资源描述：
《On the Performance of IEEE 802.11 under Jamming》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、OnthePerformanceofIEEE802.11underJammingE.Bayraktaroglu¤,C.Kingy,X.Liu¤,G.Noubir¤,R.Rajaraman¤,B.Thapa¤¤CollegeofComputer&InformationScience,NortheasternUniversity,BostonMA02115yDepartmentofMathematics,NortheasternUniversity,BostonMA02115Abstract—Inthispaper,westudytheperformanceo
2、fthethereachofthepublicatlarge,duetotheavailabilityoflow-IEEE802.11MACprotocolunderarangeofjammersthatcostfullycontrollableSoftwareDefinedRadioplatformssuchcoversbothchannel-obliviousandchannel-awarejamming.WeasUSRP/GNU-Radio[3],[4]andmanyotherpartiallycon-studytwochannel-oblivious
3、jammers:aperiodicjammerthattrollablesensornetworkplatformsoperatingoverthe2.4GHzjamsdeterministicallyataspecifiedrate,andamemorylessjammerwhosesignalsarriveaccordingtoaPoissonprocess.WeISMband[5].SinceIEEE802.11MACiswidelyusedandalsodevelopnewmodelsforchannel-awarejamming,including
4、commontomanyphysicallayers,itisimportanttounderstandareactivejammerthatonlyjamsnon-collidingtransmissionsitslimitsintermsofresiliencytosmartjammers.andanomniscientjammerthatoptimallyadjustsitsstrategyaccordingtocurrentstatesoftheparticipatingnodes.A.OurContributionsOurstudycompris
5、esofatheoreticalanalysisofthesaturationInthispaper,westudytheperformanceofIEEE802.11throughputof802.11underjamming,anextensivesimulationstudy,andatestbedtoconductrealworldexperimentationofMACinthepresenceofvarioustypesofjammersthroughjammingIEEE802.11usingGNURadioandUSRPplatform.a
6、systematictheoreticalanalysis,extensivesimulations,andaInourtheoreticalanalysis,weuseadiscrete-timeMarkovchainprototypeimplementation.analysistoderiveformulaeforthesaturationthroughputofIEEE802.11undermemoryless,reactiveandomniscientjamming.One²BuildingonthediscreteMarkovmodelof[2
7、],weanalyzeofourkeyresultsisacharacterizationofoptimalomniscientjam-thesaturationthroughputof802.11(basicmode)underbothmingthatestablishesalowerboundonthesaturationthroughputchannel-obliviousandchannel-awarejammermodels.Ourof802.11underarbitraryjammerattacks.Wevalidatethetheoretic
8、alanalysisframeworkisgeneralandca
