NDLI: Rate and Reliability Oriented Underwater Acoustic Communication Schemes

Content Provider	IEEE Xplore Digital Library
Author	Fengzhong Qu Liuqing Yang
Copyright Year	2009
Description	Author affiliation: Dept. of ECE, University of Florida, Gainesville, FL 32611, Email: lqyang@ece.ufl.edu, Tel: +1 352 392 9469, Fax: +1 352 392 0044 (Liuqing Yang) \|\| Dept. of ECE, University of Florida, Gainesville, FL 32611, Email: jimqufz@ufl.edu, Tel: +1 352 392 9469, Fax: +1 352 392 0044 (Fengzhong Qu)
Abstract	Data rate and reliability are two critical figures of merit in communication systems, especially in underwater acoustic channels with limited bandwidth and double selectivity. In this paper, we will present our recent results of four rate- or reliability-oriented underwater acoustic communication schemes. We will show that the rate-oriented basis expansion model (BEM)-based single-carrier scheme provides high transmitted data rate with satisfactory performance at the price of high receiver processing complexity and large receiver array. In practice, however, not all receivers have large number of hydrophones and can afford such complexity. Examples include small-size sensors or autonomous underwater vehicles. Hence, we also develop and test reliability-oriented systems, where resilience against the channel variation is facilitated by carefully designed transmitter processing while keeping the receivers simple. We will show the advantages of our schemes by comparing with the existing alternatives. All four schemes are tested in recent sea trials.
Starting Page	144
Ending Page	149
File Size	167141
Page Count	6
File Format	PDF
ISBN	9781424436774
DOI	10.1109/DSP.2009.4785911
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Underwater acoustics Underwater communication OFDM Spread spectrum communication Channel estimation Sonar equipment Bandwidth Intersymbol interference Decision feedback equalizers Acoustic testing DSSS Underwater Acoustic Communication Basis Expansion Model Differential OSTBC
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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