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Blind Near-MAP Selection Diversity With PIC-LSP Multiuser Detection for Multiuser OFDM

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3 Author(s)
Yu-Yi Cheng ; Industrial Technology Research Institute, Hsinchu, Taiwan ; Yumin Lee ; Hsueh-Jyh Li

In this paper, a receiver algorithm for uplink multiuser orthogonal frequency-division multiplexing (OFDM) with a receiver-diversity system is proposed. The receiver uses a simple multiuser generalization of the maximum a posteriori probability (MAP) selection diversity combining followed by parallel interference cancellation with least-squares projection (PIC-LSP) for multiuser detection. Compared with the near-maximal-ratio-combining (near-MRC) scheme, simulation results show that the proposed approach achieves very good performance and has much lower complexity.

Published in:

IEEE Transactions on Vehicular Technology  (Volume:59 ,  Issue: 5 )