Research Article
The Control Packet Collision Avoidance Algorithm for the Underwater Multichannel MAC Protocols via Time-Frequency Masking
Table 2
The BER of the baseline.
| Bandwidth ratio | SNR = 30 dB | SNR = 20 dB | SNR = 10 dB | SNR = 5 dB | SNR = 0 dB |
| 0.625 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.500 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.417 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.313 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.250 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.208 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.156 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.125 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 |
| Bandwidth ratio | SNR = −5 dB | SNR = −10 dB | SNR = −15 dB | SNR = −20 dB | / |
| 0.625 | 4.43E − 04 | 5.08E − 02 | 3.62E − 01 | 7.26E − 01 | / | 0.500 | 1.00E − 06 | 7.91E − 03 | 2.16E − 01 | 6.47E − 01 | / | 0.417 | 0.00E + 00 | 7.13E − 04 | 1.19E − 01 | 5.70E − 01 | / | 0.313 | 0.00E + 00 | 0.00E + 00 | 3.42E − 02 | 4.35E − 01 | / | 0.250 | 0.00E + 00 | 0.00E + 00 | 9.65E − 03 | 3.28E − 01 | / | 0.208 | 0.00E + 00 | 0.00E + 00 | 3.40E − 03 | 2.53E − 01 | / | 0.156 | 0.00E + 00 | 0.00E + 00 | 2.92E − 04 | 1.41E − 01 | / | 0.125 | 0.00E + 00 | 0.00E + 00 | 1.90E − 05 | 7.23E − 02 | / |
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