Passive and active wireless building management system and...

H - Electricity – 04 – L

Patent

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Details

H04L 12/24 (2006.01) H04W 16/20 (2009.01) H04L 12/28 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2735864

A building system includes a communication network, a plurality of wireless nodes, a plurality of passive wireless devices, and a processing circuit. The plurality of wireless nodes are disposed within a building operably and are coupled to the communication network. Each of the passive wireless devices is affixed to or within an object within the building. At least some of the objects constitute fixtures within the building. Each passive wireless device contains first information regarding at least one property of the object, and is configured to communicate wirelessly to at least one of the wireless nodes using power derived from communication signals detected in the passive wireless device. The processing circuit operably is coupled to receive the first information from the wireless devices, the processing circuit configured to update a model of at least a portion of a building based at least in part on the at least one property of the objects.

L'invention porte sur un système d'immeuble qui comprend un réseau de communication, une pluralité de nuds sans fil, une pluralité de dispositifs sans fil passifs et un circuit de traitement. La pluralité de nuds sans fil sont disposés dans un immeuble de manière fonctionnelle et sont couplés au réseau de communication. Chacun des dispositifs sans fil passifs est fixé à ou à l'intérieur d'un objet dans l'immeuble. Au moins certains des objets constituent des installations à demeure dans l'immeuble. Chaque dispositif sans fil passif contient des premières informations concernant au moins une propriété de l'objet, et est configuré pour communiquer de façon sans fil vers au moins l'un des nuds sans fil en utilisant de l'énergie issue de signaux de communication détectés dans le dispositif sans fil passif. Le circuit de traitement est fonctionnellement couplé pour recevoir les premières informations provenant des dispositifs sans fil, le circuit de traitement étant configuré pour mettre à jour un modèle d'au moins une partie d'un immeuble sur la base au moins en partie de la au moins une propriété des objets.

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