Table 1 Complexity comparison—channel equalization
From: Low-complexity iterative receiver design for mobile OFDM systems
| Â | TE-BLK2 per sample per iter. | MMSE-OND2 per sample | MMSE-TE-OND2 per sample per iter. | SIC-MAP per sample per iter. |
|---|---|---|---|---|
Total × | 12L 2 + 24L + 17 | (2L + 1)(18L + 4) | (2L + 1)(20L + 7) + 2 | 2(2L + 1)2 + 1 |
Total ÷ | 2L + 7 | 2L | (2L + 1) | − |
Total Oper. | 12L 2 + 26L + 24 | 2L + (2L + 1)(18L + 4) | (2L + 1) + (2L + 1)(20L + 7) + 2 | 2(2L + 1)2 + 1 |
Normalized | 3.3 | 3.6 | 4.5 | 1 |
Complexity | Â | Â | Â | Â |
(L=1) | Â | Â | Â | Â |