The study of handover performance with intra- frequency and inter-frequency

马宁; 李春明; 万仁辉; 武琳栋

doi:10.13992/j.cnki.tetas.2014.07.013

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The study of handover performance with intra- frequency and inter-frequency

更新时间：2026-04-20

- The study of handover performance with intra- frequency and inter-frequency
- Vol. 27, Issue 7, Pages: 67-71(2014)
- 作者机构：
  
  中国移动通信集团设计院有限公司
- 作者简介：
- 基金信息：
- DOI：10.13992/j.cnki.tetas.2014.07.013
  CLC： TN929.5
- Published：2014
- 稿件说明：
移动端阅览
[1]马宁,李春明,万仁辉,武琳栋.TD-LTE同频异频切换性能研究[J].电信工程技术与标准化,2014,27(07):67-71.

马宁, 李春明, 万仁辉, et al. The study of handover performance with intra- frequency and inter-frequency[J]. 2014, 27(7): 67-71.
[1]马宁,李春明,万仁辉,武琳栋.TD-LTE同频异频切换性能研究[J].电信工程技术与标准化,2014,27(07):67-71. DOI： 10.13992/j.cnki.tetas.2014.07.013.

马宁, 李春明, 万仁辉, et al. The study of handover performance with intra- frequency and inter-frequency[J]. 2014, 27(7): 67-71. DOI： 10.13992/j.cnki.tetas.2014.07.013.

摘要

中国移动TD-LTE网络宏站覆盖有D频段和F频段两个频段

对应有同频切换和异频切换两种方式

两种切换过程基本相同。同频切换前SINR会比较差

切换后SINR提升比较明显

异频切换时由于有频率隔离

SINR值一直比较趋于稳定

切换后SINR值也会有所提升

但是会有异频测量GAP时间占用。两种切换方式都会提升速率

但从大量测试数据分析来看

异频切换速率提升幅度高于同频切换。

Abstract

Macro station of CMCC TD-LTE network is deployed in band D and band F. There are two kinds of handover: intra-frequency handover and inter-frequency handover

which are similar in handover progress. In intra-freqnency handover

SINR is relatively poor before handover while SINR improves greatly after handover. In inter-freqnency handover

because of frequency isolation

SINR is relatively stable and improves a little after handover

but the GAP of inter-freqnency measurement will take up some time. Both kinds of handover can improve the speed

but juding from a large number of test data

inter-freqnency handover show more speed improvement than intra-freqnency handover.

关键词

Keywords

references

TD-LTE-Advanced移动通信系统设计[M]. 人民邮电出版社 , 王映民, 2012

4G移动通信技术权威指南[M]. 人民邮电出版社 , (瑞典) 达尔曼, 2012

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