TD_SCDMA到TD_LTE跨系统小区重选仿真研究

MSTTDecember2010····························esearch&ExplorationR。。。int-RAT。TD-LTETD-SCDMATD-SCDMATD-LTE。TD-SCDMATD-LTETD-LTETD-SCDMA。TD-SCDMATD-LTE。R。TD-SCDMARTD-LTE。RTD-SCDMATD-LTE。TD-SCDMATD-LTER“”。TD-SCDMATD-LTE。。TD-SCDMATD-LTETD-SCDMATD-LTETD-SCDMARTD-SCDMATD-LTE。。Cost231-HataAbstract:Cellreselectionisnotonlythesignificantmobilityfunctionofterminals,butalsotheimportantwaystoachieveconvergenceofmulti-communicationchannels.Therearetwocategoriesofcellreselection:inter-systemreselectionandinter-RATreselection.ThisthesismakesadetaileddescriptiononthecharacteristicsofTD-SCDMAandTD-LTE'sreselectionguidelinesfirstlyanddemonstratesthatRcriterionofTD-SCDMA'sreselectionguidelinesisunsuitableforinter-RATCellReselectionbetweenTD-LTEandTD-SCDMAbasedonemulationco-basestationmode,finallyitputsforwardtwocorrespondingsolutionsandmakesacomparisonbasedondata.KeyWords:int-RATreselectionco-basestationpathlossCost231-Hata5620101212ODERNSCIENCE&TECHNOLOGYOFTELECOMMUNICATIONSM····························。RTD-LTE。R。R。TD-LTE。TD-SCDMA。。1TD-SCDMATD-LTE1.1TD-SCDMATD-LTETD-SCDMAR。。TD-LTE。。。TD-SCDMATD-LTETD-SCDMA。1.2TD-SCDMATD-LTETD-SCDMATD-LTERSCPReceivedSignalCodePowerRSRPReferenceSignalReceivedPower。。。1=+---11。TD-SCDMATD-LTE。2GHzCost231-Hata。。。1RSCPRSRP。。TD-LTE10MHz46dBmTD-SCDMA1.28MHz33dBm1。2RSCP-RSRP=9.2dB21.3RTD-SCDMATD-LTETD-SCDMA。57MSTTDecember2010····························esearch&ExplorationRTD-LTETD-LTE。TD-SCDMATD-LTETD-LTE。。2。TD-SCDMATD-LTEATD-SCDMATD-LTEBTD-LTE。11ATD-SCDMATD-LTE。TD-LTE。TD-LTETD-LTE。TD-SCDMARTD-SCDMATD-LTETD-LTE。2BTD-SCDMATD-SCDMATD-LTE。3CTD-SCDMATD-LTE。TD-LTETD-LTETD-SCDMA。“”。2TD-LTE-90dBmCC32.4%TD-LTE1-32.4%=67.6%。TD-SCDMATD-LTE1CDF


2ABCTD-SCDMATD-LTE1TD-SCDMATD-SCMDAdBmTD-SCDMA%TD-LTE%%-780.2910.3850.324-740.2230.4530.324-700.1620.5140.324-660.1010.5750.324-580.0020.6740.3242R5820101212ODERNSCIENCE&TECHNOLOGYOFTELECOMMUNICATIONSM····························dBmdBm0-988-741-949-782-9010-823-8611-864-8212-905-7813-946-7414-987always15never3QsearchdBmdBm0-1058-811-1029-782-9910-753-9611-724-9312-695-9013-666-8714-637-8415-604QoffsetTD-SCDMAR。。22.11RTD-SCDMATD-LTETD-SCDMAGSM。。1Qsearch0~6RSCPReceivedSig-nalCodePower3TD-LTE。Qsearch8~143TD-LTE。Qsearch4RSCP-82dBmTD-LTEQsearch11RSCP-86dBm。Qsearch7TD-LTEQsearch15TD-LTE。24TD-LTERSRPQoffset5s。QoffsetTD-LTERSRP。11TD-LTETD-SCDMAQsearch7-14。TD-SCDMA。TD-LTETD-SCDMATD-LTE。TD-LTER。“”。。TD-SCDMA。TD-SCDMATD-SCDMA。22TD-LTETD-SCDMAQsearch0-7RSCPQsearch。RSCP。59MSTTDecember2010····························esearch&ExplorationRTD-LTEQsearch7TD-LTETD-LTETD-LTEQsearch=15TD-SCDMATD-LTETD-SCDMATD-LTETD-LTE。2.22TD-LTETD-SCDMATD-SCDMAR。。2.2.1TD-LTETD-SCDMATD-LTETD-SCDMATD-SCDMATD-LTE。1ATD-SCDMATD-LTE。TD-LTE。CTD-SCDMATD-LTETD-LTETD-SCDMA。“”。2.312122CTD-SCDMA。12TD-LTETD-SCDMA。561Qsearch8、9、10、11、1213Qoffset-78、-84、-90、-96-102dBmTD-LTETD-SCDMATD-SCDMA。72TD-LTE9753180.225000090.4120.208000100.5950.4550.10000110.7510.6640.44600120.8700.8250.7110.4200130.9340.9110.8530.7050.190QoffsetQsearchTD-LTE51TD-LTE9753180.225000090.4120.208000100.5950.4550.10000110.7510.6640.44600120.8700.8250.7110.4200130.9340.9110.8530.7050.190QoffsetQsearchTD-SCDMA61TD-SCDMA-78-84-90-96-102TD-LTE0.6490.7390.8420.9210.971TD-SCDMA100%100%100%100%100%72TD-LTE6020101212ODERNSCIENCE&TECHNOLOGYOFTELECOMMUNICATIONSM····························-78、-84、-90、-96-102dBmTD-LTETD-SCDMATD-SCDMA。57TD-LTE1QsearchTD-LTE2。Qoffset-102dBm0.971。6712TD-SCDMA。2。TD-SCDMA。12TD-LTE。2TD-SCDMA。。2009123GPP2TD-SCMDA。GSM、TD-SCDMATD-LTE。3TD-SCMDATD-LTETD-SCDMATD-LTE。。TD-SCMDATD-SCMDA。TD-SCMDA。。[1]2005.[2]WCDMA2004.[3]WCDMA200645-49.[4]TD-SCDMA200619-22.[5]Okumura-Hata200866-68.[6]MOHAMMEDY.EABDALLAHA.SLIUY.AMeasurementsofIn-BuildingPenetrationLossat2.4GHz[]2004.[7]HataMasahuaruEmpiricalFormulaforPropationLossinLandMobileRadioServices[J].IEEETransactionsonVehicularTechnology1980.MSTT3GTeliaSoneraNcell3G3G。。BBU+RRU。。。。。。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!61