Hyeonsu Kim, Sunhyo Kim, Kang-Hoon Choi, J. Choi, H. Bae
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Maximal Ratio Combining for Long-Range Underwater Acoustic Communication in East Sea
In October 1999 a long-range underwater acoustic communication experiment was conducted in East Sea of Korea. In this experiment, horizontal distance between a transmitter and receiving array was 559.25 km. The transmitted signals were 511-digit m sequence with a center frequency of 366 Hz and a bandwidth of 45.75 Hz, and the modulation type was binary phase shift keying. In order to compensate inter-symbol interference, maximal ratio combining and equalization are adopted sequentially. As a result, 0.01 of uncoded bit error rate is obtained at a data rate of 37.2 bit per second.
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