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Underwater Localization and Tracking of Physical Systems
Author(s) -
Patrick Carroll,
Shengli Zhou,
Hao Zhou,
Xiaoka Xu,
JunHong Cui,
Peter Willett
Publication year - 2012
Publication title -
journal of electrical and computer engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.318
H-Index - 25
eISSN - 2090-0155
pISSN - 2090-0147
DOI - 10.1155/2012/683919
Subject(s) - node (physics) , broadcasting (networking) , underwater , physical layer , tracking (education) , computer science , real time computing , layer (electronics) , network layer , sensor node , wireless sensor network , computer network , engineering , key distribution in wireless sensor networks , wireless , telecommunications , wireless network , geography , psychology , pedagogy , chemistry , structural engineering , archaeology , organic chemistry
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 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

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