@article{evolutionofsmallcellfrom4gto6gpast,
  title = {Evolution of Small Cell from 4G to 6G: Past, Present, and Future},
  author = {Vanlin Sathya},
  year = {2020},
  eprint = {2101.10451},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.10451v1},
}