METHODS AND APPARATUS TO IMPLEMENT NON-ACCESS STRATUM (NAS) SECURITY IN A LONG TERM EVOLUTION WIRELESS DEVICE
摘要
<p>A WIRELESS TRANSMIT RECEIVE UNIT (WTRU) (710) IS CONFIGURED TO RECEIVE UNCIPHERED AND CIPHERED MESSAGES. THE UNCIPHERED MESSAGES INCLUDE IDENTITY REQUESTS, AUTHENTICATION REQUESTS, NON-ACCESS STRATUM (NAS) SECURITY MODE COMMANDS AND TRACKING AREA UPDATE RESPONSES. THE CIPHERED MESSAGES MAY COME FROM THE NAS AND A RADIO RESOURCE CONTROLLER (RRC) (620). THE MESSAGES ARE CIPHERED USING SECURITY KEYS. THE MOST ILLUSTRATIVE DRAWING IS</p>
