@article{physicallayersecurityenhancement,
  title = {Physical Layer Security Enhancement Exploiting Intelligent Reflecting Surface},
  author = {Keming Feng and Xiao Li and Yu Han and Shi Jin and Yijian Chen},
  year = {2019},
  eprint = {1911.02766},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.02766v3},
}