Provisioning of gps assistance data in a wcdma network

Details Provisioning of gps assistance data in a wcdma network Provisioning of gps assistance data in a wcdma network

G - Physics

01

S

G01S 5/00 (2006.01) G01S 5/14 (2006.01)

Patent

CA 2353539

A method of provisioning differential GPS (DGPS) assistance data (58, 59) over a WCDMA wireless communication network (10) to facilitate positioning of mobile communication devices (12, 20). The method comprises providing differential GPS assistance data over a dedicated physical data channel (DPDCH) and/or a dedicated physical control channel (DPCCH). The mobile communication terminal has an integrated GPS receiver and can comprise of cellular or PCS telephony handsets, a mobile computer, PDAs, etc. The present invention facilitates a mechanism for providing the DGPS assistance data to achieve positioning of the mobile communication device accuracy down to about 5 meters.

Procédé de fourniture de données d'assistance (58, 59) de GPS différentiel (GPSD) par un réseau de communication sans fil (10) AMDC à large bande afin de faciliter le positionnement de dispositifs de communication mobiles (12, 20). Le procédé consiste à fournir des données d'assistance GPS différentiel par un canal spécialisé de données physiques (DPDCH) et/ou un canal spécialisé de commande physique (DPCCH). Le terminal de communication mobile comprend un récepteur GPS intégré et peut comprendre des combinés de téléphonie cellulaire ou SCP, un ordinateur mobile, des assistants personnels PDA, etc. La présente invention permet d'obtenir un mécanisme de fourniture de données d'assistance GPSD afin d'amener la précision de la position du dispositif de communication mobile à environ 5 mètres.

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