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System and method for performing an inter-system handoff between a high rate packet data mobile network and a voice mobile network

  • US 20050188113A1
  • Filed: 02/24/2004
  • Published: 08/25/2005
  • Est. Priority Date: 02/24/2004
  • Status: Abandoned Application
First Claim
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1. A system in a mobile network for High Rate Pack Data (HRPD) communication for transmitting packet data when inter-system handoff occurs between the mobile network for HRPD communication and a mobile network for voice communication, said system comprising:

  • a hybrid mobile terminal capable of communicating with both the mobile networks; and

    a Packet Control Function (PCF) system for receiving packet data for transmission to the hybrid mobile terminal, dividing the received packet data to create Generic Routing Encapsulation (GRE) packet data, storing the GRE packet data, together with a GRE packet key, in an active queue, transmitting the GRE packet data to an access network, and storing packet data stored in the active queue in a dormant queue when receiving a link release message from the access network.

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