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一种高效的无线传感器网络MAC层方案 被引量：2

An Efficient MAC Scheme for Wireless Sensor Networks
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摘要 媒体接入控制协议(MAC)是影响无线传感器网络能量效率的重要方面,SMAC是其中具有代表性的方案。SMAC无法实现调度表的全网同步,只能形成多个在局部范围内同步的簇,簇间边界节点相对于内部节点能量消耗要快。针对这一问题提出了一种改进的MAC方案,利用调度表的全网同步来实现簇的合并,消除了边界节点,提高了MAC层的能量效率,使网络连通性得到提高。仿真证明了方案的有效性和可扩展性。本方案同时满足无线传感器网络分布式和经济性的要求。 Media Access Control（MAC） protocols influence the energy efficiency of Wireless Sensor Networks（WSNs） significantly, and SMAC is a typical scheme. There is no global synchronization of the schedules in SMAC. Nodes form clusters, in which the nodes synchronize locally. The energy of boundary nodes between clusters is depleted faster than that of the inner nodes. An improved scheme is presented to solve the problem. The global synchronization is achieved, the clusters incorporate and the boundary nodes disappear. The energy efficiency in MAC and the connectivity of networks are improved. Simulations show the efficiency and scalability of the scheme. The scheme also fulfills the requirements of distribution and economy in WSNs.
作者 刘冰 杨昀 张惠民
机构地区 北京邮电大学信息工程学院
出处 《无线电工程》 2007年第3期11-13,共3页 Radio Engineering
关键词 无线传感器网络 MAC 调度表 同步 Wireless Sensor Networks （WSNs） MAC schedule synchronization
分类号 TN915.04 [电子电信—通信与信息系统]
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参考文献4

  • 1AKYILDIZ I F, SU W, SANKARASUBRAMANIAM Y, CAYIRCI E. A Survey on Sensor Networks [J]. IEEE Communications Magazine, 2002,40(8):102-114.
  • 2YE W,HEIDEMANN J, ESTRIN, D. Medium Access Control with Coordinated Adaptive Sleeping for Wireless Sensor Networks [J]. IEEE/ACM Transactions on Networking,2004, 12(4):493-506.
  • 3AI J,KONG J, TURGUT D. An Adaptive Coordinated Medium Access Control for Wireless Sensor Networks [C].Proceedings of the Ninth International Symposium on Computers and Communications,2004,214-219.
  • 4BONDY J A, MURTY U S R, Graph Theory with Applications [M].London, Basingtoke and New York:The Macmillan Press, 1976,25-41.

同被引文献14

  • 1Akyi ldiz I F, Su W, Sankarasubramaniam Y, et al. A survey on sensor networks[J]. IEEE Communications Magazine,2002,40(8) : 102 - 105.
  • 2Tijs V D,Koen L.An adaptive energy- efficient MAC protoed for wireless sensor networks[ C] // Proceeding of the 1 st International Conference on Embedded Networked Sensor Systems. Los Angdes, 2003:171- 180.
  • 3Tian Haitao,Tan Minsheng,Chen Wei. A low power MAC protocol for wireless sensor networks [J ]. Network Security Technology & Application, 2010(1) :136-138.
  • 4Sun Y J, Du S, Gurewitz O, et al. DW-MAC: A Low Latency, Energy Efficient Demand-Wakeup Mac Protocol for Wireless Sensor Networks[ C ]//Jia XH, ed. Proc. of the 9th ACM Int' 1 Symp. on Mobile Ad Hoc Networking and Computing. New York: ACM Press ,2008.53-62.
  • 5Sun Y J, Gurewitz O, Johnson D B. RI-MAC:A Receiver Initiated Asynchronous Duty Cycle MAC Protocol for Dynamic Traffic Loads in Wireless Sensor Networks [ C ]//Abdelzaher T, ed. Proc. of the 6th ACM Conf. on Embedded Network Sensor Systems. New York : ACM Press,2008.1-14.
  • 6Akyi ldiz IF, Su W, Sankarasubramaniam Y, et al. A Survey on Sensor Networks [ J ]. IEEE Communications Magazine, 2002,40(8) :102-105.
  • 7Tijs V D,Koen L. An Adaptive Energy Efficient MAC Protocol for Wireless Sensor Networks [ C ]//Preceding of the I st International Conferenee on Embedded Networked Sensor Systems. Los Angeles, 2003~ 171-180.
  • 8Tian Haitao, Tan Minsheng, Chen Wei. A Low Power MAC Protocol for Wireless Sensor Networks [ J ]. Network Security Technology & Application ,2010( 1 ) : 136-138.
  • 9Kim J,Lin X J,Shroff N B ,et al. Minimizing Delay and Maximizing Lifetime for Wireless Sensor Networks with Anycast [J]. IEEE/ ACM Trans. on Networking,2009,18 (2) :515 -528.
  • 10Lai S W, Ravindran B. On Distributed Time-Dependent Shortest Paths over Duty-Cycled Wireless Sensor Networks [ C ]//Mandyam G,ed. Proc. of the 29th Annual Joint Conf. of the IEEE Computer and Communications Societies. Washington : IEEE Press,2010.1-9.

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无线电工程
2007年 第3期

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