简介：Wedemonstrateadigitalopticalcommunicationsystembasedonminimumshiftkeying(MSK)signaltransmissionwithcoherentdetection.5-Gb/sMSKsignalcantransmitovera160-kmstandardsinglemodefiber(SSMF)withoutphasecompensation.Atthereceiver,weusedata-aidedchannelestimationandfrequencydomainequalization(FDE)techniquesinthedigitalsignalprocessing(DSP)algorithm,thenanalyzeitsperformancecharacteristicscomparedwithquadraturephaseshiftkeying(QPSK)format.ThesimulationresultsshowthattheMSKformatwillbeapotentialcandidatefornext-generationaccessnetwork.
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