室内无线红外通信系统的研究与设计
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摘要
随着科学技术的发展与适合空间光通信应用的先进通信电子设备的研究技术基本成熟,无线光通信将成为下一代光通信的发展方向之一。在室内通信中,随着人们对传输速率和便捷性要求的日益增高,室内无线光通信亦将凸现出其愈发重要的地位。
本文在搜集与查阅大量的相关文献资料,学习了室内光通信的相关原理的基础上,对室内无线光通信系统的构架进行了详细描述,研究了室内无线光通信信道的特性,并通过Matlab软件对其进行了模拟仿真,然后在此基础上,提出了一种可以在定向可视通信和非定向可视通信之间转换的室内无线光通信结构,并实现了其结构设计。该种结构比一般的室内无线光链接结构有更好的灵活性,既能在发射机和接收机之间无障碍时保持高速率通信,又能在有障碍时保证通信的良好连通性,具有很大的实用价值。然后还对调制解调技术进行了描述,并对传输过程中的背景光噪声问题进行了简要阐述。最后通过SystemView仿真软件对点对点的室内无线光通信系统进行了模块仿真。
Along with the development of the technology and the age of research of advanced communicate electronic facility adapt to space optical communication, wireless optical communication will turn into one of developed aspect of the next generation. With peoples' increasing requirement for the rate and convenience of indoor communications, indoor wireless optical communications will be more and more important.This paper describes the indoor wireless optical communication system particularly after collect and refer to abundance literature information, learning correlated principle of indoor wirelss opitical communication. Studies the channel characteristics, and simulates them with Matlab. Based on that, a new system structure of indoor wireless optical communications is advanced. This system can be trsformed from Directed LOS communication to Non-directed LOS communication. When there is an abstacle between transmitter and receiver, this system can keep communicating with high rate;and when there is no abstacle, it can keep communicating with a good connectivity. Compared to the normal indoor wireless optical communication system, this new system is agilitier and more valuable. Then, modulation—demodulation and how to restrain the noise are simply described. At last, a simulation for indoor wireless optical point to point communications is completed with using SystemView.
本文在搜集与查阅大量的相关文献资料,学习了室内光通信的相关原理的基础上,对室内无线光通信系统的构架进行了详细描述,研究了室内无线光通信信道的特性,并通过Matlab软件对其进行了模拟仿真,然后在此基础上,提出了一种可以在定向可视通信和非定向可视通信之间转换的室内无线光通信结构,并实现了其结构设计。该种结构比一般的室内无线光链接结构有更好的灵活性,既能在发射机和接收机之间无障碍时保持高速率通信,又能在有障碍时保证通信的良好连通性,具有很大的实用价值。然后还对调制解调技术进行了描述,并对传输过程中的背景光噪声问题进行了简要阐述。最后通过SystemView仿真软件对点对点的室内无线光通信系统进行了模块仿真。
Along with the development of the technology and the age of research of advanced communicate electronic facility adapt to space optical communication, wireless optical communication will turn into one of developed aspect of the next generation. With peoples' increasing requirement for the rate and convenience of indoor communications, indoor wireless optical communications will be more and more important.This paper describes the indoor wireless optical communication system particularly after collect and refer to abundance literature information, learning correlated principle of indoor wirelss opitical communication. Studies the channel characteristics, and simulates them with Matlab. Based on that, a new system structure of indoor wireless optical communications is advanced. This system can be trsformed from Directed LOS communication to Non-directed LOS communication. When there is an abstacle between transmitter and receiver, this system can keep communicating with high rate;and when there is no abstacle, it can keep communicating with a good connectivity. Compared to the normal indoor wireless optical communication system, this new system is agilitier and more valuable. Then, modulation—demodulation and how to restrain the noise are simply described. At last, a simulation for indoor wireless optical point to point communications is completed with using SystemView.
引文
[1] J. M. Kahn and J. R. Barry, "Wireless infrared communications," Proc. IEEE, vol. 85, pp. 265-298, Feb. 1997.
[2] D. Heatley, D. Wisely, I. Neild, andP. Cochrane, "Optical wireless: The story so far," IEEE Commun. Mag., pp. 72-82, Dec. 1998.
[3] Infrared Data Association [Online]. Available: http://www.irda.org
[4] Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, 1997. IEEE 802.11 Standard Working Group.
[5] Z. Ghassemlooy, A R Hayes, Indoor Optical Wireless Communication Systems-Part Ⅰ: Review, 2003.
