Fig. 1. Industrial PON system architecture

Fig. 2. Transmission path of data flow in industrial PON

Fig. 3. Delay and jitter uncertainty caused by traditional FBA

Fig. 4. Delay and jitter uncertainty caused by traditional DBA

Fig. 5. Implementation process of CO-DBA in mobile fronthaul scenario

Fig. 6. Schematic diagram of single frame multiple bursts

Fig. 7. TA-DetBA scheme

Fig. 8. CTW-DetBA scheme

Fig. 9. Industrial PON upstream delay modeling based on network calculation

Fig. 10. Arrival curves for cyclic flow

Fig. 11. Service curves of FBA and CTW-DetBA scheme

Fig. 12. Service curve of TA-DetBA scheme

Fig. 13. Service curve of SR-DBA

Fig. 14. Potential research directions on deterministic network transmission technology for industrial PON