基于单光源的全双工可见光通信系统设计
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摘要
设计了基于单光源的全双工可见光通信系统,实现了可见光兼具照明和通信的功能。利用"猫眼"逆向调制器对下行光信号进行两次调制,将上行信息调制到下行光信号上并反射回主动端。实验表明,单光源可以实现全双工可见光通信链路,并且使上下行链路的通信互不干扰,通信效果良好。
A full duplex visible light communication system based on single light source is designed,which realizes the functions of both visible light illumination and communication.The cat eye reverse modulator is used to perform remodulation on the downlink optical signal,and the uplink information is modulated onto the downlink optical signal and reflected back.The experimental result shows that the system with single light source can realize full duplex visible light communication and make the communications between the uplink and the downlink independent,and the communication effect is good.
A full duplex visible light communication system based on single light source is designed,which realizes the functions of both visible light illumination and communication.The cat eye reverse modulator is used to perform remodulation on the downlink optical signal,and the uplink information is modulated onto the downlink optical signal and reflected back.The experimental result shows that the system with single light source can realize full duplex visible light communication and make the communications between the uplink and the downlink independent,and the communication effect is good.
引文
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[18]Ren J Y,Sun H Y,Zhang L X.Free space optical communication technology based on cat-eye modulating retro-reflector[J].Laser&Infrared,2017,47(1):98-102.任建迎,孙华燕,张来线.“猫眼”逆向调制自由空间光通信技术[J].激光与红外,2017,47(1):98-102.
[19]Song X Q,Wei Y C,Zhao Z X,et al.Research progress on hardware pre-equalization technology for high-speed visible light communication[J].Laser&Optoelectronics Progress,2017,54(8):080003.宋小庆,魏有财,赵梓旭,等.高速可见光通信硬件预均衡技术研究进展[J].激光与光电子学进展,2017,54(8):080003.
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[21]Wang X Y,Feng X L,Zhang P,et al.Single-source bidirectional free-space optical communications using reflective SOA-based amplified modulating retroreflection[J].Optics Communications,2017,387:43-47.
[2]Rahaim M B,Vegni A M,Little T D C.A hybrid radio frequency and broadcast visible light communication system[C]∥IEEE GLOBECOMWorkshops,2011:792-796.
[3]Zhang H,Chen C Y.The cause analysis and solutions of VLC channel obstacle[J].Optical Communication Technology,2012,36(9):57-60.张浩,陈长缨.可见光通信信道障碍成因分析及解决方案[J].光通信技术,2012,36(9):57-60.
[4]Tsonev D,Chun H,Rajbhandari S,et al.A 3Gb/s single-LED OFDM-based wireless VLC link using a gallium nitrideμLED[J].IEEE Photonics Technology Letters,2014,26(7):637-640.
[5]Cossu G,Corsini R,Khalid A M,et al.Bidirectional 400 Mbit/s LED-based optical wireless communication for non-directed line-of-sight transmission[C]∥IEEE Conference of Optical Fiber Communication,2014:1-3.
[6]Mossaad M S A,Hranilovic S,Lampe L.Visible light communications using OFDM and multiple LEDs[J].IEEE Transactions on Communications,2015,63(11):4304-4313.
[7]Guan W P,Wen S S,Hu H X,et al.Research on visible light communication system based on hybrid modulation technique[J].Journal of Optoelectronics·Laser,2015,26(11):2125-2132.关伟鹏,文尚胜,胡卉馨,等.基于双重调制技术的可见光通信系统研究[J].光电子·激光,2015,26(11):2125-2132.
[8]Fan Y Y,Deng L J.Performance of visible light communication system based on discrete sine/cosine transform DC-DMT[J].Acta Optica Sinica,2016,36(11):1106001.樊养余,邓莉君.基于离散正弦/余弦变换DC-DMT的可见光通信系统性能研究[J].光学学报,2016,36(11):1106001.
[9]Basnayaka D A,Haas H.Design and analysis of a hybrid radio frequency and visible light communication system[J].IEEE Transactions on Communications,2017,65(10):4334-4347.
[10]Wu M L,Guo J,Liu W K,et al.Scheme and implementation of bi-directional visible light communication system with LED as both optical transmitter and receiver elements[J].Acta Optica Sinica,2018,38(4):0406003.武梦龙,郭佳,刘文楷,等.LED作为收发元件的双向可见光通信系统方案及实现[J].光学学报,2018,38(4):0406003.
[11]Jenkins C,Brown J G,Li L J,et al.MEMS retrophase-modulator for free-space coherent optical communications[J].IEEE Journal of Selected Topics in Quantum Electronics,2007,13(2):330-335.
[12]Ziph-Schatzberg L,Bifano T,Cornelissen S,et al.Deformable MEMS mirrors in secure optical communication system[J].Proceedings of SPIE,2009,7318:73180T.
[13]Zhang L X,Sun H Y,Fan G H,et al.Progress in free space optical communication technology based on cat-eye modulating retro-reflector[J].Chinese Optics,2013,6(5):681-691.张来线,孙华燕,樊桂花,等.猫眼逆向调制自由空间激光通信技术的研究进展[J].中国光学,2013,6(5):681-691.
[14]Geng D X,Du P F,Wang W,et al.Single laser freespace duplex communication system with adaptive threshold technique and BER analysis in weak turbulent atmosphere[J].Optics Letters,2014,39(13):3950-3953.
[15]Xu S H,Xiao S L.A novel technique for duplex communication system with a signal-light source[J].Semiconductor Optoelectronics,2015,36(3):447-450.徐山河,肖沙里.一种新型的单光源双工通信系统[J].半导体光电,2015,36(3):447-450.
[16]Qiu H,Wang J Y,Xu Z Y,et al.Study on the single laser full-duplex modulating retro-reflector in optical communication technology[J].Journal of Optoelectronics·Laser,2015,26(12):2314-2319.邱灏,汪井源,徐智勇,等.单光源全双工逆向调制的光通信技术研究[J].光电子·激光,2015,26(12):2314-2319.
[17]Zhang P,Wang T S,Yang G W,et al.Performance evaluation of full-duplex free space laser communication system based on modulating retroreflector[J].Infrared and Laser Engineering,2015,44(8):2506-2510.张鹏,王天枢,杨国伟,等.全双工逆向调制回复空间光通信系统性能评价[J].红外与激光工程,2015,44(8):2506-2510.
[18]Ren J Y,Sun H Y,Zhang L X.Free space optical communication technology based on cat-eye modulating retro-reflector[J].Laser&Infrared,2017,47(1):98-102.任建迎,孙华燕,张来线.“猫眼”逆向调制自由空间光通信技术[J].激光与红外,2017,47(1):98-102.
[19]Song X Q,Wei Y C,Zhao Z X,et al.Research progress on hardware pre-equalization technology for high-speed visible light communication[J].Laser&Optoelectronics Progress,2017,54(8):080003.宋小庆,魏有财,赵梓旭,等.高速可见光通信硬件预均衡技术研究进展[J].激光与光电子学进展,2017,54(8):080003.
[20]Minh H L,O'Brien D,Faulkner G,et al.80Mbit/s visible light communications using pre-equalized white LED[C]∥European Conference on Optical Communication,2008:1-2.
[21]Wang X Y,Feng X L,Zhang P,et al.Single-source bidirectional free-space optical communications using reflective SOA-based amplified modulating retroreflection[J].Optics Communications,2017,387:43-47.