Energy Efficiency on Fully Cloudified Mobile Networks: Survey, Challenges, and Open Issues

Fully cloudified mobile network infrastructure, which is featured by the joint deployment of heterogeneous cloud radio access networks and edge computing, will successfully cope with the data deluge by densely deploying virtualized wireless base stations and servers while providing the system design...

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Bibliographic Details
Published inIEEE Communications surveys and tutorials Vol. 20; no. 2; pp. 1271 - 1291
Main Authors Alnoman, Ali, Carvalho, Glaucio H. S., Anpalagan, Alagan, Woungang, Isaac
Format Journal Article
LanguageEnglish
Published IEEE 01.01.2018
Subjects
Base stations
Cloud computing
cloudified mobile network
Edge computing
energy efficiency
H-CRANs
Handover
HetNets
Mobile communication
Mobile computing
Servers
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Summary:Fully cloudified mobile network infrastructure, which is featured by the joint deployment of heterogeneous cloud radio access networks and edge computing, will successfully cope with the data deluge by densely deploying virtualized wireless base stations and servers while providing the system design with high flexibility, reliability, availability, and scalability. On the other hand, the massive replication of the wireless and computing infrastructure will significantly increase the energy footprint to prohibitive levels. In order to gain actionable insights on energy-efficiency for a fully cloudified mobile network infrastructure, this paper first presents a comprehensive survey of the recent research breakthroughs on each building block of the system, namely: remote radio heads, baseband unit pool, fronthaul, backhaul, HetNet, and edge and cloud computing. Next, we consolidate the discussion with the challenges and open issues of a joint operation.
ISSN:1553-877X
DOI:10.1109/COMST.2017.2780238