Transmit scheme to improve coverage in simulcast system based on wideband channel measurement in indoor at 6 GHz-中国Betway体育网页登陆

摘要 Arraygainwouldbewellexploitedtoimprovepowercoverageifsomepowerfulmultipathcomponentsfromdifferentradiolinkscancoherentlycombineatthereceiver(Rx).Thus,inthispaper,analgorithmisproposedfortransmissioninsimulcastsystem,wherepartialchannelstateinformation(CSI)isneeded.Basedonmeasuredmultipathchannel,performanceoftheproposedalgorithmisevaluated.Accordingtosimulationresults,theproposedalgorithmoutperformsthedirectionsummation(DS)schemeandmultipathantennadiversity(MAD)algorithm,with2～4dBadvantageoverthelatters.Especiallyinlineofsight(LOS)scenario,theadvantageismoreobvious.Besides,theproposedalgorithmbringsmoregainwithincreasingnumberoftransmitantennaswithoutadditionalpower.Finally,robustnessoftheproposedalgorithmisexaminedwithimperfectCSI.

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Transmit scheme to improve coverage in simulcast system based on wideband channel measurement in indoor at 6 GHz

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