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Network Selection in Heterogeneous Wireless Networks based on Fuzzy Multiple Criteria Decision Making
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 22 - Number 1 |
| Year of Publication: 2011 |
| Authors: K. Radhika, Dr. A. Venugopal Reddy |
10.5120/2550-3495
|
K. Radhika, Dr. A. Venugopal Reddy . Network Selection in Heterogeneous Wireless Networks based on Fuzzy Multiple Criteria Decision Making. International Journal of Computer Applications. 22, 1 ( May 2011), 7-10. DOI=10.5120/2550-3495
Abstract
Next generation wireless networks are expected to exhibit heterogeneity in terms of wireless access technologies, services and application requirements. These heterogeneous wireless access networks consist of the integration of various wireless networks especially Wi-Fi (WLAN), Wi-Max and 3G/B3G cellular networks. One of the challenging problems is to choose the optimal network depending upon the type of the demanding application. Vertical handoff occurs when a mobile terminal decides to switch to the selected network from the current network. This paper mainly deals with a network selection algorithm based on Fuzzy Multiple Attribute Decision Making. The algorithm considers the factors of Received Signal Strength(RSS), Monetary cost(C), Band Width (BW), Velocity (V) and user preference (P). It finds the Network selection function (NSF) that measures the efficiency in utilizing radio resources by handing off to a particular network. The network that provides highest NSF is selected as the best network to hand off from the current access network.
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