@ARTICLE{6007074,
  author={Kantarci, Burak and Mouftah, Hussein T.},
  journal={IEEE Communications Surveys & Tutorials}, 
  title={Bandwidth Distribution Solutions for Performance Enhancement in Long-Reach Passive Optical Networks}, 
  year={2012},
  volume={14},
  number={3},
  pages={714-733},
  doi={10.1109/SURV.2011.081511.00013}}