articleIEEE Communications Surveys & TutorialsSep 12, 2014Closed access

Cloud RAN for Mobile Networks—A Technology Overview

ACAleksandra CheckoHLHenrik Lehrmann ChristiansenYYYing YanLSLara ScolariGKGeorgios Kardaras

Technical University of Denmark

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Abstract

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 baseband resources. Furthermore, it improves network capacity by performing load balancing and cooperative processing of signals originating from several base stations. This paper surveys the…

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1,545
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FWCI
96.41
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100%
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94
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Authors

7

Topics & keywords

Topics
Keywords
  • Ran
  • Cloud computing
  • C-RAN
  • Göran
  • Computer science
  • Telecommunications
  • Radio access network
  • Computer network
UN Sustainable Development Goals
  • Affordable and clean energy
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