Spectrum Sensing Using Energy Detector in Rayleigh Fading Channel Hemlata Patil, Sai Vennela Nekkanti, Disha Negi, Nikita Masanagi and Sakshi More ITM Web Conf., 32 (2020) 02005 Published online: 29 July 2020 DOI: 10.1051/itmconf/20203202005