Research Article

Energy Efficiency Optimization Algorithm of CR-NOMA System Based on SWIPT

Table 2

Iterative algorithm based on the Dinkelbach method.

Algorithm: iterative algorithm based on the Dinkelbach method

1. Initialize , and , set the stopping criterion ;
2. While
3. For given , solve (20) to obtain the transmission power ;
4. Let and ;
5. The optimal energy efficiency is .