Energy Efficiency Optimization of Cognitive UAV-Assisted Edge Communication for Semantic Internet of Things

Algorithm 2

Subalgorithm for Algorithm 1.

1: Initialize interval (0, ) as (), tolerance level and the iterative number .

2: Calculate the result of according to the equation (9).

3: .

4: While or

if

else

  end while

5: Update to satisfy the constraints (14), repeat 3, 4 and 5 steps to get .