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Communication method, related device and system

A communication method and location area technology, applied in the field of communication, can solve problems such as inability to implement 5G network voice calls, registration, and failure of user equipment

Active Publication Date: 2021-10-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, some network operators have not deployed VoLTE networks based on IP Multimedia Subsystem (IMS) technology, and user equipment cannot be registered in the VoLTE network, thus making voice calls under 5G networks impossible.

Method used

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  • Communication method, related device and system
  • Communication method, related device and system
  • Communication method, related device and system

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Experimental program
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Embodiment Construction

[0040] In the embodiment of the present invention, network operators can provide networks of different generations, such as second generation (2G) networks and third generation (3G) networks. 2G networks include but are not limited to Global system for mobile communications (Global system for mobile communications, GSM), GSM Evolution Enhanced Data Rates (Enhanced Data Rates for Global Evolution, EDGE), Code Division Multiple Access (Code Division Multiple Access, CDMA) and personal handy phone system (personal handy phone system, PHS) network, 3G network Including but not limited to Code Division Multiple Access 2000 (CDMA2000), Universal Mobile Telecommunications System (UMTS) and Time Division-Synchronous Code Division Multiple Access, TD-SCDMA) network. Both the 2G network and the 3G network are circuit switched (circuit switched, CS) networks. After network operators deploy 5G networks, 2G networks and 3G networks can coexist with 5G networks. After the 5G network is de...

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Abstract

The invention relates to a communication method, a related device and a system. In the embodiment of the present invention, the AMF device receives the joint registration request of the user equipment, and the joint registration request carries the location information of the user equipment in the 5G network; Registration for 5G networks. After the registration of the 5G network is completed, send a joint location update request to the mobile switching center MSC of the circuit switching network, which carries the location information of the user equipment in the 5G network and the identity of the AMF, and then receive the joint location update sent by the MSC Accept the message, the joint location update accept message carries the temporary identifier assigned by the CS network to the user equipment, and sends a registration acceptance message to the user equipment, which carries the temporary identifier assigned by the CS network to the user equipment, thereby completing the user Registration of the device in the CS network. After successful registration, the user equipment can subsequently use the temporary identifier to make voice calls on the CS network.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a communication method, a related device and a system. Background technique [0002] The fifth generation (5th generation, 5G) network is a next-generation network that network operators hope to deploy, and it has the characteristics of high speed and low delay. In the 5G network, the voice service may be transmitted in an Internet Protocol (Internet Protocol, IP) manner, for example, in a voice over LTE (Voice over Long Term Evolution, VoLTE) manner. [0003] However, some network operators have not deployed VoLTE networks based on IP Multimedia Subsystem (IMS) technology, and user equipment cannot be registered in the VoLTE network, thus making it impossible to implement voice calls under the 5G network. Contents of the invention [0004] Embodiments of the present invention provide a communication method, a related device and a system capable of realizing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W60/00H04W64/00H04W36/14
CPCH04W60/00H04W64/00H04W8/08
Inventor 张彪
Owner HUAWEI TECH CO LTD