Lee, Wilaiporn, Kornkamol Thakulsukanant, Kanabadee Srisomboon, and Akara Prayote. 2015. “Adaptive Two-Stage Spectrum Sensing under Noise Uncertainty in Cognitive Radio Networks”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 14 (1):21-35. https://doi.org/10.37936/ecti-eec.2016141.171084.