Low-Complexity Estimation for Spatially Modulated Physical-Layer Network Coding Systems

Algorithm 1

Matrix decomposition and quantization value calculation.

1: Input:

2: Initialization:

3: Decompose channel matrix :

4: Exchange 2 columns of to get and decompose it:

5: Calculate quantization values:

6: Calculate residual interference:

7: If and then

8:If then

9:

10:Else

11:

12:End

13: Else if

14:

15: Else

16:

17: End

18: Calculate

19: Output: