无线紫外光通信中继与组网技术研究
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摘要
无线紫外光散射通信能实现非直视(Non-Line-of-Sight,NLOS)全天候隐秘通信,"日盲"波段的紫外光具有背景噪声低的优点,但是大气强烈的散射特性导致无线紫外光传输距离有限,中继与组网技术是解决功率受限情况下扩大无线紫外光通信覆盖范围的有效手段。综述了国内外无线紫外通信中散射信道、中继通信、组网技术的研究现状,重点介绍了散射信道特性和中继组网的相关技术,并展望了未来无线紫外光通信中继与组网技术的应用场景。
Wireless ultraviolet communication can work in the mode of Non-Line-of-Sight( NLOS) secretly in any time,the " blind" band of ultraviolet light has the advantage of low background noise,but the strong atmospheric scattering feature causes the wireless ultraviolet transmission distance to be limited. Relaying and networking technologies are effective means to solve the problem of expanding the coverage of wireless UV communications under powerconstrained conditions. But the strong scattering of atmosphere results in limited transmission distance and range of ultraviolet light. Relay-assisted networking communication technology can solve this problem effectively. The domestic and foreign research status of scattering channels,network relays and application scenarios in UV communication were summarized,the related technologies of scattering channels and networking relays were introduced emphatically and the future application scenarios of UV relay and networking communication were expected.
Wireless ultraviolet communication can work in the mode of Non-Line-of-Sight( NLOS) secretly in any time,the " blind" band of ultraviolet light has the advantage of low background noise,but the strong atmospheric scattering feature causes the wireless ultraviolet transmission distance to be limited. Relaying and networking technologies are effective means to solve the problem of expanding the coverage of wireless UV communications under powerconstrained conditions. But the strong scattering of atmosphere results in limited transmission distance and range of ultraviolet light. Relay-assisted networking communication technology can solve this problem effectively. The domestic and foreign research status of scattering channels,network relays and application scenarios in UV communication were summarized,the related technologies of scattering channels and networking relays were introduced emphatically and the future application scenarios of UV relay and networking communication were expected.
引文
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[27] XU Z,DING H,SADLER B M,et al. Analytical performance study of solar blind non-line-of-sight ultraviolet short-range communication links[J]. Optics Letters,2008,33(16):1860.
[29] DING H,XU Z,SADLER B M. A Path Loss Model for Non-Line-of-Sight Ultraviolet Multiple Scattering Channels[J]. Eurasip Journal on Wireless Communications&Networking,2010,2010(1):1-12.
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[30]KARAGIANNIDIS G K,ZOGAS D A,SAGIAS N C,et al.Multihop communications with fixed-gain relays over generalized fading channels[C].Global Telecommunications Conference,2004. GLOBECOM'04. IEEE. IEEE,2004:36-40Vol.1.
[31] VAVOULAS A,SANDALIDIS H,VAROUTAS D. Connectivity Issues for Ultraviolet UV-C Networks[J]. IEEE/OSA Journal of Optical Communications&Networking,2011,3(3):199-205.
[32] CHEN G,ABOUR-GALALA F,Xu Z,et al. Experimental evaluation of LED-based solar blind NLOS communication links[J]. Optics Express,2008,16(19):15059-68.
[2] HE Qunfeng,XU Zhengyuan,BRIAN M. SADLER,Nonline-of-sight Serial Relayed Link for Optical Wireless Communications[J],MILITARY COMMUNICATIONS CONFERENCE,2010,1588-1593.
[3] SADLER B M. Monte-Carlo-based multiple-scattering channel modeling for non-line-of-sight ultraviolet communications[J]. Proceedings of SPIE-The International Society for Optical Engineering,2011,8038(5):73-81.
[4] DROST R J,MOORE T J,SADLER B M. UV communications channel modeling incorporating multiple scattering interactions[J]. Journal of the Optical Society of America A Optics Image Science&Vision,2011,28(4):686.
[5] ZUO Y,XIAO H,Wu J,et al. A single-scatter path loss model for non-line-of-sight ultraviolet channels[J]. Optics Express,2012,20(9):10359-10369.
[6]强若馨,赵尚弘,王翔.不同大气高度紫外光单次散射链路模型研究[J].半导体光电,2013,34(6):1027-1031.
[7]巩稼民,李晨,姜小波等.雾环境下非视距紫外光多次散射路径损耗分析[J].光通信研究,2016,1:67-70.
[8] ARDAKANI M H,HEIDARPOUR A R,Uysal M. Performance analysis of MIMO NLOS UV communications over atmospheric turbulence channels[C]. Wireless Communications and NETWORKING Conference. IEEE,2016:1-5.
