Terminal position location using multiple beams

G - Physics – 01 – S

Patent

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Details

G01S 5/02 (2006.01) G01S 5/14 (2006.01) H04Q 7/38 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2244993

Exemplary embodiments of the present invention describe terminal position location methods and systems. Relative powers of nearby spot beams which are generated by array antennas are determined. For example, powers from six neighboring spot beams relative to a center spot beam within which a mobile station is currently operating, can be measured relative to the power of the center spot beam. Using information from these measurements, the mobile stations position can be determined using, for example, an exponential model of the spot beam pattern.

Les modes de réalisation constituant les exemples de la présente invention décrivent des procédés et des systèmes de localisation de positions de terminaux. Les puissances relatives de faisceaux ponctuels proches, générés par des antennes-réseau, sont déterminées. Par exemple, les puissances provenant de six faisceaux ponctuels voisins par rapport à un faisceau ponctuel central dans lequel opère une station mobile, peuvent être mesurées par rapport à la puissance du faisceau ponctuel central. Les informations provenant de ces mesures permettent de déterminer la position de stations mobiles à l'aide, par exemple, d'un modèle exponentiel de la configuration d'un faisceau ponctuel.

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