A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity
Autor(a) principal: | |
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Data de Publicação: | 2021 |
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/10071/23115 |
Resumo: | Multidimensional Index Modulations (IM) are a novel alternative to conventional modulations which can bring considerable benefits for future wireless networks. Within this scope, in this paper we present a new scheme, named as Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM), where part of the information bits select the active antennas and subcarriers which then carry amplitude and phase modulated symbols. The proposed scheme is designed for multiuser multiple-input multiple-output (MU-MIMO) scenarios and incorporates a precoder which removes multiuser interference (MUI) at the receivers. Furthermore, the proposed PT-GSFIM also integrates signal space diversity (SSD) techniques for tackling the typical poor performance of uncoded orthogonal frequency division multiplexing (OFDM) based schemes. By combining complex rotation matrices (CRM) and subcarrier-level interleaving, PT-GSFIM can exploit the inherent diversity in frequency selective channels and improve the performance without additional power or bandwidth. To support reliable detection of the multidimensional PT-GSFIM we also propose three different detection algorithms which can provide different tradeoffs between performance and complexity. Simulation results shows that proposed PT-GSFIM scheme, can provide significant gains over conventional MU-MIMO and GSM schemes. |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversityIndex Modulation (IM)Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM)Multiple-Input Multiple-Output (MIMO)Orthogonal Frequency Division Multiplexing (OFDM)Multiuser-MIMO (MU-MIMO)Multidimensional Index Modulations (IM) are a novel alternative to conventional modulations which can bring considerable benefits for future wireless networks. Within this scope, in this paper we present a new scheme, named as Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM), where part of the information bits select the active antennas and subcarriers which then carry amplitude and phase modulated symbols. The proposed scheme is designed for multiuser multiple-input multiple-output (MU-MIMO) scenarios and incorporates a precoder which removes multiuser interference (MUI) at the receivers. Furthermore, the proposed PT-GSFIM also integrates signal space diversity (SSD) techniques for tackling the typical poor performance of uncoded orthogonal frequency division multiplexing (OFDM) based schemes. By combining complex rotation matrices (CRM) and subcarrier-level interleaving, PT-GSFIM can exploit the inherent diversity in frequency selective channels and improve the performance without additional power or bandwidth. To support reliable detection of the multidimensional PT-GSFIM we also propose three different detection algorithms which can provide different tradeoffs between performance and complexity. Simulation results shows that proposed PT-GSFIM scheme, can provide significant gains over conventional MU-MIMO and GSM schemes.IEEE2021-09-10T12:57:48Z2021-01-01T00:00:00Z20212021-09-10T13:55:41Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10071/23115eng2169-353610.1109/ACCESS.2021.3106547Velez, V.Pavia, J.P.Souto, N.Sebastião, P.Correia, A.info: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:RCAAP2023-11-09T17:34:01Zoai:repositorio.iscte-iul.pt:10071/23115Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T22:15:22.194978Repositório 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 |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
title |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
spellingShingle |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity Velez, V. Index Modulation (IM) Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM) Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) Multiuser-MIMO (MU-MIMO) |
title_short |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
title_full |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
title_fullStr |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
title_full_unstemmed |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
title_sort |
A generalized space-frequency index modulation scheme for downlink MIMO transmissions with improved diversity |
author |
Velez, V. |
author_facet |
Velez, V. Pavia, J.P. Souto, N. Sebastião, P. Correia, A. |
author_role |
author |
author2 |
Pavia, J.P. Souto, N. Sebastião, P. Correia, A. |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Velez, V. Pavia, J.P. Souto, N. Sebastião, P. Correia, A. |
dc.subject.por.fl_str_mv |
Index Modulation (IM) Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM) Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) Multiuser-MIMO (MU-MIMO) |
topic |
Index Modulation (IM) Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM) Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) Multiuser-MIMO (MU-MIMO) |
description |
Multidimensional Index Modulations (IM) are a novel alternative to conventional modulations which can bring considerable benefits for future wireless networks. Within this scope, in this paper we present a new scheme, named as Precoding-aided Transmitter side Generalized Space-Frequency Index Modulation (PT-GSFIM), where part of the information bits select the active antennas and subcarriers which then carry amplitude and phase modulated symbols. The proposed scheme is designed for multiuser multiple-input multiple-output (MU-MIMO) scenarios and incorporates a precoder which removes multiuser interference (MUI) at the receivers. Furthermore, the proposed PT-GSFIM also integrates signal space diversity (SSD) techniques for tackling the typical poor performance of uncoded orthogonal frequency division multiplexing (OFDM) based schemes. By combining complex rotation matrices (CRM) and subcarrier-level interleaving, PT-GSFIM can exploit the inherent diversity in frequency selective channels and improve the performance without additional power or bandwidth. To support reliable detection of the multidimensional PT-GSFIM we also propose three different detection algorithms which can provide different tradeoffs between performance and complexity. Simulation results shows that proposed PT-GSFIM scheme, can provide significant gains over conventional MU-MIMO and GSM schemes. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-09-10T12:57:48Z 2021-01-01T00:00:00Z 2021 2021-09-10T13:55:41Z |
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/10071/23115 |
url |
http://hdl.handle.net/10071/23115 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
2169-3536 10.1109/ACCESS.2021.3106547 |
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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1799134711699734528 |