光正交频分复用_OFDM_光纤通信系统综述

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20118(OFDM)OverviewofOFDMforopticalcommunicationsystemsYUANRong(No.34ResearchInstitute,CETC,GuilinGuangxi541004,China)Abstract:VeryrecentlyanumberofresearcheshaveshownthatOFDMisaverypromisingtechnologyforopticalcommunications.ThispapergivesatutorialoverviewofOFDMtechnicalprogress.TheprinciplesofOFDMareintroduced.TheStatusandfuturedevelopmentsforOFDMtransmissionsystemsofmultimodeop-ticalfiberandsinglemodeopticalfiberarebriefdescribed.ApplicationstatusforopticalOFDM-basedPONfornextgenerationopticalaccessissummarized.Finally,fundamentaladvantagesanddisadvantagesofOFDMinopticalcommunicationapplicationsareindicated,andthefutureofopticalOFDMareprospected.Keywords:OFDM;O-OFDM;OFDM-PON;MIMOOFDM-PON(,541004):OFDM。OFDMOFDMOFDM-PONOFDM。:O-OFDMOFDM-PON;MIMOOFDM-PON:TN929.11:A:1002-5561(2011)08-0029-050(OFDM),、,,(LAN,Wi-Fi)、(DSL)、(WiMAXIEEE802.16)。OFDM,,。OFDM,。OFDM(FDM),,,。OFDM,1996PanGreenOFDM(O-OFDM),OFDM。O-OFDMOFDM,O-OFDM。2007,O-OFDM11.9Gb/s1600km,,DKKI52.5Gb/sOFDM4160km。2008,52.5Gb/sO-OFDM4160km,。NEC2009108Gb/sOFDMA-PON。1O-OFDMO-OFDMOFDM,,1/(IM/DD)OFDM。,N,NOFDM。,。,(IFFT)OFDM,OFDM:2011-07-22。:(1942-),,,,《》、《(3)》《》。輦輷訛20118(DAC),,,OFDM。,。,,OFDMOFDM,(ADC)、,(DFT),OFDM,,,。2OFDM,,;,,,(MIMO);,,。10Gb/s。10Gb/s(LAN)。OFDM,,,。E.GiacoumidisJ.M.Tong2011OFC,3dB150MHzkm,19.375Gb/sOFDM500m。10Gb/s19.375Gb/s。WilliamShieh2009,OFDM1Tb/s,,OFDM100Tb/s(OFC2009,OWW1)。3OFDMQiYang2009,107Gb/sOFDM(OBM-OFDM),1000km,,。OBM-OFDM2×2MIMO-OFDM,4QAM,3.3b/s/Hz[1]。,OBM-OFDM,107Gb/s,2。,5OFDM,107Gb/sOBM-OFDM,OFDM21.4Gb/s,,128OFDM。(AWG)10GS/s(SSymbol)I/Q,90°-(MZM)I/Q,OFDM5。2×2MIMOOFDM,10.7Gb/s。,21.4Gb/s,。,OBM-OFDM。S.L.Jansen200825.8Gb/sOFDM4160km[2],77000ps/nm。NEC2009OFDM,22.4Gb/s1000km[3]。E.H.Salas2011VCSE/1IM/DDOFDM2107Gb/sOBM-OFDM:(OFDM)輧輮訛20118(IM/DD)64QAM11.25Gb/sOFDM25km[4]。4OFDM1Tb/s1046%,610。2011100Gb/s,20171Tb/s,2~3。2009,YanTangWilliamShieh1Tb/sOFDM[5]。,3。OFDM,WDMCO-OFDM,WDM(AWG),。10,1000km。EDFA(6dB)(ROADM)。AWG,。VPItransmissionMakeWDMV7.6,CO-OFDMPMD,PMD。4,10Gb/s、42.8Gb/s、107Gb/s1.07Tb/s。5OFDMTDM10Gb/sPON。EPONGPON,。TDM-PON,。,WDM-PON,,(AWG),,。,WDM-PON。PON,OFDM-PON。OFDM-PON,OFDMA,,,,。OFDM-PONTDM-PON,,,PON;,PON。OFDM-PON4。OFDMAOFDMTDMA,OFDMTDMA。OFDM-PON,,ONU。,(RoF)。TDM(T1/E1),31Tb/sOFDM4OFDM-PON:(OFDM)輧輯訛20118IP,ONU1ONU3。OLT。,,ONU。ONU,。,OLT,,,。OFDM,。ONU,ONU()、,。5NEC10Gb/sOFDM-PON[6],256,2,128,ONU1ONU2。QPSKOFDM。ONULD。,WiMAXOFDM-PONOFDM-PON。OLT,,TektronixTDS6154C10Gsample/s,ONU1ONU2。WiMAX,WiMAX。NEC2009OFC(PDPD5)108Gb/sOFDMA-PON。640Gb/sMIMOOFDM-PON6NEC2009OFDM-PON,PONMIMO,40Gb/s20km5OFDM-PON6MIMOOFDM-PON:(OFDM)輧輰訛20118。15dB,1:32。,OLT(PBC)12.5GHz、5.6GHzOFDM;,ONU,。OLT,12.5GHzMZM(IM)。OFDM2.8GHzI/Q,fcXIMYIM。12.5GHz,X、Y25GHz,7(a)。7(b)7(c)XY,50GHz。7(d)X/Y(PBC)IM,XPBC。7(e)25GHzXY,XY。ONU,(PBS)OFDM,20GHzOFDM,DPO72004(ADC),OFDM,MIMOMIMOOFDM。OFDMIQFFT。7O-OFDM;FFTDSP,;(ISI)(ICI);;,,。OFDM,(WAN)、(MAN、(LAN)、。OFDM、I/Q。,OFDM。,OFDM,。,,OFDM。,OFDM,。:[1]YANGQi,TANGYan,MAYiran,etal.ExperimentalDemonstrationandNumericalSimulationof107Gb/sHighSpectralEfficiencyCoherentOpticalOFDM[J].JournalLightwaveTechnology,2009,27(3):168-175.[2]JANSENSL,MORITAI,SCHENKTCW,etal.CoherentOptical25.8Gb/sOFDMTransmissionOver4160kmSSMF[J].JournalLightwaveTechnology,2008,26(1):6-15.[3]QIANDayou,CVIJETICNeda,HUANGYeu-Kai,etal.22.4Gb/sOFDMTransmissionover1000kmSSMFusingPolarizationMultiplexingwithDirectDetection[C].OFC2009,OTuO7.[4]HUGUES-SALASE,GIDDINGSRP,HONGY,etal.FirstExperimen-talDemonstrationofLow-CostVCSEL-IntensityModulatedEnd-to-EndReal-TimeOpticalOFDMSignalTransmissionat11.25Gb/sover25kmSSMFs[C].OFC2011,OMG5.[5]TANGYan,SHIEHWilliam.CoherentOpticalOFDMTransmissionUpto1Tb/sperChannel[J].JournalLightwaveTechnology,2009,27(16):3511-3517.[6]QIANDayou,HUJunqiang,JIPN,etal.10Gb/sOFDM-PONforDe-liveryofHeterogeneousServices[C].OFC2008,OWH4.[7]QIANDayou,CVIJETICNeda,HUJunqiang,etal.40Gb/sMI-MO-OFDM-PONUsingPolarizationMultiplexingandDirect-Detection[C].OFC2009,OMV3.7MIMOOFDM-PONXY:(OFDM)輧輱訛

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