Research Article
Parallel Resampling of OFDM Signals for Fluctuating Doppler Shifts in Underwater Acoustic Communication
Table 2
EVM results for various Doppler shift patterns and resampling ratios.
| | Doppler shift patterns | Resampling ratio | | Case | A | B | C | | | 1 | | |
| | (1) | Δ | 0 | −Δ | 76.9 | 36.1 | 36.3 | 90.0 | 128.8 | | (2) | Δ | −Δ | 0 | 131.8 | 83.1 | 35.1 | 32.6 | 80.3 | | (3) | 0 | Δ | −Δ | 137.5 | 160.8 | 47.4 | 29.9 | 60.0 | | (4) | 0 | −Δ | Δ | 154.3 | 122.3 | 68.0 | 57.2 | 103.1 | | (5) | −Δ | Δ | 0 | 197.2 | 149.1 | 119.6 | 62.1 | 29.9 | | (6) | −Δ | 0 | Δ | 188.8 | 163.6 | 71.4 | 21.8 | 32.2 |
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