[9]巩稼民,李晨,姜小波,等.雾环境下非视距日盲紫外光通信链路路径损耗研究[J].半导体光电,2016,37(1):87-90.
[10]孙禹,詹亚锋.能见度对垂直收发模式紫外散射信道的影响[J].清华大学学报(自然科学版),2016,6:666-671.
[11]王晓芳,张新,张继真等.基于蒙特卡罗方法的紫外光大气散射传输模型[J].激光与光电子学进展,2017,11:43-50.
[12] RAPTIS N,PIKASIS E,NIKAS T,et al. Experimental Evaluation of Modulation Formats’Performance in Diffuse UV Channels[J]. IEEE Photonics Technology Letters,2017,29(11):897-900.
[13]赵太飞,冷昱欣,赵思婷等.雾霾粒子的紫外光散射特性研究[J].光谱学与光谱分析,2018,3:837-843.
[14] HE Q,XU Z,SADLER B M.Non-line-of-sight serial relayed link for optical wireless communications[C]. Military Communications Conference,2010-Milcom. IEEE,2010:1588-1593.
[15] LI Y,WANG L,XU Z,et al. Neighbor Discovery for Ultraviolet Ad Hoc Networks[J]. IEEE Journal on Selected Areas in Communications,2011,29(10):2002-2011.
[16] VAVOULAS A,SANDALIDIS H G,VAROUTAS D. Node Isolation Probability for Serial Ultraviolet UV-C Multi-hop Networks[J]. IEEE/OSA Journal of Optical Communications&Networking,2011,3(9):750-757..
[17] VAVOULAS A,SANDALIDIS H G,VAROUTAS D. Connectivity Issues for Ultraviolet UV-C Networks[J]. IEEE/OSA Journal of Optical Communications&Networking,2011,3(3):199-205.
[18] ARDAKANI M H,UYASLl M. Relay-assisted OFDM for NLOS ultraviolet communication[C]. International Conference on Transparent Optical Networks. IEEE,2015:1-4.
[19] GONG C,XU Z. Non-Line of Sight Optical Wireless Relaying With the Photon Counting Receiver:A Count-andForward Protocol[J]. Wireless Communications IEEE Transactions on,2015,14(1):376-388.
[20]李济波,吴晓军,王红星,等.紫外光非直视通信抗干扰中继链路方法及其功率需求分析[J].激光与光电子学进展,2015,52(3):93-99.
[21] HEIDARPOUR A R,ARDAKANI M H,UYSAL M. Performance Analysis of Relay-Assisted NLOS Ultraviolet Communications Over Turbulence Channels[J]. IEEE/OSA Journal of Optical Communications&Networking,2017,9(1):109-118.
[22] ZHANG B,GONG C,GAO Q,et al. Two-Way Relay Protocol for Optical Wireless Scattering Communication[J].IEEE Communications Letters,2017,21(4):913-916.
[23]李霁野,邱柯妮.紫外光通信在军事通信系统中的应用[J].光学与光电技术,2005,3(4):19-21.
[24]张海良,贾红辉,常胜利,等.紫外光通信系统在火炮控制终端系统中的应用[C].全国光学测试学术讨论会.2004.
[25] MORIMOTO S. A Study of UV Communication Theory and Its Military Application[J]. National Defense Science&Technology,2010.
[26]范延伟.紫外光通信在军事通信系统中的应用探析[J].数字通信世界,2017,11:49.
[27] XU Z,DING H,SADLER B M,et al. Analytical performance study of solar blind non-line-of-sight ultraviolet short-range communication links[J]. Optics Letters,2008,33(16):1860.
[29] DING H,XU Z,SADLER B M. A Path Loss Model for Non-Line-of-Sight Ultraviolet Multiple Scattering Channels[J]. Eurasip Journal on Wireless Communications&Networking,2010,2010(1):1-12.
[28]何华,柯熙政,赵太飞.紫外光非视距单次散射链路模型的研究[J].光学学报,2010,30(11):3148-3152.
[30]KARAGIANNIDIS G K,ZOGAS D A,SAGIAS N C,et al.Multihop communications with fixed-gain relays over generalized fading channels[C].Global Telecommunications Conference,2004. GLOBECOM'04. IEEE. IEEE,2004:36-40Vol.1.
[31] VAVOULAS A,SANDALIDIS H,VAROUTAS D. Connectivity Issues for Ultraviolet UV-C Networks[J]. IEEE/OSA Journal of Optical Communications&Networking,2011,3(3):199-205.
[32] CHEN G,ABOUR-GALALA F,Xu Z,et al. Experimental evaluation of LED-based solar blind NLOS communication links[J]. Optics Express,2008,16(19):15059-68.