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

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

N 10 20 30
C f (FLOPs) 1.39×107 1.41×107 1.46×107
C o (FLOPs) 1.11×1010 7.89×1010 2.60×1011