TD-LTE电路域回落技术原理及信令流程分析 |
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引用本文: | 柳叶青,李传峰,秦方民.TD-LTE电路域回落技术原理及信令流程分析[J].电信网技术,2013(4):46-51. |
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作者姓名: | 柳叶青 李传峰 秦方民 |
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作者单位: | [1]北京邮电大学信息与通信工程学院 [2]工业和信息化部电信研究院通信标准研究所 |
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基金项目: | 国家重大专项基金资助项目(2012ZX03001040) |
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摘 要: | 由于TD-LTE网络只部署PS域,因而无法进行语音业务。为了加快LTE商用的步伐而提出多种语音业务解决方案。CSFB技术作为TD-LTE语音技术的过渡而存在。本文介绍了TD-LTE网络中CSFallback技术实现语音业务的方法,重点阐述了CSFB技术的原理、系统架构及相关信令流程。
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关 键 词: | TD-LTE CSFB 信令流程 |
TD-LTE CS Fallback Technique Principle and Signaling Process Analysis |
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Abstract: | TD-LTE network only deploys PS domain, thus it is unable to support voice service. In order to speed up the pace of LTE commercial application, we put forward a variety of voice service solutions. CSFB is regarded as a interim solution of TD-LTE voice service. This paper introduces the method of TD - LTE network CS Fallback technology to support voice service, and focusing on the theory of CSFB technology, system architecture and signaling process related. |
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Keywords: | TD-LTE CSFB signaling process |
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