Adaptive MMSE turbo equalization with high-order modulations and spatial diversity applied to underwater acoustic communications
Konferenz: European Wireless 2011 - Sustainable Wireless Technologies
27.04.2011 - 29.04.2011 in Vienna, Austria
Tagungsband: European Wireless 2011
Seiten: 6Sprache: EnglischTyp: PDF
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Autoren:
Laot, Christophe; Bidan, Raphaël Le (Institut TELECOM, TELECOM Bretagne, LabSTICC CNRS UMR 3192, Université européenne de Bretagne, Technopole Brest-Iroise - CS 83818 - 29238 Brest Cedex 3, France)
Inhalt:
This paper presents some results on adaptive minimum mean-square error (MMSE) turbo equalization obtained from underwater experiments in the Atlantic ocean. The performance gain is evaluated as a function of the number of hydrophones at the receiver side. Single-carrier transmission with high-order modulations is considered, at a coded bit rate as high as 24 kb/s on the underwater acoustic channel. The all-digital receiver performs timing recovery, equalization, interleaving and channel decoding.