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Check and validate Reed Solomon Block Turbo Codes in shallow underwater acoustic communication

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4 Author(s)
Trubuil, J. ; TELECOM Bretagne, Brest, France ; Goalic, A. ; Beuzelin, N. ; Laot, Christophe

In collaboration with TELECOM Bretagne, GESMA (Groupe d'Etudes Sous-Marines de l'Atlantique) has recently developed a platform for data transmission via broadband underwater acoustic link. The acoustic link must be robust and have a bit rate high enough to transmit different kinds of information. The platform, called TRIDENT presents interesting prospects for applications involving transmission of data in text, image, and also speech. Recently this demonstrator has been modified to extend with existing treatments, the tools able to sample, compress the speech signal, before the modulation and the transmission step. The acoustic link uses channel coding options based on convolutional codes (CC) and block codes Reed Solomon (RS). The need was for the purpose of evaluation capacity and performance of an error correcting code belonging to the Turbo Codes family. Thus a new code correction using Reed Solomon Block Turbo Codes (RS BTC) has been incorporated into the platform. The data transmitted are interleaved and frame recovery is performed in reception. An evaluation of these contributions has been conducted in Brest bay.

Published in:

OCEANS 2010 IEEE - Sydney

Date of Conference:

24-27 May 2010