Table 10 Complexities of three SLNR precoding approaches with M=64,L=G=4, and K=20

C _a (FLOPs)

1.46×10⁷

3.35×10⁷

6.09×10⁷

9.73×10⁷

1.43×10⁸

C _p (FLOPs)

9.42×10⁶

2.10×10⁷

4.03×10⁷

6.42×10⁷

9.35×10⁷

C _i (FLOPs)

2.12×10⁶

5.50×10⁶

1.05×10⁷

1.89×10⁷

2.96×10⁷