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Data predistortion for multicarrier satellite channels using orthogonal memory polynomials
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-2298-6774
2013 (English)In: IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC, 2013, 689-693 p.Conference paper, Published paper (Refereed)
Abstract [en]

Sharing the on-board high power amplifier among different uplinked carriers (links) is attractive since it provides for economical and sustainable satellite missions. However, the non-linear characteristic of the satellite amplifier introduces intermodulation products leading to Adjacent Channel Interference (ACI), thereby degrading performance, more so for the spectrally efficient modulations. Towards supporting higher order modulations, this work proposes a novel distortion mitigation technique at the transmitter (predistortion) based on orthogonal memory polynomials and highlights its salient features: performance improvement, scalability and low complexity.

Place, publisher, year, edition, pages
2013. 689-693 p.
Keyword [en]
Adjacent channel interference, Data predistortion, High power amplifier, Higher order modulation, Inter-modulation products, Mitigation techniques, Nonlinear characteristics, Satellite amplifiers
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-139014DOI: 10.1109/SPAWC.2013.6612138Scopus ID: 2-s2.0-84885756028ISBN: 9781467355773 (print)OAI: oai:DiVA.org:kth-139014DiVA: diva2:682117
Conference
2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013; Darmstadt; Germany; 16 June 2013 through 19 June 2013
Note

QC 20140204

Available from: 2013-12-23 Created: 2013-12-23 Last updated: 2014-02-04Bibliographically approved

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Ottersten, Björn

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Citation style
  • apa
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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