Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems

Autores
Gregorio, Fernando Hugo; Werner, Stefan; Laakso, Timo I.; Cousseau, Juan Edmundo
Año de publicación
2007
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Space-division multiple access (SDMA) and orthogonal frequency-division multiplexing (OFDM) can be combined to design a robust communications system with increased spectral efficiency and system capacity. This combination is one of the most promising candidates for future wireless local area network implementations. However, one drawback of OFDM systems is the high peak-to-average power ratio, which imposes strong requirements on the linearity of power amplifiers (PAs). Such linearity requirements translate into high back-off that results in low power efficiency. In order to improve power efficiency, a PA nonlinearity cancellation (PANC) technique is introduced in this paper. This technique reduces the nonlinear distortion effects on the received signal. The performance of the new technique is evaluated with simulations, which show significant power efficiency improvements. To obtain meaningful results for comparison purposes, we derive a theoretical upper bound on the bit error rate performance of an SDMA-OFDM system subject to PA nonlinearities. In addition, a novel channel estimation technique that combines frequency- and time-domain channel estimation with PANC is also presented. Simulation results show the robustness of the cancellation method also when channel estimation is included.
Fil: Gregorio, Fernando Hugo. University of Helsinski; Finlandia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Werner, Stefan. University of Helsinski; Finlandia
Fil: Laakso, Timo I.. University of Helsinski; Finlandia
Fil: Cousseau, Juan Edmundo. Universidad Nacional del Sur. Departamento de Ingeniería Eléctrica y de Computadoras; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca; Argentina
Materia
OFDM
Nonlinear distortion
Cancellation techniques
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/105458
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/105458
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM SystemsGregorio, Fernando HugoWerner, StefanLaakso, Timo I.Cousseau, Juan EdmundoOFDMNonlinear distortionCancellation techniqueshttps://purl.org/becyt/ford/2.2https://purl.org/becyt/ford/2Space-division multiple access (SDMA) and orthogonal frequency-division multiplexing (OFDM) can be combined to design a robust communications system with increased spectral efficiency and system capacity. This combination is one of the most promising candidates for future wireless local area network implementations. However, one drawback of OFDM systems is the high peak-to-average power ratio, which imposes strong requirements on the linearity of power amplifiers (PAs). Such linearity requirements translate into high back-off that results in low power efficiency. In order to improve power efficiency, a PA nonlinearity cancellation (PANC) technique is introduced in this paper. This technique reduces the nonlinear distortion effects on the received signal. The performance of the new technique is evaluated with simulations, which show significant power efficiency improvements. To obtain meaningful results for comparison purposes, we derive a theoretical upper bound on the bit error rate performance of an SDMA-OFDM system subject to PA nonlinearities. In addition, a novel channel estimation technique that combines frequency- and time-domain channel estimation with PANC is also presented. Simulation results show the robustness of the cancellation method also when channel estimation is included.Fil: Gregorio, Fernando Hugo. University of Helsinski; Finlandia. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Werner, Stefan. University of Helsinski; FinlandiaFil: Laakso, Timo I.. University of Helsinski; FinlandiaFil: Cousseau, Juan Edmundo. Universidad Nacional del Sur. Departamento de Ingeniería Eléctrica y de Computadoras; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca; ArgentinaInstitute of Electrical and Electronics Engineers2007-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/105458Gregorio, Fernando Hugo; Werner, Stefan; Laakso, Timo I.; Cousseau, Juan Edmundo; Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems; Institute of Electrical and Electronics Engineers; Ieee Transactions On Vehicular Technology; 56; 5; 9-2007; 2499-25160018-95451939-9359CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://ieeexplore.ieee.org/document/4305499info:eu-repo/semantics/altIdentifier/doi/10.1109/TVT.2007.899965info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:50:40Zoai:ri.conicet.gov.ar:11336/105458instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:50:40.311CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
title Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
spellingShingle Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
Gregorio, Fernando Hugo
OFDM
Nonlinear distortion
Cancellation techniques
title_short Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
title_full Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
title_fullStr Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
title_full_unstemmed Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
title_sort Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems
dc.creator.none.fl_str_mv Gregorio, Fernando Hugo
Werner, Stefan
Laakso, Timo I.
