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A communication method and device

Technology of a communication method and a communication device, applied in the field of communication

Active Publication Date: 2021-12-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a communication method and device to solve the problem of how the user plane equipment forwards the message

Method used

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  • A communication method and device
  • A communication method and device
  • A communication method and device

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Experimental program
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Embodiment Construction

[0064] The embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0065] Embodiments of the present application can be applied to various mobile communication systems, for example: new radio (new radio, NR) system, global system of mobile communication (global system of mobile communication, GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (WCDMA) system, general packet radio service (general pcket radio service, GPRS), long term evolution (long term evolution, LTE) system, advanced long term evolution (advanced long termevolution, LTE-A) system, universal mobile telecommunication system (universal mobile telecommunication system, UMTS), evolved long term evolution (evolved long term evolution, eLTE) system, future communication system and other communication systems, specifically, there is no limitation here.

[0066] In order to fa...

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Abstract

A communication method and device, wherein the method includes: a user plane device receives a first message from a session management device; the first message is used to request establishment or update of a first session, and the first message includes a terminal service The first network instance identifier of the network instance to which the access network device belongs, and the network address of the access network device; the network address is located in the packet forwarding rule of the first message; the user plane device according to the first message A network instance identifier and the network address determine the message forwarding address; the user plane device receives the message, and determines that the received message is applicable to the message forwarding rule in the first message, using the Send the message to the message forwarding address.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0002] A packet data unit (packet data unit, PDU) session is a session between a terminal (User equipment, UE) and a data network (data network, DN), and is used to provide a PDU connection service. During the establishment of the PDU session, the session management device (such as a session management function (session management function, SMF) network element) needs to select a user plane function network element (user plane function, UPF) on the core network side for the PDU session. The UPF and an access network device (radio access network, RAN) serving the UE jointly form a data channel for processing packets of a PDU session. Because the establishment process of the PDU session adopts a non-access stratum (non-access stratum, NAS) layer protocol, it may also be called a NAS session. [0003] Ge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L45/74
CPCH04L45/74H04L45/38H04L47/125H04L67/141H04W76/11H04W40/04
Inventor 周润泽聂胜贤陈中平
Owner HUAWEI TECH CO LTD
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