Vertical Handover Decision Algorithm Using Ants’ Colonies for 4G Heterogeneous Wireless Networks
نویسندگان
چکیده
منابع مشابه
Quality Dependent Vertical Handover Decision Algorithm for Fourth Generation (4G) Heterogeneous Wireless Networks
Future wireless networks must be able to coordinate services within a diverse-network environment. One of the challenging problems for coordination is vertical handoff, which is the decision for a mobile node to handoff between different types of networks. While traditional handoff is based on received signal strength comparisons, vertical handoff must evaluate additional factors, such as monet...
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A user in 4G network needs to have a seamless vertical handover so as to backward compatible with 3G and 2G wireless networks. In the existing methods the handover is performed based on user policies at each time and by using the neural network model. This is an issue for the handover based on the time needed to take the handover and the reduction in traffic-carrying capacity. To overcome these...
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With the advance of various wireless access technologies, the demand for a mobile user equipped with multiple air interfaces simultaneously executing diverse applications emerged. In such network environments, per-application mobility management is a key to allow each application of an end user device to dynamically and fully take advantage of the most suitable access technology. In this paper ...
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Vertical handover is essential to ensure service continuity in a heterogeneous network. Multi-criteria decision is proposed to reduce handover rate and optimizing usage of network resource compared to the conventional handover decision, which used single criteria. The algorithm is evaluated by assessing the performance in terms of number of handoff, load balance index, and network blocking prob...
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ژورنال
عنوان ژورنال: Journal of Computer Networks and Communications
سال: 2016
ISSN: 2090-7141,2090-715X
DOI: 10.1155/2016/6259802