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Method and apparatus for selecting a service provider

  • US 6,148,198 A
  • Filed: 08/05/1998
  • Issued: 11/14/2000
  • Est. Priority Date: 08/05/1998
  • Status: Expired due to Term
First Claim
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1. An intelligent roaming method for enabling a mobile station to select a best service provider from a plurality of service providers, said mobile station having a database for storing a plurality of identifier codes corresponding with the plurality of service providers, said intelligent roaming method comprising the steps of:

  • locating a first channel and a second channel transmitted by a first service provider and a second service provider respectively based upon signal strength measurements, each channel containing one of the stored identifier codes;

    evaluating channel information associated with the first channel and channel information associated with the second channel to select a channel for supporting a call;

    determining a status of an overlap flag associated with the stored identifier codes of the first channel and the second channel, the overlap flag indicating whether the mobile station is located on an edge of a coverage area of one of the service providers; and

    selecting a service provider based upon the status of the overlap flags and the selected channel.

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