SNR improved digital-delta-sigma-modulation radio-over-fiber scheme for D-band 4.6-km photonics-aided wireless fronthaul

被引：13
|
作者：
Wang, Mingxu [1 ,2 ]
Yu, Jianjun [1 ,2 ]
Zhao, Xianming [3 ]
Li, Weiping [1 ,2 ]
Wei, Yi [1 ,2 ]
Yang, Xiongwei [1 ,2 ]
Shi, Junting [1 ,2 ]
Bian, Chengzhen [1 ,2 ]
Xie, Tangyao [4 ]
Zhao, Feng [5 ]
Yu, Jianguo [4 ]
Zhou, Wen [1 ,2 ]
Wang, Kaihui [1 ,2 ]
机构：
[1] Fudan Univ, Dept Commun Sci & Engn, Shanghai 200433, Peoples R China
[2] Fudan Univ, Key Lab Informat Sci Electromagnet Waves MoE, Shanghai 200433, Peoples R China
[3] Harbin Inst Technol, Inst Future Informat Technol, Harbin 150001, Peoples R China
[4] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
[5] Xian Univ Posts & Telecommun, Sch Automat, Xian 710121, Peoples R China
来源：
OPTICS LETTERS | 2023年 / 48卷 / 15期
基金：
中国国家自然科学基金;
关键词：
5G;
D O I：
10.1364/OL.498450
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a digital-delta-sigma-modulation radio-overfiber (DDSM-RoF) scheme for wireless fronthaul and validate it experimentally in a D-band photonics-aided RoF transmission system. The 10-Gbaud DDSM-RoF signal with a common public radio interface equivalent data rate (CPRI-EDR) of 55.8 Gb/s is successfully transmitted in a 130-GHz 4.6-km wireless channel. The spectral efficiency (SE) is 5.58 bit/s/Hz and the capacity-distance product reaches 257 Gb/s center dot km. Up to 34.4-dB recovered signal-to-noise ratio (SNR) is observed to support the 1024quadrature-amplitude-modulation (1024-QAM) transmission. Compared with the digital-analog-RoF (DA-RoF) scheme, the proposed DDSM-RoF achieves an SNR improvement of 5.9 dB. (c) 2023 Optica Publishing Group
引用
收藏
页码：3997 / 4000
页数：4
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