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In this letter, we propose a new approximated basis vector reordering (ABVR) criterion for low-complexity lattice reduction aided (LRA) multiple-input multiple-output (MIMO) detection. Despite the approximation, the ABVR criterion is proved to collect the full receiving diversity for LRA linear detection. A variant of the well-known complex Lenstra Lenstra Lovász (CLLL) algorithm, i.e., LLL with deep...
We propose a variant of the well-known Lenstra, Lenstra, Lovász algorithm (LLL) for MIMO detection in this paper, which is called random selection LLL (RSLLL). Not like the original LLL algorithm which sequentially searches through the whole basis, the new algorithm takes a random selection of the next pair of columns for LLL reduction. The proposed algorithm is proved to finish within finite number...
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