System and method for locating umts user equipment using...

Details System and method for locating umts user equipment using... System and method for locating umts user equipment using...

G - Physics

01

S

G01S 5/10 (2006.01) H04W 64/00 (2009.01) G01S 19/12 (2010.01)

Patent

CA 2705759

A system and method for estimating a location of a wireless device receiving signals from a plurality of nodes of a communication system. A first value may be determined based on a network timing characteristic for one of the nodes, and a second value may be determined based on a network measurement report characteristic. An observed time difference of arrival ("OTDOA") hyperbola may then be calculated based on the first and second values, and a location of the wireless device estimated as a function of the OTDOA hyperbola.

L'invention concerne un système et un procédé pour estimer un emplacement d'un dispositif sans fil recevant des signaux provenant d'une pluralité de nuds d'un système de communication. Une première valeur peut être déterminée sur la base d'une caractéristique de synchronisation de réseau pour un des nuds, et une seconde valeur peut être déterminée sur la base d'une caractéristique de rapport de mesure de réseau. Une hyperbole de différence de temps d'arrivée observée ("OTDOA ") peut alors être calculée sur la base des première et seconde valeurs, et un emplacement du dispositif sans fil pour être estimé en fonction de l'hyperbole OTDOA.

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