首页 | 本学科首页   官方微博 | 高级检索  
     

一种基于VoLTE语音质量的异频切换方法研究
引用本文:李丽琴,林亮,李阳德,郑舟.一种基于VoLTE语音质量的异频切换方法研究[J].电信工程技术与标准化,2018(2).
作者姓名:李丽琴  林亮  李阳德  郑舟
作者单位:中国移动通信集团广西有限公司,中国移动通信集团广西有限公司,中国移动通信集团广西有限公司,中国移动通信集团广西有限公司
摘    要:中国移动用于室外广覆盖的TD-LTE网络主要有F频段和D频段,两个频段之间的切换主要是基于覆盖的异频切换,切换前用户的RSRP和SINR会比较差,切换后会获得明显提升。前期TD-LTE网络主要承载数据业务,目前VoLTE语音业务发展迅猛,原有基于RSRP的异频切换方式已不适应语音异频切换。为了提升4G客户VoLTE语音业务感知,本文提出了一种基于VoLTE语音质量的异频切换方法。

关 键 词:VoLTE  TD-LTE  切换
收稿时间:2017/11/15 0:00:00
修稿时间:2017/12/18 0:00:00

Research of LTE Inter-Frequency Handover Basesd on VoLTE Speech Quality
LI Li-qin,LIN Liang,LI Yang-de and ZHENG Zhou.Research of LTE Inter-Frequency Handover Basesd on VoLTE Speech Quality[J].Telecom Engineering Technics and Standardization,2018(2).
Authors:LI Li-qin  LIN Liang  LI Yang-de and ZHENG Zhou
Affiliation:China Mobile Group Guangxi Co., Ltd.,China Mobile Group Guangxi Co., Ltd.,China Mobile Group Guangxi Co., Ltd.,China Mobile Group Guangxi Co., Ltd.
Abstract:To China Mobile, there are two mainly bands, named as F band and D band, for TD-LTE outdoor wide area coverage. The inter-frequency handover between F band and D band is based on coverage quality, RSRP and SINR become better after handover. TD-LTE network is for data service before, but now VoLTE service grows rapidly. As a result, the inter-frequency handover based on RSRP is not applicable for inter-frequency voice handover. In order to improve the experience of 4G VoLTE customers, this paper points out a method of inter-frequency handover based on VoLTE voice quality.
Keywords:VoLTE  TD-LTE  Handover
点击此处可从《电信工程技术与标准化》浏览原始摘要信息
点击此处可从《电信工程技术与标准化》下载全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号