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M-Algorithm-Based Optimal Detectors for Spatial Modulation
Journal of Communications
Abstract-A novel M-algorithm-based detector, namely Malgorithm to maximum-likelihood (M-ML), for spatial modulation (SM) receiver is proposed recently, however, due to the miscalculation of metrics, bit-error-rate (BER) performance of M-ML is far away from optimal actually. In this paper, a modified M-ML detector, which calculates accumulated metrics of each layer and can achieve optimal BER performance, is proposed; Furthermore, an M-algorithm-based constellationreduction (MCR) methoddoi:10.12720/jcm.10.4.245-251 fatcat:iz47bikyzjbrpev7yk5hdbj7ea