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Energy-Efficiency for Heterogeneous Wireless Networks by Using Hands-off Approach

Authors:
Samet Öztoprak
M. Ali Aydın
Tülin Atmaca

Keywords: Energy efficiency; HetNets; joint radio resource management (JRRM); macrocell and microcell occupancy; green network design; threshold macrocell and microcell; Markov process; performance.

Abstract:
With the use dense of smart phones, the global mobile data traffic has increased from 0:2exabytes/month in 2010 to 2:5exabytes/month in 2014. With a growth of 1150% over 4 years it is expected that global mobile traffic will increase by a factor of 10 between 2014 and 2020. Mobile BS cell sites consumed over 60% of the company total energy consumption for most mobile carriers, therefore current research has a significant focus on improving the energy efficiency of mobile access networks [10]. In recent years, the increasing impact of networks on the environment has made energy efficiency in telecom networks an important theme for researches. In this context heterogeneous wireless networks become important and offer easily access services anywhere and anytime. In this paper, we propose a new approaches which provides more energy efficient than Green JRRM Architecture. Our proposed model has 2 stations which are separated from each other. One of them, which is called macrocell, addresses the control of a vast territory. The other is located in more sophisticated and local areas. All calls come to the macrocell at first. According to the intensity of call rate microcells turn on or off. These actions are performed by a threshold located in the macrocell. Control of the macrocell achieves a good level of energy efficiency. As it is showed in the illustrations, Handoff Green JRRM Architecture is better than Green JRRM Architecture in the aspect of energy-saving, in any case. The energy-saving action changes the range from 45% to 70% in an average traffic load. Handoff Green's DCM algorithm promises more opportunities in saving energy.

Pages: 40 to 44

Copyright: Copyright (c) IARIA, 2016

Publication date: May 22, 2016

Published in: conference

ISSN: 2308-4030

ISBN: 978-1-61208-473-2

Location: Valencia, Spain

Dates: from May 22, 2016 to May 26, 2016