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Link Budget for VoIP in LTE-based GEO Satellite Mobile Communication Systems

机译:基于LTE的GEO卫星移动通信系统中VoIP的链路预算

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摘要

To facilidate the integration of terrestrial and satellite mobile communication systems in the future, new generation of satellite mobile communication system should be LTE-based. In LTE, voice is carrierd by IP packets (voice over IP, VoIP), so this paper discusses the support capability of LTE-based satellite mobile communication systems for VoIP. Detail link budgets are performed for 12.2kbps VoIP for three types of handheld terminals, and TTI bundling technique is applied to improve the uplink capability of low-level terminals.
机译:为了将来促进地面和卫星移动通信系统的集成,新一代的卫星移动通信系统应基于LTE。在LTE中,语音由IP数据包(IP语音,VoIP)承载,因此本文讨论了基于LTE的VoIP卫星移动通信系统的支持能力。针对三种类型的手持终端,对12.2kbps VoIP执行详细的链路预算,并且采用TTI捆绑技术来提高低级终端的上行链路能力。

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  • 作者单位

    Research Institute of Information Technology, Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing 100084, China;

    Ibaraki University, Hitachi-shi, Ibaraki, 316-8511, Japan;

    Research Institute of Information Technology, Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing 100084, China;

    Research Institute of Information Technology, Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing 100084, China;

    Research Institute of Information Technology, Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing 100084, China;

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