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Wireless DirectorySubmit a site! Location Based Services >
Positioning Technologies Airbiquity - Airbiquity provides reliable and cost-effective data transport solutions to the Telematics and M2M markets. Our unique patented aqLink® technology leverages existing digital cellular networks to send data over the voice channel. Already deployed in commercial call centers and 8+ million enabled mobile terminals (and counting!), aqLink® is the best choice for applications requiring highly-reliable, time-critical data transmission over the largest available coverage area.
Cell-Loc - Cell-Loc is primed for the roll-out of its Cellocate Network which will enable the offering of various wireless location content and wireless location services
Global Locate - Global Locate, Inc., provides the wireless industry with advanced locating solutions that use an innovative approach to Assisted-GPS (AGPS). Our handset-centric technologies enable users of wireless phones, pagers, PDAs, and other wireless devices to pinpoint their precise locations anywhere in the world in a matter of seconds, even in difficult environments where conventional GPS devices can't perform.
Hitachi Location Systems - Hitachi, Ltd. Central Reserch Laboratory is researching and developing a new positioning method called HLS(Hitachi Location System), which can precisely position the location of phone everywhere.
Intro To GPS Application - Several white papers and good introductions to GPS
Juggy.com - GPS News & Links
Location Technologies For E911 Compliance - Good presentation on location technologies
PowerLOC Technologies Inc. - PowerLOC provides a full range of wireless and GPS satellite based location tracking technology solutions. Our L-Biz® architecture was developed as a total turnkey solution for locating and tracking vehicles, people and assets anywhere there is wireless coverage. Our vehicle tracking system is ideal for use in all types of vehicles for anti-theft, personal safety and security as well as fleet management applications. PowerLOC sells through distribution and dealer channels and its LSPs (Location Service Providers). The solutions also cover the entire telematics and M-business markets.
SnapTrack - SnapTrack developed a breakthrough architecture that tightly integrates GPS receiving capability in a wireless handset with a cell-based wireless network. The handset processes the GPS signal in software rather than using conventional hardware correlators.
TDOA Overview - Various types of location systems have been proposed for locating cellular telephones. In location systems examined by and field tested by Associated Group, time difference of arrival (TDOA) systems have proven to yield the best performance for the signals transmitted by AMPS cellular telephones.
Xypoint - Xypoint operates the leading software and network services platform for wireless location and commerce. The company provides E911 service to over 5 million subscribers in the US, roughly 75% of live service. The site contains white papers and diagrams outlining how location services work.
valis - Valis is a developer of location enhaced community solutions:
from products as friend finer, datind, chat etc. to cellular channel and many to many platform.
Valis' products, channel and platform are commercial in europe since may 2001 in swisscom switzerland and currently installed in germany, israel and portugal
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