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Service switching method, context migration method and related equipment

A context and handover preparation technology, applied in the field of communication, can solve problems affecting user experience, user service interruption, etc., and achieve the effect of ensuring business continuity and meeting delay and reliability requirements

Active Publication Date: 2017-08-08
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the URLLC service, since the URLLC service server (URLLC Server) is deployed near a base station or some base stations, if the user terminal moves to other base stations, it moves out of the coverage of the base station to which the URLLC service belongs; the URLLC Server Will change, will cause the user's business interruption, greatly affect the user experience

Method used

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  • Service switching method, context migration method and related equipment
  • Service switching method, context migration method and related equipment
  • Service switching method, context migration method and related equipment

Examples

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Embodiment Construction

[0221] In order to enable those skilled in the art to better understand the solutions of the present application, the following will describe the embodiments of the present application with reference to the drawings in the embodiments of the present application.

[0222] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the term "comprising" or "having" and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily...

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Abstract

The embodiment of the application discloses a service switching method, a context migration method and related equipment for ensuring the continuity of services. The method disclosed by the embodiment of the invention comprises the following steps: a target distributed control unit (DU) receives a switching request message sent by a centralized control unit (CU), and the switching request message carries at least one of the following information: the switching of a URLLC service for indicating the target DU to perform near-end deployment, a context migration protocol supported by a URLLC service server for indicating a source DU to perform near-end deployment, the information for indicating delay requirements corresponding to the URLLC service, and the information for indicating packet loss rate requirements corresponding to the URLLC service; the target DU sends a switching request response message to the CU, and the switching request response message is used for the CU to indicate UE to initiate an access to the target DU; and the switching request response message carries at least one of the following information: an IP address of a target URLLC service server, an IP address of a target local gateway, instructions for supporting the switching and a negotiated context migration protocol of the URLLC server.

Description

technical field [0001] The present invention relates to the communication field, in particular to a service switching method, a context migration method and related equipment. Background technique [0002] Traditional telecommunication networks, especially wireless communication networks, such as Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (Universal MobileTelecommunications System, UMTS), etc., have the advantages of rich service types and strong network control capabilities. a wide range of applications. With the continuous development and improvement of network technology, users have higher requirements for the rate of data services. However, due to factors such as limited frequency resources of wireless communication systems and harsh transmission environments, it is impossible to provide users with higher access rates. Therefore, broadband wireless access technology has become the main technology to solve the high access...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W36/18
CPCH04W36/0016H04W36/18
Inventor 帅扬来刘菁王岩
Owner SHANGHAI HUAWEI TECH CO LTD
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