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Performance Evaluation of Hyperbolic Position Location Technique in Cellular Wireless...

Home > Mathematics Books > Hyperbolics > Item 86

	Performance Evaluation of Hyperbolic Position Location Technique in Cellular Wireless...
	Sales Rank: 6354778	$22.95 At Amazon on 12-6-2008

Spiral-bound Publisher: Storming Media 2002 Language: English ISBN-10: 1423549929 ISBN-13: 978-1423549925 *Product Description* This is a AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT report procured by the Pentagon and made available for public release. It has been reproduced in the best form available to the Pentagon. It is not spiral-bound, but rather assembled with Velobinding in a soft, white linen cover. The Storming Media report number is A805104. The abstract provided by the Pentagon follows: This study addresses the wireless geolocation problem that has been an attractive subject for the last few years after Federal Communications Commission (FCC) mandate for wireless service providers to locate emergency 911 users with a high degree of accuracy -within a radius of 125 meters, 67 percent of the time by October 2001. There are a number of different geolocation technologies that have been proposed. These include, Assisted GPS (A-GPS), network-based technologies such as Enhanced Observed Time Difference (E-OTD), Time Difference of Arrival (TDOA), Angle of Arrival (AOA), and Cell of Origin (COO). This research focuses on network based techniques, namely the more prominent TDOA which is also called hyperbolic position location technique. The main problem in time-based positioning systems is solving nonlinear hyperbolic equations derived from set of TDOA estimates. Two algorithms are implemented as a solution to this problem: A closed form solution and a Least Squares(LS) algorithm. Accuracy and computational efficiency performances are compared in a wireless system established using DGPS measurements in Dayton, OH area.
Performance Evaluation of Hyperbolic Position Location Technique in Cellular Wireless... Available from Amazon Price: $22.95 Updated on 12-6-2008

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