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GRAN access port addressing method and apparatus

  • US 6,151,495 A
  • Filed: 10/08/1998
  • Issued: 11/21/2000
  • Est. Priority Date: 10/10/1997
  • Status: Expired due to Fees
First Claim
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1. In a Generic Radio Access Network (GRAN) serving as a possible information bearer to a plurality of core networks, wherein each of said core networks has at least one subscriber having a mobile terminal and wherein at least one type of subscriber mobile terminal consists of one GRAN specific part that logically belongs to the GRAN and one core network specific part that logically belongs to the core network, a method for redirecting a core network access request transmitted by a core network subscriber terminal from a first access port to a second access port wherein at least the second access port is connected to said subscriber'"'"'s core network, comprising the steps of:

  • receiving, at a first interworking unit (IWU) connected to said first access port, a request for access to said subscriber'"'"'s core network from said subscriber terminal wherein said request is included and transferred, uninterpreted by the GRAN as part of an initial message;

    transmitting, from said first IWU to a first radio network controller (RNC), the address to the second access port;

    redirecting, from said first RNC, said request for access to said subscriber'"'"'s core network to the second access port according to the address received from the first IWU.

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