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inis 18(15): e3

Research Article

Phase and Time Synchronization for 5G C-RAN: Requirements, Design Challenges and Recent Advances in Standardization

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  • @ARTICLE{10.4108/eai.27-6-2018.155238,
        author={Daniel Philip Venmani and Yannick Lagadec and Olivier Lemoult and Fabrice Deletre},
        title={Phase and Time Synchronization for 5G C-RAN: Requirements, Design Challenges and Recent Advances in Standardization},
        journal={EAI Endorsed Transactions on Industrial Networks and Intelligent Systems},
        volume={5},
        number={15},
        publisher={EAI},
        journal_a={INIS},
        year={2018},
        month={8},
        keywords={C-RAN Architectures, Transport Networks, Network Synchronization, Design Challenges},
        doi={10.4108/eai.27-6-2018.155238}
    }
    
  • Daniel Philip Venmani
    Yannick Lagadec
    Olivier Lemoult
    Fabrice Deletre
    Year: 2018
    Phase and Time Synchronization for 5G C-RAN: Requirements, Design Challenges and Recent Advances in Standardization
    INIS
    EAI
    DOI: 10.4108/eai.27-6-2018.155238
Daniel Philip Venmani1,*, Yannick Lagadec1, Olivier Lemoult1, Fabrice Deletre1
  • 1: Orange Labs, 22300 Lannion, France
*Contact email: danielphilip.venmani@orange.com

Abstract

Cloud-RAN is one of the key enablers for 5G. In this paper we present the importance of network synchronization for the fronthaul architectures. The term network synchronization refers to the distribution of time and frequency among spatially distributed remote nodes. Underlining this point, we investigate the requirements and network design challenges to precisely synchronize the 5G C-RAN radio units. We conclude the article by pointing-out the recent advances in standardization together with describing the proposed practical solutions and methodologies to practically overcome these challenges in real networks.

Keywords
C-RAN Architectures, Transport Networks, Network Synchronization, Design Challenges
Received
2018-07-03
Accepted
2018-07-23
Published
2018-08-13
Publisher
EAI
http://dx.doi.org/10.4108/eai.27-6-2018.155238

Copyright © Daniel Philip Venmani et al., licensed to EAI. This is an open access article distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/3.0/), which permits unlimited use, distribution and reproduction in any medium so long as the original work is properly cited.

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