@article{CTT100562551,
  author = {Hiromasa Uchiyama and Kenta Umebayashi and Takeo Fujii and F.Ono and K.Sakaguchi and Yukihiro Kamiya and Yasuo Suzuki},
  title = {Study on soft decision based cooperative sensing for cognitive radio networks},
  journal = {IEICE Transaction on Communications},
  year = 2008,
}