@article{usercoordinationforfastbeamtrainingin,
  title = {User Coordination for Fast Beam Training in FDD Multi-User Massive MIMO},
  author = {Flavio Maschietti and Gábor Fodor and David Gesbert and Paul de Kerret},
  year = {2020},
  eprint = {2012.09106},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.09106v1},
}