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Feature
Finders Keepers
The ultimate winners appear to be the Internet and software players. The key to success remains content and the software that delivers it.
Are We There Yet?
Finding the ideal way to use GPS technology in tourism can be as tricky as booking the perfect vacation. Useful devices for visitors being offered at popular tourist attractions come in many forms, from handhelds that trigger to specific sites to three-wheeled mini-cars with programmed tours on board.
DIRECTIONS 2007: Location-Based Services
Navigation, and navigation systems, are the most important tangible product of what we have chosen to call LBS. Valuable itself, navigation is the enabling technology of many location-based-services, or a powerful enhancement of them, making them far more useful and attractive to businesses and consumers. As navigation goes, so goes LBS.
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Gaming
GPS Adventure Game Out the Window
Looking out the window during a long car trip becomes an interactive adventure with a new GPS-based game developed by The Interactive Institute in Stockholm, Sweden.
Shrouded in Adventure
The Shroud, a role-playing game (RPG) where players use GPS-enabled cell phones to navigate in the real world, released in spring.
Got Game?
Mobile gaming applications leverage location-based technology to pull players and the real world into virtual interface.
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In-vehicle Services
Driving the Future
Emerging applications in the U.S. Department of Transportation's ambitious Vehicle Infrastructure Integration initiative include integrations of GPS with Dedicated Short Range Communications (DSRC) and other sensor technolgies to improve highway safety and efficiency.
LBS Inside — December 2005
New Vehicles Positioned for Safety; Philips, Intel Hit GPS Software Spot; Location Services Massed for Breakout
Map-Aided GPS Navigation
A novel technique tightly integrates information from accurate maps with raw GPS and gyro data from an in-vehicle GPS navigation system to determine a vehicles position. Using classic statistical theory and fuzzy logic techniques, the technique improved vehicle navigation accuracy in an urban canyon setting by more than 30 percent.
Location Services Massed for Breakout
“We were having success with this technology before, but now we have all these major players launching LBS, indicative of a momentum we’ve never seen before.”
Sky-Tech Cruisers
Solar-powered cars raced 2,500 miles as fans accessed online maps with live position and performance updates.
Melee in the Mojave
Forty driverless vehicles equipped with GPS receivers and other sensors prep for a 175-mile trek across the desert in the Defense Advanced Research Project Agency's (DARPA's) $2 million Grand Challenge.
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Indoor Positioning
Tracking First Responders
A networked radionavigation approach that augments GPS signals with time-of-arrival observations using a software-defined radio can overcome attenuation, and often complete blockage, of GPS inside buildings or in urban canyons. The SDR can operate both as a GPS receiver and also as a 900 MHz transceiver operating within the ISM band. Applications for this technology include firefighters and other first responders, and military operations in urban terrain.
Optimizing Indoor GPS Performance
GPS was never intended for indoor environments, and indeed, the relatively weak satellite signals do not readily lend themselves to use in such environments. The Federal Communications Commission's E911 mandate has spurred significant effort in the GPS community to apply its combined expertise to solve this dilemma.
Centimeter-Accuracy Indoor Navigation Using GPS-Like Pseudolites
Pseudolites enable GPS navigation in indoor environment.
Indoor GPS: The No-Chip Challenge
Location-enabling cell phones will increase demand for GPS by over one hundredfold.
Indoor GPS: The No-Chip Challenge
Location-enabling cell phones will increase demand for GPS by over one hundredfold.
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Industry News
Cingular Launches LBS with TeleNav
Cingular Wireless has launched its first generally available, location-based service with TeleNav Inc's GPS Navigator. Cingular business and government customers can get turn-by-turn voice and onscreen GPS directions, while driving or walking, on Cingular business devices.
Philips Exits PND Market Before Entry
Philips Electronics abruptly pulled the plug on plans to enter the personal navigation device (PND) market.
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Insight & Commentary
DIRECTIONS 2007: Location-Based Services
Navigation, and navigation systems, are the most important tangible product of what we have chosen to call LBS. Valuable itself, navigation is the enabling technology of many location-based-services, or a powerful enhancement of them, making them far more useful and attractive to businesses and consumers. As navigation goes, so goes LBS.
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LBS Infrastructure
GNSS Accuracy: Lies, Damn Lies, and Statistics
This update to a seminal article first published here in 1998 explains how statistical methods can create many different position accuracy measures. As the driving forces of positioning and navigation change from survey and precision guidance to location-based services, E911, and so on, some accuracy measures have fallen out of common usage, while others have blossomed. The analysis changes further when the constellation expands to ombinations of GPS, SBAS, Galileo, and GLONASS. Software scripts, provided online, help bridge the gap between theory and reality.
PowerDown
Reducing the energy-per-fix (EPF) to a minimum is key for LBS, as continuous tracking shortens cell-phone battery life. This article focuses on realizing a low-current RF front end, minimizing RF active time, and developing an intelligent GPS middleware layer to determine whether a low EPF is likely or necessary.
Wireless Choices for LBS
The choice between two standardized architectural approaches to deploying A-GPS location services control plane and user plane can influence the quality, applicability, and success of the service offering. Differing requirements for both voice-centric and application-centric applications drove the need for two different location architectures, which provide operation tailored to two different types of needs.
Myths and Realities of Anywhere GPS
AGPS does not mean works "Anywhere" GPS. Accurately determining what will work for any given application requires a properly designed test procedure.
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LBS News
Ford Uses GPS, Digital Maps for Smart Intersection
Ford Motor Co. researchers have unveiled what they call a "smart intersection" that uses GPS technology and wireless communications to reduce traffic accidents and ease congestion, according to the car maker.