[6] J. M. Kahn, W. J. Krause and J. B. Carruthers, Experimental characterization of nondirected indoor infrared channels [J]. IEEE Transactions on Communications, vol. 43, no. 2/3/4, pp. 1613-1623, February/March/April 1995.
[7] T. H. Tsaur, K. C. Chen, C. Lien, M. T. Shih and C. P. J. Tzeng, "A nondirective infrared transceiver for indoor high speed wireless data communication," IEEE Transactions on Consumer Electronics, vol. 40, no. 1, pp. 20-27, February 1994.
[8] J. R. Barry and J. M. Kahn, "Design of non-directed infrared links for high-speed wireless networks," in Proceedings of the 7th Annual Meeting of the IEEE Lasers and Electro-Optic Society, Boston, U. S. A., 31 October-3 November 1994.
[9] G. W. Marsh and J. M. Kahn, "50-Mb/s diffuse infrared free-space link using on-off keying with decision feedback equalisation," IEEE Photonics Technology Letters, vol. 6, no. 10, pp. 1268-1270, October 1994.
[10] G. W. Marsh and J. M. Kahn, "Performance evaluation of experimental 50-Mb/s diffuse infrared wireless link using on-off keying with decision-feedback equalisation," IEEE Transactions on Communications, vol. 44, no. 11, pp. 1496-1504, November 1996.
[11] D. Roviras, M. Lescure, R. Bensalah and T. Bosch, "Wireless infrared factory network for hand-held terminals," European Transactions on Telecommunications, vol. 6, no. 2, pp. 207-217, March/April 1995.
[12] A. M. R. Tavares, A. J. C. Moreira, C. R. A. T. Lomba, L. M. V. Moreira, R. J. M. T. Valadas and A. M. de Oliveira Duarte, "Experimental results of a lMbps IR transceiver for indoor wireless local area networks, " in 5th International Conference on Advances in Communication and Control, Crete, Greece, 26-30 June 1995, pp. 717-727.
[13] R. Valadas, A. Moreira, C. Oliveira, L. Moreira, C. Lomba, A. Tavares and A. M. de Oliveira Duarte, "Experimental results of a pulse position modulation infrared transceiver, " in Proceedings of the 7th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Taipei, Taiwan, 15-18 October 1996, pp. 252-256.
[14] P. Nicholls, R. T. Unwin and K. T. Dalton, "A 10 MB/s optical wireless Ethernet-practical results, " in Proceedings of SPIE Conference on Wireless Data Transmission, Philadelphia, U. S. A., 23-25 October 1995, vol. 2601, pp. 294-304.
[15] D. C. Lee and J. M. Kahn, "Experimental 25-Mb/s wireless infrared link using 4-PPM with scalar decision-feedback equalization, " in Proceedings of IEEE International Conference on Communications, Atlanta, U. S. A., 7-11 June 1998, pp. 26-30.
[16] F. R. Gfeller and U. H. Bapst, "Wireless in-house data communication via diffuse infrared radiation, " Proceedings of the IEEE, vol. 67, no. 11, pp. 1474-1486, November 1979.
[17] T. Minami, K. Yano, and T. Touge, "Optical Wireless Moderm for Office Communication, " National Computer Conference, pp. 721-728, 1983.
[18] Y. Nakata, J. Kashio, T. Kojima, and T. Noguchi, "In-house Wireless Communication System Using Infrared Radiation, " ICCC, pp. 333-337, 1985.
[19] O. Takahashi and T. Touge, "Optical Wireless Network for Office Communication", JARECT, vol. 20, pp. 217-228, 1985/1986.
[20] G. Yen and T. D. Crawford, "The use of directed optical beams in wireless computer communications" , IEEE GLOBECOM, pp. 1181-1184, 1985.
[21] M. D. Kotzin and A. P. van den Heuvel "A duplex infrared system for in-building communications, " IEEE VTC, pp. 179-185, 1986.
[22] T. S. Chu and M. J. Gans, "High Speed Infrared Local Wireless communication, " IEEE Communications Magazine, vol. 25, no. 8, pp. 4-10, 1987.
[23] T. Fuji and Y. Kikkawa, "Optical Space Transmission Module, " Nat' 1 Tech. Report, vol. 34, no. 1, pp. 101-106, 1988.
[24] A. M. Street, P. N. Stavrinou, D. C. O' Brien, D. J. Edwards, "Indoor optical wireless systems-a review, " Optical and Quantum Electron. No. 29, pp. 349-378, 1997.
