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Energy performance of C-RAN with 5G-NX radio networks and optical transport
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab). Kungliga Tekniska högskolan.ORCID iD: 0000-0002-8026-7682
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2016 (English)In: 2016 IEEE International Conference on Communications, ICC 2016, IEEE conference proceedings, 2016Conference paper (Refereed)
Abstract [en]

Each mobile network architecture able to meet the traffic requirements of future 5G services comes with its own set of benefits vs. requirements for the radio and the transport segments. This paper focuses on the energy performance of four mobile network architectures, each one with different splitting options for the baseband processing functions. The radio segment under exam is based on a new radio access technology referred to as 5G-NX, while the transport segment is based on wavelength division multiplexing (WDM). The energy consumption of each mobile network architecture is weighted against (i) the benefits for the radio segment as a function of the level of centralization of the baseband processing resources and (ii) the required transport capacity and consequently the power consumption levels needed to accommodate the backhaul, midhaul, and/or fronthaul traffic generated at each base station. Our results show that a fully centralized radio access network (C-RAN) with centralization of all the baseband functions is not a practical approach for 5G mobile networks, while a partially centralized C-RAN architecture in which the physical layer baseband processing is performed at the base station site represents a promising solution.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016.
Keyword [en]
Base stations, Computer architecture, Energy efficiency, Energy utilization, Mobile telecommunication systems, Network layers, Radio, Wavelength division multiplexing, Wireless networks, Base-band processing, Consumption levels, Energy performance, Optical transport, Radio access networks, Radio access technologies, Traffic requirements, Transport capacity, Network architecture
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-197162DOI: 10.1109/ICC.2016.7510717ScopusID: 2-s2.0-84981299189ISBN: 9781479966646OAI: diva2:1055827
2016 IEEE International Conference on Communications, ICC 2016, 22 May 2016 through 27 May 2016

QC 20161213

Available from: 2016-12-13 Created: 2016-11-30 Last updated: 2016-12-13Bibliographically approved

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Fiorani, MatteoMonti, Paolo
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