电子学报
電子學報
전자학보
Acta Electronica Sinica
2015年
11期
2271-2276
,共6页
无线纳米传感器网络%通信能耗%码长%开关键控调制
無線納米傳感器網絡%通信能耗%碼長%開關鍵控調製
무선납미전감기망락%통신능모%마장%개관건공조제
wireless nanosensor networks%communication energy consumption%codeword length%on-off keying modulation
无线纳米传感器网络是当前纳米技术相关的研究热点之一。纳米传感器可存储的能量极为有限,能量有效性是无线纳米传感器网络中必须优先考虑的重要问题。针对无线纳米传感器网络,综合考虑传输能耗和接收能耗,建立能耗模型;提出通信能耗最小化编码(EMC)方法。使用 EMC,可以最小化传输能耗,可以满足码字长度和码率约束要求,可以确定最小化通信能耗的优化码长。通过实验对比分析,EMC 方法在能耗方面具有较好的性能。
無線納米傳感器網絡是噹前納米技術相關的研究熱點之一。納米傳感器可存儲的能量極為有限,能量有效性是無線納米傳感器網絡中必鬚優先攷慮的重要問題。針對無線納米傳感器網絡,綜閤攷慮傳輸能耗和接收能耗,建立能耗模型;提齣通信能耗最小化編碼(EMC)方法。使用 EMC,可以最小化傳輸能耗,可以滿足碼字長度和碼率約束要求,可以確定最小化通信能耗的優化碼長。通過實驗對比分析,EMC 方法在能耗方麵具有較好的性能。
무선납미전감기망락시당전납미기술상관적연구열점지일。납미전감기가존저적능량겁위유한,능량유효성시무선납미전감기망락중필수우선고필적중요문제。침대무선납미전감기망락,종합고필전수능모화접수능모,건립능모모형;제출통신능모최소화편마(EMC)방법。사용 EMC,가이최소화전수능모,가이만족마자장도화마솔약속요구,가이학정최소화통신능모적우화마장。통과실험대비분석,EMC 방법재능모방면구유교호적성능。
For the time being,wireless nanosensor networks(WNSNs)is a research focus of nanotechnology.Because the nanosensors’energy is extremely limited,the energy efficiency is an important issue in WNSNs.By jointly taking into account the energy consumption of transmission and reception,the energy consumption model and energy minimization coding (EMC)are pro-posed for WNSNs.In this way,the transmission energy minimization can be achieved,the codeword length and code rate constraints can be met,and the optimum codeword length for the communication energy minimization can be determined.Through comparative analysis,the energy efficiency of EMC is better.