Research Article

Combined Hybrid DFE and CCK Remodulator for Medium-Range Single-Carrier Underwater Acoustic Communications

Table 4

The SNR at the output of equalizer for different detection schemes.

Transducer#FD-MMSE followed by CCK demodulatorHybrid DFE followed by CCK demodulatorHybrid DFE combined with CCK remodulatorHybrid DFE with perfect feedback

R11.12 dB1.61 dB1.96 dB2.01 dB
R21.43 dB4.03 dB5.30 dB5.30 dB
R31.38 dB3.87 dB4.71 dB4.75 dB
R41.28 dB2.33 dB2.63 dB2.68 dB
R51.86 dB6.68 dB7.84 dB7.84 dB