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Optimal Interference Rejection Weight for Multistage Parallel Nulling-Partial PIC Receiver for MIMO MC-CDMA Systems  

구정회 (연세대학교 전기전자공학과)
김경연 (연세대학교 전기전자공학과)
심세준 (연세대학교 전기전자공학과)
이충용 (연세대학교 전기전자공학과)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.41, no.11, 2004 , pp. 9-15 More about this Journal
Abstract
We propose optimal interference rejection weight for multistage parallel nulling (MPN) partial parallel interference cancellation (PPIC) receiver previously proposed to enhance the performance of V-BLAST for downlink multiple-input multiple-output (MIMO) multicarrier (MC)-code division multiple access (CDMA) systems. MPN-PPIC method proposed in [1] was based on the parallel interference cancellation (PIC) with fixed interference rejection weight obtained experimentally. However, the fixed weight can not be adapted to various systems efficiently, thus we proposed method for the optimal interference rejection weight based on the received signal to interference and noise ratio (SINR), and the performance of the proposed method was evaluated through computer simulation comparing with the previous method. We obtained performance gains of 2.5 dB ~ 5 dB for BER of 10$^{-3}$ .
Keywords
MIMO MC-CDMA; MPN-PPIC;
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Times Cited By KSCI : 1  (Citation Analysis)
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