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Subscribe Back Issues AOC Home Page December 16 - December 22 |
Billy Mitchell Chapter Hosts Tech Trends LuncheonWho: Dr. David Akopian, Associate Professor, UTSA, EE Dept.
What: Luncheon talk on Assisted-GPS and Wireless Technology trends Where: Lackland AFB, Gateway Club, Gateway Room When: 15 Jan 10, 1100-1300L Why: professional development, networking with other EW professionals, Crow camaraderie Cost/RSVP: No more than $14, RSVP to Wayne Shaw by NLT COB 11 Jan. Luncheon Talk Abstract: During recent years, location technologies have emerged as a research area with many possible applications in wireless communications, surveillance, military equipment, etc. For example, US Federal Communication Commission Enhanced 911 (E911) Mandate seeks to provide emergency services personnel with location information that will enable them to dispatch assistance to wireless 911 callers much more quickly. Assisted GPS (A-GPS, aGPS) is an extension of the conventional Global Positioning System (GPS) which integrates wireless systems with GPS receivers for wider coverage and higher sensitivity in indoor and urban areas where GPS signals are very weak. A-GPS is supported by all cellular network standards as one of the most accurate technologies. Start-up sensitivity improves by as much as 25dB relative to conventional GPS and reduces start times to less than six seconds. The presentation will introduce A-GPS, associated communication protocols and software GPS receiver implementation aspects. Dr. David Akopian has been involved in GPS research for many years, first as a senior scientist at Nokia Corporation and then as a faculty member at the University of Texas at San Antonio. His research interests also include weak signal processing, positioning in WLAN networks, fast algorithms and accelerators, mobile applications, etc. He authored about 30 patents in the area. In this and other signal processing topics he authored 20 journal publications and about 100 conference papers. For many years, Dr. Akopian has chaired sessions at the main conference of US Institute of Navigation, ION GNSS, on receiver design, multipath mitigation and indoor positioning. He is the chair of the annual SPIE Multimedia on Mobile Devices Conference/Electronic Imaging. He has been an organizing committee member of several IEEE conferences. He is a senior IEEE member and member of SPIE, ION, ASEE.
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