| 无线传感网络低占空比MAC协议性能研究 |
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| 引用本文： | 石军锋,钟先信.无线传感网络低占空比MAC协议性能研究[J].计算机工程与应用,2007,43(20):152-154. |
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| 作者姓名： | 石军锋 钟先信 |
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| 作者单位： | 重庆大学,光电技术及系统教育部重点实验室,重庆,400030;西南大学,工程技术学院,重庆,400716;重庆大学,光电技术及系统教育部重点实验室,重庆,400030 |
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| 摘 要： | 恰当的通信协议对降低无线通信能耗，延长网络寿命具有重要的意义。低占空比MAC协议通过节点的休眠机制，大大降低了通信模块的空闲监听能耗。以S-MAC协议为例，研究了树型拓扑下低占空比协议的能耗性能、时延性能以及吞吐量，分析了各性能之间的关系以及休眠机制对性能的影响，并通过研究指出了协议的改进方向。
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| 关 键 词： | 无线传感网络 低占空比 S-MAC 节能 |
| 文章编号： | 1002-8331（2007）20-0152-03 |
| 修稿时间： | 2006-11 |
Research on low-duty-cycle MAC protocol of wireless sensor networks |
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| SHI Jun-feng,ZHONG Xian-xin.Research on low-duty-cycle MAC protocol of wireless sensor networks[J].Computer Engineering and Applications,2007,43(20):152-154. |
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| Authors: | SHI Jun-feng ZHONG Xian-xin |
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| Affiliation: | 1.Key Lab for Optoelectronic Technology & System Under the State Ministry of Education，Chongqing Univ.，Chongqing 400030，China 2.Engineering & Technology College of Southwest University，Chongqing 400716，China |
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| Abstract: | It will significantly reduce energy consumption of communication and prolong networks lifetime to choose appropriate communication protocol.By the periodic listen and sleep,Low-duty-cycle MAC protocal effectively reduces the energy waste due to idle listening.The characteristic of energy waste,network delay and throughput of the low-duty-cycle MAC protocal is explored;the relations of characteristics and the effect of the periodic listen and sleep on characteristics are analyzed.Finally,the advisement for betterment is proposed. |
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| Keywords: | wireless sensor networks low duty cycle S-MAC energy efficiency |
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