Mr. Kailin Lv Profile

Kailin Lv

at ZTE Corp

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Proceedings Article | 9 January 2023 Paper

Research on DSoF transmission technology based on delta-sigma modulation

Xiangyang Duan, Kailin Lv, Wenjuan Chen, Chen Fan

Proceedings Volume 12507, 125070N (2023) https://doi.org/10.1117/12.2654610

KEYWORDS: Quantization, Modulation, Signal to noise ratio, Digital signal processing, Electronic filtering, Radio over Fiber

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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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