Cloud RAN for Mobile Networks - a Technology Overview

Publication: Research - peer-reviewJournal article – Annual report year: 2015

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Cloud Radio Access Network (C-RAN) is a novel mobile network architecture which can address a number of challenges the operators face while trying to support growing end-user’s needs. The main idea behind C-RAN is to pool the Baseband Units (BBUs) from multiple base stations into centralized BBU Pool for statistical multiplexing gain, while shifting the burden to the high-speed wireline transmission of In-phase and Quadrature (IQ) data. C-RAN enables energy efficient network operation and possible cost savings on base- band resources. Furthermore, it improves network capacity by performing load balancing and cooperative processing of signals originating from several base stations. This article surveys the state-of-the-art literature on C-RAN. It can serve as a starting point for anyone willing to understand C-RAN architecture and advance the research on C-RAN
Original languageEnglish
JournalI E E E Communications Surveys and Tutorials
Volume17
Issue number1
Pages (from-to)405-426
ISSN1553-877X
DOIs
StatePublished - 2014
CitationsWeb of Science® Times Cited: 159

    Keywords

  • Cloud RAN, Mobile networks, Small cell, eICIC, CoMP, Virtualization, IQ Compression, CPRI
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