Table 1 Left-right swapping vs row balancing: comparison of powers and condition numbers
From: A robust LU polynomial matrix decomposition for spatial multiplexing
MIMO | Post-filter power | Post-filter condition number | ||
|---|---|---|---|---|
S(z) | V(z)−1 | S(z) | V(z)−1 | |
3×3 | 1.732 | 2.8 | 14 | 3 |
4×4 | 2.000 | 6.3 | 56 | 14 |
5×5 | 2.236 | 10.1 | 156 | 23 |
6×6 | 2.449 | 22.4 | 400 | 51 |
7×7 | 2.646 | 42.2 | 4648 | 287 |
8×8 | 2.828 | 76.1 | 9382 | 520 |
9×9 | 3.000 | 120 | 35,463 | 927 |
10×10 | 3.162 | 180 | 135,843 | 3631 |
11×11 | 3.317 | 247 | 191,350 | 3671 |
12×12 | 3.464 | 424 | 385,776 | 21,104 |
13×13 | 3.605 | 593 | 908,480 | 32,509 |
14×14 | 3.742 | 955 | 1,177,939 | 39,579 |
15×15 | 3.873 | 1733 | 809,090 | 65,055 |