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Mobile users (MUs) want to be provided with undisrupted network services when they navigate on the Next-Generation wireless networks (NGWNs). For that, interlocking with a heterogeneous network is important, but there have been few studies on the method for guaranteeing global mobility. Thus, this paper proposes the Proxy-LMA technique, the mobile IP-based global inter-networking system, to enhance...
Cost-effective mobility management for roaming mobile users is very important in providing seamless service on next-generation wireless networks (NGWNs). Various IPv6-based mobility management schemes have been developed which are directly involved with data transfer from Mobile Node (MN). In this paper, two methods for analyzing mobility management schemes are proposed and the signaling transfer...
In next-generation mobile networks (NGWNs), seamless service for users and handoffs between heterogeneous networks must be taken into account. In this paper, we propose a seamless proxy-based handoff scheme using the PMIPv6-based proxy model, which is able to improve the performance of handoffs in sensor-based mobile networks. Our scheme can efficiently support IP-based seamless mobility by reducing...
In PMIPv6-based network, mobile nodes can be made smaller and lighter because the network nodes perform the mobility management-related functions on behalf of the mobile nodes. One of the protocols, Fast Handovers for Proxy Mobile IPv6 (FPMIPv6) [1] was studied by the Internet Engineering Task Force (IETF). Since FPMIPv6 adopts the entities and the concepts of Fast Handovers for Mobile IPv6 (FMIPv6)...
In next-generation wireless networks, provisioning of IP-based network architecture and seamless transmission services are very important issues for mobile nodes. For this reason, a mobility management mechanism to support global roaming is highly regarded. These technologies bring a broader life by using a global roaming account through the connection of multiple devices or technology to mobile users;...
Mn-Ce-O/TiO 2 and Cu-Ce-O/TiO 2 phases were loaded onto the cordierite honeycomb ceramics using sol-gel method. A series of monolith catalysts with multilayer washcoat was prepared with different mass ratios of these two phases. The catalysts exhibit high activity at low temperatures and a wide temperature window for the selective catalytic reduction of NO with ammonia (NH 3 ...
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