Linear Transmitter Precoding Design with Matching Weighted SLNR for Multiuser MIMO Downlink Systems
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概要
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A multiuser precoding algorithm based on matching weighted signal-to-leakage-and-noise ratio (SLNR) is proposed for multiuser MIMO downlink systems. In the proposed algorithm, the matching weight factor is selected based on the effective channel gain, and the leakage power caused by each user is weighted by the factor. The precoding vector is obtained by maximizing the matching weighted SLNR. Simulation results show the superiority of the proposed scheme in terms of bit error rate over the conventional SLNR schemes.
著者
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Sun Rong
State Key Lab Of Isn Xidian University
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Ge Jianhua
State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an 710071, China
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BAO Xinxin
Patent Examination Cooperation Center of The Patent Office, SIPO
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SUN Chuiqiang
State Key Laboratory of ISN, Xidian University
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GE Jianhua
State Key Laboratory of ISN, Xidian University
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