Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10773/28753 |
Resumo: | Our aim with this paper is to present a solution suitable for vehicle-to-everything (V2X) communications, particularly, when employing single-carrier modulations combined with frequency-domain equalization (SC-FDE). In fact, we consider the V2X channel to be doubly-selective, where the variation of the channel in time is due to the presence of a Doppler term. Accordingly, the equalization procedure is dealt by a low-complexity iterative frequency-domain equalizer based on the iterative block decisionfeedback equalization (IB-DFE) while the tracking procedure is conducted employing an extended Kalman filter (EKF). The proposed system is very efficient since it allows a very low density of training symbols, even for fast-varying channels. Furthermore only two training symbols are required to initialize the tracking procedure. Thus, ensuring low latency together with reduced channel estimation overheads. |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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7160 |
spelling |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemesAdaptive equalizersChannel estimationDigital communicationKalman filtersSignal processingSignal processing algorithmsVehicular and wireless technologiesOur aim with this paper is to present a solution suitable for vehicle-to-everything (V2X) communications, particularly, when employing single-carrier modulations combined with frequency-domain equalization (SC-FDE). In fact, we consider the V2X channel to be doubly-selective, where the variation of the channel in time is due to the presence of a Doppler term. Accordingly, the equalization procedure is dealt by a low-complexity iterative frequency-domain equalizer based on the iterative block decisionfeedback equalization (IB-DFE) while the tracking procedure is conducted employing an extended Kalman filter (EKF). The proposed system is very efficient since it allows a very low density of training symbols, even for fast-varying channels. Furthermore only two training symbols are required to initialize the tracking procedure. Thus, ensuring low latency together with reduced channel estimation overheads.IEEE2020-06-30T15:25:47Z2020-03-18T00:00:00Z2020-03-18info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/28753eng2169-353610.1109/ACCESS.2020.2981717Pedrosa, PedroCastanheira, DanielSilva, AdãoDinis, RuiGameiro, Atílioinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-22T11:55:37Zoai:ria.ua.pt:10773/28753Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:01:13.474263Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
title |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
spellingShingle |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes Pedrosa, Pedro Adaptive equalizers Channel estimation Digital communication Kalman filters Signal processing Signal processing algorithms Vehicular and wireless technologies |
title_short |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
title_full |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
title_fullStr |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
title_full_unstemmed |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
title_sort |
Efficient joint channel equalization and tracking for V2X communications using SC-FDE schemes |
author |
Pedrosa, Pedro |
author_facet |
Pedrosa, Pedro Castanheira, Daniel Silva, Adão Dinis, Rui Gameiro, Atílio |
author_role |
author |
author2 |
Castanheira, Daniel Silva, Adão Dinis, Rui Gameiro, Atílio |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Pedrosa, Pedro Castanheira, Daniel Silva, Adão Dinis, Rui Gameiro, Atílio |
dc.subject.por.fl_str_mv |
Adaptive equalizers Channel estimation Digital communication Kalman filters Signal processing Signal processing algorithms Vehicular and wireless technologies |
topic |
Adaptive equalizers Channel estimation Digital communication Kalman filters Signal processing Signal processing algorithms Vehicular and wireless technologies |
description |
Our aim with this paper is to present a solution suitable for vehicle-to-everything (V2X) communications, particularly, when employing single-carrier modulations combined with frequency-domain equalization (SC-FDE). In fact, we consider the V2X channel to be doubly-selective, where the variation of the channel in time is due to the presence of a Doppler term. Accordingly, the equalization procedure is dealt by a low-complexity iterative frequency-domain equalizer based on the iterative block decisionfeedback equalization (IB-DFE) while the tracking procedure is conducted employing an extended Kalman filter (EKF). The proposed system is very efficient since it allows a very low density of training symbols, even for fast-varying channels. Furthermore only two training symbols are required to initialize the tracking procedure. Thus, ensuring low latency together with reduced channel estimation overheads. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-06-30T15:25:47Z 2020-03-18T00:00:00Z 2020-03-18 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10773/28753 |
url |
http://hdl.handle.net/10773/28753 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
2169-3536 10.1109/ACCESS.2020.2981717 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
IEEE |
publisher.none.fl_str_mv |
IEEE |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799137667859873792 |