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无线传感器网络能量高效混合MAC算法 被引量：5

An Energy-efficient Hybrid MAC Algorithm in Wireless Sensor Networks
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摘要 针对无线传感器网络MAC协议中存在的能耗问题,提出了能量高效的无线传感器网络混合MAC(EEH-MAC)算法,采用基于TDMA机制的时槽系数动态调整簇内节点的时槽大小来降低数据的传输时延;同时,对部分不需要数据传输的节点不分配时槽来减少能耗;按簇内节点剩余能量系数形成时槽分配顺序来减少状态转换的能耗;在簇头之间采用CSMA/CA机制的随机分配策略进行通信。仿真结果表明,EEH-MAC协议能有效减少能耗并延长网络生命周期。 Aiming at energy consumption for MAC protocol in wireless sensor networks（WSNs）, an energy- efficient hybrid MAC algorithm for WSNs called EEH - MAC is proposed. It adopts time - slot factor based on TD- MA to adjust slot size to reduce data transmission delay and allows a longer sleep time for the part of nodes which have no data transmission to save energy. At the same time, a slot order is formed by the residual energy coefficient to reduce the state conversion energy consumption. It uses CSMA/CA mechanism to communicate with cluster heads. Simulation results show that EEH - MAC can reduce energy consumption and prolong net- work lifetime.
作者 卢艳宏 掌明 冯源
机构地区 连云港职业技术学院电气学院 淮海工学院电子工程学院
出处 《电讯技术》 北大核心 2012年第8期1349-1353,共5页 Telecommunication Engineering
基金 国家自然科学基金资助项目(61174013) 江苏省高校自然科学基金资助项目(BK20110398 08KJD520003)~~
关键词 无线传感器网络 介质访问控制 动态时隙分配 节能 wireless sensor network（WSN） medium access control（MAC） dynamic slot allocation energy saving
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献8

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二级参考文献14

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共引文献23

同被引文献69

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引证文献5

二级引证文献24

电讯技术
2012年 第8期

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