New chaos M-ary modulation method and its application in communications

(整期优先)网络出版时间:2011-01-11
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Atpresent,chaoticcommunicationshavebeenwidelystudied.However,theseresearchesmainlyfocusonthebinarysystemswhiletheresearchesofM-arychaoticcommunicationsarenotextensive.Tochangethesituation,achaosM-arymodulationmethodbasedonphaseplanepartitionofHamiltonmapisproposed.Firstly,thechaoticmodelofHamiltonmapanditsphaseplanefeaturesaredescribed,andthenthewayofcreatingthechaosM-arymodulationisdiscussed.Next,toevaluatetheproposedmethod,thesystemsimulationresultsandanalysisaregiven.Finally,thechaosM-arymodulationmethodisappliedtocommunications.