ABDULLAH, Hikmat N.; ABED, Hadeel S. Implementation of Selected Spectrum Sensing Systems for Cognitive Radio Networks using FPGA Platform. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 74, n. 4, p. 81–87, 2018. DOI: 10.26636/jtit.2018.125018. Disponível em: https://www.jtit.pl/jtit/article/view/637. Acesso em: 10 jul. 2026.