电信科学 ›› 2016, Vol. 32 ›› Issue (2): 153-157.doi: 10.3969/j.issn.1000-0801.2016.02.022

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CSFB终端接入非CSFB 4G网络解决方案

黄云飞1,陆健贤1,赵旭2,王庆扬2   

  1. 1 中国电信股份有限公司广东分公司,广东 广州 510062
    2 中国电信股份有限公司广州研究院,广东 广州510630
  • 发布日期:2017-02-03

Solution of CSFB UE accessing no-CSFB 4G network

UANGYunfei H1,Jianxian LU1,Xu ZHAO2,Qingyang WANG2   

  1. 1 Guangdong Branch of China Telecom Co.,Ltd.,Guangzhou 510062,China
    2 Guangzhou Research Institute of China Telecom Co.,Ltd.,Guangzhou 510630,China
  • Published:2017-02-03

摘要:

针对CSFB 4G终端无法自动接入非CSFB 4G网络问题,测试定位了问题产生的原因为3GPP 协议限制,然后提出了协议和终端改进建议,使CSFB 4G 终端能够自动接入非CSFB 4G 网络,同时能够至少驻留在一个合法网络上,改善了用户体验。

关键词: 4G, CSFB, 自动接入, 合法网络, 解决方案

Abstract:

Focusing on the CSFB 4G UE couldn’t access no-CSFB 4G network automatically,some tests and analysis had been done and located the root cause of the problem by 3GPP specification. Some solutions about UE and 3GPP specification were presented that maked CSFB 4G UE access no-CSFB 4G network automatically and stay in a legalized network,giving users good experience.

Key words: 4G, circuit switched fallback, access automatically, legal network, solution

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