PERFORMANCE ANALYSIS OF TAS/MRC-BASED SCHEME IN TIME-VARYING RAYLEIGH FADING CHANNELS

(整期优先)网络出版时间:2010-02-12
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ThispaperinvestigatesaMultiple-InputMultiple-Output(MIMO)schemecombiningTransmitAntennaSelectionandreceiveMaximal-RatioCombining(TAS/MRC)intime-varyingRayleighfadingchannels.Wefirstpresentnewclosed-formexpressionsforoptimalreceivedSignal-to-NoiseRatio(SNR),whichisexpressedinpolynomialform.Theseareusedtoanalyzeergodiccapacity,outageprobabilityandBitErrorRate(BER)ofTAS/MRCsystems.Numericalresultsarepresentedtovalidatethetheoreticalanalysis.