Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications

Synchronous electromagnetic encoder systems exploiting phase encoding to boost up the number of bits per encoder position are reported in this article. The reader is a one-port structure consisting of a transmission line terminated with a matched load and fed by a harmonic (single tone) signal. The...

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Autores: Karami-Horestani, Amirhossein|||0000-0003-4107-8421, Paredes Marco, Ferran|||0000-0002-7252-1169, Martín, Ferran|||0000-0002-1494-9167
Tipo de recurso: artículo
Fecha de publicación:2023
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:288861
Acceso en línea:https://ddd.uab.cat/record/288861
https://dx.doi.org/urn:doi:10.1109/TMTT.2023.3277934
Access Level:acceso abierto
Palabra clave:Terms-chipless-RFID
Electromagnetic encoders
Microstrip technology
Motion control
Phase modulation
Position sensors
Radiofrequency identification (RFID)
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spelling Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control ApplicationsKarami-Horestani, Amirhossein|||0000-0003-4107-8421Paredes Marco, Ferran|||0000-0002-7252-1169Martín, Ferran|||0000-0002-1494-9167Terms-chipless-RFIDElectromagnetic encodersMicrostrip technologyMotion controlPhase modulationPosition sensorsRadiofrequency identification (RFID)Synchronous electromagnetic encoder systems exploiting phase encoding to boost up the number of bits per encoder position are reported in this article. The reader is a one-port structure consisting of a transmission line terminated with a matched load and fed by a harmonic (single tone) signal. The encoders, or tags, are implemented by means of a single chain of strip resonators (inclusions) printed or etched on a dielectric substrate and oriented transversally to the chain axis. Phase encoding is achieved through the transverse position of the strips in the chain. Thus, in a reading operation, the encoder is displaced at a very short distance over the reader, in the direction orthogonal to the line axis. By this means, the resonant strips of the encoder cross the line in perfect alignment with it, significantly perturbing the reflection (and transmission) coefficient. By tuning the frequency of the feeding signal to the resonance frequency of the strips, total reflection is (roughly) expected each time a resonant strip is on top of the line. Moreover, under perfect alignment between the line and a resonant strip, the phase of the reflection coefficient depends on the distance between the inclusion (resonant strip) and the input port. Therefore, the identification (ID) associated with that inclusion can be retrieved by measuring the phase of the reflection coefficient. The number of states (and hence bits) per encoder position in the chain depends on the number of different transverse positions of the inclusions that can be resolved (16 in the prototype reported in this article). The achieved density of bits per unit length is DPL = 5.71 bit/cm and per unit surface is DPS = 0.57 bit/cm2. Nevertheless, the main relevant advantage of the proposed phase-modulated (PM) system is the fact that a single harmonic signal suffices for tag reading, contrary to other synchronous electromagnetic encoder systems based on frequency encoding, where multiple feeding harmonic signals are needed. 22023-01-0120232023-01-01Articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/288861https://dx.doi.org/urn:doi:10.1109/TMTT.2023.3277934reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengAgencia Estatal de Investigación https://doi.org/10.13039/501100011033 PID2019-103904RB-I00Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PDC2021-121085-I00Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2021/SGR-00192Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PRE2020-093239open accesshttp://purl.org/coar/access_right/c_abf2Aquest material està protegit per drets d'autor i/o drets afins. Podeu utilitzar aquest material en funció del que permet la legislació de drets d'autor i drets afins d'aplicació al vostre cas. Per a d'altres usos heu d'obtenir permís del(s) titular(s) de drets.https://rightsstatements.org/vocab/InC/1.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:2888612026-06-06T12:50:31Z
dc.title.none.fl_str_mv Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
title Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
spellingShingle Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
Karami-Horestani, Amirhossein|||0000-0003-4107-8421
Terms-chipless-RFID
Electromagnetic encoders
Microstrip technology
Motion control
Phase modulation
Position sensors
Radiofrequency identification (RFID)
title_short Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
title_full Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
title_fullStr Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
title_full_unstemmed Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
title_sort Hybrid Time/Phase Domain Synchronous Electromagnetic Encoders for Near-Field Chipless-RFID and Motion Control Applications
dc.creator.none.fl_str_mv Karami-Horestani, Amirhossein|||0000-0003-4107-8421
Paredes Marco, Ferran|||0000-0002-7252-1169
Martín, Ferran|||0000-0002-1494-9167
author Karami-Horestani, Amirhossein|||0000-0003-4107-8421
author_facet Karami-Horestani, Amirhossein|||0000-0003-4107-8421
Paredes Marco, Ferran|||0000-0002-7252-1169
Martín, Ferran|||0000-0002-1494-9167
author_role author
author2 Paredes Marco, Ferran|||0000-0002-7252-1169
Martín, Ferran|||0000-0002-1494-9167
author2_role author
author
dc.subject.none.fl_str_mv Terms-chipless-RFID
Electromagnetic encoders
Microstrip technology
Motion control
Phase modulation
Position sensors
Radiofrequency identification (RFID)
topic Terms-chipless-RFID
Electromagnetic encoders
Microstrip technology
Motion control
Phase modulation
Position sensors
Radiofrequency identification (RFID)
description Synchronous electromagnetic encoder systems exploiting phase encoding to boost up the number of bits per encoder position are reported in this article. The reader is a one-port structure consisting of a transmission line terminated with a matched load and fed by a harmonic (single tone) signal. The encoders, or tags, are implemented by means of a single chain of strip resonators (inclusions) printed or etched on a dielectric substrate and oriented transversally to the chain axis. Phase encoding is achieved through the transverse position of the strips in the chain. Thus, in a reading operation, the encoder is displaced at a very short distance over the reader, in the direction orthogonal to the line axis. By this means, the resonant strips of the encoder cross the line in perfect alignment with it, significantly perturbing the reflection (and transmission) coefficient. By tuning the frequency of the feeding signal to the resonance frequency of the strips, total reflection is (roughly) expected each time a resonant strip is on top of the line. Moreover, under perfect alignment between the line and a resonant strip, the phase of the reflection coefficient depends on the distance between the inclusion (resonant strip) and the input port. Therefore, the identification (ID) associated with that inclusion can be retrieved by measuring the phase of the reflection coefficient. The number of states (and hence bits) per encoder position in the chain depends on the number of different transverse positions of the inclusions that can be resolved (16 in the prototype reported in this article). The achieved density of bits per unit length is DPL = 5.71 bit/cm and per unit surface is DPS = 0.57 bit/cm2. Nevertheless, the main relevant advantage of the proposed phase-modulated (PM) system is the fact that a single harmonic signal suffices for tag reading, contrary to other synchronous electromagnetic encoder systems based on frequency encoding, where multiple feeding harmonic signals are needed.
publishDate 2023
dc.date.none.fl_str_mv 2
2023-01-01
2023
2023-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/288861
https://dx.doi.org/urn:doi:10.1109/TMTT.2023.3277934
url https://ddd.uab.cat/record/288861
https://dx.doi.org/urn:doi:10.1109/TMTT.2023.3277934
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PID2019-103904RB-I00
Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PDC2021-121085-I00
Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2021/SGR-00192
Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PRE2020-093239
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://rightsstatements.org/vocab/InC/1.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
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eu_rights_str_mv openAccess
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dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
collection Dipòsit Digital de Documents de la UAB
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