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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (12): 1894-1900    DOI: 10.1631/jzus.2007.A1894
Electrical & Electronic Engineering     
A novel MMSE based codebook construction for MIMO precoded spatial multiplexing with limited feedback
SHE Feng, LUO Han-wen, WANG Xin
Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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Abstract  This paper deals with the design and performance analysis of the transmission precoder optimization for multiple-input multiple-output (MIMO) systems with limited feedback of channel state information (CSI). We assume that the receiver can get perfect channel knowledge by channel estimation while the transmitter only has partial channel knowledge from limited feedback. We present a minimum mean square error (MMSE) criterion based codebook construction algorithm for MIMO precoded spatial multiplexing systems under a specific average power constraint. The optimal transmitter structure is employed in this paper. Simulation results show that the MMSE criteria based codebook construction algorithm with hybrid design of power allocation and precoding can achieve better performance than that of equal power allocation based codebook of previous research.

Key words： Multiple-input multiple-output (MIMO)      Precoding      Channel state information (CSI)      Feedback     
Received: 08 April 2007     
CLC:  TN929.5  
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SHE Feng
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SHE Feng, LUO Han-wen, WANG Xin. A novel MMSE based codebook construction for MIMO precoded spatial multiplexing with limited feedback. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(12): 1894-1900.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A1894     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I12/1894

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