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

Table 2

Iterative algorithm based on the Dinkelbach method.

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Algorithm: iterative algorithm based on the Dinkelbach method

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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 .

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