B. Siva Kumar Reddy and  B. Lakshmi,  BER Analysis of Energy Detection Spectrum Sensing in Cognitive Radio Using GNU Radio.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 95(11). 1699 - 1705
    [viewed 12 July 2020]. Available from: https://publications.waset.org/pdf/9999657.