Patent ID: 6324400
Filing Date: 2001-11-27
Classification: H04W

Abstract:
A method using an intelligent roaming mobile station for emulating a pre-intelligent scanning routine used by a pre-intelligent roaming mobile station, said intelligent roaming mobile station locating a service provider operating within an 800 MHz spectrum associated with the pre-intelligent scanning routine, and capable of locating a service provider operating within the 800 MHz spectrum and a 1900 MHz spectrum associated with an intelligent scanning routine, said method comprising:restricting the intelligent roaming mobile station to scan a plurality of service bands in the 800 MHz spectrum associated with the pre-intelligent roaming mobile station;selecting a search scheme from a plurality of search schemes used by the pre-intelligent roaming mobile station;prioritizing, in response to the selected search scheme, at least one service band of the plurality of service bands in the 800 MHz spectrum into a band scan order; andscanning for a channel in said at least one service band according to the prioritized band scan order, wherein said channel connects a service provider to the intelligent roaming mobile station according to the selected search scheme.