Optimal spectrum access and power control of secondary users in cognitive radio networks

EURASIP Journal on Wireless Communications and Networking

Table 1 Simulation parameters on one single band

Parameter	Physical mean	Value
λ _1,i	Density of PUs	0.0001user/m ²
λ _0,i	Density of SUs	0.0001user/m ²
P _1,i	Power of PUs	25 dBm
P _0,i	Power of SUs	15 dBm
α	Path loss coefficient	4
T _0,i / T _1,i	SIR threshold of SUs / PUs	0 dB
R _10,i	Average link distance in the primary network	50 m
R _00,i	Average link distance in the secondary network	15 m
θ ₀ / θ ₁	Outage probability threshold of SUs / PUs	0.1