Patent ID: 8036654
Filing Date: 2011-10-11
Classification: H04W

Abstract:
1. A method in a mobile communication for use in selecting a public land mobile network (PLMN) for communications, the mobile communication device being configured to provide voice communications with use of a voice service and data communications with use of a data service, the method comprising: maintaining storage of a preferred PLMN list which identifies a plurality of PLMNs with assigned priorities for PLMN selection; maintaining storage of a service access list which identifies a plurality of PLMNs that make the data service available to the mobile communication device; operating in a current PLMN; when a lack of coverage with the current PLMN is identified: when an attempt to register for the data service with a PLMN is successful, then adding the PLMN to the service access list if not already listed therein; and when an attempt to register for the data service with a PLMN fails, then excluding or removing the PLMN from the service access list.