CSFB wireless optimization problems and solutions

杜建俊; 郭宝; 张阳

doi:10.13992/j.cnki.tetas.2014.09.001

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CSFB wireless optimization problems and solutions

更新时间：2026-04-20

- CSFB wireless optimization problems and solutions
- Vol. 27, Issue 9, Pages: 1-5(2014)
- 作者机构：
  
  1. 中国移动通信集团山西有限公司太原分公司
  2. 中国移动通信集团公司
- 作者简介：
- 基金信息：
- DOI：10.13992/j.cnki.tetas.2014.09.001
  CLC： TN929.5
- Published：2014
- 稿件说明：
移动端阅览
[1]杜建俊,郭宝,张阳.CSFB无线优化中面临的问题与解决方案[J].电信工程技术与标准化,2014,27(09):1-5.

杜建俊, 郭宝, 张阳. CSFB wireless optimization problems and solutions[J]. 2014, 27(9): 1-5.
[1]杜建俊,郭宝,张阳.CSFB无线优化中面临的问题与解决方案[J].电信工程技术与标准化,2014,27(09):1-5. DOI： 10.13992/j.cnki.tetas.2014.09.001.

杜建俊, 郭宝, 张阳. CSFB wireless optimization problems and solutions[J]. 2014, 27(9): 1-5. DOI： 10.13992/j.cnki.tetas.2014.09.001.

摘要

TD-LTE系统是纯IP网络

只提供PS业务

目前TD-LTE系统话音解决方案有单卡双待和话音回落两种

话音回落方案对终端电池的续航能力有较大提升。本文重点介绍了TD-LTE系统话音回落方式、附着流程和主被叫流程

对实际工作中CSFB遇到的典型问题如未开启CSFB功能、回落到2G失败、挂机后不能正常返回4G网络等问题进行细致的信令分析

并给出了优化解决建议。

Abstract

TD-LTE system as a pure IP networks

provides only the PS business. CSFB and single SIM dual-band are the two ways to voice solutions to be the current TD- LTE system. CSFB on terminal battery has a larger increase. It is discussed in this paper focus on TD-LTE system voice fall back pattern

attachments

procedure and called fl ow. CSFB typical issues

such as unopened CSFB features

down to 2G failed

hook doesn’t return such as the 4G

network problems after careful analysis of signaling

and suggesting an optimization solution.

关键词

Keywords

references

排除F频段组网障碍提升LTE整体性能 [J]. 潘淑敏,陶磊. 通信世界 . 2013(11)

TD-LTE D频段和F频段对比测试分析 [J]. 熊宙实,王群勇,岑曙炜,张真桢. 电信技术 . 2012(07)

LTE与2G/3G网络融合部署策略探究 [J]. 章海峰,李俊平. 邮电设计技术 . 2012(02)

TD-LTE发展中的关键问题 [J]. 董伟杰,王超. 通信技术 . 2010(05)

3GPP LTE标准化进展 [J]. 徐景,胡宏林,周婷. 中兴通讯技术 . 2007(02)

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