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We consider soft MIMO detection for the case of block fading. That is, the transmitted codeword spans over several independent channel realizations and several instances of the detection problem must be solved for each such realization. We develop methods that adaptively allocate the computational resources to the detection problems of each channel realization, under a total per-codeword complexity...
Iterative reception involves the computation of high quality log-likelihood ratios (LLR) to run efficiently, but the computation complexity of optimal a posteriori probabilities (APP) is exponential in the multiple-input multiple-output (MIMO) system dimensions. The list-sequential (LISS) detector achieves near- optimal performance by searching for a list of best candidates inside a tree modelizing...
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