DIFFERENTIAL AMPLITUDE PHASE SHIFT KEYING:A NEW MODULATION METHOD FOR TURBO CODE IN DIGITAL RADIO BROADCASTING

(整期优先)网络出版时间:2003-02-12
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ThemultilevelmodulationtechniquesofM-DifferentialAmplitudePhaseShiftKeying(DAPSK)havebeenproposedincombinationwithTurbocodeschemefordigitalradiobroadcastingbandsbelow30MHzradiochannel.ComparisonofthismodulationmethodwithchannelcodinginanAdditiveWhiteGaussianNoise(AWGN)andmulti-pathfadingchannelshasbeenpresented.TheanalysisprovidesaniterativedecodingoftheTurbocode.