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-1-21009612341234/MIMO561(1)A/D(2)2(1)-2-(2)BlockCodesCRC3(1)(2)BurstErrorRandomError(3)(4)4(1)(2)Space-TimeCodingOFDM(3)5CRCGMSKTDMACRC(TurboDSCDMA(QPSK/BPSK)(1)(2)IS-951/2cdma20001/4(3)Turbo10-310-610-6123PCMHuffmanJPEGMPEG45-3-1(1)PCMADPCMNyquist(2)2(1)RPE-LTPCELPEVRCAMR(2)(3)1(1)(2)2(1)(2)CheckSum3ShapingTCM(1)(2)TCMSTC1GSMCRCR=1/21/3L=572IS-95CDMACRCR=1/21/3L=93cdma2000CRCR=1/4L=9CRCTurboCRC4WCDMA64kbpsTurbo1(1)(2)2(1)GSM(2)cdma2000-4-12MPAMMPSKFSKQAM3(1)GMSKCPMOffsetQPSK(2)TCMCodedModulationBCMBlock45TDMACDMAOFDM6(1)(2)cdma2000BPSK/QPSKQPSK/QPSKBPSK/QPSK/QPSK(3)QPSKQPSKQPSK+1/-1QAM7(1)GSMGMSKI/QQPSK(2)BPSK/QPSK1(1)CDMAChip(2)2(1)(2)OFDMOFDM-5-(3)(4)3(1)(2)CDMA1(1)DFEMLSEMAP(2)111Z-1ISI(3)DFE(4)MLSE(5)MAPMLSE2(1)(2)(3)(4)(5)OFDM3(1)MLSE(2)Chip41(1)-6-(2)TCM(3)Offline2(1)ShannonShannon(2)HDTV(3)3H-ARQ(1)H-ARQ(2)2G3GH-ARQ(3)ARQDataBufferCRC(4)(5)H-ARQ42004070MHz100MHz5(1)ISDN(2)Sub-Channel1664-QAMQPSKBPSK(3)1AWGN2-7-(1)GSMCDMA(2)ISIDoppler(3)(4)DSP341Gauss2Profile:3(1)(2)OFDMISI456WCDMAProfile1(1)GSMCDMA(2)(3)-8-2(1)Symbol(2)2.4kbpsHzWSSUSsTsTcohTtssBsBcohBDscohTDstscohBWSSUS1FIR(1)FIR(2)IIRKalman2-9-3Profile45JakesGaussClassic612RayleighJakes3Profile4ProfileBSMSPath1Path2123-10--20dB0dB18dB20dBcdma2000Eb/N0=4dB6dBGSM0.3dB2dB3dBGSM-10dB4HillyRuralsm16~13(1)Profile(2)DopplerShift5i.i.d∑GaussianClassicIJakesi.i.d∑GaussianClassicQ(1)Doppler-11-(2)CDMA1SS20dB60dBSSSNRinpoutNSGNS⎟⎠⎞⎜⎝⎛⋅=⎟⎠⎞⎜⎝⎛2SNRWCDMAcdma20003CDMATDMA23(1)CDMA(2)IS-95cdma2000(3)1/3(4)TDMA(5)1Shannon)1(log2NSBCw+=wBHzCbpsSN23RFwBRRBGwp/=tpoNSGNS⎟⎠⎞⎜⎝⎛⋅=⎟⎠⎞⎜⎝⎛CDMACDMA1(1)-12-(2)2GHz2(1)PN(2)3(1)(2)TDMACDMA(3)GSM1(1)BPSK(2)BPSK(3)PN(4)PNdFourier(5)FourierPNOFDM2RAKE(1)PN(2)(3)(4)(5)PN-13-)(wX)(wSff00ˆ()()()()()()tTkiljtSnTSnTPNtWtPNtWtdt+=⋅⋅⋅⋅∫)()(tWtPNik⋅)()(tWtPNjl⋅Walsh1(1)IS-95(2)IS-95(3)1PNWalsh(1)PN(2)Walsh2(1)WalshOVSF(2)PN(3)cdma2000Walsh(4)PNPNOffsetPNOffset(5)WalshCDMA-14-1CDMA2345PN61TDDTimeDivisionDuplex⇔2FDDFrequencyDivisionDuplex⇔CDMAlgab×××+×≅111/0NEGMbpMGpEbN0b0.40.550.5a0.50.90.85g0.4510.6l32.552.551b5.0=b1/32a0.534AccessPaging523CDMA-15-1/3cdma20004550IS-9524306GSM(1)N35826583(2)S7GSMTDMA817CDMA1(1)(2)FDD2(1)(2)(3)3(1)(2)(3)(4)(5)(6)CDMARAKE1(1)(2)-16-(3)(4)ChipDSP1Gips1000mips2(1)(2)PN(3)(4)CDMACDMARF/CDMA1-17-(1)(2)Pilot(3)SyncPagingAccessTraffic(4)PN151Pilot80ms2Pilot(1)(2)215PN26.6ms3PN(1)151(2)IQPN(3)215-1m04(1)242M45(2)(3)UTCTime5(1)(2)(3)67Sync(1)80ms(2)PN1188Sync(1)SystemTime(2)20ms9Paging-18-(1)20ms10ms(2)(3)(4)cdma2000QuickPagingBroadcast10