and the terminal device may perform establishment and/or binding of the PDU session according to the parameter value in the parameter combination indicated by the at least one index combination.
  • FIGS. 2 and 3 are schematic block diagrams showing a method of wireless communication in an embodiment of the present application.
  • the terminal device shown in FIGS. 2 and 3 may be a terminal device as shown in FIG. 1.
  • the method shown in Figure 2 includes some or all of the following:
  • the terminal device registers a request to a (Radio) Access Network (R) AN, where the PSI parameter is included.
  • R Radio Access Network
  • the (R)AN sends a registration request to the second AMF, where the PSI parameter is included.
  • the first AMF sends a UE context to the second AMF.
  • the second AMF sends a UE context reply to the first AMF.
  • the first AMF sends an identity verification request to the terminal device.
  • the terminal device sends an identity verification response to the first AMF.
  • the first AMF performs an Authentication Server Function (AUSF) selection.
  • AUSF Authentication Server Function
  • the first AMF sends a registration completion notification to the second AMF.
  • the first AMF performs an authentication request/response operation with the terminal device and the AUSF, and the AUSF and Unified Data Management (UDM) perform an authentication request/response operation.
  • UDM Unified Data Management
  • EIR Equipment Identity Register
  • the first AMF performs UDM selection.
  • the first AMF sends a registration message to the UDM.
  • the UDM sends an access message to the first AMF.
  • the first AMF sends a subscription message to the UDM.
  • the UDM sends a registration notification message to the second AMF.
  • the second AMF sends a subscription to the UDM.
  • the first AMF performs a Policy Control Function (PCF) selection.
  • PCF Policy Control Function
  • the first AMF and the PCF establish a policy in the registration process, where the PSI parameters are included.
  • the first AMF and the PCF perform a subscription event operation.
  • the first AMF sends an update/release PDU session to a Session Management Function (SMF).
  • SMF Session Management Function
  • the first AMF sends an AMF move request to a non-3GPP interworking function (N3IWF).
  • N3IWF non-3GPP interworking function
  • the N3IWF sends an AMF mobile request reply to the first AMF.
  • the first AMF sends a reception registration to the terminal device.
  • the terminal device sends a registration to the first AMF first.
  • the Policy Set Identifier (PSI) list of the user equipment (User Equipment, UE) is sent to the Policy Control Function (Policy Control Function) in the Initial Registration message. PCF), that is, step 201, step 203 and step 216. Therefore, it is easy to be intercepted by other users to form a security risk.
  • PSI Policy Set Identifier
  • UE User Equipment
  • UE-2 obtains the PSI parameter of UE-1 through the registration request of UE-1 (because the Registration Request is sent in plaintext), then UE-2 can initiate the registration request and carry the PSI of UE-1.
  • the network device sends a UE Policy of UE-1 to the UE-2, causing security risks and privacy leaks. For example, it is assumed that the content of the policy of the UE is falsified or partially lost, but the UE always reports the same PSI parameter to the network side, so that the network side does not issue a new UE Policy, and thus the user equipment (User Equipment) , UE) Policy content has been tampered with or partially lost.
  • User Equipment User Equipment
  • FIG. 3 is a schematic block diagram of another method of wireless communication according to an embodiment of the present invention.
  • the method 300 includes:
  • the first network device acquires a policy segmentation identifier PSI parameter of the terminal device.
  • the first network device determines whether to update policy information of the terminal device.
  • the first network device determines whether to update the policy information of the terminal device. If the first network device determines to update the policy information of the terminal device, the policy information of the terminal device is updated.
  • the measurement information in the embodiment of the present invention may include, but is not limited to, a first policy, a UE Route Selection Policy (URSP) policy, and a Wireless Local Area Network Selection Policy (WLANSP).
  • the first policy may be a policy for selecting a Service Set Identifier (SSID) for wireless LAN (WLAN) access, and the URSP policy is for selecting a different protocol data unit (Protocol Data Unit, PDU). ) The strategy of the session.
