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Adaptive spatial and temporal diversity combining in spread spectrum, multi-access, sub-sea acoustic communication receivers

Lookup NU author(s): Emeritus Professor Oliver Hinton, Dr Charalampos Tsimenidis, Professor Bayan Sharif

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Abstract

In this paper we propose a spread spectrum-based adaptive array receiver structure for reliable low data-rate multi-access communication in the shallow-water acoustic channel. The performance of the proposed receiver algorithms is evaluated by employing offline processing of received data from experiments in the North Sea. Results indicate that multi-access error-free reception is attainable in network scenarios where transmission is multipath impaired, and in which user data is overlapping and unsynchronized. In addition, the receiver architecture is also employed in a RAKE structure to achieve adaptive temporal combining, and it is shown that spatial or temporal combining can be used interchangeably to achieve improved signal to interference noise ratio. (8 References).


Publication metadata

Author(s): Tsimenidis CC; Hinton OR; Sharif BS

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 14th International Conference on Digital Signal Processing (DSP)

Year of Conference: 2002

Pages: 433-436

Publisher: IEEE

URL: http://dx.doi.org/10.1109/ICDSP.2002.1027912

DOI: 10.1109/ICDSP.2002.1027912

Library holdings: Search Newcastle University Library for this item

ISBN: 0780375033


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