A METHOD FOR SELECTING A WIRELESS COMMUNICATIONS SERVICE PROVIDER IN A MULTI-SERVICE PROVIDER ENVIRONMENT
摘要
A communication device locates a wireless service provider in a multi-servic e provider environment using a frequency band search schedule. The frequency b and search schedule has a first or home band and a several other frequency bands in a predetermined order. The order of the frequency bands may be programmed by t he user or by a home service provider over the air. The communication device searche s for an acceptable service provider by examining the home band and then the other ba nds listed in the frequency band search schedule. The bands are examined in the order s pecified by the frequency band search schedule. An acceptable service provider is identi fied by comparing the identity of a service provider specified by an identifier rece ived from a band being examined with a list of acceptable service providers.
申请公布号
CA2188330(A1)
申请公布日期
1997.06.13
申请号
CA19962188330
申请日期
1996.10.21
申请人
AT&T WIRELESS SERVICES, INC.
发明人
BAMBURAK, MICHAEL D.;DALY, JOHN J.;LAWRENCE, CHRISTOPHER GREGORY;PRISE, MICHAEL EDWARD;RAFFEL, MICHAEL ALLEN