Channel Occupancy Times and Handoff Rate for Mobile Computing and PCS Networks
IEEE Transactions on Computers
One-Pass EAP-AKA Authentication in 3G-WLAN Integrated Networks
Wireless Personal Communications: An International Journal
Security in third Generation Mobile Networks
Computer Communications
One-pass GPRS and IMS authentication procedure for UMTS
IEEE Journal on Selected Areas in Communications
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Next Generation Networks NGN is the evolution of the telecommunication core. The user has to execute multi-pass Authentication and Key Agreement AKA procedures in order to get access to the IP Multimedia Subsystem IMS. This causes overhead on the AAA server and increases the delay of authenticating the user and that is because of unnecessary and repeated procedures and protocols. This paper presents an enhanced one-pass AKA procedure that eliminates the repeated steps without affecting the security level, in addition it reduces the Denial of Service DoS attacks. The presented mechanism has minimal impact on the network infrastructure and functionality and does not require any changes to the existing authentication protocols.