As a major component of thefifth-generation(5G)wireless networks,network densification greatly increases the network capacity by adding more cell sites into the network.However,the densified network increases the hand...As a major component of thefifth-generation(5G)wireless networks,network densification greatly increases the network capacity by adding more cell sites into the network.However,the densified network increases the handover frequency of fast-moving mobile users,like vehicles.Thus,seamless handover with security provision is highly desirable in 5G networks.The third generation partnership project(3GPP)has been working on standardization of the handover procedure in 5G networks to meet the stringent efficiency and security requirement.However,the existing handover authentication process in 5G networks has securityflaws,i.e.vulnerable to replay and de-synchronization attacks,and cannot provide perfect forward secrecy.In this paper,we propose a secure and efficient handover authentication and key management protocol utilizing the Chinese remainder theory.The proposed scheme preserves the majority part of the original 5G system architecture defined by 3GPP,thus can be easily implemented in practice.Formal security analysis based on BAN-logic shows that the proposed scheme achieves secure mutual authentication and can remedy some security flaws in original 5G handover process.Performance analysis shows that the proposed protocol has lower communication overhead and computation overhead compared with other handover authentication schemes.展开更多
This paper describes the current situation concerning security in an IP mobile world.It focuses on the problem of inter-domain WLAN roaming. Interoperability and adaptability issues are introduced when a mobile node r...This paper describes the current situation concerning security in an IP mobile world.It focuses on the problem of inter-domain WLAN roaming. Interoperability and adaptability issues are introduced when a mobile node roams across networks with different settings.The possibility of implementing different authentication schemes for handover operations in terms of quality of service (QoS) and security requirements is analyzed.Factors affecting handover latency and packet loss are presented.There are numerous fast handover solutions for intra-domain roaming.The possibility of their implementation for global roaming is studied.展开更多
The Vertical Handover(VHO)is one of the most vital features provided for the heterogeneous mobile networks.It allows Mobile Users(MUs)to keep ongoing sessions without disruption while they continuously move between di...The Vertical Handover(VHO)is one of the most vital features provided for the heterogeneous mobile networks.It allows Mobile Users(MUs)to keep ongoing sessions without disruption while they continuously move between different Radio Access Technologies(RATs)such as Wireless Fidelity(Wi-Fi),Global System for Mobile Communication(GSM),Universal Mobile Telecommunications System(UMTS),Long Term Evolution(LTE)and Fifth Generation(5G).In order to fulfill this goal,the VHO must comply to three main phases:starting of collecting the required information and then passing it for decision phase to obtain the best available RAT for performing VHO by execution phase eventually.However,the execution phase still encounters some security issues which are exploited by hackers in launching malicious attacks such as ransomware,fragmentation,header manipulation,smurf,host initialization,reconnaissance,eavesdropping,Denial of Service(DoS),spoofing,Man in the Middle(MITM)and falsification.This paper thoroughly studies the recent security issues for hundreds VHO approaches found in the literature and comes up with a secure procedure to enhance VHO security during execution phase.A numerical analysis results of the proposed procedure are effectively evaluated in terms of security and signaling cost.Compared with the recent related work found in literature,the analysis demonstrates that the security is successfully improved by 20%whereas signaling cost is maintained as in non-proposed procedure.展开更多
文摘As a major component of thefifth-generation(5G)wireless networks,network densification greatly increases the network capacity by adding more cell sites into the network.However,the densified network increases the handover frequency of fast-moving mobile users,like vehicles.Thus,seamless handover with security provision is highly desirable in 5G networks.The third generation partnership project(3GPP)has been working on standardization of the handover procedure in 5G networks to meet the stringent efficiency and security requirement.However,the existing handover authentication process in 5G networks has securityflaws,i.e.vulnerable to replay and de-synchronization attacks,and cannot provide perfect forward secrecy.In this paper,we propose a secure and efficient handover authentication and key management protocol utilizing the Chinese remainder theory.The proposed scheme preserves the majority part of the original 5G system architecture defined by 3GPP,thus can be easily implemented in practice.Formal security analysis based on BAN-logic shows that the proposed scheme achieves secure mutual authentication and can remedy some security flaws in original 5G handover process.Performance analysis shows that the proposed protocol has lower communication overhead and computation overhead compared with other handover authentication schemes.
文摘This paper describes the current situation concerning security in an IP mobile world.It focuses on the problem of inter-domain WLAN roaming. Interoperability and adaptability issues are introduced when a mobile node roams across networks with different settings.The possibility of implementing different authentication schemes for handover operations in terms of quality of service (QoS) and security requirements is analyzed.Factors affecting handover latency and packet loss are presented.There are numerous fast handover solutions for intra-domain roaming.The possibility of their implementation for global roaming is studied.
文摘The Vertical Handover(VHO)is one of the most vital features provided for the heterogeneous mobile networks.It allows Mobile Users(MUs)to keep ongoing sessions without disruption while they continuously move between different Radio Access Technologies(RATs)such as Wireless Fidelity(Wi-Fi),Global System for Mobile Communication(GSM),Universal Mobile Telecommunications System(UMTS),Long Term Evolution(LTE)and Fifth Generation(5G).In order to fulfill this goal,the VHO must comply to three main phases:starting of collecting the required information and then passing it for decision phase to obtain the best available RAT for performing VHO by execution phase eventually.However,the execution phase still encounters some security issues which are exploited by hackers in launching malicious attacks such as ransomware,fragmentation,header manipulation,smurf,host initialization,reconnaissance,eavesdropping,Denial of Service(DoS),spoofing,Man in the Middle(MITM)and falsification.This paper thoroughly studies the recent security issues for hundreds VHO approaches found in the literature and comes up with a secure procedure to enhance VHO security during execution phase.A numerical analysis results of the proposed procedure are effectively evaluated in terms of security and signaling cost.Compared with the recent related work found in literature,the analysis demonstrates that the security is successfully improved by 20%whereas signaling cost is maintained as in non-proposed procedure.
