EESS: An Energy-Efficient Spectrum Sensing Method by Optimizing Spectrum Sensing Node in Cognitive Radio Sensor Networks

Table 2

Parameters	Values
Network size	100m × 100m
FC station	(50, 50)
Detection time T	0.001
Signal bandwidth W	3MHz
Sampling frequency	6MHz
Path loss factor	1
Scalar	1
Occurrence probability of	0.5
Occurrence probability of	0.5
Initial energy of each node	0.5J
Data packet	4000 bits
Power amplification factor (multipath)	0.0013pJ/bit/
Power amplification factor (free)	10pJ/bit/
Energy consumption per 1-bit data	50nJ/bit