Intelligent Spectrum Management and Trajectory Design for UAV-Assisted Cognitive Ambient Backscatter Networks

Algorithm 2

The iterative algorithm to problem (6). The procedure of proposed iterative algorithm.

1 Initialize:

2  Set , tolerance ;

3  Set according to Section III-C;

4 Repeat:

5  Set ;

6  For fixed , is obtained from (11), and is obtained by the interior-point method;

7  For fixed , is found by the FP method in Algorithm 1;

8 Until:;

9  Set ;

10 Return:.