摘要
Thispaperdealswiththedesignandperformanceanalysisofthetransmissionprecoderoptimizationformultiple-inputmultiple-output(MIMO)systemswithlimitedfeedbackofchannelstateinformation(CSI).Weassumethatthereceivercangetperfectchannelknowledgebychannelestimationwhilethetransmitteronlyhaspartialchannelknowledgefromlimitedfeedback.Wepresentaminimummeansquareerror(MMSE)criterionbasedcodebookconstructionalgorithmforMIMOpre-codedspatialmultiplexingsystemsunderaspecificaveragepowerconstraint.Theoptimaltransmitterstructureisemployedinthispaper.SimulationresultsshowthattheMMSEcriteriabasedcodebookconstructionalgorithmwithhybriddesignofpowerallocationandprecodingcanachievebetterperformancethanthatofequalpowerallocationbasedcodebookofpreviousresearch.
出版日期
2007年12月22日（中国期刊网平台首次上网日期，不代表论文的发表时间）
