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Radio telecommunication network with fraud-circumventing registration

  • US 5,790,073 A
  • Filed: 03/13/1996
  • Issued: 08/04/1998
  • Est. Priority Date: 03/13/1996
  • Status: Expired due to Term
First Claim
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1. In connection with a radio telecommunication system that has a satellite node and which provides communication services to mobile units, a method of qualifying a mobile unit to utilize said communication services, said method comprising the steps of:

  • performing, by said mobile unit, a first location process to determine a first location for said mobile unit;

    said mobile unit communicating said first location to said system;

    said radio telecommunication system performing a second location process in response to communications conducted between said mobile unit and said satellite node, said second location process determining a second location for said mobile unit, said second location having a second location error region; and

    said radio telecommunication system deciding whether said first location is reliable in response to said second location error region by determining whether said first location resides within said second location error region, andwhen the first location is not reliable, the method additionally includes the steps of;

    repeating the step of said system performing the second location process until said second location is within a predetermined geolocation tolerance for said second location; and

    granting system access to said mobile unit based on said second location, and when said first location is reliable, the method additionally includes the step of granting system access to said mobile unit based on said first location.

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