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Underwater acoustic receiver employing direct-sequence spread spectrum and spatial diversity combining for shallow-water multiaccess networking

Lookup NU author(s): Professor Harris Tsimenidis, Emeritus Professor Oliver Hinton, Alan Adams, Professor Bayan Sharif

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Abstract

This paper proposes an underwater adaptive-array receiver structure that utilizes direct-sequence code division multiple access and spatial diversity combining in order to achieve reliable low-data rate multiuser communication in an asynchronous shallow-water network. The performance of the proposed receiver architecture has been verified by means of offline processing of data acquired during sea trials in the summer of 1999 in the North Sea. Results show that this computationally efficient structure is near-far resistant and provides successful multiuser operation in the shallow-water channel.

Publication metadata

Author(s): Tsimenidis CC, Hinton OR, Adams AE, Sharif BS

Publication type: Article

Publication status: Published

Journal: IEEE Journal of Oceanic Engineering

Year: 2001

Volume: 26

Issue: 4

Pages: 594-603

ISSN (print): 0364-9059

ISSN (electronic): 1558-1691

Publisher: IEEE Oceanic Engineering Society

URL: http://dx.doi.org/10.1109/48.972099

DOI: 10.1109/48.972099

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