  • SSID Service Set Identifier
  • PDU Protocol Data Unit
  • a Policy Part Identifier (PSI) list is introduced, which is used to flexibly divide the UE Policy.
  • PSI Policy Part Identifier
  • the terminal device is in the initial registration request message, and the PSI parameter saved by the terminal device is added and transmitted to the PCF, so that the PCF can know the PSI stored by the current terminal device. What is the parameter so that the PCF can adjust the UE Policy as needed.
  • the PSI parameters include a user identification.
  • the first network device receives the user identifier sent by the second network device, and the first network device determines whether to update the terminal device according to the user identifier corresponding to the PSI parameter and the user identifier sent by the second network device.
  • Strategy when the first network device determines that the user identifier corresponding to the PSI parameter is different from the user identifier sent by the second network device, determining that the policy information of the terminal device is updated.
  • the first network device when the first network device determines that the user identifier corresponding to the PSI parameter is different from the user identifier sent by the second network device, the first network device sends a policy corresponding to the user identifier currently using the terminal device to the terminal device. information. More specifically, when the first network device determines that the user identifier corresponding to the PSI parameter is different from the user identifier sent by the second network device, the first network device sends the user identifier corresponding to the second network device to the terminal device. Strategy information.
  • the user identifier includes a Subscriber Private Identifier (SUPI) and/or a Subscriber Concealed Identifier (SUCI).
  • the user identifier may also be an International Mobile Subscriber Identification Number (IMSI) assigned by the service provider (SP) to the UE.
  • IMSI International Mobile Subscriber Identification Number
  • SP service provider
  • the IMSI is different from the mobile user.
  • SIM Subscriber Identification Module
  • the identifier is stored in a Subscriber Identification Module (SIM) card and can be used to distinguish the valid information of the mobile user.
  • SIM Subscriber Identification Module
  • the user identifier can also be a temporary UE identification number (S-TMSI) or a mobile device international identity code (International). Mobile Equipment Identity, IMEI) and more.
  • the global uniqueness of the PSI parameter is uniquely identified by the user identifier (for example, SUPI and/or SUCI) in the PSI parameter, so that the network device can timely/correctly update the policy information of the terminal device.
  • the PSI parameter itself is used to identify a part of the policy information for the terminal device under the subscription user, and the number of bits is relatively small, and only needs to distinguish different PSI parameters under one subscription user ( Count to ten).
  • the first network device can determine whether the terminal device needs to update the policy information in time/correctly by comparing the user identifier carried in the PSI parameter of the terminal device with the user identifier obtained from the second network device.
  • the first network device involved in the embodiment of the present invention may be a PCF, or may be a core network device, and the second network device may be an AMF or a core network device, which is not specifically limited in this embodiment of the present invention. .
  • the PSI parameter includes a user identifier as an example, and the embodiment of the present invention is not limited thereto.
  • the PSI parameter includes a Public Land Mobile Network (PLMN) identifier and a first identifier, the first identifier being used to uniquely identify a PSI parameter under the PLMN.
  • the PSI parameter may also include a timestamp and/or a version identifier. Therefore, the first network device can learn the last update time of the policy information of the terminal device according to the timestamp and/or the version identifier in the PSI parameter, and determine whether the update time threshold and/or the latest version is used according to the update time threshold and/or the latest version. Update the policy information of the terminal device. For example, China Mobile's PLMN is 46,000, and China Unicom's PLMN is 46001.
  • the PSI parameter is uniquely identified by the PLMN identifier and the first identifier.
  • the number of bits of the first identifier may be very large (in the hundreds of millions), and multiple SUSIs may be carried under one SUPI. Parameters have a greater impact on the network side. However, for users, security is higher.
  • the last update time of the policy information of the terminal device is obtained by using the timestamp and/or the version identifier in the PSI parameter, and then whether to update according to the update time threshold and/or the latest version. The policy information of the terminal device can timely/correctly determine whether the terminal device needs to update the policy information.
