Table 9 Complexities of three SLNR precoding approaches with N=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)

9.08×10⁶

2.16×10⁷

3.98×10⁷

6.42×10⁷

9.73×10⁷

C _i (FLOPs)

2.26×10⁶

6.13×10⁶

1.22×10⁷

2.11×10⁷

3.34×10⁷