Partial-Data Superimposed Training with Data Precoding for OFDM Systems

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Show simple item record Estrada Jiménez, Juan Carlos Fernández-Getino García, María Julia 2021-05-19T09:41:26Z 2021-05-19T09:41:26Z 2019-06
dc.identifier.bibliographicCitation Estrada-Jimenez, J. C. & Fernandez-Getino Garcia, M. J. (2019). Partial-Data Superimposed Training With Data Precoding for OFDM Systems. IEEE Transactions on Broadcasting, 65(2), pp. 234–244.
dc.identifier.issn 0018-9316
dc.description.abstract Superimposed training (ST) is a recently addressed technique used for channel estimation where known training sequences are arithmetically added to data symbols, avoiding the use of dedicated pilot subcarriers, and thus, increasing the available bandwidth compared with traditional pilot symbol assisted modulation schemes. However, the system handles data interference over channel estimation as a result of the ST process; also, data detection is degraded by pilot interference. Recent ST methods have analyzed the data interference and presented schemes that deal with it. We propose a novel superimposed model over a precoded data scheme, named partial-data superimposed training (PDST), where an interference control factor assigns the adequate information level to be added to the training sequence in orthogonal frequency division multiplexing systems. Also, a data detection method is introduced to improve the symbol error rate performance. Moreover, a capacity analysis of the system has been derived. Finally, simulation results confirm that performance of PDST is superior to previous proposals.
dc.format.extent 11
dc.language.iso eng
dc.publisher IEEE
dc.rights © 2019, IEEE
dc.subject.other Channel estimation
dc.subject.other Data interference
dc.subject.other OFDM
dc.subject.other Superimposed training
dc.title Partial-Data Superimposed Training with Data Precoding for OFDM Systems
dc.type research article
dc.subject.eciencia Telecomunicaciones
dc.rights.accessRights open access
dc.relation.projectID Gobierno de España. TEC2014-59255-C3-3-R
dc.relation.projectID Gobierno de España. TEC2017-90093-C3-2-R
dc.identifier.publicationfirstpage 234
dc.identifier.publicationissue 2
dc.identifier.publicationlastpage 244
dc.identifier.publicationtitle IEEE Transactions on Broadcasting
dc.identifier.publicationvolume 65
dc.identifier.uxxi AR/0000025106
dc.contributor.funder Ministerio de Economía y Competitividad (España)
dc.affiliation.dpto UC3M. Departamento de Teoría de la Señal y Comunicaciones
dc.affiliation.grupoinv UC3M. Grupo de Investigación: Comunicaciones
dc.type.hasVersion AM
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