METHOD OF PROVIDING SECURITY FOR RELAY STATION
First Claim
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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Accused Products
Abstract
A method of providing security of a relay station is disclosed, by which the security can he provided for the relay station in a broadband wireless access system having the relay station. In a mobile communication system to relay a signal transfer between a base station and a mobile station, the present invention includes 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.
59 Citations
12 Claims
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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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. 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:
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receiving a master key from an authentication server; deriving an authentication key from the received master key; generating a list of the mobile station relayed by the relay station; transmitting the mobile station list to the relay station; and exchanging uplink and downlink signals with the relay station using the authentication key. - View Dependent Claims (12)
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Specification