摘要
ThisarticleinvestigatestransmitterdesigninRayleighfadingmultipleinputmultipleoutput(MIMO)channelswithspatialcorrelationwhentherearechanneluncertaintiescausedbyacombinedeffectofchannelestimationerrorandlimitedfeedback.Toovercomethehighcomputationalcomplexityoftheoptimaltransmitpowerallocation,asimpleandsuboptimalallocationisproposedbyexploitingthetransmissionconstraintanddifferentiatingaboundbasedonJenseninequalityonthechannelcapacity.Thesimulationresultsshowthatthemutualinformationcorrespondingtotheproposedpowerallocationcloselyapproachesthechannelcapacitycorrespondingtotheoptimaloneandmeanwhilethecomputationalcomplexityisgreatlyreduced.
出版日期
2009年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
