 Description  Symbol  Value 
 Number of iterations   5000  Number of SUs   15  PU busy probability   0.5  Sensing duration   1 ms  Sampling frequency   300 KHz  Number of samples   600  Signaltonoise ratio   [−25 dB, −10 dB] with 1 dB decrement  Maximum number of MUs   3  Minimum number of reliable SUs   5  Size of queue   15 × 50  Depth of each user queue (each row in )   50  Unreliability threshold   10  Probability of H1 transmission by MU   [0.2, 0.5, 0.8] 

