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Proceedings Paper

Multiple UAV tomography based geolocation of RF emitters
Author(s): Deborah Walter; Jon Klein; James Kaupert; Clifton Bullmaster; Vasu Chakravarthy
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Paper Abstract

Various methods for discovering the location of radio frequency (RF) emitters using unmanned aerial vehicles (UAVs) have been the focus of research over the past several years. Our work is aimed at determining the effectiveness of lowaccuracy direction finding (DF) technology to locate RF emissions using multiple UAVs. Small, commercial-off-theshelf (COTS) antenna systems can provide a rough estimate of an emitter's location within a 90 degree or 45 degree sector. Using these DF systems, a team of inexpensive UAVs can be deployed to collect low-accuracy data from multiple positions. A ground station would combine the information. In contrast to typical angle-of-arrival (AOA) methods, this unique technique does not require precise antenna arrays, complex hardware, or significant processing time to locate RF emissions. We present simulation results that show that accurate geolocation of emitters is possible with DF systems using only low accuracy (90-20 degrees) Angle of Arrival (AOA) information.

Paper Details

Date Published: 28 April 2010
PDF: 8 pages
Proc. SPIE 7707, Defense Transformation and Net-Centric Systems 2010, 77070B (28 April 2010); doi: 10.1117/12.850168
Show Author Affiliations
Deborah Walter, Rose-Hulman Institute of Technology (United States)
Jon Klein, Rose-Hulman Institute of Technology (United States)
James Kaupert, Rose-Hulman Institute of Technology (United States)
Clifton Bullmaster, Wright Patterson Air Force Base (United States)
Vasu Chakravarthy, Wright Patterson Air Force Base (United States)


Published in SPIE Proceedings Vol. 7707:
Defense Transformation and Net-Centric Systems 2010
Raja Suresh, Editor(s)

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