Location of a mobile station

G - Physics – 01 – S

Patent

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Details

G01S 3/02 (2006.01) G01S 3/14 (2006.01) G01S 5/00 (2006.01) G01S 5/06 (2006.01) G01S 1/02 (2006.01) G01S 5/02 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2265875

A location system is disclosed for commercial wireless telecommunication infrastructures. The system is an end-to-end solution having one or more location centers for outputting requested locations of commercially available handsets or mobile stations (MS) based on, e.g., CDMA, AMPS, NAMPS or TDMA communication standards, for processing both local MS location requests and more global MS location requests via, e.g., Internet communication between a distributed network of location centers. The system uses a plurality of MS locating technologies including those based on: (I) two-way TOA and TDOA; (2) pattern recognition; (3) distributed antenna provisioning; and (4) supplemental information from various types of very low cost non- infrastructure base stations for communicating via a typical commercial wireless base station infrastructure or a public telephone switch network.

L'invention concerne un système de localisation destiné pour infrastructures de télécommunications commerciales sans fil. Le système est une solution de bout en bout présentant un ou plusieurs centres de localisation destinée à produire en sortie des localisations demandées de combinés ou de stations mobiles (SM) disponibles dans le commerce, basée sur des normes de communications, par exemple, AMDC, AMPS (service téléphonique mobile évolué), NAMPS (service mobile perfectionné à bandes étroites) ou AMRT, afin de traiter des demandes de localisations de stations mobiles à la fois locales et mondiales via, par exemple, des communications Internet dans un réseau réparti de centres de localisation. Le système utilise une pluralité de technologies de localisation de stations de base notamment des techniques basées sur: (1) le TOA (temps d'arrivée) et le TDOA (différence de temps d'arrivée) bidirectionnels; (2) la reconnaissance des formes; (3) des antennes réparties; et (4) des informations supplémentaires provenant de divers types de stations de base hors infrastructure de très faible coût pour les communications via une infrastructure de stations de base sans fil commerciales typiques ou un réseau de commutation téléphonique public.

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