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Table 8 Complexities of three SLNR precoding approaches with M=12,N=64,G=4, and K=20

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

L 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) 2.16×107 5.90×106 1.46×106 4.50×105 1.21×105
C i (FLOPs) 6.76×106 2.03×106 5.22×105 2.09×105 9.32×104