Table 1 Simulation results of the FC scheme and proposed ADZF scheme when 802.22 LDPC codes and 802.11n LDPC codes are used
From: Adaptive deactivation and zero-forcing scheme for low-complexity LDPC decoders
Code | FER | Scheme | Average iteration | VN complexity | CN complexity |
|---|---|---|---|---|---|
802.22 LDPC | 10−2 | FC (t=10) | 6.637 | 0.631 | 0.894 |
(N=384,R=1/2) | Â | ADZF (proposed) | 7.050 | 0.373 | 0.707 |
|  | 10−3 | FC (t=10) | 5.186 | 0.586 | 0.861 |
| Â | Â | ADZF (proposed) | 5.408 | 0.320 | 0.634 |
802.11n LDPC | 10−2 | FC (t=12) | 9.091 | 0.531 | 0.854 |
(N=1944,R=1/2) | Â | ADZF (proposed) | 9.390 | 0.225 | 0.507 |
|  | 10−3 | FC (t=12) | 7.207 | 0.508 | 0.826 |
| Â | Â | ADZF (proposed) | 7.377 | 0.202 | 0.458 |