@article{ultramassivemimosystemsatterahertzbands,
  title = {Ultra-Massive MIMO Systems at Terahertz Bands: Prospects and Challenges},
  author = {Alice Faisal and Hadi Sarieddeen and Hayssam Dahrouj and Tareq Y. Al-Naffouri and Mohamed-Slim Alouini},
  year = {2019},
  eprint = {1902.11090},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1902.11090v4},
}