Underwater localization and tracking of physical systems

Authors:
Patrick Carroll;Shengli Zhou;Hao Zhou;Xiaoka Xu;Jun-Hong Cui;Peter Willett
Affiliations:
Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT;Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT;Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT;Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT;Department of Computer Science and Engineering, University of Connecticut, Storrs, CT;Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT
Venue:
Journal of Electrical and Computer Engineering - Special issue on Underwater Communications and Networking
Year:
2012

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Abstract

We investigate the problem of localizing an underwater sensor node based on message broadcasting from multiple surface nodes. With the time-of-arrivalmeasurements from a DSP-basedmulticarrier modem, each sensor node localizes itself based on the travel time differences amongmultiple senders to the receiver. Using one-waymessage passing, such a solution can scale to accommodate a large number of nodes in a network. We consider the issue from not only the physical layer, but also at the node processing layer by incorporating a tracking solution. We present simulation results, testing results in a swimming pool featuring both stationary and moving receivers, and results from a lake test with a mobile receiver.