NDLI: Ultra-wideband angle-of-arrival tracking systems

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Ultra-wideband angle-of-arrival tracking systems

Content Provider	NASA Technical Reports Server (NTRS)
Author	Gross, Julia Ni, Jianjun Arndt, G. Dickey Dusl, John Ngo, Phong H. Phan, Chau T.
Copyright Year	2010
Description	Systems that measure the angles of arrival of ultra-wideband (UWB) radio signals and perform triangulation by use of those angles in order to locate the sources of those signals are undergoing development. These systems were originally intended for use in tracking UWB-transmitter-equipped astronauts and mobile robots on the surfaces of remote planets during early stages of exploration, before satellite-based navigation systems become operational. On Earth, these systems could be adapted to such uses as tracking UWB-transmitter-equipped firefighters inside buildings or in outdoor wildfire areas obscured by smoke. The same characteristics that have made UWB radio advantageous for fine resolution ranging, covert communication, and ground-penetrating radar applications in military and law-enforcement settings also contribute to its attractiveness for the present tracking applications. In particular, the waveform shape and the short duration of UWB pulses make it possible to attain the high temporal resolution (of the order of picoseconds) needed to measure angles of arrival with sufficient precision, and the low power spectral density of UWB pulses enables UWB radio communication systems to operate in proximity to other radio communication systems with little or no perceptible mutual interference.
File Size	105231
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20100042233
Archival Resource Key	ark:/13960/t1sf7rj32
Language	English
Publisher Date	2010-12-01
Access Restriction	Open
Subject Keyword	Man/system Technology And Life Support Transmitter Receivers Radio Signals Triangulation Ground Penetrating Radar Navigation Broadband Antenna Design Waveforms Telecommunication Tracking Position Radio Communication Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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