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METHOD OF PROVIDING SECURITY FOR RELAY STATION

  • US 20090074189A1
  • Filed: 10/18/2006
  • Published: 03/19/2009
  • Est. Priority Date: 10/18/2005
  • Status: Active Grant
First Claim
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1. A method of providing a security of a relay station, which is provided to a mobile communication system to relay a signal transfer between a base station and a mobile station, the method comprising the steps of:

  • performing a relay station authentication from an authentication server using an authentication protocol;

    receiving a master key from the authentication server;

    deriving an authentication key from the received master key;

    deriving a message authentication code (MAC) key using the derived authentication key; and

    relaying a signal exchanged between the mobile station and the base station using the derived message authentication code key.

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