Fig. 10
From: Signal-to-noise ratio estimation for M-QAM signals in η−μand κ−μfading channels
NMSE of the estimate \(\hat {\gamma }\) as a function of the SNR in dB, N=5×104, κ−μ fading for κ=3 and μ=0.5, and different orders of the M-QAM constellation
