Table 1 Number of real operations per tone and iteration (N t = 4, M = 64)
From: Hardware oriented, quasi-optimal detectors for iterative and non-iterative MIMO receivers
| Â | Â | Multiplications | Additions & Comparisons | ||
|---|---|---|---|---|---|
Detector | Symbols | Fixed | Variable | Fixed | Variable |
SIC-MMSE | 56 | 672 | 372 | 536 | 2077 |
Sphere detector | 6976 | 744 | 4414 | 583 | 19456 |
LC K-best T-LORD | 842 | 848 | 616 | 971 | 22278 |
K-best T-LORD | 2304 | 832 | 1082 | 571 | 28919 |
T-LORD Full | 9984 | 832 | 7994 | 571 | 83495 |