Wednesday, June 27, 2007

User plane location architecture with mobile server for location based services

A “user plane” location system for implementing a location based service (“LBS”) such as enterprise fleet tracking includes a number of GPS-enabled wireless mobile units in communication with a wireless network. Location data is periodically transmitted from various “client” mobile units to a “server” mobile unit. The location data relates to the respective physical locations of the client mobile units, and may be determined from GPS signals received by the client mobile units. Once the server mobile unit receives the location data, the location data is processed for use in one or more LBS applications. This may include displaying the location data on a screen or other display of the server mobile unit, including displaying the location data in conjunction with map data. The use of a server mobile unit facilitates portability of the server functionality to

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