移动数字电视标准及在智能手机上多标准兼容设计实现

上海交通大学硕士学位论文移动数字电视标准及在智能手机上多标准兼容设计实现姓名：朱鹏程申请学位级别：硕士专业：电子与通信工程指导教师：刘佩林;刘明20080701IMDTVMP3MPEG-4T-DMBDVB-HISDB-TMediaFLOCMMBT-MMBCDMBDMB-THCMBT-DMBISDB-TDVB-H,ABSTRACTII1T-DMBDVB-HISDB-TCDMBDAB-IP2H.264VC-1AVSAAC+BSACDRA……3,T-DMB,DVB-H,MediaFLOISDB-TDVB-TCMMBDABT-MMB,CDMB,LinuxABSTRACTVIIMobileDigitalTVStandardsandtheRealizationofMulti-StandardCompatibilityinSmartphoneABSTRACTMobileDigitalTV(MDTV)willbethehotnewfeaturesfollowingcolorscreen,cameras,MP3,MPEG-4functionsincellularphones.Intheworld,themainstreamMDTVstandardsareT-DMB,DVB-H,ISDB-TandMediaFLO,etc.AndinChina,ontheonehand,therearealsoseverallocalMDTVstandards,suchastheDAB(T-DMB),CMMB,T-MMB,CDMB,DMB-TH,allareinthedebate;ontheotherhand,notonlythecurrentdomesticbutalsotheforeignTVhandsetsinthemarketsalmostsupportsinglestandardonly,suchasT-DMB,ISDB-TorDVB-Hetc.Infact,whichstandardwilleventuallybecomethemainstreamofthedomesticmarketisnotclearyet.So,onlysupportingsinglestandardTVhandsetisboundtoputalotofrisk.WithregardstothepriceoftheTVhandsetwhichisrareinthemarket,itistooexpensiveforthecustomertoafford,whichistheobstacletothedevelopmentoftheMDTVmarket.Thus,itisveryimportanttotheMDTVindustrialchainifwecanworkoutamulti-standardcompatible,lowcostbutcost-effectiveTVhandset.Firstly,ThispaperdescribesthecoexistenceofseveralmajorstandardsofthemobiledigitalTVintheworld.Meanwhile,thispaperdiscusseshowtoachieveavarietyofTVstandardscompatibleinsmartphonedesignsfromthesystemdesignandindustrializationofpointofview,includingtheevaluationandtheselectionofsolution,theanalysisofthemaintechnicalproblemsandcountermeasuresandotherissuesconcernedintheprogressofindustrialization.ABSTRACTVIInthispaper,theinnovationpointishowtorealizetheoptimizationandimprovementofthedesign,mainlyinthreeaspectsasfollows:(1)Atpresent,themobiledigitalTVstandardsaretoomanykindsandtheycannotbecompatiblewitheachother,thisarticlediscusseshowtoachievemorestandardscompatibleinonehandsetdesign,forexample,thehandsethasawidelycompatibilityforT-DMB,DVB-H,DVB-T,ISDB-TandDAB,whicharepopularintheworld.(2)ThankstothattherearestillmanyuncertaintiesinthesourcecodingoftheMDTVstandards,forinstance,whichvideostandardswillbeadopted?H.264,VC-1orAVS?Andwhichaudiostandardswillbeused?AAC+,BSACorDRA?Thefuturestandardsupgradingriskswillbeexistifweusehardwarecodectofulfilltheaudio/videodecoding,thus,theflexiblesoftwaredecodingmethodwillbethebestwaytosolvethecompatibilityofthestandardsinthefuture.(3)Inaddition,thecurrentTVhandsetistooexpensive,whichwillseriouslyhamperthepopularityoftheterminalmarketandwhichwillbeobstacletothegrowingofTVhandsetindustrialchain.Thisarticlediscusseshowtorealizethecost-optimalandreliabledesignonthepointviewofindustrializationandsystem.Fromhardwaretosoftwareprogrammesforselection,areinacost-effectiveproductsmaximizetheguidingprinciples,thusmakingtheresearchalsohasstrongpracticalsignificance.Keywords:MDTV,TVphone,T-DMB,DVB-H,T-MMB,CDMB,CMMB,ISDB-T,DAB,DVB-T,Smartphone,LinuxVII11.1GPSMobileDigitalTVMDTVPMPUMPC,In-Stat20082010500011——8GPRS——2005652006517DMB630SMGJolonT-DMBT-DMB/DABPMPDVD2006DMB-THT-MMBCMMBCDMBCMBT-MMBCMMBCMBTDSCDMATD-MBMS2008CMMBTD-SCDMATD-MBMSDAB/T-DMBDAB-IP20081.2ADISianoDibicomFrontierSiliconNokiaSamsungLG61T-DMBDVB-HISDB-TMediaFLOCMMBT-MMBCDMBDMB-TH121-2Fig.1-2TheMainMDTVStandardsintheWorldSianoFrontierSiliconT-DMBDVB-HDAB-IPCMMBT-DMB72H.264MPEG-4WMV9AVSAAC/AAC+BSACDRA340001.3,DAB/TDMBDVBHDVB-TDAB-IPISDB-TCDMBCMMBDAB/T-DMBCMMBCMMBH.264AVSLinuxSmartphone182LinuxSmartphoneASICGSM92.1UnicastMulticast2-12-1Table2-1TheRealizationMethodsofMDTV欧韩国华线2.1.1UnicastMulticast2.1.1.1GPRSCDMA20001XWCDMAWimaxHSDPA2G/3G/3.5G102-1Fig.2-1DiagramofUnicast2.1.1.2MBMS(MultimediaBroadcastMulticastService)BCMCSBroadcastandMulticastServicesMBMS3GPPR6WCDMAWCDMAMBMSMBMS;MBMSPUSHTD-SCDMATD-MBMSTDCMBBCMCS3GPP2CDMA2000()()MBMS1MBMS2MBMS113MBMSMBMS4MBMSp-t-pp-t-mMBMSMBMSpreferredfrequencylayerUEMBMS5MBMS6MBMS7WCDMA82-2Fig.2-2DiagramofMulticast2.1.211223GPRSIPTV3~5/DMBDMB7LCDVCDCD2-3Fig.2-3DiagramofBroadcast2.1.2.120076(TelegentSystems)2.1.2.213VHFUHFL:DVB-HT-DMBMediaFLOISDB-TDMB-THTMMBCDMB2.1.2.3DVB-S,S-DMBStimi(CMMB)2.1.31MBMS0.53bit/s/Hz0.23bit/s/HzS-DMB0.380.6bit/s/HzS-DMB2OFDMDS-CDMOFDM1434MBMS550100W6MBMS2.2200712ISDB-TT-DMBDVB-HMediaFLOITU2.2.1ISDB-T2.2.1.1ISDB-TIntegratedServiceDigitalBroadcasting-Terrestrial-199619992001ITU3DVB-T200312ISDB-TOne-Seg20064ISDB-T200712ISDB-T2.2.1.2ISDB-TOFDMCOFDMOFDM(BandSegm