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基于PID算法的无线体域网中节点功率控制机制 被引量:1

PID Based Transmission Power Control in Wireless Body Sensor Networks
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摘要 无线体域网作为"人体"传感器网络在远程医疗保健、特殊人群监护等服务领域有着巨大的应用意义,能量有效性是面临的首要挑战,功率控制是解决问题的有效途径.通过真实人体环境的实验数据说明了无线链路的动态变化特性和功率控制的必要性.从网络和控制相结合的角度来研究无线体域网中节点的功率控制问题,设计了基于PID算法的轻量级自适应功率反馈控制机制来动态调整无线体域网中节点的发射功率.在cc2530节点上实现并验证了算法,实验结果表明在获得较高的数据包成功接收率的同时能有效减少节点的能量消耗、达到提高网络能量有效性的目的. 无线体域网作为"人体"传感器网络在远程医疗保健、特殊人群监护等服务领域有着巨大的应用意义,能量有效性是面临的首要挑战,功率控制是解决问题的有效途径.通过真实人体环境的实验数据说明了无线链路的动态变化特性和功率控制的必要性.从网络和控制相结合的角度来研究无线体域网中节点的功率控制问题,设计了基于PID算法的轻量级自适应功率反馈控制机制来动态调整无线体域网中节点的发射功率.在cc2530节点上实现并验证了算法,实验结果表明在获得较高的数据包成功接收率的同时能有效减少节点的能量消耗、达到提高网络能量有效性的目的.
出处 《计算机研究与发展》 EI CSCD 北大核心 2011年第S2期190-195,共6页 Journal of Computer Research and Development
基金 国家自然科学基金项目(60903019)
关键词 无线体域网 自适应功率控制 PID控制 能量有效 wireless body sensor networks transmission power control PID energy efficiency
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参考文献17

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二级参考文献8

共引文献89

同被引文献11

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