Abstract
In heterogeneous wireless networks, vertical handoff support provides seamless connectivity. There are multiple context parameters that influence the decision of vertical handover, hence Multiple Attribute Decision-Making (MADM) algorithms are leveraged in deciding the best network for handover. This paper proposes an MADM-based technique to select an appropriate radio access, out of available WLAN and WiMAX radio access technologies. The authors have proposed a novel HUETANS:Handoff Urgency Estimator and Target Access Network Selector module to facilitate vertical handoff. HUETANS ensures Quality of Service (QoS) by incorporating fuzzy logic controllers to handle the vagueness of wireless environment parameters. Usage of Grey Prediction technique for predicting Received Signal Strength (RSS) further restricts number of unnecessary handoffs at low level. Simulation results show that the proposed HUETANS module selects the best network.
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Litake, S., Prachi, M. (2019). Fuzzification of Context Parameters for Network Selection in Heterogeneous Wireless Environment. In: Smys, S., Bestak, R., Chen, JZ., Kotuliak, I. (eds) International Conference on Computer Networks and Communication Technologies. Lecture Notes on Data Engineering and Communications Technologies, vol 15. Springer, Singapore. https://doi.org/10.1007/978-981-10-8681-6_84
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DOI: https://doi.org/10.1007/978-981-10-8681-6_84
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