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基于竞争与TDMA的低时延无线传感器网络MAC协议 被引量：5

Low time delay WSNs MAC protocol based on competition and TDMA
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摘要 针对经典无线传感器网络(WSNs)S-MAC协议的累积睡眠延迟问题,提出了一种基于竞争与时分复用(TDMA)方式混合的低时延LH-MAC协议。LH-MAC根据包的传输跳数,提供不同优先级的接入服务,使已完成多跳传输的包以更大的概率接入信道,实现较远节点的低时延传输目标。仿真比较SMAC与LH-MAC的平均延迟和能耗,表明LH-MAC在保持能量高效前提下,有效降低了端到端时延。 Aiming at accumulative latency problem of classic S-MAC protocol, propose LH-MAC protocol, a low time delay hybrid MAC protocol based on competition and TDMA for wireless sensor networks（WSNs）. According to number of hops, LH-MAC provides service with different priorities, so that the packets which have achieved multi-hop transsion have more probability to access to the channel and to realize low time delay transmission of remote node. Comparing to S-MAC and the LH-MAC, simulation results show that LH-MAC reduce end-to-end time delay effectively under the premise of energy efficiency.
作者 杜敏 黄剑 石为人 李洪兵
机构地区 重庆大学自动化学院
出处 《传感器与微系统》 CSCD 北大核心 2014年第10期111-114,共4页 Transducer and Microsystem Technologies
基金 国家科技支撑计划资助项目(2011BAJ03B13) 重庆市科技攻关项目(CSTC2012GG-YYJS40008)
关键词 无线传感器网络 混合MAC 低时延 优先级 S-MAC wireless sensor networks （WSNs） hybrid MAC low time delay priority S-MAC
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

  • 1李曼,熊庆宇,石为人,冀文娟.基于预约和反馈的无线传感器网络MAC协议研究[J].传感器与微系统,2012,31(3):46-49. 被引量：2
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二级参考文献18

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传感器与微系统
2014年 第10期

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