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[1]刘焱骊,沈斌*,胡中功,等.无线传感器网络分簇低延时MAC协议[J].武汉工程大学学报,2008,(04):85-89.
　LIU Yan li,SHEN Bin,HU Zhong gong,et al.A lowlatency clusterMAC protocol for wireless sensor networks[J].Journal of Wuhan Institute of Technology,2008,(04):85-89.
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2008年04期
页码:
85-89
栏目:
机电与信息工程
出版日期:
2008-04-30

文章信息/Info

Title:
A lowlatency clusterMAC protocol for wireless sensor networks
文章编号:
16742869(2008)04008505
作者:
刘焱骊1; 沈斌1*; 胡中功1; 李波2
1.武汉工程大学电气信息学院，湖北 武汉 430074；2.云南大学信息学院，云南 昆明 650091
Author(s):
LIU Yanli1; SHEN Bin1; HU Zhonggong1;  LI Bo2
1.School of Electrical and Information Engineering， Wuhan Institute of Technology， Wuhan 430074， China；
2.School of Information， Yunnan University， Kunming 650091， China
关键词:
无线传感器网络; MAC协议; 能耗; 时间同步
Keywords:
wireless sensor networks; MAC protocol; energy efficient; time synchronization
分类号:
TP 393.04
DOI:
-
文献标志码:
A
摘要:
针对以往传感器网络MAC协议主要存在以高延时、低吞吐量来降低能耗的缺点，提出了一种基于竞争的、分簇结构的MAC协议CMAC(ClusterMAC).该协议采用分簇结构，相邻簇头节点之间协商各簇的活跃期和睡眠期的时机，使相邻簇交替地进入活跃期，以避免相邻簇互相干扰.在每个簇中又将节点按位置分层，不同层间节点交错进入发送和接收周期，大大减少了节点间通讯的冲突和由于睡眠引起的多跳网络延时.仿真结果表明，与同类MAC协议(SMAC、TMAC)相比，该协议在节省能量，减少网络延时的同时，还提高了吞吐量.
Abstract:
A wireless sensor network is composed of hundreds to thousands of sensor nodes that have the capability of sensing， processing and wireless communicating. In this paper， a contentionbased ClusterMAC protocol for wireless sensor networks is proposed. CMAC divides WSN nodes into several clusters. In order to avoid interference between different clusters， adjacent cluster nodes consult that which cluster is activated at one time. In one cluster， we also delays the receiving and sending period hop by hop， so that when one node is in sending mode， its lowerhop node is in receiving mode. After receiving a message from upperhop node， each node can transmit it to lowerhop node in sequent sending period. Therefore， the multihop endtoend delay due to longer time to sleep is adopted to save more energy. The simulation result shows that CMAC protocol achieves lower energy consumption and latency， and at the same time improves throughput than traditional contentionbased protocols.

参考文献/References:

［1］孙利民， 李建中， 陈渝.无线传感器网络［M］.北京:清华大学出版社，2005:175200.
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［3］Puccinelli D. Haenggi M. Wireless sensor networks: applications and challenges of ubiquitous sensing［J］. IEEE Circuits and Systems Magazine， 2005， 5(3):1931.
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［5］Ghassemian Mona， Friderikos Vasilis，Aghvami Hamid. On the Scalability of Internet Gateway Discovery Algorithms for Ad hoc Networks［A］. In: Proc. the 2005 International Workshop on Wireless Adhoc Networks［C］. London：UK, 2005:171180.
［6］Rajendran Venkatesh，Obraczka Katia. GarciaLunaAcevas. Energyefficient， collisionfree medium access control for wireless sensor networks［J］. Journal Wireless Networks， 2006,12(1):6378.
［7］刘经伟，郝福珍，鄢楚平.无线传感器网络SMAC协议能量有效性改进［J］.计算机工程与设计，2007，28(10): 2344～2347.

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备注/Memo

备注/Memo:
收稿日期：20080321
基金项目：国家自然科学基金（60663009），湖北省自然科学研究基金(2007ABA111）
作者简介： 刘焱骊(1983)，女，湖北武汉人，硕士研究生.研究方向：无线通信网络.*通信联系人
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