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Unlicensed-Radio Access Networks in a Mobile Communications System

  • US 20080242298A1
  • Filed: 02/18/2004
  • Published: 10/02/2008
  • Est. Priority Date: 02/18/2004
  • Status: Active Grant
First Claim
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1. A mobile telecommunications network including a plurality of base station systems (10) adapted to communicate with a mobile terminal (1) over a predetermined licensed radio interface and switching centers (202) connected to a plurality of said base station systems (10), wherein each switching center (202) and the base station systems (10) connected thereto share a location area identity, said base station systems (10) being adapted to communicate information indicative of said location area identity to a mobile terminal (1),characterised in that said network further includes at least two unlicensed-radio access networks, each comprising an access point controller (303) connected to one of said switching centers (202), multiple access points (303) adapted to communicate with said mobile terminal (1) via an unlicensed-radio interface, a fixed broadband network (302) connecting said plurality of access points (301) with said access network controllers (303) and a lookup table mapping a location area identity with address information for an access point controller (303) on said fixed broadband network (302), wherein each said access point is adapted to receive from said mobile station information indicative of a last received location area, to receive from said lookup table address information for an access point controller (303) mapped to said location identity and to establish a connection with said addressed access point controller (303) via said fixed broadband network.

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