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IP UTRAN

  • US 20020090940A1
  • Filed: 03/06/2002
  • Published: 07/11/2002
  • Est. Priority Date: 09/21/1999
  • Status: Abandoned Application
First Claim
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1. A Terrestrial Radio Access Network for the Universal Mobile Telephone System (UTRAN) comprising at least one first Radio Network Controller and at least one Node B associated with said first Controller across an lub interface, said first Controller and said Node B operating Internet Protocol, comprising, when there is a requirement for signaling and/or data traffic to cross the lub interface, the first Radio Network Controller is arranged to set up at least one IP tunnel across the lub interface and signaling and data information are encapsulated in IP packets.

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