EP4393193A1 - Procédé d'accès et décision de politique de mobilité - Google Patents

Procédé d'accès et décision de politique de mobilité

Info

Publication number
EP4393193A1
EP4393193A1 EP21962908.6A EP21962908A EP4393193A1 EP 4393193 A1 EP4393193 A1 EP 4393193A1 EP 21962908 A EP21962908 A EP 21962908A EP 4393193 A1 EP4393193 A1 EP 4393193A1
Authority
EP
European Patent Office
Prior art keywords
access
mobility
public network
network information
communication method
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP21962908.6A
Other languages
German (de)
English (en)
Inventor
Xiaojian YAN
Jinguo Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Publication of EP4393193A1 publication Critical patent/EP4393193A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
    • H04L47/627—Queue scheduling characterised by scheduling criteria for service slots or service orders policing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/12—Flow control between communication endpoints using signalling between network elements

Definitions

  • This document is directed generally to wireless communications, and particular to 5 th generation (5G) wireless communications.
  • PNI-NPNs Public Network Integrated Non-Public Networks
  • PLMNs public land mobile networks
  • DNNs dedicated data network names
  • NPNs Network Slice instances allocated for the NPNs.
  • DNNs dedicated data network names
  • the UE shall have a subscription for the PLMN in order to access the PNI-NPN.
  • non-public network information is determined based on the subscription data.
  • the subscription data comprises at least one of a subscribed radio access technology/frequency selection priority index, a subscribed aggregated maximum bit rate, or a subscribed CAG list.
  • the wireless communication method further comprises transmitting, to at least one of a wireless network node serving the wireless terminal or the wireless terminal, the at least one access and mobility policy parameter.
  • the present disclosure relates to a wireless communication method for use in a policy control function.
  • the method comprises:
  • the non-public network information is associated with at least one non-public network which the wireless terminal is allowed to access.
  • FIG. 7 shows a flowchart of a method according to an embodiment of the present disclosure.
  • FIG. 8 shows a flowchart of a method according to an embodiment of the present disclosure.
  • NEF Network Exposure Function
  • the UE supporting the CAG as indicated as part of the UE 5GMM Core Network Capability may be pre-configured or (re) configured with the following CAG information included in the subscription as part of the Mobility Restrictions:
  • Step 210 The AMF forwards the updated authorized RFSP Index in an N2 message (e.g. NGAP message) to the NG-RAN.
  • N2 message e.g. NGAP message
  • Step 302 If the AMF does not have subscription data for the UE, the AMF retrieves Access and Mobility Subscription data of the UE by using/transmitting a Nudm_SDM_Get (request) .
  • the UDM sends a Nudm_SDM_Get response including the Access and Mobility Subscription data to the AMF.
  • the Access and Mobility Subscription data comprises subscribed UE-AMBR.
  • Step 306 The AMF accepts the UE registration and forwards the authorized UE-AMBR to the NG-RAN in a Registration Accept message. If the UE is "CAG supported" and the AMF needs to update the CAG information of the UE, the AMF may include the CAG information as part of the Mobility Restrictions in the Registration Accept message.
  • Step 310 The AMF forwards the updated authorized UE-AMBR in an N2 message (e.g. NGAP message) to the NG-RAN.
  • N2 message e.g. NGAP message
  • Step 402 If the AMF does not have subscription data for the UE, the AMF retrieves the Access and Mobility Subscription data of the UE by using a Nudm_SDM_Get (request) .
  • the UDM sends a Nudm_SDM_Get response including the Access and Mobility Subscription data of the UE to the AMF.
  • the Access and Mobility Subscription data comprises a subscribed CAG list of the UE.
  • Step 407 If the PCF decides to update the allowed CAG list (e.g. when the total usage quota of the UE is reached and the service of a golden NPN should be ensured, the PCF may keep only CAG identifiers associated with the golden NPN in the allowed CAG list and remove other CAG identifiers from the allowed CAG list) , the PCF sends the updated allowed CAG list to the UE and the NG-RAN via the AMF by using a Npcf_AMPolicyControl_UpdateNotify request.
  • the PCF sends the updated allowed CAG list to the UE and the NG-RAN via the AMF by using a Npcf_AMPolicyControl_UpdateNotify request.
  • Step 410 The NG-RAN sends a UE Configuration Update Command message to the UE, wherein the UE Configuration Update Command message includes the allowed CAG list received in step 409.
  • the PCF performs at least one of:
  • Embodiments of the storage unit 512 include but are not limited to a subscriber identity module (SIM) , read-only memory (ROM) , flash memory, random-access memory (RAM) , hard-disk, and optical data storage device.
  • SIM subscriber identity module
  • ROM read-only memory
  • RAM random-access memory
  • the communication unit 520 may a transceiver and is used to transmit and receive signals (e.g. messages or packets) according to processing results of the processor 500.
  • the communication unit 520 transmits and receives the signals via at least one antenna 522 shown in FIG. 5.
  • the storage unit 510 and the program code 512 may be omitted and the processor 500 may include a storage unit with stored program code.
  • the processor 500 may implement any one of the steps in exemplified embodiments on the wireless terminal 50, e.g., by executing the program code 512.
  • FIG. 6 relates to a schematic diagram of a wireless network node 60 according to an embodiment of the present disclosure.
  • the wireless network node 60 may be a satellite, a base station (BS) , a network entity, a Mobility Management Entity (MME) , Serving Gateway (S-GW) , Packet Data Network (PDN) Gateway (P-GW) , a radio access network (RAN) node, a next generation RAN (NG-RAN) node, a gNB, an eNB, a gNB central unit (gNB-CU) , a gNB distributed unit (gNB-DU) a data network, a core network or a Radio Network Controller (RNC) , and is not limited herein.
  • BS base station
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • PDN Packet Data Network Gateway
  • RAN radio access network
  • NG-RAN next generation RAN
  • gNB next generation RAN
  • gNB next generation RAN
  • the communication unit 620 may be a transceiver and is used to transmit and receive signals (e.g. messages or packets) according to processing results of the processor 600.
  • the communication unit 620 transmits and receives the signals via at least one antenna 622 shown in FIG. 6.
  • the storage unit 610 and the program code 612 may be omitted.
  • the processor 600 may include a storage unit with stored program code.
  • the processor 600 may implement any steps described in exemplified embodiments on the wireless network node 60, e.g., via executing the program code 612.
  • the communication unit 620 may be a transceiver.
  • the communication unit 620 may as an alternative or in addition be combining a transmitting unit and a receiving unit configured to transmit and to receive, respectively, signals to and from a wireless terminal (e.g. a user equipment or another wireless network node) .
  • a wireless terminal e.g. a user equipment or another wireless network node
  • Step 701 Transmit, to a PCF, non-public network information associated with a wireless terminal.
  • Step 702 Receive, from the PCF, at least one access and mobility policy parameter determined based on the non-public network information for the wireless terminal.
  • the AMF transmits non-public network information associated with a wireless terminal (e.g. UE) to a PCF.
  • the PCF may update/amend/determine at least one access and mobility policy parameter and transmits the at least one access and mobility policy parameter to the AMF.
  • the AMF may transmit the non-public network information to the PCF in a registration procedure and/or in other procedures related to access and mobility policy retrieval/determination/transmission.
  • the AMF may transmit the non-public network information to the PCF when the non-public network information is updated and/or the AMF requires/needs (to update) the access and mobility policy.
  • the non-public network information may be information of (PNI) NPN (s) associated with the wireless terminal.
  • the non-public network information is associated with at least one NPN which the wireless terminal is allowed to access.
