摘要
为了进一步提升高铁场景下的VoLTE语音业务质量,提高用户业务感知,对于高铁场景因列车运行速度快、车体穿透损耗高、切换频次多等带来的VoLTE业务质量下降问题,通过对典型线路测试数据进行分析,并研究高铁场景下的VoLTE语音质量与无线覆盖质量、列车车速、终端纠偏能力、e SRVCC等因素的相关性,得出了提升高铁VoLTE语音业务质量的策略及解决方案。
In order to further enhance the quality of VoLTE voice service in high-speed rail scenario and improve user service- awareness, considering the decreased quality of VoLTE voice service due to the high-speed train movement, high penetration loss and fi：equent handover, the testing data on typical railway lines was analyzed in this paper, The correlation of VoLTE voice quality with wereless coverage quality, train speed, terminal deviation correction ability and eSRVCC was investigated to derive the strategy and solution of enhancing the quality of VoLTE voice service in high-speed rail scenario.
作者
马向辰
焦燕鸿
庞浩
范苑
MA Xiang-chen JIAO Yan-hong PANG Hao FAN Yuan(China Mobile Group Design Institute Co., Ltd,, Beijing 100080, China)
出处
《移动通信》
2017年第1期93-96,共4页
Mobile Communications
关键词
VoLTE
高铁场景
语音业务质量
MOS
纠偏能力
VoLTE high-speed rail scenario voice service quality MOS deviation correction ability
