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Volume 30 Issue 4
Dec.  2010
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Jiang Ruo-yi, Ji Wei, Zheng Bao-yu. Joint Optimization of Energy Consumption in Cooperative Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2010, 32(6): 1475-1479. doi: 10.3724/SP.J.1146.2009.00521
Citation: Zhu Ying, Xia Hai-lun, Wu Mu-qing. A Self-adaptive Minimum Contention Window Adjusting Backoff Algorithm in IEEE 802.11 DCF[J]. Journal of Electronics & Information Technology, 2008, 30(4): 961-965. doi: 10.3724/SP.J.1146.2007.00184

A Self-adaptive Minimum Contention Window Adjusting Backoff Algorithm in IEEE 802.11 DCF

doi: 10.3724/SP.J.1146.2007.00184
  • Received Date: 2007-01-29
  • Rev Recd Date: 2007-09-11
  • Publish Date: 2008-04-19
  • A backoff algorithm based on Minimum Contention Window Self-adaptive Adjusting (MCWSA) is proposed in this paper. The idea of this algorithm is that every node in the network adjusts self minimum contention window periodically, according to the comparing result of the present slot utilization and the optimal value, to adopt the congestion status. Simulation result proves that MCWSA can enhance the IEEE 802.11 performance in saturation throughout and delay.
  • ANSI/IEEE Std 802.11, IEEE standard for Wireless LANMedium Access Control (MAC) and Physical Layer (PHY)specifications, New York, 1999.[2]Bharghavan V.[J].Demaers A, and Shenker S. MACAW: Amedia access protocol for wireless LANs. Proceedings ofACM SIGCOMM94, Lodon, UK.1994,:-[3]Song N O, Kwak B J, and Song J. Enhancement of IEEE802.11 distributed coordination function with exponentialincrease exponential decrease backoff algorithm. VehicularTechnology Conference, 2003, The 57th IEEESemiannual, Orlando, Florida, 2003: 2775-2778.[4]Wu H.[J].Long K, and Cheng S. IEEE 802.11 distributedcoordination function (DCF): Analysis and enhancement. InProceedings of ICC02, New York.2002,:-[5]Chatzimisios P, Boucouvalas A C, and Vitsas V.Optimisation of RTS/CTS handshake in IEEE 802.11wireless LANs for maximum performance. GlobeComWorkshops 2004, Dallas, TX, United States, 2004: 270-275.[6]Zhang Liang and Shu Yantai. RTS threshold self-tuningalgorithm based on delay analysis on 802.11 DCF. WirelessCommunications, Networking and Mobile Computing 2005,Wuhan, China, 2005: 627-630.[7]Cali F, Conti M, and Gregori E. IEEE 802.11 protocol: designand performance evaluation of an adaptive backoffmechanism. IEEE Journal on Selected Area inCommunications, 2000, 18(9): 1774-1786.[8]严少虎,卓永宁,吴诗其,郭伟. IEEE 802.11 DCF 中基于能耗最小的RTS 门限自适应调整算法. 电子与信息学报, 2005,27(12): 1983-1987.Yan Shao-hu, Zhuo Yong-ning, Wu Shi-qi, and Guo Wei. Anadaptive RTS threshold adjusting algorithm based onminimum energy consumption in IEEE802.11 DCF. Journalof Electronics Information Technology, 2005, 27(12):1983-1987.[9]彭泳,程时瑞. 一种自适应无线局域网协议. 软件学报, 2004,15(4): 604-615.Peng Yong and Cheng Shi-duan. A self-adaptive wirelessWLAN protocol. Journal of Software, 2004, 15(4): 604-615.[10]Bononi L, Conti M, and Donatiello L. Design andperformance evaluation of a distributed contention control(DCC) mechanism for IEEE 802.11 Wireless Local AreaNetworks. In Proceedings of the WOWMOM 98, DallasTexas, 1998: 59-67.[11]Bianchi G. Performance analysis of the IEEE 802.11distributed coordination function. IEEE Journal on SelectedArea in Communications, 2000, 18(3): 535-547.
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