@article{angledependentphaseshiftermodelfor,
  title = {Angle-Dependent Phase Shifter Model for Reconfigurable Intelligent Surfaces: Does the Angle-Reciprocity Hold?},
  author = {Weicong Chen and Lin Bai and Wankai Tang and Shi Jin and Wei Xiang Jiang and Tie Jun Cui},
  year = {2020},
  eprint = {2005.13529},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.13529v1},
}