Patent ID: 6826414
Filing Date: 2004-11-30
Classification: H04W

Abstract:
A mobile communications system,comprising:a first plurality of mobile stations; a second plurality of mobile stations different from said first plurality of mobile stations; and a cellular communications network comprising: a first network portion comprising a plurality of radio access cells, a second network portion comprising one or more radio access cells, and a single subscriber register configured to control network access for both said first and second plurality of mobile stations to said first and second network portions; wherein said first plurality of mobile stations are configured to be able to register for service with said subscriber register in both said first and said second network portions, wherein said second plurality of mobile stations are configured to be able to register for service with said subscriber register in said first network portion but are prevented from registering for service with said subscriber register in said second network portion, and wherein said first plurality of mobile stations are configured to preferentially select to register for service with said second network portion rather than said first network portion.