Aryal, Min Prasad2022-03-102022-03-102010-06MasterofScienceinInformationandCommunicationEngineeringhttps://hdl.handle.net/20.500.14540/8930Theadvancementsinbroadbandandmobilecommunicationhasgivenmanyprivilegestothesubscribersforinstancehighspeeddataconnectivity,voiceandvideoapplicationsineconomicalrateswithgoodqualityofservices.Theadvancementsinbroadbandandmobilecommunicationhasgivenmanyprivilegestothesubscribersforinstancehighspeeddataconnectivity,voiceandvideoapplicationsineconomicalrateswithgoodqualityofservices.WiMAXisaneminenttechnologythatprovidesbroadbandandIPconnectivityon“lastmile”scenario.OrthogonalfrequencydivisionmultipleaccessusesadaptivemodulationtechniqueonthephysicallayerofWiMAXanditusestheconceptofcyclicpreixthataddsadditionalbitsatthetransmitterend.Thesignalistransmittedthroughthechannelanditisreceivedatthereceiverend.Thenthereceiverremovestheseadditionalbitsinordertominimizetheintersymbolinterference,toimprovethebiterrorrate.ThisreportincludesthestudyofthetechnologicalaspectsofWiMAXstandardsandevaluate/analyzetheperformanceofWiMAXphysicallayerindifferentperspectives.Inthisresearchwork,Iinvestigatethephysicallayerperformanceonthebasisofbiterrorrate,signaltonoiseratioetc.Theperformancewouldbeanalyzedindifferent aspectssuchaswiththevariationofdifferentmodulationtechniques,cyclicprefix,coding,channelmodelsetc.ThedifferenttechniquesemployedarestudiedtoknowtheimpactofvariationsofdifferentparameterscausingthevariationinthedesiredoutputthsmaximizingthesystemthroughputandimprovingBERperformance.TherearealsootherdifferentBroadbandWirelessTechnologieswhichprovidesbroadbandsolutionstothecustomerssuchas3G,WCDMA,HSPA,WiFi,LTEetc.Inthisthesis,IhavestudiedinbriefondifferentBWAtechnologiesandalsocompareotherBWAtechnologieswithrespecttoWiMAXinthekeydimensions.enMobile CommunicationData ConnectivityThesis