Zheyi Jin, Meihua Bi, Xuyang Teng, Miao Hu. Design and Anti-Interference Analysis of Fault Monitoring System Based on Multi-Wavelength Grouping for Passive Optical Network System[J]. Acta Optica Sinica, 2024, 44(1): 0106027
- Acta Optica Sinica
- Vol. 44, Issue 1, 0106027 (2024)
Fig. 1. Schematic diagram of multi-wavelength group-based fault detection scheme in PON system
Fig. 2. PON system user distribution diagram and detection signal reception results. (a) Schematic diagram of distribution model; (b) arrival delay of single-wavelength detection signal; (c) arrival delay of multi-wavelength detection signal
Fig. 3. Probability of interference under different wavelengths and number of ONU meets interference conditions. (a) Random grouping; (b) multi-wavelength grouping
Fig. 4. Simulation results of SNR under different detection pulse widths. (a) Relationship between noise component and detection pulse width; (b) relationship between SNR and pulse width
Fig. 5. Simulation results of SNR. (a) Relationship between SNR and detection pulse power; (b) relationship between SNR and the number of ONUs
Fig. 6. Simulation results of SIR. (a) Impact of number of ONUs on SIR; (b) impact of pulse width on SIR
Fig. 7. Simulation of multi-wavelength group-based PON monitoring system. (a) Pulse signal response at the receiver end; (b) detection accuracy for ONU2
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Table 1. Performance simulation parameters of PON fault monitoring system
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Table 2. User grouping for PON fault monitoring system based on multi-wavelength grouping
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