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Proceedings Paper

A miniature low-power intelligent sensor node for persistent acoustic surveillance
Author(s): Gert Cauwenberghs; Andreas Andreou; Jim West; Milutin Stanacevic; Abdullah Celik; Pedro Julian; Thiago Teixeira; Chris Diehl; Laurence Riddle
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Paper Abstract

The desire for persistent, long term surveillance and covertness places severe constraints on the power consumption of a sensor node. To achieve the desired endurance while minimizing the size of the node, it is imperative to use application-specific integrated circuits (ASICs) that deliver the required performance with maximal power efficiency while minimizing the amount of communication bandwidth needed. This paper reviews our ongoing effort to integrate several micropower devices for low-power wake-up detection, blind source separation and localization and pattern classification, and demonstrate the utility of the system in relevant surveillance applications. The capabilities of each module are presented in detail along with performance statistics measured during recent experiments.

Paper Details

Date Published: 27 May 2005
PDF: 12 pages
Proc. SPIE 5796, Unattended Ground Sensor Technologies and Applications VII, (27 May 2005); doi: 10.1117/12.606859
Show Author Affiliations
Gert Cauwenberghs, Johns Hopkins Univ. (United States)
Andreas Andreou, Johns Hopkins Univ. (United States)
Jim West, Johns Hopkins Univ. (United States)
Milutin Stanacevic, Johns Hopkins Univ. (United States)
Abdullah Celik, Johns Hopkins Univ. (United States)
Pedro Julian, Johns Hopkins Univ. (United States)
Thiago Teixeira, Johns Hopkins Univ. (United States)
Chris Diehl, Johns Hopkins Applied Physics Lab. (United States)
Laurence Riddle, Signals Systems Corp. (United States)


Published in SPIE Proceedings Vol. 5796:
Unattended Ground Sensor Technologies and Applications VII
Edward M. Carapezza, Editor(s)

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