@ARTICLE{ma2018sparse,
  author={X. {Ma} and F. {Yang} and S. {Liu} and J. {Song} and Z. {Han}},
  journal={IEEE Transactions on Vehicular Technology}, 
  title={Sparse Channel Estimation for MIMO-OFDM Systems in High-Mobility Situations}, 
  year={2018},
  volume={67},
  number={7},
  pages={6113-6124},
  doi={10.1109/TVT.2018.2811368}}