›› 2012, Vol. 32 ›› Issue (2): 48-54.doi: 10.3780/j.issn.1000-758X.2012.02.008

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ConvolutiveBlindSeparationAlgorithmBasedonSatelliteCommunicationAnti-jamming

 WEN  Yuan-Yuan, CHEN  Hao   

  1. (Xi′anDivisionofChinaAcademyofSpaceTechnology,Xi′an710100)
  • Received:2011-05-09 Revised:2012-04-25 Online:2012-04-25 Published:2012-04-25

Abstract:  Aimingattheproblemofsatellitecommunicationsignalandjammingblindseparationinnoisyenvironment,anewalgorithmforconvolutivemixtureblindsourceseparation (BSS)byexploitingthehouseholdertransformationtorealizethejointdiagonalizationofhighordercumulantandoperationinthefrequencydomainwasproposed.Comparedwiththeclassicalmethods,simulationresultsshowthattheproposedalgorithmhaslowercomputationalcomplexityandbetterseparationperformance.Whensignal to noiseratio (SNR)isgreaterthan10dB,thenovelalgorithmofanti-jammingcanrealizetheseparationofcommunicationsignalsandthejamming,andhasgoodseparationperformance.

Key words: Blind source separation, Convolutive mixture, Householder transformation, Signal to noise ratio, Noise jamming, Satellite communication