Secrecy Energy-Efficient UAV Communication via Trajectory Design and Power Control

Algorithm 1

Proposed Dinkelbach’s algorithm for problem (P3.2).

Inputs:, , slack variables

Outputs:, optimal

1: Initialize the maximum tolerance , , and let .

2: repeat

3: Solve problem (P3.3) with a given

  , and obtain the optimal solution

4: ifthen

5:  Convergence=true.

6:  return

   , and

   .

7: else

8:  .

9:  

10:  Convergence=false.

11: end if

12:until Convergence=true.