Adaptive stochastic radio access selection scheme for cellular-WLAN heterogeneous communication systems

Navaratnarajah, S., Han, C., Dianati, M. and Imran, M. A. (2016) Adaptive stochastic radio access selection scheme for cellular-WLAN heterogeneous communication systems. IET Communications, 10(15), pp. 1986-1994. (doi:10.1049/iet-com.2015.1084)

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Abstract

This study proposes a novel adaptive stochastic radio access selection scheme for mobile users in heterogeneous cellular-wireless local area network (WLAN) systems. In this scheme, a mobile user located in dual coverage area randomly selects WLAN with probability of ω when there is a need for downloading a chunk of data. The value of ω is optimised according to the status of both networks in terms of network load and signal quality of both cellular and WLAN networks. An analytical model based on continuous time Markov chain is proposed to optimise the value of ω and compute the performance of proposed scheme in terms of energy efficiency, throughput, and call blocking probability. Both analytical and simulation results demonstrate the superiority of the proposed scheme compared with the mainstream network selection schemes: namely, WLAN-first and load balancing.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Imran, Professor Muhammad
Authors: Navaratnarajah, S., Han, C., Dianati, M., and Imran, M. A.
College/School:College of Science and Engineering > School of Engineering
Journal Name:IET Communications
Publisher:Institution of Engineering and Technology
ISSN:1751-8628
ISSN (Online):1751-8636
Published Online:06 October 2016
Copyright Holders:Copyright © 2016 The Institution of Engineering and Technology
First Published:First published in IET Communications 10(15): 1986-1994
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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