Fig. 7From: A simplified hard output sphere decoder for large MIMO systems with the use of efficient search center and reduced domain neighborhood studyUncoded BER of the ODN ZF-SIC-centered FNSA (curve 1), of the ODN MMSE-SIC-centered FNSA (curve 2), of the RDN LRA-ZF-SIC-centered FNSA (curve 3), of the RDN LRA-MMSE-SIC-centered FNSA (curve 4), of the RDN LRA-MMSE-OSIC-centered FNSA (curve 5), and of the ML (curve 6), for K = 4, 4 × 4 complex Rayleigh channel, 64-QAM modulation on each layerBack to article page