面向人体运动干扰和生物安全的无线体域网协作通信技术研究

There are critical requirements for wireless body area networks, such as various traffics, high QoS level and radio security. Thus, both low energy design and reliable communication are needed to resolveprimarily. The cooperative communication in wireless body area network is studied in this program to make the body area communication efficient, safe and reliable under human movement conditions. The relationship between human motions and channel fading is studiedfirstly, and a relay selection algorithm based on channel correlation is proposed; Then, the coding-cooperative method is used to relay communication, and the minimum cost network coding which is suitable in body area network applications is researched to achieve the low power and reliable communications suffering the human movements interference; Finally, all the algorithm and the solutions are verified on the network simulation platform and application testing platform. The achievements about highly reliable communications under human motions will make important role in popularizing wireless body area applications.

无线体域网具有业务类型复杂多样、服务质量要求严格、人体辐射安全保障等应用需求，其研究面临着系统级极低功耗设计、高可靠无线通信等众多挑战。本课题开展适用于无线体域网的协作通信技术研究，能够实现人体运动干扰环境下体征信息的高效、安全、可靠传输。课题首先研究人体运动姿态与无线链路衰落的关系，提出人体运动场景下基于链路衰落空间相关性的协作中继选择算法；采用编码转发协作方式，研究适用于无线体域网的最小代价网络编码技术，实现人体运动状态下体征信息的可靠低功耗传输；借助无线体域网系统仿真平台及应用系统，提出无线体域网协作通信实现方案，并进行实验验证。课题将深入研究面向人体运动干扰等复杂环境下体征信息的高可靠传输，预期研究成果对体域网应用的推广具有重要价值。

无线体域网具有业务类型复杂多样、服务质量要求严格、人体辐射安全保障等应用需求，其研究面临着系统级极低功耗设计、高可靠无线通信等众多挑战。本课题开展了适用于无线体域网的协作通信技术研究，能够实现人体运动干扰环境下体征信息的高效、安全、可靠传输。课题首先分析了人体运动干扰对链路衰落的影响，提出了运动状态下的阴影衰落模型；研究人体运动姿态与无线链路衰落的关系，提出人体运动场景下基于链路衰落空间相关性的协作中继选择算法；借助无线体域网系统仿真平台及应用系统，为无线体域网协作通信解决方案提供实验验证支撑。课题深入研究面向人体运动干扰等复杂环境下体征信息的高可靠传输，预期研究成果对体域网应用的推广具有重要价值。

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