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Cover: 9783659103582 | Free-Space Optical Communication Systems in Turbulent Channels | Buch
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Free-Space Optical Communication Systems in Turbulent Channels
Wireless Optical Communications
Taschenbuch von Mohammed R. Abaza (u. a.)
Sprache: Englisch

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Beschreibung
The atmospheric turbulence effect on free-space optical (FSO) communications is one of the biggest problems that face FSO systems. Atmospheric turbulence is the fluctuations of the signal due to the changing of refractive index which results from those air particles which are not homogonous and are affected by temperature, pressure, altitude and wind. In this book, different proposed modulation and forward error techniques are applied to decrease the severe effect on bit error rates due to atmospheric turbulence. Two channels models of atmospheric turbulence are used: log-normal channel which represents small distances (i.e. less than 100 m) and negative-exponential channel which represents long distances up to several kilometers. The obtained results demonstrated the superior performance of avalanche photodiode over positive-intrinsic-negative (PIN) receivers with the use of concatenated Reed Solomon codes. Further, it is found that, forward error correction upgrades uncoded FSO to gain a working-distance advantage of a few kilometers.
The atmospheric turbulence effect on free-space optical (FSO) communications is one of the biggest problems that face FSO systems. Atmospheric turbulence is the fluctuations of the signal due to the changing of refractive index which results from those air particles which are not homogonous and are affected by temperature, pressure, altitude and wind. In this book, different proposed modulation and forward error techniques are applied to decrease the severe effect on bit error rates due to atmospheric turbulence. Two channels models of atmospheric turbulence are used: log-normal channel which represents small distances (i.e. less than 100 m) and negative-exponential channel which represents long distances up to several kilometers. The obtained results demonstrated the superior performance of avalanche photodiode over positive-intrinsic-negative (PIN) receivers with the use of concatenated Reed Solomon codes. Further, it is found that, forward error correction upgrades uncoded FSO to gain a working-distance advantage of a few kilometers.
Über den Autor
Mohammed R. Abaza was born in 1987. He received the BSc degree in Electronics and Communications Engineering from College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport, Egypt in 2009. He received his MSc degree in 2012 in Electronics and Communications Engineering from the same college.
Details
Erscheinungsjahr: 2012
Fachbereich: Nachrichtentechnik
Genre: Mathematik, Medizin, Naturwissenschaften, Technik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Inhalt: 84 S.
ISBN-13: 9783659103582
ISBN-10: 3659103586
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: R. Abaza, Mohammed
Azzam, Nazmi
Aly, Moustafa
Hersteller: LAP LAMBERT Academic Publishing
Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, D-22848 Norderstedt, info@bod.de
Maße: 220 x 150 x 6 mm
Von/Mit: Mohammed R. Abaza (u. a.)
Erscheinungsdatum: 30.04.2012
Gewicht: 0,143 kg
Artikel-ID: 106481425
Über den Autor
Mohammed R. Abaza was born in 1987. He received the BSc degree in Electronics and Communications Engineering from College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport, Egypt in 2009. He received his MSc degree in 2012 in Electronics and Communications Engineering from the same college.
Details
Erscheinungsjahr: 2012
Fachbereich: Nachrichtentechnik
Genre: Mathematik, Medizin, Naturwissenschaften, Technik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Inhalt: 84 S.
ISBN-13: 9783659103582
ISBN-10: 3659103586
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: R. Abaza, Mohammed
Azzam, Nazmi
Aly, Moustafa
Hersteller: LAP LAMBERT Academic Publishing
Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, D-22848 Norderstedt, info@bod.de
Maße: 220 x 150 x 6 mm
Von/Mit: Mohammed R. Abaza (u. a.)
Erscheinungsdatum: 30.04.2012
Gewicht: 0,143 kg
Artikel-ID: 106481425
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