Navigation, Asset Management Remain Critical LBS Apps
Social networking may get the hype, but navigation will remain the most important category of location-based services (LBS) for the next five years, according to market research firm ABI Research.
Yahoo Maps to Use TrafficCast Data
TrafficCast International Inc. has extended its five-year partnership with Yahoo to supply real-time and forecasted road speed data for the Internet portal's mapping products.
TruePosition Expands Research and Development
TruePosition Inc. said today that it is expanding its research and development efforts, including the opening of a research and development center in Westborough, Mass.
GPS Industries Alleges Patent Infringement by Competitor
GPS Industries Inc. has filed suit in federal court alleging patent infringement against ProLink Holdings Corp., ProLink Solutions, LLC, ABC National Television Sales Inc., and LinksCorp Inc., the company said today.
Intrinsyc, Navteq to Bundle Maps, Nav Software
Intrinsyc Software International Inc. has signed a multi-year agreement establishing a sales relationship with Navteq, in which Navteq map content will be bundled with Intrinsyc navigation software.
Intermap Debuts Maps, Data for Magellan Handhelds
Intermap Technologies announced today that its AccuTerra topo maps with off-road points of interest for the contiguous United States and Hawaii are now available for Magellan's Triton and eXplorist handheld GPS units.
LBS Apps Pop up for iPhone 2.0 Launch
With the second-generation Apple iPhone — replete with GPS — hitting stores around the globe today, there are a number of location-based services (LBS) apps already available.
Nokia Completes Navteq Acquisition
Finnish handset maker Nokia has completed its acquisition of Chicago-based Navteq for approximately $8.1 billion, the companies announced today.
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Latest News
Court Finds Sprint Infringed on Mobile Privacy Patents
A California federal court jury recently found that wireless carrier Sprint Nextel infringed upon two patents covering location and privacy protection and owned by California company Enovsys LLC.
MapQuest Expands to Include Entire Navteq Database
Navteq said today that mapping and routing website MapQuest has expanded its agreement with the digital map provider, giving MapQuest access to all countries in the Navteq map database, as well as future country releases.
Wayfinder Expands Coverage to Southeast Asia, Africa
Swedish navigation software provider Wayfinder has added more than 20 countries to its Wayfinder Navigator mobile navigation product, the company said today.
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Outdoor Recreation
Soaring Safe
Quick — how many life-saving decisions can you make in 18 seconds?
Up Close and Grizzly
Integrating a GPS receiver with image processing and geographic information systems (GIS) helps wildlife researchers see "the other side of the mountain."
GPS Wherever You Go
Translating GPS data into performance metrics so athletes of all stripes can evaluate their activities, improve their fitness level, and share their outdoor pursuits with others.
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Personal Navigation
Finders Keepers
The ultimate winners appear to be the Internet and software players. The key to success remains content and the software that delivers it.
Cingular Launches LBS with TeleNav
Cingular Wireless has launched its first generally available, location-based service with TeleNav Inc's GPS Navigator. Cingular business and government customers can get turn-by-turn voice and onscreen GPS directions, while driving or walking, on Cingular business devices.
To Locate a Phone or PDA
An important step for Galileo will be availability of hybrid Galileo/GPS receivers in combination with wireless communications network positioning capabilities for consumer applications. This article presents ideas regarding an integrated GNSS/UMTS receiver architecture to meet the needs of seamless indoor/outdoor navigation.
Getting into Pockets and Purses
Add one more to the list of challenges faced by consumer GPS-enabled devices: the human hand that holds them. Body loading significantly degrades receiver sensitivity. A dielectrically loaded quadrifilar helix antenna can ameliorate this condition.
Location Services Massed for Breakout
“We were having success with this technology before, but now we have all these major players launching LBS, indicative of a momentum we’ve never seen before.”
Accurate Time Assistance
A new Matrix positioning method provides precise-time aiding to terminals in un-synchronized communications networks.
100 Million Strong
Time has come today for location-based services. Wireless carriers, manufacturers of GPS-enabled devices, service providers, and application developers stand ready.
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Personal Tracking
To Locate a Phone or PDA
An important step for Galileo will be availability of hybrid Galileo/GPS receivers in combination with wireless communications network positioning capabilities for consumer applications. This article presents ideas regarding an integrated GNSS/UMTS receiver architecture to meet the needs of seamless indoor/outdoor navigation.
Getting into Pockets and Purses
Add one more to the list of challenges faced by consumer GPS-enabled devices: the human hand that holds them. Body loading significantly degrades receiver sensitivity. A dielectrically loaded quadrifilar helix antenna can ameliorate this condition.
Getting into Pockets and Purses
Add one more to the list of challenges faced by consumer GPS-enabled devices: the human hand that holds them. Body loading significantly degrades receiver sensitivity. A dielectrically loaded quadrifilar helix antenna can ameliorate this condition.
Location Services Massed for Breakout
“We were having success with this technology before, but now we have all these major players launching LBS, indicative of a momentum we’ve never seen before.”
Myths and Realities of Anywhere GPS
AGPS does not mean works "Anywhere" GPS. Accurately determining what will work for any given application requires a properly designed test procedure.
Where's Fido?
GPS and GSM help keep tabs on canine companions.
Accurate Time Assistance
A new Matrix positioning method provides precise-time aiding to terminals in un-synchronized communications networks.
100 Million Strong
Time has come today for location-based services. Wireless carriers, manufacturers of GPS-enabled devices, service providers, and application developers stand ready.
 MORE ARTICLES

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