发明名称 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
分类号 H04B7/26;H04W4/00;H04W24/00;H04W48/16;H04W48/18;H04W72/12;H04W88/06;(IPC1-7):H04Q7/38;H04Q7/36 主分类号 H04B7/26
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