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Table 1 Simulation parameters setup

From: Exploiting social features for improving cognitive radio infrastructures and social services via combined MRF and back pressure cross-layer resource allocation

Parameters

Values

Definition

C p thr

2

Capture threshold - Equation 2

P R thr

-90 dBm

SU receiver sensitivity threshold - Equations 1 and 2

N 0

-98 dBm

Background noise - Equation 8

G t , G r

1

Antenna gains - Equations 1 and 3

d 0

1 m

LOS reference distance - Equations 1 and 3

η

4

Path-loss exponent - Equations 1 and 3

δ 1

5

Positive constant (penalty) - Equation 8

δ 2

2

Positive constant (penalty) - Equation 9

P k t s

1,500 bytes

Packet size

max{P i,m}

100 mW

maximum SU transmission power

T

2 ln ( 1 + sweepID )

Annealing schedule - Equation 10