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Switching method, communication system and related equipment

A technology of handover request and target system, applied in the field of communication, can solve the problems of handover failure and inability to correctly determine voice handover, etc., to ensure the effect of correct execution

Active Publication Date: 2010-09-29
HUAWEI TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] Since the handover procedures of SRVCC and CSoPS are similar, when a voice handover occurs in a network that supports SRVCC and CSoPS at the same time, the network side may not be able to correctly determine which handover method should be used for voice handover, that is, it may be necessary to use SRVCC for handover , send the forwarding redirection request to the core network circuit domain that provides the service, or send the forwarding redirection request to the mobile switching center server when CSoPS mode is required for handover, resulting in handover failure

Method used

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  • Switching method, communication system and related equipment
  • Switching method, communication system and related equipment
  • Switching method, communication system and related equipment

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0044] The embodiment of the present invention provides a handover method, a communication system, and related equipment. Firstly, the handover method provided by the embodiment of the present invention is introduced. figure 1 The flow of the first embodiment of the handover method provided by the embodiment of the present invention is described. This embodiment describes the processing flow of the general access network controller (GANC: GAN Controller) or the inte...

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Abstract

The invention relates to the technical field of communication, and discloses a switching method, a communication system and related equipment. The switching method comprises the following steps of: receiving a forward relocation request which comprises a service instruction; determining the type of the service instruction; when the service instruction is a single radio voice call continuity (SRVVC) service instruction, sending the forward relocation request to an SRVCC mobile switching center server; and when the service instruction is a CSoPS service instruction which is connected to a data field core network through a circuit switch access network, sending the forward relocation request to a mobile switching center server of a core network circuit switch in a target system. Through the technical scheme provided by the embodiment of the invention, the switching mode needing to be adopted can be accurately determined.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a switching method, a communication system and related equipment. Background technique [0002] With the rapid development of communication technology, more and more operators will deploy Long Term Evolved (LTE: Long Term Evolved) networks. Since full deployment of LTE requires more funds, operators may invest in LTE in stages investment. For example, in the initial stage of LTE deployment, a voice solution based on the CSoPS (CS over PS) architecture was selected to meet users' voice services; with the further large-scale deployment of LTE, operators The service provider can deploy the service control network of the multimedia subsystem (IMS: IP Multimedia Subsystem). At this time, the control and continuity guarantee of the voice service can be based on the voice continuity between the single receiver multimedia subsystem and the circuit domain (SRVCC: single rad...

Claims

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Application Information

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IPC IPC(8): H04W36/14H04W88/08H04W88/12
Inventor 温立吴晓波张戬胡华东
Owner HUAWEI TECH CO LTD
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