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Method and apparatus for generating an identifier to facilitate delivery of enhanced data services in a mobile computing environment

  • US 7,363,376 B2
  • Filed: 07/31/2001
  • Issued: 04/22/2008
  • Est. Priority Date: 07/31/2001
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • receiving a request to establish an end-to-end network communication session between a subscriber unit in a wireless communication system and a data network access server through a first basestation;

    determining whether the received request is a request for a new session or a request to handoff an existing session from a second basestation wherein determining comprises analyzing attribute-value pair(s) (AVP) of the received request to identify a callType AVP and identifying the received request as a request for a new session if an identified callType AVP associated with the received request denotes a new call;

    generating, if the received request is a request for a new session, a communication session identifier that follows the session and the subscriber unit as the subscriber unit moves from one basestation coverage area to another basestation coverage area;

    authenticating, if the request is a request to handoff the existing session, an existing communication session identifier received with the request; and

    wherein generating the communication session identifier further comprises;

    composing a deterministic element of the communication session identifier;

    composing a random element of the communication session identifier; and

    employing a mathematical function to generate the communication session identifier using the deterministic element and the random element.

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