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In wireless heterogeneous environment, the integration of wireless access network will be accomplished by seamless handover which contains many challenges i.e. service mobility, vertical handover, common authentication, unified accounting/billing, security mechanisms, QoS and service provisioning, etc. Toward this direction, our research aims to provide a complete integration of heterogeneous network...
The evolution of the 3rd Generation Partnership Project (3GPP) network is expected to increase network performance and quality with reduced operational costs and complexity. It becomes critical to provide seamless mobility support in such heterogeneous access networks. In this article we examine the existing mechanisms and protocols and exploit the autonomic features based on the current specifications...
Today, users want to have simultaneously mobility, Quality of Service (QoS) and be always connected to Internet. Therefore, this paper proposes a QoS micro-mobility solution able to provide QoS support for global mobility. The solution comprises enhancements in the mobility management of Mobile IPv6 (MIPv6) and in the resources management of Differentiated Services (DiffServ) QoS model. The mobility...
Mobile IPv6 (MIPv6) describes how mobile node can change its point of attachment from one access router to another. The handover performance of mobile IPv6 is one of the key factors which guarantee the QoS of mobile Internet.Mobility management issues are solved by separating macro mobility(inter-domain) generally using Mobile IP and micro mobility(intra-domain). In recent years, many enhancements...
The coupling of signaling protocols for mobility management and resource reservation plays an important role to achieve Quality-of-Service (QoS) in mobile environments. In this paper, we analyze the effects of node mobility on the interaction between QoS signaling protocols and mobility management protocols, and propose an efficient QoS signaling protocol which operates adaptively in mobile IP networks...
Mobile IP (MIP) is proposed to manage mobility of devices. Mobile IP makes mobile nodes remain attached to the Internet even if they move away from the current link. However, the operation of MIP takes excessive signaling cost to register because a mobile node has to register with its home agent whenever it changes connectivity of link. Thus, we propose a hierarchical mobile IP with paging (P-HMIP)...
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