Abstract

The transmission of a free-space optical (FSO) beam through the atmosphere is influenced by several factors: chief among them are weather conditions such as fog, rain, and snow. In the design of FSO communication systems, it is necessary to determine the weather dependence of the system and derive a relation between the weather parameters and performance of the FSO communication systems. From our experiments, we have established that the link-operating rate, which is an important parameter for overall FSO-communication-system performance, cannot be estimated using the cumulative-distribution probability of the visibility data. A technique of estimating short-term FSO-link performance characteristics is required. Using this approach, a method for approximating an FSO link-operating rate is proposed for the western Kanto area in Japan, where the link-performance deterioration is mostly a result of rain. The method is based on the analysis of short-term recorded rain intensity and visibility data. The estimated FSO link-operating rate is shown to have a good conformance with the experimental measured result.

© 2007 IEEE

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References

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  18. J. S. Marshall, W. M. K. Palmer, "The distribution of raindrops with size," J. Meteorol. 5, 165-166 (1948).
  19. The Guideline for Introduce of Outdoor Free-Space Optical Communication Systems Infrared Commun. Syst. Assoc.TokyoJapan (2001) http://www.icsa.gr.jp/activity/index_07_03_01.htm.
  20. F. Minematsu, "Analysis of rainfall characteristics in Japan for developing satellite broadcasting system in the 21-GHz band," NHK STRL R&D 5, 4 (2004).

2004 (2)

D. Kedar, S. Arnon, "Urban optical wireless communication networks: The main challenges and possible solutions ," IEEE Commun. Mag. 42, S2-S7 (2004).

F. Minematsu, "Analysis of rainfall characteristics in Japan for developing satellite broadcasting system in the 21-GHz band," NHK STRL R&D 5, 4 (2004).

2003 (1)

K. Wakamori, "Study of laser transmission characteristics through the atmosphere for the free-space optical communication systems," Tech. Rep. IEICE 103, 143-148 (2003).

2002 (1)

Y. Aburakawa, T. Otsu, "Experimental evaluation of 800-nm band optical wireless link for radio access network ," IEICE Trans. Electron. E86-C, 1175-1183 (2002).

2001 (2)

R. M. Pierce, "Optical attenuation in fog and clouds," Proc. SPIE 4530, 58-71 (2001).

H. A. Willebrand, B. S. Ghuman, "Fiber optics without fiber," IEEE Spectr. 38, 40-45 (2001).

1971 (1)

K. Morita, I. Higuchi, "Statistical studies on electromagnetic wave attenuation due to rain," Rev. Electr. Commun. Lab. (Japan) 19, 798-842 (1971).

1970 (1)

R. S. Lawrence, J. W. Strohbehn, "A survey of clear-air propagation effects relevant to optical communications," Proc. IEEE 58, 1523-1545 (1970).

1969 (1)

K. Morita, F. Yoshida, "Light wave attenuation characteristics in propagation through the atmosphere," Rev. Electr. Commun. Lab. (Japan) 18, 1165 (1969).

1968 (1)

K. Funakawa, "Atmospheric propagation of laser waves," IEICE 51, 503-510 (1968).

1948 (1)

J. S. Marshall, W. M. K. Palmer, "The distribution of raindrops with size," J. Meteorol. 5, 165-166 (1948).

IEEE Commun. Mag. (1)

D. Kedar, S. Arnon, "Urban optical wireless communication networks: The main challenges and possible solutions ," IEEE Commun. Mag. 42, S2-S7 (2004).

IEEE Spectr. (1)

H. A. Willebrand, B. S. Ghuman, "Fiber optics without fiber," IEEE Spectr. 38, 40-45 (2001).

IEICE (1)

K. Funakawa, "Atmospheric propagation of laser waves," IEICE 51, 503-510 (1968).

IEICE Trans. Electron. (1)

Y. Aburakawa, T. Otsu, "Experimental evaluation of 800-nm band optical wireless link for radio access network ," IEICE Trans. Electron. E86-C, 1175-1183 (2002).

J. Meteorol. (1)

J. S. Marshall, W. M. K. Palmer, "The distribution of raindrops with size," J. Meteorol. 5, 165-166 (1948).

NHK STRL R&D (1)

F. Minematsu, "Analysis of rainfall characteristics in Japan for developing satellite broadcasting system in the 21-GHz band," NHK STRL R&D 5, 4 (2004).

Proc. IEEE (1)

R. S. Lawrence, J. W. Strohbehn, "A survey of clear-air propagation effects relevant to optical communications," Proc. IEEE 58, 1523-1545 (1970).

Proc. SPIE (1)

R. M. Pierce, "Optical attenuation in fog and clouds," Proc. SPIE 4530, 58-71 (2001).

Rev. Electr. Commun. Lab. (Japan) (2)

K. Morita, F. Yoshida, "Light wave attenuation characteristics in propagation through the atmosphere," Rev. Electr. Commun. Lab. (Japan) 18, 1165 (1969).

K. Morita, I. Higuchi, "Statistical studies on electromagnetic wave attenuation due to rain," Rev. Electr. Commun. Lab. (Japan) 19, 798-842 (1971).

Tech. Rep. IEICE (1)

K. Wakamori, "Study of laser transmission characteristics through the atmosphere for the free-space optical communication systems," Tech. Rep. IEICE 103, 143-148 (2003).

Other (9)

http://www2.nict.go.jp/q/q265/sample/school/school_index.html.

http://www.jiten.com/dicmi/docs/k14/18322s.htm.

Infrared Communication Systems Association http://www.icsa.gr.jp/images/pdf/011121_04hama.pdf.

Ministry of Internal Affairs and Communications http://www.soumu.go.jp/menu_02/ict/u-japan_en/new_outline01.html.

J. T. Ong, K. I. Timothy, J. H. Chong, S. V. B. Rao, "Heavy rain effects on the propagation of free space optical links in Singapore," Proc. 12th ICAP (2003) pp. 365-368.

The Guideline for Introduce of Outdoor Free-Space Optical Communication Systems Infrared Commun. Syst. Assoc.TokyoJapan (2001) http://www.icsa.gr.jp/activity/index_07_03_01.htm.

S. Bloom, The Physics of Free Space Optics http://www.freespaceoptic.com/WhitePapers/Physics%20of%20Free-space%20Optics.pdf .

K. Wakamori, "155-Mbps ATM backbone for an interbuilding intranet using an optical wireless system ," Proc. 10th Int. Symp. Pers., Indoor, Mobile Radio Commun. (1999) pp. 85-90.

K. Wakamori, "Regional broadband network by optical wireless system," Proc. Asia-Pacific Radio Sci. Conf. (2001) pp. D4-1-02.

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