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Table 11 Complexities of three SLNR precoding approaches with M=64,N=12, and L=G=4

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

K 10 20 30 40 50
C a (FLOPs)̂ 8.94×106 3.35×107 7.38×107 1.30×108 2.01×108
C p (FLOPs) 5.80×106 2.34×107 4.56×107 8.22×107 1.33×108
C i (FLOPs) 2.36×106 7.54×106 1.04×107 1.63×107 2.53×107