{"id":"https://openalex.org/W2738268414","doi":"https://doi.org/10.1109/access.2017.2730236","title":"Broadband Electrically Small Circularly Polarized Directive Antenna","display_name":"Broadband Electrically Small Circularly Polarized Directive Antenna","publication_year":2017,"publication_date":"2017-01-01","ids":{"openalex":"https://openalex.org/W2738268414","doi":"https://doi.org/10.1109/access.2017.2730236","mag":"2738268414"},"language":"en","primary_location":{"id":"doi:10.1109/access.2017.2730236","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2730236","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2017.2730236","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016019414","display_name":"Son Xuat Ta","orcid":"https://orcid.org/0000-0002-4246-0107"},"institutions":[{"id":"https://openalex.org/I141445968","display_name":"Ton Duc Thang University","ror":"https://ror.org/01drq0835","country_code":"VN","type":"education","lineage":["https://openalex.org/I141445968"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Son Xuat Ta","raw_affiliation_strings":["Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I141445968"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002418148","display_name":"Ikmo Park","orcid":"https://orcid.org/0000-0002-0051-8614"},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ikmo Park","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-0051-8614","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea","institution_ids":["https://openalex.org/I57664883"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085714413","display_name":"Richard W. Ziolkowski","orcid":"https://orcid.org/0000-0003-4256-6902"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]},{"id":"https://openalex.org/I138006243","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]}],"countries":["AU","US"],"is_corresponding":false,"raw_author_name":"Richard W. Ziolkowski","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of Arizona, Tucson, AZ, USA","Global Big Data Technologies Centre, University of Technology Sydney, Ultimo, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of Arizona, Tucson, AZ, USA","institution_ids":["https://openalex.org/I138006243"]},{"raw_affiliation_string":"Global Big Data Technologies Centre, University of Technology Sydney, Ultimo, NSW, Australia","institution_ids":["https://openalex.org/I114017466"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":70.6242,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.99682308,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"5","issue":null,"first_page":"14657","last_page":"14663"},"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/T10262","display_name":"Microwave Engineering and Waveguides","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"}},{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9993000030517578,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.6175700426101685},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"Radiation pattern","score":0.6115994453430176},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5852046012878418},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.5755756497383118},{"id":"https://openalex.org/keywords/antenna-measurement","display_name":"Antenna measurement","score":0.5585978627204895},{"id":"https://openalex.org/keywords/turnstile-antenna","display_name":"Turnstile antenna","score":0.5424753427505493},{"id":"https://openalex.org/keywords/dipole-antenna","display_name":"Dipole antenna","score":0.5381897687911987},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.49548399448394775},{"id":"https://openalex.org/keywords/antenna-efficiency","display_name":"Antenna efficiency","score":0.40387678146362305},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.33822548389434814},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3046762943267822},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2943383753299713},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2308015525341034}],"concepts":[{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6175700426101685},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.6115994453430176},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5852046012878418},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.5755756497383118},{"id":"https://openalex.org/C158616128","wikidata":"https://www.wikidata.org/wiki/Q4771260","display_name":"Antenna measurement","level":3,"score":0.5585978627204895},{"id":"https://openalex.org/C94318689","wikidata":"https://www.wikidata.org/wiki/Q385314","display_name":"Turnstile antenna","level":5,"score":0.5424753427505493},{"id":"https://openalex.org/C113145756","wikidata":"https://www.wikidata.org/wiki/Q1126859","display_name":"Dipole antenna","level":3,"score":0.5381897687911987},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.49548399448394775},{"id":"https://openalex.org/C160844929","wikidata":"https://www.wikidata.org/wiki/Q55604036","display_name":"Antenna efficiency","level":4,"score":0.40387678146362305},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.33822548389434814},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3046762943267822},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2943383753299713},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2308015525341034}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2017.2730236","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2730236","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:ccd4d8b074274b71aa8b39ef4d0516fc","is_oa":true,"landing_page_url":"https://doaj.org/article/ccd4d8b074274b71aa8b39ef4d0516fc","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 5, Pp 14657-14663 (2017)","raw_type":"article"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/118336","is_oa":true,"landing_page_url":"http://hdl.handle.net/10453/118336","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1109/access.2017.2730236","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2730236","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1937349503","https://openalex.org/W1970329654","https://openalex.org/W1988980129","https://openalex.org/W1989117667","https://openalex.org/W1991969020","https://openalex.org/W1996204943","https://openalex.org/W2003944454","https://openalex.org/W2006604856","https://openalex.org/W2027272458","https://openalex.org/W2038346427","https://openalex.org/W2097422643","https://openalex.org/W2141351008","https://openalex.org/W2142216958","https://openalex.org/W2174490785","https://openalex.org/W2187003731","https://openalex.org/W2210685736","https://openalex.org/W2327086892","https://openalex.org/W2332865659","https://openalex.org/W2509072695","https://openalex.org/W2557269320","https://openalex.org/W6660225183"],"related_works":["https://openalex.org/W2941804803","https://openalex.org/W2024928576","https://openalex.org/W2046856162","https://openalex.org/W2371791300","https://openalex.org/W2727630823","https://openalex.org/W2125220165","https://openalex.org/W1987781082","https://openalex.org/W2157791755","https://openalex.org/W1970327477","https://openalex.org/W3151400447"],"abstract_inverted_index":{"A":[0],"broadband":[1],"electrically":[2,92],"small":[3,93],"antenna":[4,55,74,80],"with":[5,61,82],"directive":[6,35],"circularly":[7],"polarized":[8],"radiation":[9,36,138],"is":[10,13,23,41],"presented.":[11],"It":[12],"composed":[14],"of":[15,109,118,130,140],"a":[16,26,83,102,114,127],"compact":[17],"single-feed":[18],"crossed":[19],"dipole":[20],"driver,":[21],"which":[22],"backed":[24],"by":[25],"near-field":[27],"resonant":[28],"parasitic":[29],"(NFRP)":[30],"reflector":[31,40],"to":[32,43,67],"achieve":[33],"the":[34,54,65,69,123,143],"pattern.":[37],"The":[38,72,79],"NFRP":[39],"designed":[42],"generate":[44],"extra":[45],"resonances":[46],"and":[47,77,90,113,135],"minimum":[48],"axial":[49],"ratio":[50],"(AR)":[51],"points":[52],"in":[53,126],"system.":[56],"These":[57],"features":[58],"are":[59],"combined":[60],"those":[62],"resulting":[63],"from":[64],"driver":[66],"broaden":[68],"operational":[70,144],"bandwidth.":[71,145],"proposed":[73],"was":[75],"fabricated":[76],"measured.":[78],"prototype,":[81],"low":[84],"profile":[85],"(0.066":[86],"\u03bboat":[87],"1.45":[88,99],"GHz)":[89,112],"an":[91,136],"size":[94],"(ka":[95],"=":[96],"0.71":[97],"at":[98],"GHz),":[100],"has":[101],"measured":[103],"|S11|":[104],"<;":[105],"-10":[106],"dB":[107],"bandwidth":[108,117],"25.66%":[110],"(1.362-1.763":[111],"3-dB":[115],"AR":[116],"10.56%":[119],"(1.390-1.545":[120],"GHz).":[121],"Additionally,":[122],"measurements":[124],"resulted":[125],"broadside":[128],"gain":[129],"2.31":[131],"\u00b1":[132],"0.4":[133],"dBic":[134],"average":[137],"efficiency":[139],"80%":[141],"within":[142]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":12}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}
