[Retracted] Energy Efficiency Analysis in Modified GoF Spectrum Sensing-Based AF Relay Cooperative Cognitive Sensor Network with Energy Harvesting

Algorithm 1

Optimal sensing time and transmission power.

(1)	for α = 0 : 1
(2)	Initialize the transmission power PSR, the maximum tolerance ε, EE q, a given detection probability and Lagrangian multiplier v
(3)	Calculate the amplifying power gain β using (21)
(4)	repeat
(5)	Set
(6)	repeat
(7)	Update the transmission power PSR according to (26)
(8)	Update the Lagrange multipliers and µ according to equations (27) and (28)
(9)	until convergence of PSR
(10)	Update RS (α, PSR) and Etot (α, PSR)
(11)	until
(12)	Return ,
(13)	end for
(14)	, ,