{"id":"https://openalex.org/W2988767843","doi":"https://doi.org/10.1109/rfid-ta.2019.8892001","title":"An Eccentric Annular Slotted Patch with Parasitic Element for UHF RFID Reader Applications","display_name":"An Eccentric Annular Slotted Patch with Parasitic Element for UHF RFID Reader Applications","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W2988767843","doi":"https://doi.org/10.1109/rfid-ta.2019.8892001","mag":"2988767843"},"language":"en","primary_location":{"id":"doi:10.1109/rfid-ta.2019.8892001","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rfid-ta.2019.8892001","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on RFID Technology and Applications (RFID-TA)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048030754","display_name":"Chow\u2010Yen\u2010Desmond Sim","orcid":"https://orcid.org/0000-0001-8209-5901"},"institutions":[{"id":"https://openalex.org/I4880106","display_name":"Feng Chia University","ror":"https://ror.org/05vhczg54","country_code":"TW","type":"education","lineage":["https://openalex.org/I4880106"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chow-Yen-Desmond Sim","raw_affiliation_strings":["Dept. Electrical Engineering, Feng Chia University, Taichung City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Dept. Electrical Engineering, Feng Chia University, Taichung City, Taiwan","institution_ids":["https://openalex.org/I4880106"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100982967","display_name":"Chuan-Wei Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I4880106","display_name":"Feng Chia University","ror":"https://ror.org/05vhczg54","country_code":"TW","type":"education","lineage":["https://openalex.org/I4880106"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chuan-Wei Lin","raw_affiliation_strings":["Dept. Electrical Engineering, Feng Chia University, Taichung City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Dept. Electrical Engineering, Feng Chia University, Taichung City, Taiwan","institution_ids":["https://openalex.org/I4880106"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056112819","display_name":"Ting\u2010An Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I4880106","display_name":"Feng Chia University","ror":"https://ror.org/05vhczg54","country_code":"TW","type":"education","lineage":["https://openalex.org/I4880106"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ting-An Chen","raw_affiliation_strings":["Dept. Electrical Engineering, Feng Chia University, Taichung City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Dept. Electrical Engineering, Feng Chia University, Taichung City, Taiwan","institution_ids":["https://openalex.org/I4880106"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002733301","display_name":"Jin-Rong Liou","orcid":null},"institutions":[{"id":"https://openalex.org/I4880106","display_name":"Feng Chia University","ror":"https://ror.org/05vhczg54","country_code":"TW","type":"education","lineage":["https://openalex.org/I4880106"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jin-Rong Liou","raw_affiliation_strings":["College of Information and Electrical Engineering, Feng Chia University, Taichung City, Taiwan"],"affiliations":[{"raw_affiliation_string":"College of Information and Electrical Engineering, Feng Chia University, Taichung City, Taiwan","institution_ids":["https://openalex.org/I4880106"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089331278","display_name":"Hsi\u2010Tseng Chou","orcid":"https://orcid.org/0000-0002-1883-9782"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hsi-Tseng Chou","raw_affiliation_strings":["Dept. Electrical Engineering, Natonal Taiwan University, Taichung City, Taiwan"],"affiliations":[{"raw_affiliation_string":"Dept. Electrical Engineering, Natonal Taiwan University, Taichung City, Taiwan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5048030754"],"corresponding_institution_ids":["https://openalex.org/I4880106"],"apc_list":null,"apc_paid":null,"fwci":0.3967,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.7547399,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"37","last_page":"40"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10986","display_name":"RFID technology advancements","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ultra-high-frequency","display_name":"Ultra high frequency","score":0.7060222029685974},{"id":"https://openalex.org/keywords/biconical-antenna","display_name":"Biconical antenna","score":0.6498095393180847},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6437073349952698},{"id":"https://openalex.org/keywords/microstrip-antenna","display_name":"Microstrip antenna","score":0.5822463035583496},{"id":"https://openalex.org/keywords/parasitic-element","display_name":"Parasitic element","score":0.5776559114456177},{"id":"https://openalex.org/keywords/patch-antenna","display_name":"Patch antenna","score":0.567037045955658},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.4771801233291626},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.4739656150341034},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.43608349561691284},{"id":"https://openalex.org/keywords/passive-radiator","display_name":"Passive