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Development of a Broadband and Squint-Free Ku-Band Phased Array Antenna System for Airborne Satellite Communications
RISE, Swedish ICT, Acreo.
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2011 (English)In: Future Aeronautical Communications, Edited by Simon Plass, Chapter 10, 2011Chapter in book (Other academic)
Abstract [en]

Future Aeronautical Communications, Edited by Simon Plass, Chapter 10: Development of a Broadband and Squint-Free Ku-Band Phased Array Antenna System for Airborne Satellite Communications

Novel avionic communication systems are required for various purposes, for example to increase the flight safety and operational integrity as well as to enhance the quality of service to passengers on board. To serve these purposes, a key technology that is essential to be developed is an antenna system that can provide broadband connectivity within aircraft cabins at an affordable price. Currently, in the European Commission (EC) 7th Framework Programme SANDRA project (SANDRA, 2011), a development of such an antenna system is being carried out. The system is an electronically-steered phased-array antenna (PAA) with a low aerodynamic profile. The reception of digital video broadcasting by satellite (DVB-S) signal which is in the frequency range of 10.7-12.75 GHz (Ku-band) is being considered. In order to ensure the quality of service provided to the passengers, the developed antenna should be able to receive the entire DVB-S band at once while complying with the requirements of the DVB-S system (Morello & Mignone, 2006). These requirements, as will be explained later, dictate a broadband antenna system where the beam is squint-free, i.e. no variation of beam pointing direction for all the frequencies in the desired band. Additionally, to track the satellite, the seamless tunability of the beam pointing direction of this antenna is also required. In this work, a concept of optical beamforming (Riza & Thompson, 1997) is implemented to provide a squint-free beam over the entire Ku-band for all the desired pointing directions. The optical beamformer itself consists of continuously tunable optical delay lines that enable seamless tunability of the beam pointing direction.

Place, publisher, year, edition, pages
2011.
Keywords [en]
antenna design, design and simulation, components, Electronic circuits and systems, integration, electronic integration, High frequency, electronic packaging, component, electroabsorption modulators
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-24581ISBN: 978-953-307-625-6 (print)OAI: oai:DiVA.org:ri-24581DiVA, id: diva2:1133269
Conference
Thursday, August 22, 2013
Available from: 2018-03-06 Created: 2016-10-31 Last updated: 2018-03-06Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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  • nn-NB
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  • Other locale
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Output format
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