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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