Methods and device for preferably selecting a communication...

H - Electricity – 04 – W

Patent

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H04W 48/18 (2009.01) H04W 4/12 (2009.01) H04W 4/14 (2009.01) H04W 8/00 (2009.01)

Patent

CA 2504497

Methods and apparatus for selecting a cellular network to provide one or more communication services for a mobile communication device are disclosed. A scanning operation (305) is performed by the mobile device to identify a plurality of cellular networks that support a voice communication service in a geographic coverage area. The mobile device then identifies which of the cellular networks makes a data communication service available to it (335, 405). Advantageously, the mobile device assigns priority to or selects a cellular network that makes the data communication service available over a network that fails to make the data communication service available, and may register with that network. The data communication service may include, as examples, an e-mail communication service or an Internet access service. Preferably, the cellular network operates in accordance with GSM (Global System for Mobile) and GPRS (Generalized Packet Radio Service). In an embodiment, a network is selected which makes the largest number of preferred services available. In another embodiment, a network is selected which has the highest sum of service specific weight values.

L'invention porte sur des procédés et des appareils de sélection d'un réseau cellulaire devant fournir un ou plusieurs services de communication de données à un dispositif mobile de communication. A cet effet le dispositif mobile effectue une opération de balayage pour identifier des réseaux cellulaires offrant un service de communications vocales à l'intérieur d'une aire géographique de couverture. Le dispositif mobile identifie ensuite celui des réseaux cellulaires lui permettant d'accéder à un services de communication de données et de préférence donne de préférence la priorité à, ou sélectionne, un réseau donnant accès à un service de communication via un réseau n'ayant pas pu rendre accessible le service de communication, et auquel il se raccorde. Le service de communication de données peut par exemple consister en un service de messageries électroniques ou en un service d'accès à Internet. Le réseau cellulaire est de préférence conforme aux stipulations du GSM (Global System for Mobile) et du GPRS (Generalized Packet Radio Service).

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