López-Benítez, M.; Casadevall, F.: 'Improved energy detection spectrum sensing for cognitive radio', IET Communications, 2012, 6, (8), p. 785-796, DOI: 10.1049/iet-com.2010.0571
IET Digital Library, https://digital-library.theiet.org/;jsessionid=d5mtc4eq2sug.x-iet-live-01content/journals/10.1049/iet-com.2010.0571