Journal of University of Chinese Academy of Sciences ›› 2008, Vol. 25 ›› Issue (2): 238-243.DOI: 10.7523/j.issn.2095-6134.2008.2.015
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CHENShu, LIUQiJia, LIUChang Qing, ZHAOKeMing
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Abstract: in this paper, thedesign and implementation ofthesynchronization algorithmsin alldigitalcommunicationreceiversareintroduced.ThefixedpointtimingrecoveryalgorithmbasedontheGardnerfeedbackloopapproachandthecarrierrecoveryalgorithmusingdigitalCostaslooparerealizedviaAlteraDSPBuilder.BoththecomputersimulationandtheFPGArealizationdemonstratethevalidityofthealgorithms.ResultsshowthattherealizedsystemhasgoodperformancewiththeSNRdegradationlessthan15dB,theacquisitionrangesoftimingrecoveryandcarrierrecoverylargerthan±1% and±4%,respectively.
Key words: Gardneralgorithm, digitalCostasloop, DSPBuilder
CLC Number:
TN927.21
CHENShu, LIUQiJia, LIUChang Qing, ZHAOKeMing. Implementationoftimingandcarrierphaserecoveryin alldigitalreceiversbasedonDSPBuilder[J]. Journal of University of Chinese Academy of Sciences, 2008, 25(2): 238-243.
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URL: http://journal.ucas.ac.cn/EN/10.7523/j.issn.2095-6134.2008.2.015
http://journal.ucas.ac.cn/EN/Y2008/V25/I2/238