期刊文献+

探测器非线性对可见光通信系统幅频响应的影响 被引量:13

Effects of Detecor′s Nonlinearity on Frequency Response of Visible Light Communication System
原文传递
导出
摘要 在探测器光电转换效率的理论分析和实际测试结果基础上,建立了其功率电流(P-I)特性的非线性模型。基于该模型分析了探测器工作于线性区和饱和区的光电转换能力,将实际测试结果和理论分析结合,研究了探测器响应度饱和情况下可见光通信系统的幅频响应的变化。实验结果表明在可见光通信(VLC)系统的设计中,荧光粉的余辉虽然不会被高速调制,但是它会降低光电探测器的幅频响应度,由于光功率过大导致的探测器响应度饱和会影响系统的幅频响应幅值和系统带宽。 A nonlinearity model of the detector's power-current theories and experiments in respect to photo-electric conversion (P-l) characteristics is established based on the efficiency. The model is used to analyze the detector's photo-electric convert[on ability in both linear and nonlinear cases. With the theories and experiments, the frequency response of the visible light communication (VLC) system when photodiode becomes saturated is studied. It proves that although the afterglow of fluorescent powder cannot be modulated in high speed, it can decrease the frequency response of the detector. The detector's saturation due to the high optical power has an effect on the frequency response and the bandwidth in VLC system.
出处 《中国激光》 EI CAS CSCD 北大核心 2014年第4期135-139,共5页 Chinese Journal of Lasers
基金 国家973计划(2013CB329205) 国家863计划(2011AA03A114 2013AA013602 2013AA013603 2013AA03A104)
关键词 光通信 可见光通信 光电转换 探测器 非线性 optical communications visible light communications photo-electric conversion photodiode nonlinearity
  • 相关文献

参考文献21

  • 1Masako Akanegawa,Yuichi Tanaka,Masao Nakagawa.Basic study on traffic information system using LED traffic lights[J].IEEE Transactions on Intelligent Transportation Systems,2001,2(4):197-203.
  • 2Toshihiko Komine,Masao Nakagawa.Fundamental analysis for visible-light communication system using LED lights[J].IEEE Transactions on Consumer Electronics,2004,50 (1):100-107.
  • 3Hoa Le Minh,Zabih Ghassemlooy,Dominic Or Brien,et al:Indoor gigabit optical wireless communications:challenges and possibilities[C].12th International Conferenceon Transparent Optical Networks,2010.1-6.
  • 4Lubin Zeng,Hoa Le Minh,Dominic O' Brien,et al:Equalisation for high-speed visible light communications using white-LEDs[C].6th International Symposium on Communication Systems,Networks and Digital Signal Processing,2008.170-173.
  • 5J Vutiu,C Kottke,S Nerreter,et al:125 Mbit/s over 5 m wireless distance by use of OOK modulated phosphorescent white LEDs[C].35th European Conference on Optical Communication,2009.1-2.
  • 6Jelena Vucie,Christoph Kottke,Stefan Nerreter,et al:230 Mbit/s via a wireless visible-light link based on OOK modulation of phosphorescent white LEDs[C].2010.Conference on (OSA/OFC/NFOEC) Optical Fiber Communication (OFC),collocated National Fiber Optic Engineers Conference,2010,1-3.
  • 7Jelena Vucic,Christoph Kottke,Stefan Nerreter,et al:513 Mbit/s visible light communications link based on DMT-modulation of a white LED[J].J Lightwave Technol,2010,28 (24):3512-3518.
  • 8Ahmad Helmi Azhar,Tuan-Anh Tran,Dominic O Brien.A Gigabit/s indoor wireless transmission using MIMO-OFDM visible-light communications[J].IEEE Photon Technol Lctt,2013,25(2):171-174.
  • 9Toshihiko Komine,Shiniehiro Haruyama,Masao Nakagawa.Bi-directional visib]e-light communication using corner cube modulator[C].The 3rd IASTED International Conference on Wireless and Optical Communications,2003.598-603.
  • 10Kaiyun Cui,Gang Chen,Zhengyuan Xu,et al:Traffic light to vehicle visible light communication channel charaeterization[J].Appl Opt,2012,51(27):6594-6605.

二级参考文献87

共引文献127

同被引文献96

引证文献13

二级引证文献60

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部