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Table 7 Complexities of three SLNR precoding approaches with M=64,N=12,L=4, and K=20

From: A low-complexity 3D massive MIMO scheme jointly using statistical and instantaneous CSIT

G 4 8 16 32 64
C a (FLOPs) 3.36×107 1.55×107 7.52×106 3.72×106 1.85×106
C p (FLOPs) 2.17×107 5.09×106 1.35×106 3.77×105 1.30×105
C i (FLOPs) 5.91×106 1.44×106 4.89×105 1.91×105 1.12×105