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Multicarrier digital pre-distortion/ equalization techniques for non-linear satellite channels
University of Luxembourg.
University of Luxembourg.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences. (ATM)ORCID iD: 0000-0001-8460-6509
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.ORCID iD: 0000-0003-2887-049X
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2012 (English)In: 30th AIAA International Communications Satellite Systems Conference (ICSSC), 2012Conference paper, Published paper (Refereed)
Abstract [en]

Two key advances are envisaged for future missions: (a) spectrally efficient transmission to meet the increasing demand and (b) sharing of satellite capacity among different links to meet power/massrequirements.Joint amplification of multiple-carrier DVB-S2 signals using a single High-Power Amplifier (HPA) is a particular application of satellite resource sharing. However, effects specific tosuch a scenariothat degrade power and spectral efficiencies include (a) an increased Adjacent Channel Interference caused by non-linear characteristic ofthe HPA and (b)increased peak to average power ratio. The paper studies signal processing techniques –digital pre-distortion (DPD) at the gateway and equalization (EQ) at the User Terminal–to mitigate the non-linear effects and improve power as well as spectral efficiencies.While the algorithms for DPD and EQ are described in literature, their use in multi-carrier scenario is novel and poses new challenges that are investigated in the paper.

Place, publisher, year, edition, pages
2012.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-15986DOI: 10.2514/6.2012-15156Scopus ID: 2-s2.0-84983437856OAI: oai:DiVA.org:hig-15986DiVA: diva2:686326
Conference
30th AIAA International Communications Satellite Systems Conference (ICSSC), Ottawa, Canada, September 24-27, 2012
Available from: 2014-01-11 Created: 2014-01-11 Last updated: 2017-04-10Bibliographically approved

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Zenteno, EfrainRönnow, Daniel
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