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1.西南交通大学信息科学与技术学院,四川成都 611756
2.北京全路通信信号研究设计院集团有限公司,北京 100070
Received:12 August 2021,
Revised:2022-02-21,
Published:25 April 2022
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兰子林,邹喜华,白文林等.光载信息能量同传方案及其通信检测应用[J].电子学报,2022,50(04):804-810.
LAN Zi-lin,ZOU Xi-hua,BAI Wen-lin,et al.Information and Power Over Fiber Scheme and Its Applications for Communications and Detections[J].ACTA ELECTRONICA SINICA,2022,50(04):804-810.
兰子林,邹喜华,白文林等.光载信息能量同传方案及其通信检测应用[J].电子学报,2022,50(04):804-810. DOI: 10.12263/DZXB.20211079.
LAN Zi-lin,ZOU Xi-hua,BAI Wen-lin,et al.Information and Power Over Fiber Scheme and Its Applications for Communications and Detections[J].ACTA ELECTRONICA SINICA,2022,50(04):804-810. DOI: 10.12263/DZXB.20211079.
基于光纤的大传输带宽、微型传能通道、抗电磁干扰等优势,本文设计了一种光载信息能量同传方案.它基于光纤一体化分布式链路,结合微波光子模拟收发前端,同步实现能量远程配送与高频宽带信号的采集传输.首先,设计并测试了光纤传能(Power over Fiber,PoF)链路:高功率激光经多模光纤链路传输
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后转换为百毫瓦级电能,为远端模块供电或电池充电.在此基础上,设计并测试了基于PoF的光载无线通信(Radio over Fiber,RoF)和电磁干扰检测链路.RoF链路实现了
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频段的16QAM-OFDM宽带信号的
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单模光纤传输;电磁干扰远程采集与监测链路实现了对高铁GSM-R(Global System for Mobile Communications-Railway)无线频段的带内干扰、邻带干扰和带外干扰的检测与识别等.相关方案和系统在易燃易爆、强电磁干扰、强辐射等特殊场景具有重要应用价值.
Based on the distinct advantages of large transmission bandwidth
compact energy transmission channel
and strong electromagnetic interference(EMI) immunity from optical fiber
a hybrid scheme is designed for simultaneous transmission of both information and energy over fiber. Remote energy distribution and high-frequency broadband signal acquisition & transmission are simultaneously implemented
by incorporating a comprehensive fiber distribution link and an analog microwave photonic frontend. Firstly
the power over fiber(PoF) link is designed and experimentally demonstrated. The high-power laser energy is transmitted via a 2 km multi-mode fiber link and then converted into electrical energy of hundreds milliwatts
providing power for the remote module or battery. Moreover
PoF-based radio over fiber(RoF) link and EMI detection link have been also developed and successfully verified. In the experiments
a wideband 16QAM-OFDM signal centered at 2.4 GHz is delivered through the RoF link with a 2 km single-mode fiber. Furthermore
the EMI remote monitoring link is used to perform the detection and identification of in-band
adjacent-band
and out-of-band EMIs for the GSM-R system along the high-speed railways. The proposed scheme and system will find significant applications in specific scenarios
such as inflammable and explosive conditions
strong EMI
and strong radiation.
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