Search International and National Patent Collections

1. (WO2018161701) SERVICE RECOVERY METHOD AND SYSTEM FOR SGW FAILURE, MME AND SGW

Pub. No.:    WO/2018/161701    International Application No.:    PCT/CN2017/119371
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Fri Dec 29 00:59:59 CET 2017
IPC: H04W 24/04
Applicants: ZTE CORPORATION
中兴通讯股份有限公司
Inventors: TAO, Wangsheng
陶望胜
Title: SERVICE RECOVERY METHOD AND SYSTEM FOR SGW FAILURE, MME AND SGW
Abstract:
A service recovery method and system for serving gateway (SGW) failure, a mobility management entity (MME) and an SGW, the service recovery method for SGW failure comprising the following steps: an MME, when performing a user service, acquires an SGW selected when a user equipment (UE) registers (S10); determining whether the SGW fails (S20); if the SGW fails, re-selecting an SGW from an SGW pool (S30); and registering the user equipment in the re-selected SGW and proceeding to execute the user service (S40).