Design & performance of a networked ad-hoc acoustic communications system using inexpensive commercial CDMA modems

Bengston, Keith & Dunbabin, Matthew (2007) Design & performance of a networked ad-hoc acoustic communications system using inexpensive commercial CDMA modems. In OCEANS 2007 - Europe, IEEE, Aberdeen, Scotland, pp. 1-6.

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We present a new approach for creating and implementing an ad-hoc underwater acoustic sensor network based on connecting a small processor to the serial port of a commercial CDMA acoustic modem. The processor acts as a "node controller" providing the networking layer that the modems lack. The ad-hoc networking protocol is based on a modified dynamic source routing (DSR) approach and can be configured for maximising information throughput or minimising energy expenditure. The system was developed in simulation and then evaluated during field trials using a 10 node deployment. Experimental results show reliable multi-hop networking under a variety of network configurations, with the added ability to determine internode ranges to within 1.5 m for localisation.

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ID Code: 81680
Item Type: Conference Paper
Refereed: Yes
Keywords: underwater acoustic communication, wireless sensor network, acoustic modem, ad-hoc network, code division multiple access
DOI: 10.1109/OCEANSE.2007.4302283
ISBN: 9781424406357
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2007 IEEE
Deposited On: 08 Feb 2015 23:55
Last Modified: 13 Feb 2015 02:57

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