电信科学 ›› 2015, Vol. 31 ›› Issue (3): 13-21.doi: 10.11959/j.issn.1000-0801.2015074

• 专题:终端与智能卡技术 • 上一篇    下一篇

LTE终端语音解决方案现状及下一步演进

周晶,师瑜   

  1. 中国联合网络通信有限公司研究院 北京 100032
  • 出版日期:2015-03-15 发布日期:2017-02-23

Existing Voice Solutions and Evolution for LTE Terminal

Jing Zhou,Yu Shi   

  1. China Unicom Research Institute,Beijing 100032,China
  • Online:2015-03-15 Published:2017-02-23

摘要:

LTE时代终极终端语音解决方案VoLTE是目前业界研究的重点。对现有LTE终端的多种语音解决方案进行了详细的技术分析和比较,重点从终端角度探讨了承载在纯分组交换系统和IMS的VoLTE的技术优势和待解决问题,呈现了VoLTE技术作为LTE终端语音解决方案的技术特点和下一步演进趋势。

关键词: LTE终端, VoLTE, CSFB, SV-LTE, SR-LTE

Abstract:

As the final voice solution for LTE,VoLTE has become the key research point of the industry.Several existing voice solutions of LTE user equipment were compared and analyzed in details.Technical advantages and unsolved problems of VoLTE which is based on pure PS network and IMS system were mainly discussed from the prospective of the LTE terminal.The technical characteristics and evolution direction of VoLTE were mentioned in the end.

Key words: LTE terminal, VoLTE, CSFB, SV-LTE, SR-LTE

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