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Wireless Delivery February 1, 2009
By: Chris Hill,Jose Aponte,Mark Burbidge,Terry Moore,Xiaolin Meng
Test results show improvements in the stability of the Network Real-Time Kinematic service when using fixed-IP SIM cards for long periods of observations, as well as high availability of the service with both types of SIM cards - better than 99 percent.
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Innovation: Ubiquitous Positioning June 1, 2007
By: Alan Dodson,Gethin Wyn Roberts Ph.D.,Terry Moore,Xiaolin Meng
The UbiComp concept has spawned smart coffee pots, smart printers, smart copy machines and the like, all connected via a wired or wireless network. For a UbiComp device to know its position anywhere and anytime, we need ubiquitous positioning or UbiPos. This article looks at the available...more >>
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Mapping the Underworld: Testing GPS and GSM in Urban Canyons March 1, 2007
By: Ahmad Taha,Gethin W. Roberts,Jean-Philippe Montillet,Xiaolin Meng
Beneath the streets lie thousands of kilometers of cables and pipes. Buried decades ago, their exact location remains a mystery. At the University of Nottingham, researchers tested GPS and a system that pairs GPS with Global System for Mobile Communication (GSM) algorithms. Their goal: find a...more >>
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Bridge Deflection Monitoring - Tracking Millimeters across the Firth of Forth February 1, 2006
By: Chris Brown,Gethin Wyn Roberts,Xiaolin Meng
Kinematic GPS trials with dual-frequency surveying grade code- and carrier-phase receivers measure 3D displacements of Scotland's Forth Road Bridge to millimeter precision. Researchers also found that measured frequencies of bridge movements compared well to the bridge frequencies obtained from...more >>
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 | Article
Bridge Deflection Monitoring - Tracking Millimeters across the Firth of Forth February 1, 2006
By: Chris Brown,Gethin Wyn Roberts,Xiaolin Meng
Kinematic GPS trials with dual-frequency surveying grade code- and carrier-phase receivers measure 3D displacements of Scotland's Forth Road Bridge to millimeter precision. Researchers also found that measured frequencies of bridge movements compared well to the bridge frequencies obtained from...more >>
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 | Article
Bridge Deflection Monitoring - Tracking Millimeters across the Firth of Forth February 1, 2006
By: Chris Brown,Gethin Wyn Roberts,Xiaolin Meng
Kinematic GPS trials with dual-frequency surveying grade code- and carrier-phase receivers measure 3D displacements of Scotland's Forth Road Bridge to millimeter precision. Researchers also found that measured frequencies of bridge movements compared well to the bridge frequencies obtained from...more >>
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