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In this paper, we a propose near maximum-likelihood detection (MLD) scheme for multiple-input multiple-output antenna systems over flat fading channels. The new scheme is based on utilizing an initial estimate of the received symbol and discriminate the reliability of the estimated symbol with RD algorithm. If the reliability of the estimated symbol is low, we make a candidate subset of the upper...
Recently lattice-reduction (LR) has been used in signal detection for multiple-input multiple-output (MIMO) systems. The conventional LR aided detection schemes are combinations of LR and signal detection methods such as zero-forcing (ZF) and minimum mean square error (MMSE) detection. In this paper, we propose the LR aided scheme based on extended noise variance matrix in quantization step. Simulation...
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