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Efficient channel equalization for MIMO underwater acoustic communications
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2010 (English)In: 2010 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), Piscataway, NJ: IEEE Communications Society, 2010, p. 73-76Conference paper, Published paper (Refereed)
Abstract [en]

Linear minimum mean-squared error (LMMSE)-based channel equalization is widely used in multi-input multioutput (MIMO) underwater acoustic communications (UAC). The practical challenge of LMMSE based schemes is the necessity of matrix inversion which generally imposes heavy computational burden on the receiver. To obtain the LMMSE filters efficiently, we exploit the conjugate gradient method and the diagonalization properties of circulant matrices. The proposed scheme is based on fast Fourier transform operations and can be implemented in parallel, which makes it a promising candidate for real-time MIMO underwater acoustic communications. Both numerical and SPACE'08 experimental examples are presented to demonstrate the effectiveness of the proposed approach.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2010. p. 73-76
Series
Sensor Array and Multichannel Signal Processing. I E E E Works, ISSN 1551-2282
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-28101DOI: 10.1109/SAM.2010.5606766Local ID: 1c2d27e0-efd8-11df-8b36-000ea68e967bISBN: 978-1-4244-8978-7 (print)ISBN: 978-1-4244-9395-1 (electronic)OAI: oai:DiVA.org:ltu-28101DiVA, id: diva2:1001295
Conference
IEEE Sensor Array and Multichannel Signal Processing Workshop : 04/10/2010 - 07/10/2010
Note
Godkänd; 2010; 20101114 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Nordenvaad, Magnus Lundberg

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf