Table 1 Simulation parameter setting

Parameter scene range

200 m × 200 m

Position of sink

(250, 100)

CRSN node number

200

Primary user

5

Available channel

5

Initial energy of

Cognitive sensor node

0.5 J

E _elec

50 nJ/bit

ε _fs

10 pJ/bit/ m²

ε _mp

0.0013 pJ/bit/ m²

d ₀

87 m

Data package size

2,000 bits