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Table 5 Complexities of 2D-FQUG and overall algorithms with M=80,N=10, and G=L=4

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

K 10 20 30
C f (FLOPs) 1.39×107 2.77×107 4.14×107
C o (FLOPs) 1.11×1010 2.15×1010 3.18×1010