NDLI: Real-time high data rate acoustic link based on spatio-temporal blind equalization: the TRIDENT acoustic system

Content Provider	IEEE Xplore Digital Library
Author	Trubuil, J. Lapierre, G. Le Gall, T. Labat, J.
Copyright Year	2002
Description	Author affiliation: ENST Bretagne, Brest, France (Trubuil, J.)
Abstract	There is no doubt about the growing interest for the underwater acoustic communications. Among all existing applications, the objective of the Groupe d'Etudes Sous-Marines de l'Atlantique (GESMA) is to develop a sufficiently robust high data rate acoustic link, named TRIDENT. For that purpose, different kinds of information (texts, images...) could be periodically transmitted through the acoustic channel. A realtime receiver, based on the spatio-temporal blind adaptive decision feedback equalizer, developed and patented by ENST Bretagne [J. Labet et al., 1995], was designed to cope with all perturbations induced by such harsh channels. Some sea trials have been carried out in June 2002. The first results are clearly convincing since most of the 48 sequences of 5 minutes are successfully detected by the DSP-based real-time receiver. This acoustic system allows transmission at data rates ranging from 8 to 25 kbps in horizontal configuration.
Starting Page	2438
Ending Page	2443
File Size	384784
Page Count	6
File Format	PDF
ISBN	0780375343
DOI	10.1109/OCEANS.2002.1192009
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Blind equalizers Underwater acoustics Finite impulse response filter Transversal filters Decision feedback equalizers Underwater communication Robustness Acoustic testing Underwater vehicles Nonlinear filters
Content Type	Text
Resource Type	Article

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