@ARTICLE{liu2016optimal,
  author={S. {Liu} and F. {Yang} and J. {Song}},
  journal={IEEE Transactions on Power Delivery}, 
  title={An Optimal Interleaving Scheme With Maximum Time-Frequency Diversity for PLC Systems}, 
  year={2016},
  volume={31},
  number={3},
  pages={1007-1014},
  doi={10.1109/TPWRD.2014.2365579}}