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Secure generation of temporary mobile station identifiers

  • US 7,515,713 B2
  • Filed: 12/17/2001
  • Issued: 04/07/2009
  • Est. Priority Date: 12/17/2001
  • Status: Active Grant
First Claim
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1. A method for generating a temporary identifier in a service area of a wireless communication system, said method comprising steps of:

  • initializing an assignment table;

    maintaining a counter value;

    hashing said counter value to obtain an assignment table index;

    searching said assignment table for an available entry;

    encrypting said counter value to obtain said temporary identifier.

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