Fig. 5

Comparison of cooperative false alarm and detection probabilities between FFT-based SED for three different linear fusion rules under Indoor channel and log-normal fading (\(\sigma =9\,\hbox {dB}\)), time record length of \(N_t = 91\), and M = 8 sensing stations. a \(P_{FA}\) with linear PA. b \(P_{FA}\) with nonlinear PA. c \(P_{D}\) for inband PU