Table 3 Estimated SNR (dB) requirements of the ML scheme and the time-domain method at BLER = 1 %
From: A time-domain control signal detection technique for OFDM
Channel | Normalised | Detection schemes | SNR (dB) @ BLER = 1 % | |||
|---|---|---|---|---|---|---|
|  | CFO, ε |  | N c = 8 | N c = 16 | N c = 32 | N c = 64 |
AWGN | ε= 0 | ML | 2.2 | 1.9 | 1.4 | 0.3 |
|  |  | Time-domain | 3.9 | 0.5 | −2.5 | −5.1 |
|  | ε= 0.01 | ML | 2.7 | 1.8 | 1.1 | 0.1 |
|  |  | Time-domain | 3.7 | 0.3 | −2.6 | −5.1 |
|  | ε= 0.05 | ML | 2.5 | 1.9 | 1.4 | 0.4 |
|  |  | Time-domain | 4.3 | 0.4 | −2.5 | −5.2 |
EVA | ε= 0 | ML | 4.2 | 4.9 | 4.3 | 7.8 |
| Â | Â | Time-domain | 6.8 | 4.7 | 2.7 | 0.5 |
|  | ε= 0.01 | ML | 3.8 | 5.3 | 4.3 | 7.7 |
| Â | Â | Time-domain | 6.9 | 5.8 | 2.9 | 0.6 |
|  | ε= 0.05 | ML | 4.6 | 5.7 | 4.5 | 7.3 |
| Â | Â | Time-domain | 8.7 | 5.5 | 3.2 | 0.9 |