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Communication method, related device and system

A technology for multimedia subsystems and business information, applied in the field of communication methods, related devices and systems, capable of solving unresolved problems

Pending Publication Date: 2019-06-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in some scenarios, the IP multimedia sub-system (IP multimedia sub-system) IMS network also needs to be sliced. The existing technology does not solve how to select the corresponding incoming service request after the UE accesses the IMS slice network. Technical Issues of IMS Slicing Network

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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Embodiment Construction

[0044] This application provides a communication method, related device and system, see figure 1 , figure 1 It is a schematic diagram of networking of the communication system provided in Embodiment 1.

[0045] Such as figure 1 As shown, the communication system provided in this embodiment includes user equipment (user equipment, UE) and network side equipment. The network-side equipment includes a 5G core network (5G core network, 5GC) that performs mobility management and user plane control on user equipment accessing the 5G network, and an IMS network that provides IMS services to user equipment.

[0046] Among them, 5GC can perform network slicing. For example, 5GC is cut into 5GC1 and 5GC2. In addition, the IMS network is also sliced ​​into IMS1 and IMS2. The principles for slicing by the IMS network and 5GC may include service types, user types, user levels, number segments, etc., which are not limited in this embodiment of the present application. Different IMS ne...

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Abstract

Embodiments provide a communication method, a related device and a system in an IMS slice network. In the embodiment, the method comprises: an HSS receiving the query request message sent by the querycall session control function device I-CSCF, the query request message carries the service information, and then the HSS obtains the service call session control function device S corresponding to the service information; the address of the CSCF, the S-CSCF is located in the IMS slice network; the HSS sending an inquiry response message to the I-CSCF, and the inquiry response message carries theaddress of the S-CSCF in the IMS slice network. Since the I-CSCF carries the service information in the incoming service request received before sending the query request message, the I-CSCF may, after receiving the query response message sent by the HSS, route or send the incoming service request to the corresponding S-CSCF (or the IMS slice network) to process, which solves the technical problemof incoming service request routing errors in the IMS slicing scenario.

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. Network slicing (slice) is one of the features provided by the 5G network, which can meet different service requirements by separating different network slices for the 5G network. [0003] In the prior art, the process of selecting a 5G core network (5G core, 5GC) slice in cooperation between the user equipment (User Equipment, UE) and the 5G network is defined, and the UE selects the corresponding 5GC network slice according to different service requirements, and each 5GC slice is UEs are allocated different IP addresses, for example, UEs use different IP addresses to initiate different services. [0...

Claims

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Application Information

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IPC IPC(8): H04W28/16H04L29/06
CPCH04W28/16H04L9/40
Inventor 张彪舒续祖左俊刘世岳
Owner HUAWEI TECH CO LTD
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