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CN-115462174-B - Method and system for handling offloaded session management

CN115462174BCN 115462174 BCN115462174 BCN 115462174BCN-115462174-B

Abstract

A session management function receives a first message from a wireless device, the first message including delay information for offloading processing of data of an application. The session management function sends a second message including offload information to the wireless device based on the delay information.

Inventors

  • J.Lv
  • E. H. Dinan
  • QIAO WEIHUA
  • P. Taleby Farr
  • K. Parker
  • H.Cai
  • T.Jin

Assignees

  • 欧芬诺有限责任公司

Dates

Publication Date
20260508
Application Date
20210317
Priority Date
20200317

Claims (20)

  1. 1. A session management method for handling offloading, comprising: receiving, by a session management function, SMF, a first message from a wireless device, the first message including a delay value for data of an application, the delay value indicating a processing time at the wireless device, and Based on an amount of time associated with the offloading processing of the data being less than the delay value, a second message is sent by the SMF to the wireless device, the second message indicating that offloading of the data is supported.
  2. 2. The method of claim 1, wherein the first message comprises a session identifier.
  3. 3. The method of claim 1, wherein the first message comprises a session control message.
  4. 4. The method of claim 1, wherein the first message comprises a request to establish a session.
  5. 5. The method of claim 1, wherein the first message comprises a request to modify a session.
  6. 6. The method of claim 1, wherein the first message comprises a data network name DNN.
  7. 7. The method of claim 1, wherein the first message comprises single network slice selection assistance information S-NSSAI.
  8. 8. The method of claim 2, wherein the session is associated with the application and the session identifier is an identifier of the session.
  9. 9. The method of claim 1, wherein the second message comprises a session control response message.
  10. 10. The method of claim 1, wherein the second message comprises one or more of: Session establishment accept message, and Session modification accept messages.
  11. 11. The method of claim 1, wherein the second message indicates a request to offload processing.
  12. 12. The method of claim 11, wherein the amount of time comprises processing time at an application server.
  13. 13. The method of claim 11, wherein the amount of time comprises a first transmission time associated with a data transmission between the wireless device and a base station, the first transmission time associated with one or more of: Data transmission from the wireless device to a base station, and Data transmission from the base station to the wireless device.
  14. 14. The method of claim 13, further comprising sending a request for information of a transmission time of the first message to the base station and one or more of an access and mobility management function.
  15. 15. The method of claim 14, wherein the request for information of the transmission time of the first message comprises one or more of: One or more quality of service parameters; Data network name DNN, and Single network slice selection assistance information S-NSSAI.
  16. 16. The method of claim 11, wherein the amount of time comprises a second transmission time associated with a data transmission between a base station and an application server associated with the application, the second transmission time associated with one or more of: data transmission from the base station to the application server associated with the application, and Data transmission from the application server associated with the application to the base station.
  17. 17. The method of claim 16, further comprising sending a query to a user plane function for information of the second transmission time.
  18. 18. The method of claim 17, wherein the user plane function is determined based on the first message.
  19. 19. The method of claim 11, wherein the amount of time comprises a transmission delay associated with a transmission of data between the wireless device and an application server associated with the application.
  20. 20. The method of claim 1, further comprising determining, by the SMF, that the wireless device is authorized to offload the processing of the data.

Description

Method and system for handling offloaded session management Cross Reference to Related Applications The present application claims the benefit of U.S. provisional application No. 62/990,766, filed on 3/17/2020, the entire contents of which are hereby incorporated by reference. Drawings Examples of several of the various embodiments of the invention are described herein with reference to the figures. Fig. 1 is a diagram of an example 5G system architecture according to aspects of an embodiment of the present disclosure. Fig. 2 is a diagram of an example 5G system architecture according to aspects of an embodiment of the present disclosure. Fig. 3 is a system diagram of an example wireless device and network node in a 5G system according to aspects of an embodiment of the present disclosure. Fig. 4 is a system diagram of an example wireless device in accordance with aspects of an embodiment of the present disclosure. Fig. 5A and 5B depict two registration management state models in the UE 100 and AMF 155 in accordance with aspects of embodiments of the present disclosure. Fig. 6A and 6B depict two connection management state models in the UE 100 and AMF 155 in accordance with aspects of embodiments of the present disclosure. Fig. 7 is a diagram for classifying and marking traffic according to aspects of an embodiment of the present disclosure. Fig. 8 is an example call graph in accordance with aspects of an embodiment of the present disclosure. Fig. 9 is an example call diagram according to aspects of an embodiment of the present disclosure. Fig. 10 is an example call diagram according to aspects of an embodiment of the present disclosure. Fig. 11 is an example call diagram according to aspects of an embodiment of the present disclosure. Fig. 12 is an example call diagram according to aspects of an embodiment of the present disclosure. Fig. 13 is an example call graph in accordance with aspects of an embodiment of the present disclosure. Fig. 14 is an exemplary Radio Resource Control (RRC) state transition aspect according to aspects of embodiments of the present disclosure. Fig. 15 shows a service-based architecture of a 5G network with respect to interaction between a Control Plane (CP) and a User Plane (UP). Fig. 16 shows an embodiment of a system including an application server controller. Fig. 17 illustrates segment management between a cellular network domain and a Mobile Edge Computing (MEC) domain. Fig. 18A is an example call graph for MEC discovery. Fig. 18B shows an example of how an AS controller may exert an effect on traffic routing of application data within a core network. Fig. 19 shows an example of an AS controller affecting traffic routing of application data by causing a user plane reconfiguration within the core network. Fig. 20 shows an example of a calculation offload option. FIG. 21 illustrates an example call graph for offloading determination according to an example embodiment of the disclosure. FIG. 22 illustrates an example call graph for offloading determination according to an example embodiment of the disclosure. Fig. 23 shows an exemplary flow chart of the present disclosure. Fig. 24 shows an exemplary flow chart of the present disclosure. Fig. 25 shows an exemplary flow chart of the present disclosure. Detailed Description Exemplary embodiments of the present invention enable enhanced features and functionality to be implemented in 4G/5G systems. Embodiments of the technology disclosed herein may be used in the technical field of 4G/5G systems and network slicing for communication systems. More particularly, embodiments of the technology disclosed herein may relate to 5G core networks and 5G systems for network slicing in communication systems. Throughout this disclosure, UE, wireless device, and mobile device are used interchangeably. The following abbreviations are used throughout this disclosure: 5G 5 th generation mobile network 5GC5G core network 5GS5G system 5G-AN5G access network 5QI 5G QoS indicator ACK acknowledgement AF application function AMF access and mobility management functions AN access network CDR charging data record CCNF public control network functions CIoT cellular IoT CN core network CP control plane DDN downlink data notification DL downlink DN data network DNN data network name DRX discontinuous reception F-TEID fully qualified TEID GNB next generation node B GPSI common public subscription identifier GTP GPRS tunnel protocol GUTI globally unique temporary identifier HPLMN local public land mobile network IMSI international mobile subscriber identity LADN local area data network LI lawful interception MEI mobile device identifier MICO Mobile originated connection only MME mobility management entity MO mobile initiation MSISDN mobile subscriber ISDN MT Mobile termination N3IWF non-3 GPP interworking function NAI network access identifier NAS non-access stratum NAS-MM non-access stratum mobility management NAS-SM non-access stratum session management NB-