Research on low-duty-cycle MAC protocol of wireless sensor networks

Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (20): 152-154.

• 网络、通信与安全 • Previous Articles Next Articles

Research on low-duty-cycle MAC protocol of wireless sensor networks

SHI Jun-feng^1,2，ZHONG Xian-xin¹

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

Received:1900-01-01 Revised:1900-01-01 Online:2007-07-11 Published:2007-07-11
Contact: SHI Jun-feng

无线传感网络低占空比MAC协议性能研究

石军锋^1,2，钟先信¹

1.重庆大学光电技术及系统教育部重点实验室，重庆 400030
2.西南大学工程技术学院，重庆 400716

通讯作者: 石军锋

Abstract

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.

Key words: wireless sensor networks, low duty cycle, S-MAC, energy efficiency

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。

关键词: 无线传感网络, 低占空比, S-MAC, 节能

SHI Jun-feng^1,2，ZHONG Xian-xin¹. Research on low-duty-cycle MAC protocol of wireless sensor networks[J]. Computer Engineering and Applications, 2007, 43(20): 152-154.

石军锋^1,2，钟先信¹. 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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Research on low-duty-cycle MAC protocol of wireless sensor networks

无线传感网络低占空比MAC协议性能研究

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