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

EAI Endorsed Transactions on Industrial Networks and Intelligent Systems

Yannick Lagadec¹  Fabrice Deletre¹  Olivier Lemoult¹  Daniel Venmani¹ 

[1] Orange Labs, 22300 Lannion, France;

关键词: c-ran architectures;    transport networks;    network synchronization;    design challenges;   

DOI  :  10.4108/eai.27-6-2018.155238

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown