Many communication societies such as ITU and IEEE are working on 4 th generation (4G)
communication. This paper provides an overview of standardization activities focusing on …

The complexity of cellular mobile systems renders prevention-based techniques not
adequate to guard against all potential attacks. An intrusion detection system has become …

Zhang et al.(2005) proposed an authentication key agreement protocol for 3GPP-AKA
protocol. They claim that their protocol can withstand the redirection attack, the attack in …

In IP Multimedia Subsystem (IMS) of UMTS, both packet-switch domain and IMS
authentications are necessary for the IMS subscriber, so-called the two-pass authentication …

This paper analyses the authentication and key agreement (AKA) protocol for UMTS mobile
networks. In this research the current authentication protocol has been enhanced by …

Abstract In a Universal Mobile telecommunications system IP multimedia subsystem (IMS),
even when an IMS subscriber has passed the packet-switch domain authentication, the IMS …

Security concerns have attracted a great deal of attentions for both service providers and
end users in cellular mobile networks. As a second line of defense, Intrusion Detection …

Mobile communication is a milestone technology that has brought people a kind of universal
convenience otherwise unattainable. From GSM to UMTS, the mobile communication …

Abstract In UMTS (Universal Mobile Telecommunication System), a protocol called UMTS
AKA (Authentication and Key Agreement) is used to securely authenticate an MS (Mobile …

Interworking 3rd generation (3G) mobile systems and IEEE 802.11 wireless local area
networks (WLANs) introduces new challenges including the design of secured fast handover …