Predistortion for Wideband Nonlinear Satellite Downlinks

In this letter, an efficient predistortion scheme is proposed to compensate imperfections in a satellite channel due to the nonlinear power amplifier and the output channel filter. The predistorter is a Wiener system consisting of the linear and nonlinear components, which are trained independently....

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Published inIEEE communications letters Vol. 21; no. 9; pp. 1985 - 1988
Main Authors Layton, Kelvin J., Mehboob, Azam, Akhlaq, Assad, Bagaglini, Flaviano, Cowley, William G., Lechner, Gottfried
Format Journal Article
LanguageEnglish
Published IEEE 01.09.2017
Subjects
Computational modeling
Data models
digital predistortion
equalization
Iterative methods
Nonlinear distortion
Nonlinear satellite channels
OMUX filter
Predistortion
Satellites
Volterra series
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Abstract In this letter, an efficient predistortion scheme is proposed to compensate imperfections in a satellite channel due to the nonlinear power amplifier and the output channel filter. The predistorter is a Wiener system consisting of the linear and nonlinear components, which are trained independently. The predistorter is well suited to systems where the data bits are generated onboard the satellite. The proposed setup effectively compensates the distortions and has lower complexity compared with other strategies.
AbstractList In this letter, an efficient predistortion scheme is proposed to compensate imperfections in a satellite channel due to the nonlinear power amplifier and the output channel filter. The predistorter is a Wiener system consisting of the linear and nonlinear components, which are trained independently. The predistorter is well suited to systems where the data bits are generated onboard the satellite. The proposed setup effectively compensates the distortions and has lower complexity compared with other strategies.
Author Lechner, Gottfried
Akhlaq, Assad
Cowley, William G.
Layton, Kelvin J.
Mehboob, Azam
Bagaglini, Flaviano
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CitedBy_id crossref_primary_10_1109_TCSII_2022_3181785
crossref_primary_10_1109_LCOMM_2019_2943318
crossref_primary_10_1109_LWC_2019_2952124
crossref_primary_10_1002_sat_1474
crossref_primary_10_3390_electronics9010123
crossref_primary_10_3390_electronics8121396
crossref_primary_10_1007_s00034_019_01219_6
Cites_doi 10.1109/TCOMM.2016.2539252
10.1049/el:20010940
10.1109/78.552219
10.1002/9781119004424
10.1109/26.44196
10.1109/TIE.2013.2270217
10.1109/LMWC.2009.2024848
10.1109/TMTT.2005.857105
10.1002/sat.1106
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References ref12
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ref4
tikhonov (ref10) 1997
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ref11
ref5
ref2
ghorbani (ref8) 1991
ref1
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  ident: ref10
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– ident: ref12
  doi: 10.1109/26.44196
– year: 2012
  ident: ref7
  article-title: Flexible advanced coding and modulation scheme for high rate telemetry applications
  publication-title: The Consultative Committee for Space Data Systems
– start-page: 193
  year: 1991
  ident: ref8
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  publication-title: Proc 6th Int Conf Digit Process Signals Commun
  contributor:
    fullname: ghorbani
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  doi: 10.1109/TIE.2013.2270217
– ident: ref4
  doi: 10.1109/LMWC.2009.2024848
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  doi: 10.1109/TMTT.2005.857105
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  doi: 10.1002/sat.1106
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Snippet In this letter, an efficient predistortion scheme is proposed to compensate imperfections in a satellite channel due to the nonlinear power amplifier and the...
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StartPage 1985
SubjectTerms Computational modeling
Data models
digital predistortion
equalization
Iterative methods
Nonlinear distortion
Nonlinear satellite channels
OMUX filter
Predistortion
Satellites
Volterra series
Title Predistortion for Wideband Nonlinear Satellite Downlinks
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Volume 21
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