radiator","score":0.4198254346847534},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3416464328765869},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.339508056640625},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3364262580871582},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3064239025115967},{"id":"https://openalex.org/keywords/slot-antenna","display_name":"Slot antenna","score":0.2989060878753662},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.27013731002807617},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24107736349105835},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.21910083293914795},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2075638473033905},{"id":"https://openalex.org/keywords/coaxial-antenna","display_name":"Coaxial antenna","score":0.19075435400009155}],"concepts":[{"id":"https://openalex.org/C96122199","wikidata":"https://www.wikidata.org/wiki/Q628096","display_name":"Ultra high frequency","level":2,"score":0.7060222029685974},{"id":"https://openalex.org/C31057288","wikidata":"https://www.wikidata.org/wiki/Q1417494","display_name":"Biconical antenna","level":5,"score":0.6498095393180847},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6437073349952698},{"id":"https://openalex.org/C170349913","wikidata":"https://www.wikidata.org/wiki/Q13402882","display_name":"Microstrip antenna","level":3,"score":0.5822463035583496},{"id":"https://openalex.org/C71367568","wikidata":"https://www.wikidata.org/wiki/Q3363655","display_name":"Parasitic element","level":2,"score":0.5776559114456177},{"id":"https://openalex.org/C159238334","wikidata":"https://www.wikidata.org/wiki/Q1419428","display_name":"Patch antenna","level":3,"score":0.567037045955658},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.4771801233291626},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.4739656150341034},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.43608349561691284},{"id":"https://openalex.org/C172570871","wikidata":"https://www.wikidata.org/wiki/Q7142818","display_name":"Passive radiator","level":5,"score":0.4198254346847534},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3416464328765869},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.339508056640625},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3364262580871582},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3064239025115967},{"id":"https://openalex.org/C109026120","wikidata":"https://www.wikidata.org/wiki/Q2369099","display_name":"Slot antenna","level":4,"score":0.2989060878753662},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27013731002807617},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24107736349105835},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.21910083293914795},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2075638473033905},{"id":"https://openalex.org/C93130614","wikidata":"https://www.wikidata.org/wiki/Q5138671","display_name":"Coaxial antenna","level":4,"score":0.19075435400009155},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/rfid-ta.2019.8892001","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rfid-ta.2019.8892001","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on RFID Technology and Applications (RFID-TA)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6200000047683716}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2085568980","https://openalex.org/W2086883264","https://openalex.org/W2090186420","https://openalex.org/W2149227533","https://openalex.org/W2161047025","https://openalex.org/W2295381992","https://openalex.org/W2510964658","https://openalex.org/W2536341200","https://openalex.org/W2778842263"],"related_works":["https://openalex.org/W4398765102","https://openalex.org/W2130642573","https://openalex.org/W4311688822","https://openalex.org/W2725960767","https://openalex.org/W2016817183","https://openalex.org/W4398756598","https://openalex.org/W2113898708","https://openalex.org/W1964865115","https://openalex.org/W2070934799","https://openalex.org/W2543194870"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"an":[3,34],"eccentric":[4],"annular":[5],"slotted":[6],"patch":[7,30,81],"antenna":[8,17,92],"for":[9],"ultra-high-frequency":[10],"(UHF)":[11],"radio":[12],"frequency":[13],"identification":[14],"(RFID)":[15],"reader":[16],"is":[18,31,82],"initially":[19],"investigated.":[20],"To":[21,57],"easily":[22],"attain":[23],"good":[24],"impedance":[25,96],"bandwidth,":[26],"the":[27,70,79,90,115],"proposed":[28,91],"radiating":[29,80],"mounted":[32],"on":[33],"L-shaped":[35],"ground":[36],"(200":[37],"mm":[38,41,53],"\u00d7":[39,42,54],"200":[40],"57":[43],"mm)":[44],"and":[45,102],"it":[46],"has":[47,87],"a":[48,74],"planar":[49],"size":[50],"of":[51,72,98],"170":[52,55],"mm.":[56],"further":[58],"achieve":[59],"better":[60],"circular":[61],"polarized":[62],"(CP)":[63],"bandwidth":[64,97,106],"(or":[65],"3-dB":[66],"axial":[67],"ratio":[68],"bandwidth),":[69],"technique":[71],"loading":[73],"parasitic":[75,116],"arc-shaped":[76],"element":[77],"besides":[78],"introduced.":[83],"The":[84],"measured":[85],"result":[86],"shown":[88],"that":[89],"can":[93],"yield":[94],"10-dB":[95],"56.53%":[99],"(0.618-1.105":[100],"GHz),":[101],"its":[103],"corresponding":[104],"CP":[105],"was":[107],"improved":[108],"to":[109,114],"6.13%":[110],"(0.886-0.942":[111],"GHz)":[112],"due":[113],"element.":[117]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}