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Linear Precoding for V-BLAST Systems in the Presence of Fading Correlations Tingting SHI Shidong ZHOU Yan Yao Ming ZHAO Publication IEICE TRANSACTIONS on Communications Vol.E89-B No.11 pp.3136-3138 Publication Date: 2006/11/01 Online ISSN: 1745-1345 DOI: 10.1093/ietcom/e89-b.11.3136 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: vertical Bell laboratories layered space-time (V-BLAST), linear precoding, fading correlation, channel state information (CSI), bit error rate (BER), Full Text: PDF(131.9KB)>>
Summary: This letter proposed a linear precoding scheme for the V-BLAST system that requires only knowledge of the statistical CSI; the transmitter does not need the instantaneous CSI. Power allocation on the eigenmodes of the transmit correlation matrix is one way to minimize bit error rate (BER). Simulation results show that the proposed precoding V-BLAST system provides a significant reduction in the BER compared with the conventional V-BLAST systems. | |||||
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