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In NGCN, mobile users can move between heterogeneous networks. In this kind of environment, handoff management is the essential issue that supports the handoff of users between various wireless technologies. Handoff decision, one of the handoff management issues consists of finding the appropriate time to perform the handoff and which cell to hand over in cellular networks. Traditionally, the need...
Wireless local area network access points are being used extensively by mobile users. Therefore an intelligent mechanism is needed to allow mobile devices to switch between access points when a particular access point is heavily congested with network traffic. This is to allow users to perceive a better quality of service. This paper describes the qualitative study of using an intelligent access point...
This paper presents a novel MPLS-based micro-mobility scheme by integrating MPLS and hierarchical mobile IPv6 (HMIPv6). It exploits the scalable QoS support capability of DiffServ-aware MPLS traffic engineering. Aggregated traffic of mobile users is forwarded through traffic engineered LSPs established along links with available resources. Moreover, traffic flows of different priority receive differentiated...
In next generation wireless networks, mobile users will roam across different wireless access networks. Mobile IP is employed as the mobility management protocol in the all-IP wireless environment. But mobile IP has scalability problem when dealing with micro-mobility and cannot provision QoS for multimedia applications of mobile users. In this paper, we propose dynamic hierarchical mobile MPLS (DHMM)...
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