Method for wireless system selection optimization

H - Electricity – 04 – W

Patent

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H04W 48/12 (2009.01) H04W 4/02 (2009.01) H04W 8/18 (2009.01)

Patent

CA 2750556

A method for improved system selection by wireless mobile devices in 3GPP networks is provided. Location data is retrieved by the wireless device to estimate an initial system on which the wireless mobile device will attempt initialization. Using the location data, an absolute radio frequency channel number (ARFCN) associated with the location data is determined from a ARFCN table stored in memory in the wireless mobile device. The wireless mobile device can then perform system selection using the determined ARFCN. A server generates and maintains the ARFCN table which is initially provided to the wireless mobile device at manufacturer, during provisioning or as an over-the-air update.

L'invention porte sur un procédé de sélection de système améliorée par des dispositifs mobiles sans fil dans des réseaux 3GPP. Des données de localisation sont récupérées par le dispositif sans fil afin d'estimer un système initial sur lequel le dispositif mobile sans fil tentera une initialisation. En utilisant les données de localisation, un numéro de canal radiofréquence absolu (ARFCN) associé aux données de localisation est déterminé à partir d'une table ARFCN stockée dans une mémoire du dispositif mobile sans fil. Le dispositif mobile sans fil peut alors effectuer une sélection de système en utilisant l'ARFCN déterminé. Un serveur génère et maintient la table ARFCN qui est initialement fournie au dispositif mobile sans fil au niveau du fabricant, durant le provisionnement ou sous la forme d'une mise à jour par radio.

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