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ERROR PROBABILITY ANALYSIS OF FREE-SPACE OPTICAL LINKS WITH DIFFERENT CHANNEL MODEL UNDER TURBULENT CONDITION

ISSN:0975-3826
Journal from gdlhub / 2017-08-14 11:52:34
Oleh : Bobby Barua#1, Tanzia Afrin Haque#2 and Md. Rezwan Islam#2, International Journal of Computer Science & Information Technology
Dibuat : 2012-07-02, dengan 1 file

Keyword : Free Space Optics (FSO), pulse position modulation (PPM), probability of density function (PDF), bit error rate (BER), symbol energy.
Subjek : ERROR PROBABILITY ANALYSIS OF FREE-SPACE OPTICAL LINKS WITH DIFFERENT CHANNEL MODEL UNDER TURBULENT CONDITION
Url : http://airccse.org/journal/jcsit/0212csit19.pdf
Sumber pengambilan dokumen : Internet

Free space optics (FSO) is a promising solution for the need to very high data rate point-to point


communication. FSO communication technology became popular due to its large bandwidth potential,


unlicensed spectrum, excellent security and quick and inexpensive setup. Unfortunately, atmospheric


turbulence-induced fading is one of the main impairments affecting FSO communications. To design a


high performance communication link for the atmospheric FSO channel, it is of great importance to


characterize the channel with proper model. In this paper, the modulation format is Q-ary PPM across


lasers, with intensity modulation and ideal photodetectors are assumed to investigate the most efficient


PDF models for FSO communication under turbulent condition. The performance results are evaluated


in terms of symbol error probability (SEP) for different type of channel model and the simulation results


confirm the analytical findings.

Deskripsi Alternatif :

Free space optics (FSO) is a promising solution for the need to very high data rate point-to point


communication. FSO communication technology became popular due to its large bandwidth potential,


unlicensed spectrum, excellent security and quick and inexpensive setup. Unfortunately, atmospheric


turbulence-induced fading is one of the main impairments affecting FSO communications. To design a


high performance communication link for the atmospheric FSO channel, it is of great importance to


characterize the channel with proper model. In this paper, the modulation format is Q-ary PPM across


lasers, with intensity modulation and ideal photodetectors are assumed to investigate the most efficient


PDF models for FSO communication under turbulent condition. The performance results are evaluated


in terms of symbol error probability (SEP) for different type of channel model and the simulation results


confirm the analytical findings.

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