  • the non-public network information comprises a CAG list.
  • the access and mobility policy parameter may be a parameter/value/list associated with the access and mobility policy (for the wireless terminal) .
  • the at least one access and mobility policy parameter comprises at least one of an RFSP index, an AMBR (e.g. UE-AMBR) and/or a CAG list.
  • the AMF further transmits the at least one access and mobility policy parameter to the PCF, e.g., if the non-public network information does not include the at least one access and mobility policy parameter.
  • the at least one access and mobility policy parameter may be retrieved from a UDM.
  • the PCF determines/amends/updates the at least one access and mobility policy parameter based on the non-public network information and the at least one access and mobility policy parameter retrieved from the UDM.
  • the AMF retrieves subscription data associated with the wireless terminal from the UDM. Based on the retrieved subscription data, the AMF determines the non-public network information.
  • the subscription data comprises at least one of a subscribed RFSP index, a subscribed AMBR, or a subscribed CAG list.
  • the AMF transmits the at least one access and mobility policy parameter to the wireless terminal and/or a wireless network node (e.g. BS, RAN (node) or NG-RAN (node) ) serving the wireless terminal.
  • a wireless network node e.g. BS, RAN (node) or NG-RAN (node) serving the wireless terminal.
  • FIG. 8 shows a flowchart of a method according to an embodiment of the present disclosure.
  • the method shown in FIG. 8 may be used in a PCF (e.g. a wireless device comprising the PCF or a wireless device performing all of at least part of functionalities of the PCF and comprises the following steps:
  • a PCF e.g. a wireless device comprising the PCF or a wireless device performing all of at least part of functionalities of the PCF and comprises the following steps:
  • Step 801 Receive, from an AMF, non-public network information associated with a wireless terminal.
  • Step 802 Transmit, to the AMF, at least one access and mobility policy parameter determined based on the non-public network information for the wireless terminal.
  • the PCF receives non-public network information associated with a wireless terminal (e.g. UE) from an AMF. Based on the non-public network information, the PCF may determine/update/amend at least one access and mobility policy parameter. The PCF transmits the at least one access and mobility policy parameter to the AMF. Note that the PCF may receive the non-public network information from the AMF in a registration procedure and/or in other procedures associating with access and mobility policy retrieval/determination/transmission. As an alternative or in addition, the PCF may receive the non-public network information from the AMF when the non-public network information is updated and/or the AMF requires/needs (to update) the access and mobility policy.
  • a wireless terminal e.g. UE
  • the PCF may determine/update/amend at least one access and mobility policy parameter.
  • the PCF transmits the at least one access and mobility policy parameter to the AMF.
  • the PCF may receive the non-public network information from the AMF in a registration procedure and/
  • the non-public network information may be information of (PNI) NPN (s) associated with the wireless terminal.
  • the non-public network information may be associated with at least one NPN which the wireless terminal is allowed to access.
  • the non-public network information comprises a CAG list.
  • the access and mobility policy parameter may be a parameter/value/list associated with the access and mobility policy (for the wireless terminal) .
  • the at least one access and mobility policy parameter comprises at least one of an RFSP index, an AMBR (e.g. UE-AMBR) and/or a CAG list.
  • the PCF further receives the at least one access and mobility policy parameter from the AMF, e.g., in a case that the non-public network information does not include the at least one access and mobility policy parameter.
  • the at least one access and mobility policy parameter may be retrieved from a UDM.
  • the PCF determines/amends/updates the at least one access and mobility policy parameter based on the non-public network information and the at least one access and mobility policy parameter retrieved from the UDM.
  • any reference to an element herein using a designation such as “first, “ “second, “ and so forth does not generally limit the quantity or order of those elements. Rather, these designations can be used herein as a convenient means of distinguishing between two or more elements or instances of an element. Thus, a reference to first and second elements does not mean that only two elements can be employed, or that the first element must precede the second element in some manner.
  • any one of the various illustrative logical blocks, units, processors, means, circuits, methods and functions described in connection with the aspects disclosed herein can be implemented by electronic hardware (e.g., a digital implementation, an analog implementation, or a combination of the two) , firmware, various forms of program or design code incorporating instructions (which can be referred to herein, for convenience, as "software” or a “software unit” ) , or any combination of these techniques.
  • a processor, device, component, circuit, structure, machine, unit, etc. can be configured to perform one or more of the functions described herein.
  • IC integrated circuit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the logical blocks, units, and circuits can further include antennas and/or transceivers to communicate with various components within the network or within the device.
  • a general purpose processor can be a microprocessor, but in the alternative, the processor can be any conventional processor, controller, or state machine.
  • a processor can also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other suitable configuration to perform the functions described herein. If implemented in software, the functions can be stored as one or more instructions or code on a computer-readable medium. Thus, the steps of a method or algorithm disclosed herein can be implemented as software stored on a computer-readable medium.
  • Computer-readable media includes both computer storage media and communication media including any medium that can be enabled to transfer a computer program or code from one place to another.
  • a storage media can be any available media that can be accessed by a computer.
  • such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • unit refers to software, firmware, hardware, and any combination of these elements for performing the associated functions described herein. Additionally, for purpose of discussion, the various units are described as discrete units; however, as would be apparent to one of ordinary skill in the art, two or more units may be combined to form a single unit that performs the associated functions according embodiments of the present disclosure.
  • memory or other storage may be employed in embodiments of the present disclosure.
  • memory or other storage may be employed in embodiments of the present disclosure.
  • any suitable distribution of functionality between different functional units, processing logic elements or domains may be used without detracting from the present disclosure.
  • functionality illustrated to be performed by separate processing logic elements, or controllers may be performed by the same processing logic element, or controller.
  • references to specific functional units are only references to a suitable means for providing the described functionality, rather than indicative of a strict logical or physical structure or organization.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication sans fil destiné à être utilisé dans une fonction d'accès et de gestion de mobilité. Le procédé comprend la transmission, à une fonction de commande de politique, d'informations de réseau non publiques associées à un terminal sans fil, et la réception, depuis la fonction de commande de politique, d'au moins un paramètre de politique d'accès et de mobilité déterminé sur la base des informations de réseau non publiques pour le terminal sans fil.
EP21962908.6A 2021-11-05 2021-11-05 Procédé d'accès et décision de politique de mobilité Pending EP4393193A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/128840 WO2023077391A1 (fr) 2021-11-05 2021-11-05 Procédé d'accès et décision de politique de mobilité

