WCDMA系統(tǒng)中分組調(diào)度算法及呼叫控制信令的研究與實(shí)現(xiàn).pdf

1、東南大學(xué)碩士學(xué)位論文WCDMA系統(tǒng)中分組調(diào)度算法及呼叫控制信令的研究與實(shí)現(xiàn)姓名：顏澤棟申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：王捷20050301移動(dòng)遺髂蕊家重點(diǎn)寓駐室灝士學(xué)位玲義ABSTRAC罩隸渤太磐Inthirdgeneration(3G)cellularcodedivisionmuttipleaccess(CDMA)systems，radioresourcemanagementprotocolsrequireaneffi

2、cientcontrolschemeforpackettransmissionwithnegotiatedqualityofservice(QoS)。OneofthepromisingapproachestoefficientlysupportQoSforpackettrafficistoemployarightschedulerwhichcarldynamicallyallocatebandwidthtoserviceflowsina

3、ccordancewiththevariationoftra幣c10adandchannelconditions，Basedonthebackgroanddynamicfairschedu】irlgwithOoSconstraintsissmdiedinthisworkAsanotherlmportantpartofthepapertheresearchandrealizationofcollcontrolsignalinginWCDM

4、AsystemisalsostudiedGeneralizedProcessorSharin烈GPS)isanefficient，flexibleandfairbutunrealizablescheduleroriginallyproposedforuseinwirederrorfreeenvironmentsInordertoemulateGPSinwirelessnetworks、agenericframeworkforwirele

5、ssfairschedulingwaspresentedAstwoinstances，Channel—conditionIndependentFairQueuin顫CIFQ)andVariableWet曲tGPS(VWGPS)areiIlustratedandsimulated。DDetotheabsentconsiderationofpowercontrol誣CDMAsystems，thetwoalgorithmscan’tbeado

6、ptedinWCDMAsystemsAsjsknown，thetransmitpowermustbeconsideredineveryradiolinkwhentransmittingdatainCDMAsystemsTheconceptofpowerindexandnominaIcapacityareeducedsoastoresearchanddesignappropriateschedulingalgorithmsinCDMAsy

7、stems。AfterdiscussingtheCqbasedschedulerandRRschedulerrecommendedbyWCDMAstandards，Credit—basedcode—divisionGPS(C—CDGPS)algorithmisillustratedandsimulatedCCDGPSalgorithm，howeverhasnoconsiderationofdifierentEb／Nequirements

8、andthediscreteratealIocationforvariantflowsSoamodifiedCDGPSschemewiththegenericnameServicesDifierentiatedCDGPS(SDCDGPS)jsproposed。whichinvolvesservicesdifilerentiationmodel，nominalcapacitydynamicallocationmodelandcompens

9、ationmodelSimulationresultsarepresentedtodemonstratetheperformanceoftheprovidedSD—CDGPSschemesintermsofdelayfaimessandsystemutilizationTheanalysisandsimulationresultsshowthatboundeddelaycanbeprovisionedfordelaysenNfivese

10、rvicesandshort。termandlongtermfairnesscanbeassuredbyusingtheSDCIN3PSschemes，AlsotheSD—CDGPSalgorithmiseasiertoimplementandmoresuitableforWCDMAsysternsAsthesecondpartofthepaperdetailresearchofCallControl(CC)ispresentedint

11、hepaperCCisthekeyaspectofthenonaCCeSSstratum(NAS)andisresponsibleforcallsetup、connectionestablishment／maintenanceandcallclearingTheimplementationmechanismofCConMSsideisinvestigatedAccordingtothemechanism，thedevelopmentre

12、sultsshowhighconformancewiththestandardsTwopracticalalgorithmstoimplementmultipleCCentitiesarepresentedtobringthepapertoanend[IndexTerms]WidebandCDMA，packetscheduling，GPS，CIF。Q，VWGPS，powerindex，nominalcapacityCCDGPS，SDCD