光载信息能量同传方案及其通信检测应用
Information and Power Over Fiber Scheme and Its Applications for Communications and Detections
查看参考文献27篇
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文摘
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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2 km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2.4 GHz频段的16QAM-OFDM宽带信号的2 km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. |
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其他语种文摘
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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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来源
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电子学报
,2022,50(4):804-810 【核心库】
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DOI
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10.12263/DZXB.20211079
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关键词
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光纤传能
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电磁干扰检测
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光载无线通信
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微波光子技术
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GSM-R
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地址
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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
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北京全路通信信号研究设计院集团有限公司, 北京, 100070
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0372-2112 |
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学科
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电子技术、通信技术 |
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基金
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国家自然科学基金
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四川省科技计划项目
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中央高校基本科研业务费专项资金
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文献收藏号
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CSCD:7190607
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