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Method and system for selecting service gateway

A technology of service gateway and gateway, applied in the field of communication

Active Publication Date: 2016-08-03
WUHAN HONGXIN TELECOMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the SGW is separated into two entities, SGW-C and SGW-U, the original method of selecting the SGW for the user equipment UE by the mobility management entity is no longer applicable. As for the problem of how to select the SGW-C and SGW-U for the UE, the current still inconclusive

Method used

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  • Method and system for selecting service gateway
  • Method and system for selecting service gateway
  • Method and system for selecting service gateway

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Embodiment Construction

[0048]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 making creative efforts belong to the protection scope of the present invention.

[0049] In order to better understand the embodiment of the present invention, the existing evolved packet core network EPC is described first.

[0050] The core network equipment in the existing EPC includes: Mobility Management Entity MME, Serving Gateway SGW, PDN Gateway PGW, and Home Subscriber Server (HomeSubscriberServer, HSS) for storing user subscription information and for measurement control and charging criteria functions Entity (Policy and charging r...

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Abstract

The embodiment of the invention discloses a method and system for selecting a service gateway. A mobile management entity selects a proper service gateway control plane entity for user equipment; and the service gateway control plane entity selected by the mobile management entity selects a service gateway user plane entity for the user equipment. Therefore, effective operation of evolved packet core network architecture after separation of an SGW into an SGW-C entity and an SGW-U entity can be guaranteed.

Description

technical field [0001] The present invention relates to the technical field of communications, and more specifically, to a service gateway selection method and system. Background technique [0002] With the growth of user data transmission services, the existing Evolved Packet Core (EPC) architecture has been unable to meet user needs and has become a bottleneck restricting the growth of user data transmission rates. Therefore, the current 3GPP organization is considering the existing The core network architecture is enhanced, and the functions of the control plane of the Serving Gateway (SGW) and the PDN gateway (Packet Data Network Gateway, PGW) are separated from the functions of the user plane. Among them, the SGW is separated into two entities: the serving gateway control plane entity SGW-C and the serving gateway user plane entity SGW-U, wherein, SGW-C is used to realize the control plane function of the original SGW, and SGW-U is used to realize the original SGW user...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/06
CPCH04W8/065
Inventor 刘杰张元雨刁洪翠
Owner WUHAN HONGXIN TELECOMM TECH CO LTD
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