Publications (1)

Publication Number Publication Date
EP4393193A1 true EP4393193A1 (fr) 2024-07-03

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Application Number Title Priority Date Filing Date
EP21962908.6A Pending EP4393193A1 (fr) 2021-11-05 2021-11-05 Procédé d'accès et décision de politique de mobilité

Country Status (3)

Country Link
EP (1) EP4393193A1 (fr)
CN (1) CN117897983A (fr)
WO (1) WO2023077391A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113647148A (zh) * 2019-03-15 2021-11-12 中兴通讯股份有限公司 支持集成有公共网络的非公共网络
US20220312296A1 (en) * 2019-06-10 2022-09-29 Lg Electronics Inc. Method for accessing npn in 5g mobile communication system, and user equipment
WO2021054770A1 (fr) * 2019-09-20 2021-03-25 삼성전자 주식회사 Procédé et dispositif de commande de débit de données dans un système de communication sans fil
CN114450984A (zh) * 2019-09-27 2022-05-06 诺基亚通信公司 专用网络的过滤授权列表
CN112437456B (zh) * 2020-12-07 2023-05-26 中国联合网络通信集团有限公司 一种非公共网络中的通信方法及设备

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WO2023077391A1 (fr) 2023-05-11
CN117897983A (zh) 2024-04-16

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