Abstract
It is tough to achieve higher transmit speed and lower bit error rate (BER) for underwater image communication because of the complexity of the underwater acoustic channel. By researching on compression technology, orthogonal frequency division multiplexing (OFDM) technique, channel coding and interweave technology, synchronous technology, real-time underwater image communication system is built. This system can reduce BER with the ability of resisting multi-path interference and can increase communication rate with the characteristic of parallel multi-carrier transmission. The experiments are performed in the channel pool with depth of 1 meter and the distance between transmitter and receiver is 15 meters. The experiment results show that the system carries out real-time underwater image transmission. The image is clear, the effect is good.
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