Title :
Underwater localization based on multicarrier waveforms
Author :
Carroll, Patrick ; Zhou, Shengli ; Zhou, Hao ; Cui, Jun-Hong ; Willett, Peter
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Connecticut, Storrs, CT, USA
Abstract :
In this paper, we investigate the problem of localizing an underwater sensor node based on message broadcasting from multiple surface nodes. With the time-of-arrival measurements from a DSP-based multicarrier modem, each sensor node localizes itself based on the travel time differences among multiple senders to the receiver. Using one-way message passing, such a solution can scalably accommodate a large number of nodes in a network. We present simulation results as well as preliminary testing results in a swimming pool and in a local lake.
Keywords :
message passing; modems; time-of-arrival estimation; underwater acoustic communication; underwater vehicles; wireless sensor networks; DSP-based multicarrier modem; message broadcasting; multicarrier waveform; multiple senders; multiple surface nodes; one way message passing; swimming pool; time-of-arrival measurement; travel time differences; underwater localization; underwater sensor node; Global Positioning System; Lakes; Least squares approximation; Modems; OFDM; Receivers; Transmitters;
Conference_Titel :
OCEANS 2010
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4244-4332-1
DOI :
10.1109/OCEANS.2010.5664347
