Ling Qin, Liqiang Yu, Fengying Wang, Xiaoli Hu, Yongxing Du. Peak-to-Average Ratio Suppression Algorithm for Non-Hermitian Symmetric Optical OFDM System Based on GA-PTS[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0706005
- Laser & Optoelectronics Progress
- Vol. 60, Issue 7, 0706005 (2023)
Fig. 1. Block diagram of UO-OFDM system
Fig. 2. Block diagram of complex to real and bipolar to unipolar conversion
Fig. 3. Subcarrier mapping in the frequency domain
Fig. 4. Block diagram of PTS technology
Fig. 5. Block diagram of GA-PTS technology
Fig. 6. Schematic of crossover and mutation operations
Fig. 7. PAPR simulation curves of PTS technology with different V values
Fig. 8. PAPR simulation curves of SLM and PTS technology
Fig. 9. PAPR simulation curves. (a) PAPR of GA-PTS technique with different G values; (b) PAPR of different techniques
Fig. 10. Simulation curves for ACO-OFDM and UO-OFDM systems. (a) BER; (b) PAPR
Fig. 11. Running time of GA-PTS algorithm under different optical OFDM systems
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Table 1. PAPR performance simulation parameters for GA-PTS
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Table 2. Comparison of computational complexity of ACO-OFDM and UO-OFDM systems
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Table 3. Algorithm simulation time for conventional PTS and GA-PTS with different G values
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