Paging(1)(2)(3)20ms11Access(1)20ms(2)Preamble(3)(4)12Access(1)ESN(2)(3)1(1)Walsh(2)PilotPagingBroadcast2(1)ESNPNcdma2000WalshIS-95(2)PN12345-19-123MLSEMAPRAKE(1)MLSEMAP(2)WCDMAcdma20001/54(1)(2)OFDM1(1)MMSEMMSE(2)ML(3)LSLSMMSE2(1)(2)(3)-20-12345ML(1)(2)FourierBussgangStop-Go6151-Z1-Z1-Z][nPN][1nh][5nhAWGN][]5[][]1[][][51,nvnPNnhnPNnhnrPNl+-+-=FIR-21-1-Z1-Z1-Z][nPN1h1-Lh][ˆ,nrPNl0h2-Lh][,nrPNl][ne1][ne2][nh0N-1{}][]1[][1]1[]5[][1]1[]1[][1]1[][1]1[]5[][1]1[]1[][1]1[][]5[][]1[][1]1[][1][ˆ111511115111511,1nhiPNivNiPNiPNnhNiPNiPNnhNiPNivNiPNiPNihNiPNiPNihNiPNiviPNihiPNihNiPNirNnhNnniNnniNnniNnniNnniNnniNnniNnniPNl≈-+--+--=-+--+--=-⋅+-+-=-⋅=∑∑∑∑∑∑∑∑-+=-+=-+=-+=-+=-+=-+=-+=1]1[]1[11=--∑-+=NnniiPNiPNN0]5[]1[11≈--∑-+=NnniiPNiPNN00]1[][11=-∑-+=NnniiPNivN3GSMPreambleLS(1)LLLLPRH1ˆ-=∑==150*)()()16/1(kLLLLkAkAR∑==150)()16/1(kLkLkAvP(2)55-22-5123(1)GSMBurst2651650(2)GSMGMSK5(3)cdma2000PN1411PN(1)256chip-9dB(2)m2345CDMA1(1)(2)(3)(4)2(1)PilotPilot(2)Pilot-23-(3)(4)(5)WhiteningMatchedFilter0.2dB(6)3km/h10km/hGSMCDMA123Pilot4Semi-blind563GSpace-TimeCodingCDMAcdma2000WCDMAFDDTD-SCDMATDDCdma20008km/h30km/h-24-1(1)(2)(3)3km/h10km/h2(1)3dB(2)RAKE(3)800MHz2GHz0.375m0.15m10B3G5GHz3(1)3G(2)(3)(4)(5)4(1)(2)(3)5(1)(2)(3)cdma2000OTDSTSSpace-TimeSpreading(4)WCDMASTTDTSTDTime-SwitchedTransmitDiversity-25-(5)12(6)1(1)])(Re[)(2tfjlcetstsp=(2))]()([21)(*clclffSffSfS--+-=2(1)])(Re[2)(2tfjlceththp=(2))]()([21)(*clclffHffHfH--+-=3(1))]()([21)()()(*clclffRffRfHfSfR--+-==)()()(fHfSfR=(2)(3)1Eb/N0Es/N0(1)(2)SNREc/N0Es/N0Eb/N0(3)Eb/N0(4)-26-2(1)(2)SERBER3PbPsFERBLER(1)(2)FERWCDMA(3)BERSERFER(4)TurboBER=10-810-6BER(5)(6)BERFERBERSER(7)WCDMAWCDMABLERcdma2000FER45ALOHA6(1)(2)78RecoveryHARQ-27-TurboRAKEA/DorIorIˆocIAWGNBER,BLERSERWCDMAorIorIˆocI1(1)(2)(3)(4)T(5)T/2WF(6)GSMGMSK1%-20dBcdma2000482(1)Chip(2)3dBAWGN-28-1AGCADC2(1)(2)A/D(3)3412ADCAGC345(1)46Bit(2)0.05dB67RAKE8(1)MLSE(2)(3)1(1)(2)(3)-29-2(1)(2)(3)1(1)(2)(3)2(1)(2)(3)(4)AWGN(5)SPWCOSSAP(6)MatlabViterbi(1)MLSEViterbi(2)Viterbi(3)Viterbi(4)256ViterbiMLSEViterbikbkkknnsr+±=+=xbsx=1bsx-=2ks()⎥⎥⎦⎤⎢⎢⎣⎡--=2212exp21)|(nbknkrsrpsxsp()⎥⎥⎦⎤⎢⎢⎣⎡+-=2222exp21)|(nbknkrsrpsxspKkK1=-30-()()⎥⎥⎦⎤⎢⎢⎣⎡--⎟⎟⎠⎞⎜⎜⎝⎛=⎥⎥⎦⎤⎢⎢⎣⎡--==∑∏∏===KknmkkKnKkKknmkknmkkmKsrsrsrpsrrrp122)(1122)()()(212exp212exp21)|()|,,,(sspsspL∑=-=KkmkkmsrsrD12)()()(),(rrViterbiMLSETimeSlotKViterbi12TentativeDecision34ASIC5DynamicprogrammingViterbi1k2(1)k+1N2Nk(2)(3)k-L(4)L1MLSE2-31-3(1)256i0M(2)8M88M(3)3240486472Qualcomm32400.5dBViterbi12NsNsNumberofState2NsLNs312Ns2iQuickLookupTableC5431/244)]/1(2[RNs××(1)(2)(3)(4)12-32-