| 一种基于VoLTE语音质量的异频切换方法研究 |
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| 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). |
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| 作者姓名： | 李丽琴 林亮 李阳德 郑舟 |
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| 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 |
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| 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。
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| 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 |
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| 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). |
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| Authors: | LI Li-qin LIN Liang LI Yang-de and ZHENG Zhou |
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| 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. |
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| 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. |
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| Keywords: | VoLTE TD-LTE Handover |
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