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Abstract: We propose Dijkstra-s algorithm with bounded list size after QR decompositionfor decreasing the computational complexity of near maximum-likelihood MLdetection of signals over multiple-input-multiple-output MIMO channels. Afterthat, we compare the performances of proposed algorithm, QR decompositionM-algorithm QRD-MLD, and its improvement. When the list size is set toachieve the almost same symbol error rate SER as the QRD-MLD, the proposedalgorithm has smaller average computational complexity.



Autor: Atsushi Okawado, Ryutaroh Matsumoto, Tomohiko Uyematsu

Fuente: https://arxiv.org/







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