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Underwater communication link with iterative equalization
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2006 (English)In: OCEANS 2006, IEEE Communications Society, 2006Conference paper, Published paper (Refereed)
Abstract [en]

In this paper an acoustic underwater communication link is presented. The channel has severe inter symbol interference, which is dealt with by an iterative linear equalizer and a Turbo code. Experiments has been performed in the Baltic Sea using a 4QAM signal with bandwidth 4 kHz at a center frequency of 12 kHz. The raw data rate is 8 kbit/s but after reduction for error correction coding the net bit rate is 2.88 kbit/s. With a source level of 180 dB re. 1mu/Pa @ 1m and a single hydrophone receiver, a reliable communication is shown up to a distance of 60 km. Very important for a successful decoding is the initial synchronization, which also is discussed.

Place, publisher, year, edition, pages
IEEE Communications Society, 2006.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-30896DOI: 10.1109/OCEANS.2006.307059Local ID: 4e1c8a50-f246-11df-8b36-000ea68e967bISBN: 1-4244-0114-3 (print)OAI: oai:DiVA.org:ltu-30896DiVA, id: diva2:1004125
Conference
OCEANS 2006 : 18/09/2006 - 21/09/2006
Note
Upprättat; 2006; 20101117 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Nordenvaad, Magnus Lundberg
Signal Processing

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CiteExportLink to record
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  • apa
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