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Using subnet relations for paging, authentication, association and to activate network interfaces in heterogeneous access networks

  • US 7,366,524 B2
  • Filed: 04/10/2002
  • Issued: 04/29/2008
  • Est. Priority Date: 02/06/2002
  • Status: Expired due to Fees
First Claim
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1. A method for determining a paging area for a wireless communication device, comprising the steps of:

  • maintaining a subnet relation map of subnets having mobility agent servers in a plurality of access networks based on handoff experience;

    determining a last mobility agent server that serviced said wireless communication device;

    retrieving from said subnet relation map a list of mobility agents agent servers within a predetermined number of subnet relations from said last mobility agent server to determine said paging area; and

    generating a paging message that is sent to mobility agent servers on said list of mobility agents servers, further comprising the step of determining an increased paging area if said paging area fails,wherein said increased paging area is determined by including one or more subnets within a predetermined level of a selected access network, one or more subnets within the selected access network or subnets of access networks not already included.

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