@inproceedings{CTT100790794,
  author = {Yukitsuna Furuya and Jun-ichi Takada and Kazuhiko Fukawa and Nobuo Nakajima and Takeo Fujii and Yoshiyuki Takeda},
  title = {Radio spectrum vision in 50 years from now: Consideration on long term spectrum refarming mainly below 3 GHz},
  booktitle = {},
  year = 2016,
}