@article{
  author = {Salehi, F., majidi, mohammad hassan, Neda, N.},
  title = {An Intelligent Approach for OFDM Channel Estimation Using Gravitational Search Algorithm},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2020},
  volume = {18},
  number = {1},
  pages = {54-60},
  doi = {}
}