【摘要】 根据无线传感网络中簇头点生成过程中的多径能量特性,提出一种基于自适应均衡抵消的相位检波能量检测算法。建立无线传感器网络信号与信道系统模型,设计无线传感器网络信道自适应均衡算法,采用横行型自适应FIR滤波器进行自适应降噪滤波处理。使用相位检波方法对UWB无线传感器网络通信信道进行能量检测和优化设计。实验结果表明通过自适应相位检波能量检测方法,能最大程度上削弱无线传感网络信道慢衰落影响,降低网络功耗,提高能量检测性能和信道传输效率,实现了无线传感器网络信道优化设计。更多还原

【Abstract】 According to the characteristics of multipath energy, we proposed a phase detection energy detection algorithm of adaptive equalization cancellation based on wireless sensor network. The signal and channel models of wireless sensor network were established. The adaptive equalization algorithm was designed, and the adaptive FIR filter was used. The phase detection method was used for the UWB channel optimization and energy detection. Simulation result shows that the new method can overcome the influence of lag reduction of wireless sensor network channel, the network consumption is reduced greatly, and the energy detection performance is improved, also the channel communication efficiency is improved in predominance, research results realize the optimization design of wireless network channel.更多还原