Cousseau, Juan Edmundo
author Gregorio, Fernando Hugo
author_facet Gregorio, Fernando Hugo
Werner, Stefan
Laakso, Timo I.
Cousseau, Juan Edmundo
author_role author
author2 Werner, Stefan
Laakso, Timo I.
Cousseau, Juan Edmundo
author2_role author
author
author
dc.subject.none.fl_str_mv OFDM
Nonlinear distortion
Cancellation techniques
topic OFDM
Nonlinear distortion
Cancellation techniques
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.2
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Space-division multiple access (SDMA) and orthogonal frequency-division multiplexing (OFDM) can be combined to design a robust communications system with increased spectral efficiency and system capacity. This combination is one of the most promising candidates for future wireless local area network implementations. However, one drawback of OFDM systems is the high peak-to-average power ratio, which imposes strong requirements on the linearity of power amplifiers (PAs). Such linearity requirements translate into high back-off that results in low power efficiency. In order to improve power efficiency, a PA nonlinearity cancellation (PANC) technique is introduced in this paper. This technique reduces the nonlinear distortion effects on the received signal. The performance of the new technique is evaluated with simulations, which show significant power efficiency improvements. To obtain meaningful results for comparison purposes, we derive a theoretical upper bound on the bit error rate performance of an SDMA-OFDM system subject to PA nonlinearities. In addition, a novel channel estimation technique that combines frequency- and time-domain channel estimation with PANC is also presented. Simulation results show the robustness of the cancellation method also when channel estimation is included.
Fil: Gregorio, Fernando Hugo. University of Helsinski; Finlandia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Werner, Stefan. University of Helsinski; Finlandia
Fil: Laakso, Timo I.. University of Helsinski; Finlandia
Fil: Cousseau, Juan Edmundo. Universidad Nacional del Sur. Departamento de Ingeniería Eléctrica y de Computadoras; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca; Argentina
description Space-division multiple access (SDMA) and orthogonal frequency-division multiplexing (OFDM) can be combined to design a robust communications system with increased spectral efficiency and system capacity. This combination is one of the most promising candidates for future wireless local area network implementations. However, one drawback of OFDM systems is the high peak-to-average power ratio, which imposes strong requirements on the linearity of power amplifiers (PAs). Such linearity requirements translate into high back-off that results in low power efficiency. In order to improve power efficiency, a PA nonlinearity cancellation (PANC) technique is introduced in this paper. This technique reduces the nonlinear distortion effects on the received signal. The performance of the new technique is evaluated with simulations, which show significant power efficiency improvements. To obtain meaningful results for comparison purposes, we derive a theoretical upper bound on the bit error rate performance of an SDMA-OFDM system subject to PA nonlinearities. In addition, a novel channel estimation technique that combines frequency- and time-domain channel estimation with PANC is also presented. Simulation results show the robustness of the cancellation method also when channel estimation is included.
publishDate 2007
dc.date.none.fl_str_mv 2007-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/105458
Gregorio, Fernando Hugo; Werner, Stefan; Laakso, Timo I.; Cousseau, Juan Edmundo; Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems; Institute of Electrical and Electronics Engineers; Ieee Transactions On Vehicular Technology; 56; 5; 9-2007; 2499-2516
0018-9545
1939-9359
CONICET Digital
CONICET
url http://hdl.handle.net/11336/105458
identifier_str_mv Gregorio, Fernando Hugo; Werner, Stefan; Laakso, Timo I.; Cousseau, Juan Edmundo; Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems; Institute of Electrical and Electronics Engineers; Ieee Transactions On Vehicular Technology; 56; 5; 9-2007; 2499-2516
0018-9545
1939-9359
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://ieeexplore.ieee.org/document/4305499
info:eu-repo/semantics/altIdentifier/doi/10.1109/TVT.2007.899965
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers
publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.13397

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