Reseaux d'acces a une radio non autorisee dans des reseaux de communication cellulaire mobiles

Unlicensed-radio access networks in mobile cellular communication networks

Abstract

An unlicensed-radio access network is connected to a core network portion of a licensed cellular mobile network and includes a broadband network (302) with a plurality of access points (301) each defining a mini-cell and adapted to communicate with mobile stations located within a mini-cell over an unlicensed-radio interface. An access controller (303) is connected to the core network portion and to the broadband network. In accordance with the invention, the access controller (303) is associated with its own location area or areas in the licensed radio mobile network and comprises a database for storing the identification of mobile stations in association with at least one specific access point or broadband network address. This arrangement permits a mobile station to be locating within the access network in response to a paging signal from the core network without undue signalling load.
Selon l'invention, un réseau d'accès à une radio non autorisée est raccordé à une partie de réseau central d'un réseau mobile cellulaire autorisé, et comprend un réseau de bande large (302) présentant une pluralité de points d'accès (301) délimitant chacun une mini-cellule et adapté pour communiquer avec des stations mobiles situées à l'intérieur d'une mini-cellule au-dessus d'une interface de radio non autorisée. Un contrôleur d'accès (303) est raccordé à la partie de réseau central et au réseau de bande large. Selon l'invention, le contrôleur d'accès (303) est associé à sa (ses) propre(s) zone(s) de localisation dans le réseau mobile cellulaire autorisé, et comprend une base de données pour stocker l'identification des stations mobiles en association avec au moins un point d'accès spécifique ou une adresse de réseau de bande large. Cet arrangement permet à une station mobile de se loger dans un réseau d'accès en réponse à un signal de téléappel émanant du réseau central, sans charge de signalisation excessive.

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