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Coded Layered Space-Time Transmission with Signal Space Diversity in OFDM Systems  

Kim, Ji-Hoon (고려대학교 전기전자전파공학부 무선통신연구실)
Lee, In-Kyu (고려대학교 전기전자전파공학부 무선통신연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.7C, 2007 , pp. 644-651 More about this Journal
Abstract
In multiple antenna systems, vertical Bell Labs Layered Space-Time (V-BLAST) systems enable very high throughput by nulling and cancelling at each layer detection. In this paper, we propose a V-BLAST system which combines with signal space diversity technique. The benefit of the signal space diversity is that we can obtain an additional gain without extra bandwidth and power expansion by applying inphase/quadrature interleaving and the constellation rotation. Through simulation results, it is shown that the performance of the proposed system is less than 0.5dB away from the ideal upper bound.
Keywords
Multi-input Multi-output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM); Vertical Bell labs Layered Space-Time (V-BIAST); Bit-Interleaved Coded Modulation (BICM) and Signal Space Diversity (SSD);
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