MMSE SQRD based SISO detection for coded MIMO-OFDM systems

查看全文 作　　者：ZHONG [1]Wen;LU [1]AnAn;GAO [1]XiQi

机构地区：[1]National Mobile Communication Research Laboratory, Southeast University

出　　处：《Science China(Information Sciences)》索引2014年第57卷第4期,共10页

基　　金：supported by National Natural Science Foundation of China(Grant Nos.60925004,60902009,61222102);National High-tech R&D Program of China(863 Program)(Grant No.2012AA01A506);National Science and Technology Major Project of China(Grant Nos.2011ZX03003-001,2011ZX03003-003-03) 摘　　要：In this paper,we propose a minimum mean square error(MMSE)sorted QR decomposition(SQRD)based soft-input soft-output(SISO)detection algorithm for coded multiple-input multiple-output orthogonal frequency division multiplexing(MIMO-OFDM)systems.The proposed detection is derived from the SISO MMSE detection,which is a popular detection strategy for iterative receivers.For each transmitted symbol in the proposed detection,a soft successive interference cancellation(SIC)is performed based on a posteriori probabilities of past detected symbols.Simulation results show that the proposed detection,while needing less computational efforts,achieves significant performance gain compared with the SISO MMSE detection. 关键词：MIMO-OFDM系统检测策略 MMSE SISO 编码多输入多输出软输入软输出最小均方误差

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MMSE SQRD based SISO detection for coded MIMO-OFDM systems

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