  • the embodiment of the present invention further provides a manner of updating policy information of the terminal device. Specifically, when the first network device determines a policy for updating the terminal device, the policy information of the terminal device is updated. In an embodiment, the first network device may periodically update policy information of the terminal device. In another embodiment, the first network device may also update the policy information of the terminal device non-periodically. Further, when the first network device determines the policy for updating the terminal device, the embodiment of the present invention further provides an implementation manner for updating the policy information. For example, when the first network device determines a policy for updating the terminal device, the first network device may send all the policy information to the terminal device, so that the terminal device selects part of the policy information to use in the entire policy information according to its own capability.
  • the first network device may send/update part of the policy information to the terminal device according to the capability information of the terminal device.
  • the capability information includes at least one of the following information: a permanent device identifier (PEI), a voice support capability of the terminal device, and a radio frequency selection priority (RFSP) parameter of the terminal device.
  • PKI permanent device identifier
  • RFSP radio frequency selection priority
  • S-NSSAI Single-Network Slice Selection Assistance Information
  • a method for wireless communication including:
  • the first network device determines that the registration request message does not carry the policy segment identifier PSI parameter, where the PSI parameter is used to identify a part of the policy information for the terminal device under the subscription user; the first network device The terminal device sends policy information. For the terminal device, the terminal device sends a registration request message to the network device, where the registration request message does not carry the policy segment identifier PSI parameter; the terminal device receives the policy information sent by the first network device.
  • FIG. 4 is a schematic block diagram of a network device according to an embodiment of the present invention.
  • the network device 400 includes:
  • the processing unit 410 is configured to determine whether to update the policy information of the terminal device after acquiring the policy segment identifier PSI parameter of the terminal device.
  • the PSI parameter includes a user identifier.
  • the terminal device further includes:
  • the transceiver unit 420 is configured to receive a user identifier sent by the second network device.
  • the processing unit 410 is specifically configured to determine whether to update the policy of the terminal device according to the user identifier corresponding to the PSI parameter and the user identifier sent by the second network device.
  • processing unit 410 is more specifically configured to:
  • the processing unit 410 is further configured to: send, to the terminal device, policy information corresponding to a user identifier that currently uses the terminal device.
  • the processing unit 410 is configured to: send, to the terminal device, policy information corresponding to the user identifier sent by the second network device.
  • the user identity comprises a user permanent identifier SUPI and/or a user covert identifier SUCI.
  • the PSI parameter includes a public land mobile network PLMN identifier and a first identifier, where the first identifier is used to uniquely identify a PSI parameter under the PLMN.
  • the PSI parameter includes a timestamp and/or a version identifier
  • the processing unit 410 is specifically configured to:
  • processing unit 410 is further configured to:
  • the policy information of the terminal device is updated.
  • processing unit 410 is specifically configured to:
  • processing unit 410 is specifically configured to:
  • part of the policy information is sent/updated to the terminal device.
  • the capability information of the terminal device includes at least one of the following information:
  • the permanent device identifier PEI the voice support capability of the terminal device, the radio frequency selection priority RFSP parameter of the terminal device, and the single-network slice selection assistance information S-NSSAI reported by the terminal device.
  • processing unit 410 is further configured to:
  • processing unit 410 is specifically configured to:
  • All the policy information is sent to the terminal device, so that the terminal device selects part of the policy information to use in the entire policy information according to its own capability.
  • the network device is a policy control function PCF.
  • the second network device is a mobility management function AMF.
  • the processing unit 410 may be implemented by a processor, and the transceiver unit 420 may be implemented by a transceiver.
  • network device 500 can include a processor 510, a transceiver 520, and a memory 530.
  • the memory 530 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 510.
  • the various components in the network device 500 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • the network device 500 shown in FIG. 5 can implement various processes implemented by the first network device in the method embodiment shown in FIG. 3. To avoid repetition, details are not described herein again.
  • FIG. 6 is a schematic block diagram of a terminal device 600 according to an embodiment of the present invention.
  • the terminal device 600 includes:
  • the determining unit 610 is configured to determine a part of the policy information PSI parameter for identifying the part of the subscription user for the terminal device;
  • the transceiver unit 620 is configured to send the PSI parameter to the first network device.
