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Volume 31 Issue 11
Dec.  2010
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Mao Jian-bing, Mao Yu-ming, Leng Su-peng. An Adaptive Optimization Scheme for IEEE 802.11 to Improve Throughput and Fairness Performance[J]. Journal of Electronics & Information Technology, 2009, 31(11): 2731-2737. doi: 10.3724/SP.J.1146.2008.01012
Citation: Mao Jian-bing, Mao Yu-ming, Leng Su-peng. An Adaptive Optimization Scheme for IEEE 802.11 to Improve Throughput and Fairness Performance[J]. Journal of Electronics & Information Technology, 2009, 31(11): 2731-2737. doi: 10.3724/SP.J.1146.2008.01012

An Adaptive Optimization Scheme for IEEE 802.11 to Improve Throughput and Fairness Performance

doi: 10.3724/SP.J.1146.2008.01012
  • Received Date: 2008-08-25
  • Rev Recd Date: 2009-06-19
  • Publish Date: 2009-11-19
  • In this paper, an adaptive optimization scheme for IEEE 802.11 DCF is proposed to enhance the throughput and fairness performance. The scheme is based on channel sensing result for network state information and thus it is called CSCC (Channel Sensing Contention Control). The key idea to approach optimal performance dynamically in the new scheme is that the transmission attempt from the DCF is filtered by an adjustable probability P_T. CSCC does not need to perform complex on-line estimation of the number of active stations in the network, and can make adaptive tuning always toward the certain optimization object under various network states. Detailed simulation results show that the scheme can effectively adapt to various networks different in station number and packet size, and consequently achieve performance improvements on several aspects including system throughput, collision probability, delay, delay jitter, fairness and so on.
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  • IEEE 802.11. Wireless LAN medium access control (MAC)and physical layer (PHY) specifications, IEEE Std. 802.11,2007.[2]Bianchi G. Performance analysis of the IEEE 802.11distributed coordination function. IEEE Journal on SelectedAreas in Communications, 2000, 18(3): 535-547.[3]Liu J. Design and performance evaluation of a distributedtransmission control protocol for wireless local area network[J].IEICE Transactions on Communications.2006, E89-B(6):1837-1845[4]Chen W. An effective medium contention method to improvethe performance of IEEE 802.11. Wireless Networks, 2008,14(6): 769-776.[5]李云, 陈前斌, 隆克平等. 通过自适应调整最小竞争窗口最大化IEEE 802.11 DCF 的饱和吞吐量. 电子与信息学报, 2006,28(10): 1930-1934.Li Yun, Chen Qian-bing, and Long Ke-ping, et al..Self-adaptively adjust the minimum contention windows tomaximizing the saturated throughput of IEEE 802.11 DCF.Journal of Electronics Information Technology, 2006,28(10): 1930-1934.[6]Ni Q, Aad I, and Barakat C, et al.. Modeling and analysis ofslow CW decrease for IEEE 802.11 WLAN. Proc. of IEEEPIMRC 2003, Beijing, China, Sep 7-10, 2003: 1717-1721.[7]Chatzimisios P, Vitsas V, and Boucouvalas A C, et al..Achieving performance enhancement in IEEE 802.11WLANs by using the DIDD backoff mechanism.International Journal of Communication Systems, 2007,20(1): 23-41.[8]Song N, Kwak B, and Miller L E. Analysis of EIED backoffalgorithm for the IEEE 802.11 DCF. Proc. of IEEE 62ndVehicular Technology Conference, Dallas, TX, USA, Sep25-28, 2005, 4: 2182-2186.[9]Wang C, Li B, and Li L. A new collision resolutionmechanism to enhance the performance of IEEE 802.11 DCF.IEEE Transactions on Vehicular Technology, 2004, 53(4):1235-1246.[10]Heusse M, Rousseau F, and Guillier R, et al.. Idle sense: Anoptimal access method for high throughput and fairness inrate diverse wireless LANs[J].ACM SIGCOMM ComputerCommunication Review.2005, 35(4):121-132[11]Bononi L, Conti M, and Gregori E. Runtime optimization ofIEEE 802.11 wireless LANs performance. IEEE Transactionson Parallel and Distributed Systems, 2004, 15(1): 66-80.[12]Bianchi G and Tinnirello I. Kalman filter estimation of thenumber of competing terminals in an IEEE 802.11 network.Proc. of IEEE INFOCOM 2003, S. Francisco, CA, USA, Mar30-Apr 3, 2003: 844-852.[13]Vercauteren T, Toledo A L, and Wang X D. Batch andsequential bayesian estimators of the number of activeterminals in an IEEE 802.11 network. IEEE Transactions onSignal Processing, 2007, 55(2): 437-450.[14]Anouar H and Bonnet C. Optimal constant-window backoffscheme for IEEE 802.11 DCF in single-hop wireless networksunder finite load conditions. Wireless PersonalCommunications, 2007, 43(4): 1583-1602.
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