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LifeMap, a smartphone-based context provider operating in real time, fuses accelerometer, digital compass, Wi-Fi, and GPS to track and automatically identify points of interest with room-level accuracy.
In this paper, we present a tracking system based on wireless local area network infrastructure that is capable of simultaneously tracking numerous and diverse mobile clients (i.e., cell phones, laptops, personal digital assistants and alike) in multistory buildings within a campus facility at a near real time resolution and without client software to be installed. The tracking system is part of a...
This paper presents the implementation of a novel seamless indoor/outdoor positioning service for mobile users.The service is being made available in the Streamspin system(www.streamspin.com), an open platform for the creation and delivery of location-based services. Streamspin seeks to enable the delivery of truly ubiquitous location-based services by integrating GPS and Wi-Fi location fingerprinting...
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