Table 1: System parameters.

DescriptionSymbolValue

Number of iterations5000
Number of SUs15
PU busy probability0.5
Sensing duration1 ms
Sampling frequency300 KHz
Number of samples600
Signal-to-noise ratio[−25 dB, −10 dB] with 1 dB decrement
Maximum number of MUs3
Minimum number of reliable SUs5
Size of queue15 × 50
Depth of each user queue (each row in )50
Unreliability threshold10
Probability of H1 transmission by MU[0.2, 0.5, 0.8]