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  5. Experimental dependency of the data rate from complexity of the long-range hydro-acoustic channel

Experimental dependency of the data rate from complexity of the long-range hydro-acoustic channel

K.G. Kebkal, A.G. Kebkal
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The results of experimental investigation of hydro-acoustic data transmission in long shallow water channels are represented. The signals are characterised with monotonous frequency spread in the range between 8 and 16 kHz. Experimental values of nominal bitrates comprised 4,3 – 4,7 kbps with bit error probability of 10–4 – 10–5. The performance achieved allows to state about the possibility of reliable data exchange between underwater object and surface vessel in channels of 4 – 6 km length.
Keywords: submarine telemetry, digicom, unencable submarine connection, hydroacoustic connection