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

Algorithm 1

FP algorithm. FP method for UAV trajectory design.

1 Initialize:

2  , , tolerance ;

3 Repeat:

4  Update and ;

5  Reshape and by (18) and (19), respectively;

6  Solve the reformulated convex problem in (16) by CVX;

7  ;

8 Until:;

9  Set .