Energy efficiency in heterogeneous wireless access networks

Navaratnarajah, S., Saeed, A., Dianati, M. and Imran, M. A. (2013) Energy efficiency in heterogeneous wireless access networks. IEEE Wireless Communications, 20(5), pp. 37-43. (doi:10.1109/MWC.2013.6664472)

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Abstract

In this article, we bring forward the important aspect of energy savings in wireless access networks. We specifically focus on the energy saving opportunities in the recently evolving heterogeneous networks (HetNets), both Single- RAT and Multi-RAT. Issues such as sleep/wakeup cycles and interference management are discussed for co-channel Single-RAT HetNets. In addition to that, a simulation based study for LTE macro-femto HetNets is presented, indicating the need for dynamic energy efficient resource management schemes. Multi-RAT HetNets also come with challenges such as network integration, combined resource management and network selection. Along with a discussion on these challenges, we also investigate the performance of the conventional WLAN-first network selection mechanism in terms of energy efficiency (EE) and suggest that EE can be improved by the application of intelligent call admission control policies.

Item Type:Articles
Additional Information:This work has been done within joint project, supported by Huawei Tech. Co., Ltd, China.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Imran, Professor Muhammad
Authors: Navaratnarajah, S., Saeed, A., Dianati, M., and Imran, M. A.
College/School:College of Science and Engineering > School of Engineering
Journal Name:IEEE Wireless Communications
Publisher:IEEE
ISSN:1536-1284
ISSN (Online):1558-0687
Copyright Holders:Copyright © 2013 IEEE
First Published:First published in IEEE Wireless Communications 20(5): 37-43
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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