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Cognitive Radio (CR) is a key technology for improving the utilization level of the overall radio spectrum in wireless communications. It is able to sense and change its transmission and reception parameters adaptively according to spectrum availability in different spectrum channels. The Cognition Cycle (CC) is a state machine that is embodied in each CR host that defines the mechanisms related to...
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.
This paper presents a work related to context-awareness developed by Multimedia-EHU research group at the University of the Basque Country. The proposed context-awareness is oriented to acquire and utilize information about the physical position of the users through their wireless mobile devices in order to provide services that support users in their activities. In particular the context awareness...
We present an integrated vehicular system for the collection, management, and provision of context-aware information on traffic and driver location. This system uses an integrated vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication paradigm enriched with an information management system. The infrastructure manages vehicle-detected safety hazards and other relevant information,...
Today, more and more hospitals manage patient records using computer support. Hospital personnel, however, are complaining increasingly about the complications involved in using healthcare applications. Dealing with complexity is a waste of valuable time that could be better dedicated to patient care. In this work, we present a proposal which seeks to adapt Near Field Communication technology (NFC)...
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