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Photonic Network Communications
Published in: Photonic Network Communications 3/2019

05-04-2019 | Invited Paper

A comprehensive optical mobile fronthaul network toward high-fidelity, flexible and low-latency transport

Authors: Weisheng Hu, Hao He, Kuo Zhang, Haiyun Xin, Longsheng Li, Ahmed Mohammed Mikaeil

Published in: Photonic Network Communications | Issue 3/2019

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Abstract

Cloud radio access network and the subsequent next-generation fronthaul interface are the key solutions for the upcoming 5G deployment. In both architectures, the baseband units (BBUs) are centralized, and remote radio units (RRUs) are separately allocated, where the BBUs and RRUs are connected through a fronthaul network with common public radio interface (CPRI) and its subsequent eCPRI. Today, a cost-effective fronthaul transport network is paramount for 5G deployment. In this paper, we proposed a comprehensive optical mobile fronthaul network (COMF) to meet the various fronthaul requirements. The COMF design has the features of low-cost high-speed transmission, bandwidth reduction, low link latency, high signal fidelity and flexible connection. To support both the CPRI and eCPRI interfaces, several low-cost high-bitrate optical transmission techniques are comparatively studied. Meanwhile, time-division multiplexing-based analog radio over fiber solution is also discussed. Furthermore, to achieve flexible fronthaul delivering, optical switching technologies based on arrayed waveguide grating router and wavelength selective switch are presented, respectively. In the end, the novel strategies for low-delay resource management are investigated.
previous article A programmable optical network testbed in support of C-RAN: a reliability study
next article Co-existence of OFDM and FBMC for resilient photonic millimeter-wave 5G mobile fronthaul

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Metadata
Title
A comprehensive optical mobile fronthaul network toward high-fidelity, flexible and low-latency transport
Authors
Weisheng Hu
Hao He
Kuo Zhang
Haiyun Xin
Longsheng Li
Ahmed Mohammed Mikaeil
Publication date
05-04-2019
Publisher
Springer US
Published in
Photonic Network Communications / Issue 3/2019
Print ISSN: 1387-974X
Electronic ISSN: 1572-8188
DOI
https://doi.org/10.1007/s11107-019-00829-z

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