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The application of the multiuser Multiple-Input Multiple-Output (MIMO) technique with Orthogonal Frequency Division Multiplexing (OFDM) signal transmission to future wireless communications systems has attracted much attention. In the uplink, the difference in the arrival timings among the signals from multiple Wireless Terminals (WTs) causes significant transmission quality degradation. In this paper, the authors propose a novel Multi-User Detection (MUD) technique that overcomes this problem. The proposed method discards the samples at both ends of each Fast Fourier Transform (FFT) window.
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