A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity

Signal-to-noise ratio (SNR) estimators of linear modulation schemes usually operate at one sample per symbol at the matched filter output. In this paper we propose a new method for estimating the SNR in the complex additive white Gaussian noise (AWGN) channel that operates directly on the oversample...

ver descrição completa

Detalhes bibliográficos
Autores: Riba Sagarra, Jaume|||0000-0002-5515-8169, Villares Piera, Nemesio Javier|||0000-0001-5701-9819, Vázquez Grau, Gregorio|||0000-0002-3007-6247
Formato: artículo
Fecha de publicación:2010
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/177798
Acesso em linha:https://hdl.handle.net/2117/177798
https://dx.doi.org/10.1109/TSP.2010.2059017
Access Level:acceso abierto
Palavra-chave:Signal processing
Cyclostationarity
SNR estimation
Second-order methods
Spectral coherence
Rate of innovation
Tractament del senyal
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
id ES_d1e4ff0b358d4ffe88b689bd9b06aa53
oai_identifier_str oai:upcommons.upc.edu:2117/177798
network_acronym_str ES
network_name_str España
repository_id_str
spelling A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarityRiba Sagarra, Jaume|||0000-0002-5515-8169Villares Piera, Nemesio Javier|||0000-0001-5701-9819Vázquez Grau, Gregorio|||0000-0002-3007-6247Signal processingCyclostationaritySNR estimationSecond-order methodsSpectral coherenceRate of innovationTractament del senyalÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyalSignal-to-noise ratio (SNR) estimators of linear modulation schemes usually operate at one sample per symbol at the matched filter output. In this paper we propose a new method for estimating the SNR in the complex additive white Gaussian noise (AWGN) channel that operates directly on the oversampled cyclostationary signal at the matched filter input. Exploiting cyclostationarity proves to be advantageous due to the fact that a signal-free Euclidean noise subspace can be identified such that only second order moments of the received waveform need to be computed. The proposed method is nondata-aided (NDA), as well as constellation and phase independent, and only requires prior timing synchronization to fully exploit the cyclostationarity property. The estimator can also be applied to nonconstant modulus constellations without requiring any tuning, which is a feature not found in existing approaches. Implementation aspects and simpler suboptimal solutions are also provided.Peer Reviewed20102010-11-0120202020-02-14journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/177798https://dx.doi.org/10.1109/TSP.2010.2059017reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/1777982026-05-27T15:37:01Z
dc.title.none.fl_str_mv A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
title A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
spellingShingle A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
Riba Sagarra, Jaume|||0000-0002-5515-8169
Signal processing
Cyclostationarity
SNR estimation
Second-order methods
Spectral coherence
Rate of innovation
Tractament del senyal
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
title_short A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
title_full A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
title_fullStr A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
title_full_unstemmed A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
title_sort A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
dc.creator.none.fl_str_mv Riba Sagarra, Jaume|||0000-0002-5515-8169
Villares Piera, Nemesio Javier|||0000-0001-5701-9819
Vázquez Grau, Gregorio|||0000-0002-3007-6247
author Riba Sagarra, Jaume|||0000-0002-5515-8169
author_facet Riba Sagarra, Jaume|||0000-0002-5515-8169
Villares Piera, Nemesio Javier|||0000-0001-5701-9819
Vázquez Grau, Gregorio|||0000-0002-3007-6247
author_role author
author2 Villares Piera, Nemesio Javier|||0000-0001-5701-9819
Vázquez Grau, Gregorio|||0000-0002-3007-6247
author2_role author
author
dc.subject.none.fl_str_mv Signal processing
Cyclostationarity
SNR estimation
Second-order methods
Spectral coherence
Rate of innovation
Tractament del senyal
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
topic Signal processing
Cyclostationarity
SNR estimation
Second-order methods
Spectral coherence
Rate of innovation
Tractament del senyal
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
description Signal-to-noise ratio (SNR) estimators of linear modulation schemes usually operate at one sample per symbol at the matched filter output. In this paper we propose a new method for estimating the SNR in the complex additive white Gaussian noise (AWGN) channel that operates directly on the oversampled cyclostationary signal at the matched filter input. Exploiting cyclostationarity proves to be advantageous due to the fact that a signal-free Euclidean noise subspace can be identified such that only second order moments of the received waveform need to be computed. The proposed method is nondata-aided (NDA), as well as constellation and phase independent, and only requires prior timing synchronization to fully exploit the cyclostationarity property. The estimator can also be applied to nonconstant modulus constellations without requiring any tuning, which is a feature not found in existing approaches. Implementation aspects and simpler suboptimal solutions are also provided.
publishDate 2010
dc.date.none.fl_str_mv 2010
2010-11-01
2020
2020-02-14
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/177798
https://dx.doi.org/10.1109/TSP.2010.2059017
url https://hdl.handle.net/2117/177798
https://dx.doi.org/10.1109/TSP.2010.2059017
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869420302873657344
score 15.301629

Registos relacionados