Error performance of terrestrial free space optical links with subcarrier time diversity

Wasiu O. Popoola; Zabih Ghassemlooy; Harald Haas; Erich Leitgeb; V. Ahmadi

doi:10.1049/iet-com.2011.0107

Error performance of terrestrial free space optical links with subcarrier time diversity

Wasiu O. Popoola, Zabih Ghassemlooy , Harald Haas, Erich Leitgeb, V. Ahmadi

Research output: Contribution to journal › Article › peer-review

Abstract

In this work, the performance of binary phase shift keying (BPSK) subcarrier intensity-modulated terrestrial free-space optical (FSO) communication link is analysed in the presence of noise and atmospheric turbulence. To ameliorate channel fading caused by the atmospheric turbulence, we propose a subcarrier time delay diversity (STDD) scheme in which the delayed versions of the original data are re-transmitted on different subcarriers. In short range links, a single re-transmission scheme results in an estimated gain of up to 4.5 dB in received irradiance.

Original language	English
Pages (from-to)	499 - 506
Number of pages	8
Journal	IET Communications
Volume	6
Issue number	5
DOIs	https://doi.org/10.1049/iet-com.2011.0107
Publication status	Published - Mar 2012

Keywords

binary phase shift keying
atmospheric turbulence

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10.1049/iet-com.2011.0107

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AU - Haas, Harald

AU - Leitgeb, Erich

AU - Ahmadi, V.

PY - 2012/3

Y1 - 2012/3

N2 - In this work, the performance of binary phase shift keying (BPSK) subcarrier intensity-modulated terrestrial free-space optical (FSO) communication link is analysed in the presence of noise and atmospheric turbulence. To ameliorate channel fading caused by the atmospheric turbulence, we propose a subcarrier time delay diversity (STDD) scheme in which the delayed versions of the original data are re-transmitted on different subcarriers. In short range links, a single re-transmission scheme results in an estimated gain of up to 4.5 dB in received irradiance.

AB - In this work, the performance of binary phase shift keying (BPSK) subcarrier intensity-modulated terrestrial free-space optical (FSO) communication link is analysed in the presence of noise and atmospheric turbulence. To ameliorate channel fading caused by the atmospheric turbulence, we propose a subcarrier time delay diversity (STDD) scheme in which the delayed versions of the original data are re-transmitted on different subcarriers. In short range links, a single re-transmission scheme results in an estimated gain of up to 4.5 dB in received irradiance.

KW - binary phase shift keying

KW - atmospheric turbulence

U2 - 10.1049/iet-com.2011.0107

DO - 10.1049/iet-com.2011.0107

M3 - Article

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SN - 1751-8628

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ER -

Error performance of terrestrial free space optical links with subcarrier time diversity

Abstract

Keywords

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