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Energy efficiency in heterogeneous wireless access networks
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Navaratnarajah, Shobanraj, Saeed, Arsalan, Dianati, Mehrdad and Imran, Muhammad (2013) Energy efficiency in heterogeneous wireless access networks. IEEE Wireless Communications Letters, 20 (5). pp. 37-43. doi:10.1109/MWC.2013.6664472 ISSN 2162-2337.
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Official URL: http://dx.doi.org/10.1109/MWC.2013.6664472
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: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | IEEE Wireless Communications Letters | ||||
Publisher: | IEEE | ||||
ISSN: | 2162-2337 | ||||
Official Date: | 2013 | ||||
Dates: |
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Volume: | 20 | ||||
Number: | 5 | ||||
Page Range: | pp. 37-43 | ||||
DOI: | 10.1109/MWC.2013.6664472 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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