Table 4 Average numbers of real additions and logical comparisons in decoding the (80, 40) code used in WiMAX
From: A low-complexity maximum likelihood decoder for tail-biting trellis
| Â | Â | Â | Â | Â | SNR | Â | Â | Â | Â |
|---|---|---|---|---|---|---|---|---|---|
Decoding complexity | 0.0 dB | 1.0 dB | 2.0 dB | 3.0 dB | 4.0 dB | 5.0 dB | 6.0 dB | 7.0 dB | |
| Â | Additions | 10,307 | 10,083 | 9,989 | 9,583 | 9,288 | 9,222 | 9,013 | 8,999 |
BEAST | Comparisons | 20,613 | 20,167 | 19,978 | 19,165 | 18,576 | 18,443 | 18,026 | 17,998 |
| Â | Additions | 5,248 | 4,395 | 3,793 | 3,411 | 3,218 | 3,048 | 2,996 | 2,930 |
Advanced BEAST | Comparisons | 10,497 | 8,790 | 7,585 | 6,821 | 6,436 | 6,096 | 5,993 | 5,860 |