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Intradyne Signal Recovery and Equalization for Optical Satellite Links
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

An optical communication system employing intradyne reception withoffline digital signal processing for a geostationary satellite communicationscenario is presented. The digital signal processing is improvedvia the implementation and comparison of several timing recovery algorithms,and the inclusion of an equalization stage. The system istested over a 10.45 km link through the atmosphere, in which 40 Gbit/stransmission using binary phase shift keying in the optical C-band isdemonstrated. Results show that the system’s performance in the fieldclosely matches back-to-back measurements. Simultaneous channelmeasurements show that turbulence in the atmospheric channel representsa worst-case scenario for a geostationary satellite uplink.

Abstract [sv]

Häri presenteras ett optiskt kommunikationssystem för en satellit igeostationär bana som använder intradyn mottagning med nedkoppladdigital signalbehandling. Flertalet algoritmer för timing recoveryimplementeras och jämförs för att tillsammans med ett utjämnare förbättraden digitala signalbehandlingen. Systemet testas genom att sändaen 40 Gbit/s sändning med binära fasskiften i det optiska C-bandetpå en 10,45 km lång länk genom atmosfären. Fältmätningarna stämmerväl överens med systemets resultat i back-to-back mätningar. Simultanamätningar på kanalen visar att turbulens i atmosfärskanalenger ett värsta scenario för upplänkning till en geostationär satellit.

Place, publisher, year, edition, pages
2017. , p. 91
Series
TRITA-EE, ISSN 1653-5146 ; 2017:124
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-215133OAI: oai:DiVA.org:kth-215133DiVA, id: diva2:1146550
External cooperation
DLR
Educational program
Master of Science - Electrophysics
Available from: 2017-10-03 Created: 2017-10-03 Last updated: 2017-10-03Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • de-DE
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More languages
Output format
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