Spectrum Efficiency Optimization for UAV-Based Cognitive Radio Network

Algorithm 2

AIO (joint optimization of and ).

	Input, tolerance level ;
(1)	whiledo
(2)	Given , using Algorithm 1 to calculate ;
(3)	;
(4)	Given , using the numerical method to calculate;
(5)	;
(6)	calculate ;
(7)	;
(8)	end
	Output.