TD-LTE系统VoLTE语音质量影响因素及提升措施分析  

Analysis on the influencing factors and improving measures of Vo LTE quality in TD-LTE system

作　　者：杨健 王建 赵昌盛 YANG Jian;WANG Jian;ZHAO Chang-sheng(China Mobile Group Design Institute Co., Ltd. Shandong Branch, Jinan 250101, China)

机构地区：[1]中国移动通信集团设计院有限公司山东分公司,济南250101

出　　处：《电信工程技术与标准化》2018年第5期35-39,共5页Telecom Engineering Technics and Standardization

摘　　要：随着VoLTE语音业务的规模发展以及TD-LTE网络质量的不尽完善,VoLTE语音质量受到一定影响。本文分析了TD-LTE无线网络中影响VoLTE语音质量的主要因素,包括频繁切换、干扰、分组丢失率;然后对无线基站侧功能进行分析,梳理出能够提升VoLTE语音质量的措施。With the development of VoLTE and the complicacy of TD-LTE network structure, VoLTE voice quality is affected. This paper analyzes the main factors affecting the VoLTE quality in TD-LTE wireless network, including handover, interference and packet drop; then the function of Radio base station are analyzed and sorted out to improve the quality of VoLTE.

关 键 词：VoLTE 切换 干扰 网络覆盖 分组丢失率 

分 类 号：TN929.5[电子电信—通信与信息系统]