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

Table 1

Golden section algorithm for optimal relay power.

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Algorithm: golden section algorithm of optimal relay power

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1. Initialize the remaining variables and constant terms , , , , , , .

2. Determine tolerance , , , the initial interval is , where , .

3. While :

4. , , , .

5. If , then , , , , ,

6. Else , , , , ,

7. End, .

8. The optimal value is the optimal relay power that meets the maximum energy efficiency.

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