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METHOD AND APPARATUS FOR NEGOTIATING SECURITY DURING HANDOVER BETWEEN DIFFERENT RADIO ACCESS TECHNOLOGIES

  • US 20100056156A1
  • Filed: 11/12/2009
  • Published: 03/04/2010
  • Est. Priority Date: 05/15/2007
  • Status: Active Grant
First Claim
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1. A method for negotiating security during handover between different radio access technologies, comprising:

  • transmitting security information of a Non Access Stratum (NAS) and security information of an Access Stratum (AS) selected by a target system to a User Equipment (UE) when the UE hands over between the different radio access technologies, the security information of the NAS and the security information of the AS are used to performed the security negotiation with the target system by the UE.

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