[25] G. W. Marsh, and J. M. Kahn, "50Mh/s Diffuse Infrared Free-Space Link Using On-Off Keying with Decision Feedback Equalization, " IEEE Photonics Tech. Letters, vol. 6, no. 10, pp. 1268-1270, Oct. 1994.
[26] R. Ramirez-Iniguez and R. J. Green, Fiee, "INDOOR OPTICAL WIRELESS COMMUNICATIONS", The Institution of Electical Engineers, 1999.
[27] JVC VIPSLAN-10, JVC Professional Products (UK) Ltd., London. Oct 13, 1998 http://www. jvcpro. co. uk/news.
[28] Spectrix Wireless Network, Technical Overview, Spectrix Corporation, 30 November 2000, http://www. spectrixcorp. com/techoverview. pdf.
[29] 声学研资讯,2003年第8期,第2版.深圳清华大学研究生院.
[30] http://www. kj. zjg. gov. cn/Article_Show. asp?ArticleID=325.
[31] J M Kahn, W J Krause, J B Carruthers, "Experimental characterization of nondirected indoor infrared channels" , IEEE Trans. Commun, Feb/Mar/Apr 1995, Vol. 43, No2/3/4, 1613～1623.
[32] Homayoun Hashemi, "Impulse Response Modeling of Indoor Radio Propagation Channels" , IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 11. NO. 7 SEPTEMBER 1993.
[33] A. Sivabalan and J. John, "Modeling and Simulation of Indoor Optical Wireless Channels: A Review", IEEE, 2003.
[34] Jeffrey B. Carruthers, Prasanna Kannan, "Iterative Site-Based Modeling for Wireless Infrared Channels", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 50, NO. 5, MAY 2002.
[35] http://www. coeri. com/
[36] 杨文浚,“高码率室内无线红外漫射通信的仿真和实现”,电子科技大学,硕士 2003.
[37] 罗卫兵 孙桦 张捷 编著,SystemView动态系统分析及通信系统仿真设计,电子科技大学出版社,2001年第1版.
[2] D. Heatley, D. Wisely, I. Neild, andP. Cochrane, "Optical wireless: The story so far," IEEE Commun. Mag., pp. 72-82, Dec. 1998.
[3] Infrared Data Association [Online]. Available: http://www.irda.org
[4] Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, 1997. IEEE 802.11 Standard Working Group.
[5] Z. Ghassemlooy, A R Hayes, Indoor Optical Wireless Communication Systems-Part Ⅰ: Review, 2003.
[6] J. M. Kahn, W. J. Krause and J. B. Carruthers, Experimental characterization of nondirected indoor infrared channels [J]. IEEE Transactions on Communications, vol. 43, no. 2/3/4, pp. 1613-1623, February/March/April 1995.
[7] T. H. Tsaur, K. C. Chen, C. Lien, M. T. Shih and C. P. J. Tzeng, "A nondirective infrared transceiver for indoor high speed wireless data communication," IEEE Transactions on Consumer Electronics, vol. 40, no. 1, pp. 20-27, February 1994.
[8] J. R. Barry and J. M. Kahn, "Design of non-directed infrared links for high-speed wireless networks," in Proceedings of the 7th Annual Meeting of the IEEE Lasers and Electro-Optic Society, Boston, U. S. A., 31 October-3 November 1994.
[9] G. W. Marsh and J. M. Kahn, "50-Mb/s diffuse infrared free-space link using on-off keying with decision feedback equalisation," IEEE Photonics Technology Letters, vol. 6, no. 10, pp. 1268-1270, October 1994.
[10] G. W. Marsh and J. M. Kahn, "Performance evaluation of experimental 50-Mb/s diffuse infrared wireless link using on-off keying with decision-feedback equalisation," IEEE Transactions on Communications, vol. 44, no. 11, pp. 1496-1504, November 1996.
[11] D. Roviras, M. Lescure, R. Bensalah and T. Bosch, "Wireless infrared factory network for hand-held terminals," European Transactions on Telecommunications, vol. 6, no. 2, pp. 207-217, March/April 1995.
[12] A. M. R. Tavares, A. J. C. Moreira, C. R. A. T. Lomba, L. M. V. Moreira, R. J. M. T. Valadas and A. M. de Oliveira Duarte, "Experimental results of a lMbps IR transceiver for indoor wireless local area networks, " in 5th International Conference on Advances in Communication and Control, Crete, Greece, 26-30 June 1995, pp. 717-727.