  • the PSI parameter includes a user identifier.
  • the transceiver unit 620 is further configured to:
  • the transceiver unit 620 is specifically configured to:
  • the user identification comprises a user permanent identifier SUPI and/or a user hidden identifier SUCI.
  • the PSI parameter includes a public land mobile network PLMN identifier and a first identifier, where the first identifier is used to uniquely identify a PSI parameter under the PLMN.
  • the transceiver unit 620 is further configured to:
  • the transceiver unit 620 is more specifically configured to:
  • the policy information of the terminal device sent by the first network device is periodically received.
  • the terminal device is policy information of the terminal device determined by the first network device according to the capability information of the terminal device.
  • the capability information of the terminal device includes at least one of the following information:
  • the permanent device identifier PEI the voice support capability of the terminal device, the radio frequency selection priority RFSP parameter of the terminal device, and the single-network slice selection assistance information S-NSSAI reported by the terminal device.
  • the transceiver unit 620 is further configured to:
  • the transceiver unit 620 is specifically configured to:
  • the processing unit is further configured to select partial policy information usage in the total policy information according to its own capabilities.
  • the first network device is a policy control function PCF.
  • the second network device is a mobility management function AMF.
  • the processing unit 610 can be implemented by a processor, and the transceiver unit 620 can be implemented by a transceiver.
  • the terminal device 700 can include a processor 710, a transceiver 720, and a memory 730.
  • the memory 730 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 710.
  • the various components in the terminal device 700 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • the terminal device 700 shown in FIG. 7 can implement various processes implemented by the terminal device in the method embodiment shown in FIG. 3. To avoid repetition, details are not described herein again. That is to say, the method embodiment in the embodiment of the present invention may be applied to a processor or implemented by a processor.
  • the embodiment of the present invention further provides a network device, including: a processing unit, configured to determine that a registration request message does not carry a policy segment identifier PSI parameter, where the PSI parameter is used to identify a subscription user A part of the policy information used by the terminal device; the transceiver unit is configured to send the policy information to the terminal device.
  • the embodiment of the present invention further provides a terminal device, including: a transceiver unit, configured to send a registration request message to a network device, where the registration request message does not carry a policy segment identifier PSI parameter, where the PSI parameter And a method for identifying a part of the subscription information for the terminal device, where the transceiver unit is further configured to receive the policy information sent by the first network device.
  • each step of the method embodiment in the embodiment of the present invention may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. More specifically, the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the processor mentioned in the embodiment of the present invention may be an integrated circuit chip, which has signal processing capability, and may implement or execute the disclosed methods, steps, and logic blocks in the embodiments of the present invention.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
  • the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory referred to in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • the memory in the embodiment of the present invention may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
  • SDRAM Synchronous dynamic random access memory
  • DDR double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous connection Synchro link DRAM
  • DR RAM direct memory bus
  • first identifier may be employed in embodiments of the invention, but such identifiers should not be limited to these terms. These terms are only used to distinguish the logos from one another.
  • the words “at time” as used herein may be interpreted as “if” or “if” or “when” or “in response to determining” or “in response to detecting” ".
  • the phrase “if determined” or “if detected (conditions or events stated)” may be interpreted as “when determined” or “in response to determination” or “when detected (stated condition or event) "Time” or “in response to a test (condition or event stated)”.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in the embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product stored in a storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication, un dispositif de réseau et un dispositif terminal. Le procédé comprend les étapes suivantes : après l'acquisition d'un paramètre d'identifiant d'ensemble de politiques (PSI) d'un dispositif terminal, un premier dispositif de réseau détermine s'il faut mettre à jour des informations de politique concernant le dispositif terminal, le paramètre PSI étant utilisé afin d'identifier une partie d'informations de politique selon un utilisateur abonné pour le dispositif terminal. Dans les modes de réalisation de la présente invention, Après l'acquisition du paramètre PSI du dispositif terminal, le premier dispositif de réseau détermine directement s'il faut mettre à jour les informations de politique concernant le dispositif terminal, et peut ainsi mettre en oeuvre la mise à jour opportune/correcte du paramètre PSI, ce qui permet d'éliminer les risques de sécurité.
