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Proceedings Article

Sparse array of RF sensors for sensing through the wall

[+] Author Affiliations
Roberto Innocenti

Army Research Lab.

Proc. SPIE 6547, Radar Sensor Technology XI, 65470B (May 03, 2007); doi:10.1117/12.723423
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From Conference Volume 6547

  • Radar Sensor Technology XI
  • James L. Kurtz; Robert J. Tan
  • Orlando, Florida, USA | April 09, 2007

abstract

In support of the U.S. Army's need for intelligence on the configuration, content, and human presence inside enclosed areas (buildings), the Army Research Laboratory is currently engaged in an effort to evaluate RF sensors for the "Sensing Through The Wall" initiative (STTW).Detection and location of the presence of enemy combatants in urban settings poses significant technical and operational challenges. This paper shows the potential of hand held RF sensors, with the possible assistance of additional sources like Unattended Aerial Vehicles (UAV), Unattended Ground Sensors (UGS), etc, to fulfill this role. In this study we examine both monostatic and multistatic combination of sensors, especially in configurations that allow the capture of images from different angles, and we demonstrate their capability to provide comprehensive information on a variety of buildings. Finally, we explore the limitations of this type of sensor arrangement vis-a-vis the required precision in the knowledge of the position and timing of the RF sensors. Simulation results are provided to show the potential of this type of sensor arrangement in such a difficult environment.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Roberto Innocenti
"Sparse array of RF sensors for sensing through the wall", Proc. SPIE 6547, Radar Sensor Technology XI, 65470B (May 03, 2007); doi:10.1117/12.723423; http://dx.doi.org/10.1117/12.723423


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