[13] R. Valadas, A. Moreira, C. Oliveira, L. Moreira, C. Lomba, A. Tavares and A. M. de Oliveira Duarte, "Experimental results of a pulse position modulation infrared transceiver, " in Proceedings of the 7th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Taipei, Taiwan, 15-18 October 1996, pp. 252-256.
[14] P. Nicholls, R. T. Unwin and K. T. Dalton, "A 10 MB/s optical wireless Ethernet-practical results, " in Proceedings of SPIE Conference on Wireless Data Transmission, Philadelphia, U. S. A., 23-25 October 1995, vol. 2601, pp. 294-304.
[15] D. C. Lee and J. M. Kahn, "Experimental 25-Mb/s wireless infrared link using 4-PPM with scalar decision-feedback equalization, " in Proceedings of IEEE International Conference on Communications, Atlanta, U. S. A., 7-11 June 1998, pp. 26-30.
[16] F. R. Gfeller and U. H. Bapst, "Wireless in-house data communication via diffuse infrared radiation, " Proceedings of the IEEE, vol. 67, no. 11, pp. 1474-1486, November 1979.
[17] T. Minami, K. Yano, and T. Touge, "Optical Wireless Moderm for Office Communication, " National Computer Conference, pp. 721-728, 1983.
[18] Y. Nakata, J. Kashio, T. Kojima, and T. Noguchi, "In-house Wireless Communication System Using Infrared Radiation, " ICCC, pp. 333-337, 1985.
[19] O. Takahashi and T. Touge, "Optical Wireless Network for Office Communication", JARECT, vol. 20, pp. 217-228, 1985/1986.
[20] G. Yen and T. D. Crawford, "The use of directed optical beams in wireless computer communications" , IEEE GLOBECOM, pp. 1181-1184, 1985.
[21] M. D. Kotzin and A. P. van den Heuvel "A duplex infrared system for in-building communications, " IEEE VTC, pp. 179-185, 1986.
[22] T. S. Chu and M. J. Gans, "High Speed Infrared Local Wireless communication, " IEEE Communications Magazine, vol. 25, no. 8, pp. 4-10, 1987.
[23] T. Fuji and Y. Kikkawa, "Optical Space Transmission Module, " Nat' 1 Tech. Report, vol. 34, no. 1, pp. 101-106, 1988.
[24] A. M. Street, P. N. Stavrinou, D. C. O' Brien, D. J. Edwards, "Indoor optical wireless systems-a review, " Optical and Quantum Electron. No. 29, pp. 349-378, 1997.
[25] G. W. Marsh, and J. M. Kahn, "50Mh/s Diffuse Infrared Free-Space Link Using On-Off Keying with Decision Feedback Equalization, " IEEE Photonics Tech. Letters, vol. 6, no. 10, pp. 1268-1270, Oct. 1994.
[26] R. Ramirez-Iniguez and R. J. Green, Fiee, "INDOOR OPTICAL WIRELESS COMMUNICATIONS", The Institution of Electical Engineers, 1999.
[27] JVC VIPSLAN-10, JVC Professional Products (UK) Ltd., London. Oct 13, 1998 http://www. jvcpro. co. uk/news.
[28] Spectrix Wireless Network, Technical Overview, Spectrix Corporation, 30 November 2000, http://www. spectrixcorp. com/techoverview. pdf.
[29] 声学研资讯,2003年第8期,第2版.深圳清华大学研究生院.
[30] http://www. kj. zjg. gov. cn/Article_Show. asp?ArticleID=325.
[31] J M Kahn, W J Krause, J B Carruthers, "Experimental characterization of nondirected indoor infrared channels" , IEEE Trans. Commun, Feb/Mar/Apr 1995, Vol. 43, No2/3/4, 1613～1623.
[32] Homayoun Hashemi, "Impulse Response Modeling of Indoor Radio Propagation Channels" , IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 11. NO. 7 SEPTEMBER 1993.
[33] A. Sivabalan and J. John, "Modeling and Simulation of Indoor Optical Wireless Channels: A Review", IEEE, 2003.
[34] Jeffrey B. Carruthers, Prasanna Kannan, "Iterative Site-Based Modeling for Wireless Infrared Channels", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 50, NO. 5, MAY 2002.
[35] http://www. coeri. com/
[36] 杨文浚,“高码率室内无线红外漫射通信的仿真和实现”,电子科技大学,硕士 2003.
[37] 罗卫兵 孙桦 张捷 编著,SystemView动态系统分析及通信系统仿真设计,电子科技大学出版社,2001年第1版.
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