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Table 1 Complexities of 2D-FQUG and overall algorithms with N=10,G=L=4, and K=10

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

M 80 100 120
C f (FLOPs) 1.39×107 2.69×107 4.63×107
C o (FLOPs) 1.09×1010 2.12×1010 3.64×1010