Linear turbo equalization with precoding for underwater acoustic communications

Erica L. Daly; Andrew C. Singer; Jun Won Choi; James C. Preisig

doi:10.1109/ACSSC.2010.5757746

Linear turbo equalization with precoding for underwater acoustic communications

Erica L. Daly, Andrew C. Singer, Jun Won Choi, James C. Preisig

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Long range underwater acoustic communications are challenging since this channel is severely band limited, time varying, and has a long delay spread. A linear turbo equalizer is a good candidate for communicating over this channel, because it achieves a high level of spectral efficiency with a realizable complexity. As the channel is FIR, the convergence of the turbo equalizer is improved by recursive precoding of the signal before transmission. In this paper, we present a scheme for receiving a precoded transmission using a linear equalizer. Also, experimental results demonstrating high data rates achieved via precoding for long range underwater acoustic communications are presented.

Original language	English (US)
Title of host publication	Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010
Pages	1319-1323
Number of pages	5
DOIs	https://doi.org/10.1109/ACSSC.2010.5757746
State	Published - 2010
Event	44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010 - Pacific Grove, CA, United States Duration: Nov 7 2010 → Nov 10 2010

Publication series

Name	Conference Record - Asilomar Conference on Signals, Systems and Computers
ISSN (Print)	1058-6393

Other

Other	44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010
Country/Territory	United States
City	Pacific Grove, CA
Period	11/7/10 → 11/10/10

ASJC Scopus subject areas

Signal Processing
Computer Networks and Communications

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10.1109/ACSSC.2010.5757746

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Daly, E. L., Singer, A. C., Choi, J. W., & Preisig, J. C. (2010). Linear turbo equalization with precoding for underwater acoustic communications. In Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010 (pp. 1319-1323). [5757746] (Conference Record - Asilomar Conference on Signals, Systems and Computers). https://doi.org/10.1109/ACSSC.2010.5757746

Linear turbo equalization with precoding for underwater acoustic communications. / Daly, Erica L.; Singer, Andrew C.; Choi, Jun Won et al.
Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010. 2010. p. 1319-1323 5757746 (Conference Record - Asilomar Conference on Signals, Systems and Computers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Daly, EL, Singer, AC, Choi, JW & Preisig, JC 2010, Linear turbo equalization with precoding for underwater acoustic communications. in Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010., 5757746, Conference Record - Asilomar Conference on Signals, Systems and Computers, pp. 1319-1323, 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010, Pacific Grove, CA, United States, 11/7/10. https://doi.org/10.1109/ACSSC.2010.5757746

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AB - Long range underwater acoustic communications are challenging since this channel is severely band limited, time varying, and has a long delay spread. A linear turbo equalizer is a good candidate for communicating over this channel, because it achieves a high level of spectral efficiency with a realizable complexity. As the channel is FIR, the convergence of the turbo equalizer is improved by recursive precoding of the signal before transmission. In this paper, we present a scheme for receiving a precoded transmission using a linear equalizer. Also, experimental results demonstrating high data rates achieved via precoding for long range underwater acoustic communications are presented.

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Linear turbo equalization with precoding for underwater acoustic communications

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