@ARTICLE {27769,
author={I.  Alimi and A. Teixeira and P. Monteiro},
doi={10.1109/COMST.2017.2773462},
journal={IEEE Communications Surveys and Tutorials},
title={Toward an Efficient C-RAN Optical Fronthaul for the Future Networks: A Tutorial on Technologies, Requirements, Challenges, and Solutions},
year={2018},
month={November},
volume={20},
number={1},
pages={708-769},
ISSN={1553-877X}
}