Personnel locating system

G - Physics – 01 – S

Patent

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Details

G01S 1/68 (2006.01) G01S 5/02 (2006.01)

Patent

CA 2289752

There is described a system and method for locating, and optionally monitoring the status of, a mobile entity in a given area fitted with a radio beacon. In one embodiment the system features a network of fixed bidirectional radio beacons which transmit on the same freqency at random intervals. A method for processing and relaying unique message identifiers throughout the system is disclosed which optionally allows the vicinity of the mobile entity to be determined from any beacon in the network.

L'invention concerne un système et un procédé permettant de repérer et éventuellement de surveiller l'état d'une entité mobile dans une zone donnée à l'aide d'un radiophare. Selon un mode de réalisation, le système comprend un réseau de radiophares bidirectionnels fixes qui émettent sur la même fréquence à intervalles aléatoires. Un procédé, consistant à traiter et à relayer des identificateurs de messages uniques au travers du système, fait aussi l'objet de cette invention et permet éventuellement de déterminer la proximité de l'entité mobile à partir de n'importe quel radiophare du réseau.

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