PCT/CN2018/076013 2018-02-09 2018-02-09 Procédé de communication sans fil, dispositif de réseau et dispositif terminal WO2019153252A1 (fr)

Priority Applications (24)

Application Number Priority Date Filing Date Title
PCT/CN2018/076013 WO2019153252A1 (fr) 2018-02-09 2018-02-09 Procédé de communication sans fil, dispositif de réseau et dispositif terminal
PCT/CN2018/079203 WO2019153428A1 (fr) 2018-02-09 2018-03-15 Procédé de communication sans fil, dispositif de réseau et dispositif terminal
MX2019015584A MX2019015584A (es) 2018-02-09 2018-10-08 Procedimiento de comunicacion inalambrica, dispositivo de red y dispositivo terminal.
BR112019027476-6A BR112019027476A2 (pt) 2018-02-09 2018-10-08 método de comunicação sem fio, dispositivo de rede, dispositivo terminal, chip, mídia de armazenamento e produto de programa de computador
KR1020207006586A KR102355344B1 (ko) 2018-02-09 2018-10-08 무선 통신의 방법, 네트워크 장치와 단말 장치
CA3065119A CA3065119C (fr) 2018-02-09 2018-10-08 Procede de communication sans fil, dispositif de reseau et dispositif terminal
ES18905239T ES2893172T3 (es) 2018-02-09 2018-10-08 Método de comunicación inalámbrica, dispositivo de red y dispositivo terminal
CN201880042535.1A CN110800330A (zh) 2018-02-09 2018-10-08 无线通信的方法、网络设备和终端设备
PL18905239T PL3668134T3 (pl) 2018-02-09 2018-10-08 Sposób komunikacji bezprzewodowej, urządzenie sieciowe i urządzenie końcowe
EP18905239.2A EP3668134B1 (fr) 2018-02-09 2018-10-08 Procédé de communication sans fil, dispositif de réseau et dispositif terminal
SG11201911307TA SG11201911307TA (en) 2018-02-09 2018-10-08 Wireless communication method, network device, and terminal device
RU2019139729A RU2750996C1 (ru) 2018-02-09 2018-10-08 Способ беспроводной связи, сетевое устройство и терминал
EP21191084.9A EP3926990B1 (fr) 2018-02-09 2018-10-08 Procédé de communication sans fil, dispositif de réseau et dispositif terminal
AU2018408054A AU2018408054B2 (en) 2018-02-09 2018-10-08 Wireless communication method, network device, and terminal device
CN202010103313.5A CN111314908B (zh) 2018-02-09 2018-10-08 无线通信的方法、网络设备和终端设备
IL271041A IL271041B (en) 2018-02-09 2018-10-08 Method, network unit and end unit for wireless communication
JP2020513637A JP7127118B6 (ja) 2018-02-09 2018-10-08 無線通信の方法、ネットワーク装置及び端末装置
PCT/CN2018/109369 WO2019153766A1 (fr) 2018-02-09 2018-10-08 Procédé de communication sans fil, dispositif de réseau et dispositif terminal
TW108104175A TWI797247B (zh) 2018-02-09 2019-02-01 無線通訊的方法、網路設備和終端設備
PH12019502683A PH12019502683A1 (en) 2018-02-09 2019-11-28 Wireless communication method, network device, and terminal device
US16/709,885 US10771962B2 (en) 2018-02-09 2019-12-10 Method for updating policy information, network device and terminal device
CL2019003773A CL2019003773A1 (es) 2018-02-09 2019-12-20 Procedimiento de comunicación inalámbrica, dispositivo de red y dispositivo terminal.
ZA2020/00039A ZA202000039B (en) 2018-02-09 2020-01-03 Wireless communication method, network device, and terminal device
US16/983,601 US11582596B2 (en) 2018-02-09 2020-08-03 Method for updating policy information, network device and terminal device

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