Sensor networks based on wireless devices

H - Electricity – 04 – W

Patent

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Details

H04W 84/18 (2009.01) H04W 16/18 (2009.01) H04W 64/00 (2009.01) G01D 7/00 (2006.01) G01K 1/02 (2006.01) G01W 1/10 (2006.01) H04B 17/00 (2006.01)

Patent

CA 2662448

Techniques for using wireless devices to implement sensor networks are described. For cognitive radio, a wireless device obtains measurements for a first system (e.g., a broadcast system) with which the wireless device is not in communication. The wireless device sends the measurements and associated location information and/or timestamps via a second system (e.g., a cellular system). A server receives measurements from a number of wireless devices and determines the coverage of the first system based on the measurements. For other applications, a wireless device obtains sensor information from at least one sensor at the wireless device and sends the sensor information and associated location information and/or timestamps via a wireless system. A server receives the sensor information and associated information from a number of wireless devices, aggregates the sensor information, and constructs a map. The wireless device may develop a user profile based on the sensor information and associated information.

L'invention concerne des techniques pour utiliser des dispositifs sans fil afin d'implémenter des réseaux de capteurs. Pour une radio cognitive, un dispositif sans fil obtient des mesures pour un premier système (par exemple un système de diffusion) avec lequel le dispositif sans fil n'est pas en communication. Le dispositif sans fil envoie les mesures et les informations d'emplacement associées et/ou estampilles temporelles via un second système (par exemple un système cellulaire). Un serveur reçoit des mesures en provenance de plusieurs dispositifs sans fil, et détermine l'ouverture du premier système sur la base des mesures. Pour d'autres applications, un dispositif sans fil obtient des informations de capteur à partir d'au moins un capteur situé au niveau du dispositif sans fil, et envoie les informations de capteur et les informations d'emplacement et/ou d'estampilles temporelles associées via un système sans fil. Un serveur reçoit les informations de capteur et les informations associées à partir de plusieurs dispositifs sans fil, rassemble les informations de capteur, et construit une carte. Le dispositif sans fil peut développer un profil d'utilisateur sur la base des informations de capteur et des informations associées.

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