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首页> 外文期刊>電子情報通信学会技術研究報告. 無線通信システム. Radio Communication Systems >Future business of satellite communications - latest communication technologies: ultra wideband (UWB) and software defined radio (SDR) communications
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Future business of satellite communications - latest communication technologies: ultra wideband (UWB) and software defined radio (SDR) communications

机译：未来卫星通信业务 - 最新通信技术：超宽带（UWB）和软件定义的无线电（SDR）通信

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摘要

Satellite communications faces a critical problem in its business although it has been promoting various novel theories and technigues and transferred to commercial terristrial communications. This invited talk will introduce two latest core communication technologies; Software defined or reconfigurable radio (SDR) and Ultra Wide-Band (UWB) wireless communications based on impulse radio UWB. Its reason is that SDR can change configuration of on-board communication systems in a satellite in order to serve multiple applications and remotely sense system status, repair and maintain the on-board equipments. UWB can make quite feasible for short range and ultra high-speed over 100Mb/s wireless communications but it might be worried that UWB impulse radio signals tends to interfere co-existing or band-sharing other radio systems including satellite communications and radio astronomy. I hope that this invited talk will stimulate much active discussion on SDR, UWB and its related issues in satellite communication society.
机译：卫星通信面临其业务中的关键问题，尽管它一直促进各种新颖的理论和技术，并转移到商业境地通信。这款邀请的谈话将介绍两个最新的核心通信技术;基于脉冲无线电UWB的软件定义或可重新配置或可重新配置的无线电（SDR）和超宽带（UWB）无线通信。其原因是SDR可以在卫星中改变板载通信系统的配置，以便为多种应用和远程感测系统状态，维修和维护车载设备。 UWB可用于短程和超高速度超过100MB /秒的无线通信，但可能担心UWB脉冲无线电信号倾向于干扰包括卫星通信和无线电天文的其他无线电系统的共存或乐队共享。我希望这邀请的谈话能够刺激关于SDR，UWB及其在卫星传播社会中的相关问题的积极讨论。

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