Yang Zhao, Xingkang Zhao, Jinxin Huang, Zhiquan Zhou
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Simulation of direct water-air communication by using an acousto-optic method
This paper studies the simulation and algorism of acousto-optic method used in the wireless communication between water and air. Binary frequency shift keying (2FSK) is selected as the way of modulate underwater acoustic signals. Then, laser interferometry was introduced to detect the signal of underwater acoustic communication. Further, transmission information was demodulated by the differential-and-cross-multiplying (DCM) algorism. Information transmission rate of 2FSK was analyzed through the numerical simulation. The results shows that the maximum of information transmission rate is 67 bit/s at error free.
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