Secure Cooperative Spectrum Sensing for the Cognitive Radio Network Using Nonuniform Reliability

Table 1

System parameters.

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
Signal-to-noise 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]