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9 January 2023 Research on DSoF transmission technology based on delta-sigma modulation
Xiangyang Duan, Kailin Lv, Wenjuan Chen, Chen Fan
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Proceedings Volume 12507, Advanced Optical Manufacturing Technologies and Applications 2022; and 2nd International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2022); 125070N (2023) https://doi.org/10.1117/12.2654610
Event: 2nd International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2022), 2022, Changchun, China
Abstract
With the rapid development of 5G/6G communication technology, people's requirements for transmission rate and delay experience are also increasing. The digitized radio-over-fiber (DRoF) technology greatly simplifies the front-end hardware due to the use of digital processing, which has aroused great interest in digital-centric systems or centralized networks. Aiming at the series of bottlenecks faced by traditional RoF systems in mobile fronthaul (MFH), such as high cost, high complexity and low spectral utilization, a delta-sigma-over-fiber (DSoF) transmission technology based on delta-sigma modulation is proposed, which can push digital signal processing into the transmission chain as soon as possible, and has strong competitiveness in MFH. Firstly, the modulation principle of delta-sigma is analyzed, and then the delta-sigma signal transmission system is designed. Finally, factors affecting the delta-sigma signal transmission performance are deeply studied through MATLAB simulation and experiment. The results show that this system can realize the digital transmission of orthogonal frequency division multiplexing (OFDM) signals, which can provide reference for the development of next-generation mobile communications.
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Xiangyang Duan, Kailin Lv, Wenjuan Chen, and Chen Fan "Research on DSoF transmission technology based on delta-sigma modulation", Proc. SPIE 12507, Advanced Optical Manufacturing Technologies and Applications 2022; and 2nd International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2022), 125070N (9 January 2023); https://doi.org/10.1117/12.2654610
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KEYWORDS
Quantization
Modulation
Signal to noise ratio
Digital signal processing
Electronic filtering
Radio over Fiber
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