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UDC 621.396

QUANTITATIVE AND QUALITATIVE DISTINCTIONS OF RADIO AND HYDROACOUSTIC COMMUNICATION CHANNELS CHARACTERISTICS

B. I. Filippov, Ph. D., associate Professor, Novosibirsk state technical University; This email address is being protected from spambots. You need JavaScript enabled to view it.

Due to the strong attenuation of electromagnetic (e/m) waves in salt water, we use acoustic waves because they spread in water on bigger distance. The article discusses the features of radio and hydroacoustic channels. The aim is to evaluate the basic qualitative and quantitative characteristics of hydroacoustic communication channels and how they differ from the basic characteristics of radio channels, and to experimentally evaluate the performance of these channels for practical use in extended channels in the regions of the Black Sea shelf. According to the results of simulation and experiments, the basic indicators of hydroacoustic channels throughput in implementation of digital communication at the distances of 4,5 – 5,5 km in the conditions prevailing in submerged areas of the Black Sea shelf (40 – 60 m) are recognized. In particular, in these ranges hydroacoustic channel throughput is shown to be about 3 – 4 kBit/s.

Key words: radio and hydroacoustic channels; throughput; radio and hydroacoustic channel range; Doppler’s effect

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