基于竞争终端个数区间的IEEE 802.11性能优化.pdf

◎2004Jo啪alofSofc、)l，are 1000-9825／2004／15(12)1850 基于竞争终端个数区间的IEEE 802．11性能优化孛 李贺武1+，吴建平1，马辉2，张培云3，罗世新3 1(清华大学计算机科学与技术系，北京 100084) 2(清华大学电子工程系，北京 100084) 3(清华大学数学科学系，北京 100084) Performance forIEEE802．11Basedonthe ofContention optimization Range StationNumber LI ZHANG LU0Shi．Xin3 He．Wul十，WUJian．Pin91，MAHui2， Pei．YUn3， scienceand ofComputer Technology，Tsinghua 100084，China) 。(Department University，Beijing ofElectronic 2(Depanment Engineering，Tsinghuauniversity，BeijinglO0084，China) ofMathematical Sciencc，Tsinghua l00084，China) 3(Department University，Beijing +Corresponding Received 2004—03—17 2003一12一09；Accepted Li SX．PerformanceforlEEE802．11basedonthe of HW，WuJP，MaH，ZhangPY，Luo Optimization range contentionstation number．．，DH，’栉口，矿．s匆，跏口rP，2004，15(12)：1850～1859． 鱼塑卫；』』型塑型：jQs：Q!g：￡型!QQQ：窆墨2§』15』185Q：塾血 Abstract：Thenumberof stationshas innuenceonme ofIEEE802．11MAC competing great perfbmaIlce basedonmedistributedcoordination utilizescarriersense accesswith protocol function(DCF)，which multiple collision this isfoundthatme the avoidance(CSMA／CA)．Inresearch，it systemperfomance印proachesoptimal thesame tlle of stations withina valueswith number pmtocolparameters，when competingdynamicallychanges certain