{"id":"https://openalex.org/W7128315572","doi":"https://doi.org/10.1109/access.2026.3662058","title":"Design of a Single-Radiator Multi-Port Compact Chip Antenna for UWB Direction-Finding","display_name":"Design of a Single-Radiator Multi-Port Compact Chip Antenna for UWB Direction-Finding","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7128315572","doi":"https://doi.org/10.1109/access.2026.3662058"},"language":"en","primary_location":{"id":"doi:10.1109/access.2026.3662058","doi":"https://doi.org/10.1109/access.2026.3662058","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3662058","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,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W7128315572"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2026.3662058","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111020840","display_name":"Hyunmu Kang","orcid":"https://orcid.org/0009-0001-5579-4122","observed_orcids":["https://orcid.org/0009-0001-5579-4122"]},"institutions":[{"id":"https://openalex.org/I94588446","display_name":"Hongik University","ror":"https://ror.org/00egdv862","country_code":"KR","type":"education","lineage":["https://openalex.org/I94588446"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyunmu Kang","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, Hongik University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Hongik University, Seoul, South Korea","institution_ids":["https://openalex.org/I94588446"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048448687","display_name":"Sangwoon Youn","orcid":"https://orcid.org/0000-0003-1437-8445","observed_orcids":["https://orcid.org/0000-0003-1437-8445"]},"institutions":[{"id":"https://openalex.org/I113018520","display_name":"Gyeongkuk National University","ror":"https://ror.org/04wd10e19","country_code":"KR","type":"education","lineage":["https://openalex.org/I113018520"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sangwoon Youn","raw_affiliation_strings":["Department of Digital Information and Communication Technology Engineering, Gyeongkuk National University, Andong, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-1437-8445","affiliations":[{"raw_affiliation_string":"Department of Digital Information and Communication Technology Engineering, Gyeongkuk National University, Andong, South Korea","institution_ids":["https://openalex.org/I113018520"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052354904","display_name":"Hosung Choo","orcid":"https://orcid.org/0000-0002-8409-6964","observed_orcids":["https://orcid.org/0000-0002-8409-6964"]},"institutions":[{"id":"https://openalex.org/I94588446","display_name":"Hongik University","ror":"https://ror.org/00egdv862","country_code":"KR","type":"education","lineage":["https://openalex.org/I94588446"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hosung Choo","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, Hongik University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-8409-6964","affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Hongik University, Seoul, South Korea","institution_ids":["https://openalex.org/I94588446"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2075,"currency":"USD","value_usd":2075},"apc_paid":{"value":2075,"currency":"USD","value_usd":2075},"fwci":1.3169,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.73676692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"14","issue":null,"first_page":"32983","last_page":"32991"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9955999851226807,"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"}},"topics":[{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9955999851226807,"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/T11851","display_name":"Electromagnetic Compatibility and Measurements","score":0.0006000000284984708,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.0005000000237487257,"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/chip-antenna","display_name":"chip antenna","score":0.9120000004768372},{"id":"https://openalex.org/keywords/ultra-wideband","display_name":"ultra-wideband","score":0.7680000066757202},{"id":"https://openalex.org/keywords/direction-finding","display_name":"direction finding","score":0.8420000076293945},{"id":"https://openalex.org/keywords/antenna-miniaturization","display_name":"antenna miniaturization","score":0.9300000071525574},{"id":"https://openalex.org/keywords/coplanar-waveguide-feed","display_name":"coplanar waveguide feed","score":0.8999999761581421},{"id":"https://openalex.org/keywords/mutual-coupling","display_name":"mutual coupling","score":0.8849999904632568},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"radiation pattern","score":0.7360000014305115},{"id":"https://openalex.org/keywords/channel-impulse-response","display_name":"channel impulse response","score":0.8510000109672546},{"id":"https://openalex.org/keywords/doa-estimation","display_name":"direction of arrival estimation","score":0.824999988079071},{"id":"https://openalex.org/keywords/mobile-devices","display_name":"mobile devices","score":0.6700000166893005}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.545199990272522},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.44769999384880066},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.44589999318122864},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.40230000019073486},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.382099986076355},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.3488999903202057},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33899998664855957},{"id":"https://openalex.org/C95496425","wikidata":"https://www.wikidata.org/wiki/Q1466248","display_name":"Monopole antenna","level":3,"score":0.31679999828338623},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.30160000920295715},{"id":"https://openalex.org/C64671776","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"Directional antenna","level":3,"score":0.2989000082015991},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.28769999742507935},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.2750999927520752},{"id":"https://openalex.org/C2986910011","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Cellular radio","level":3,"score":0.26980000734329224},{"id":"https://openalex.org/C170349913","wikidata":"https://www.wikidata.org/wiki/Q13402882","display_name":"Microstrip antenna","level":3,"score":0.26910001039505005},{"id":"https://openalex.org/C113145756","wikidata":"https://www.wikidata.org/wiki/Q1126859","display_name":"Dipole antenna","level":3,"score":0.26899999380111694},{"id":"https://openalex.org/C21916231","wikidata":"https://www.wikidata.org/wiki/Q851424","display_name":"Ultra-wideband","level":2,"score":0.2590000033378601},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.25029999017715454}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2026.3662058","doi":"https://doi.org/10.1109/access.2026.3662058","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3662058","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,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:24b6dd3de19c44108f6a4afcc7d22075","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/24b6dd3de19c44108f6a4afcc7d22075","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,"listed_in":[],"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 14, Pp 32983-32991 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2026.3662058","doi":"https://doi.org/10.1109/access.2026.3662058","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3662058","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,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332195","display_name":"Samsung","ror":"https://ror.org/04w3jy968"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1510555075","https://openalex.org/W1584830378","https://openalex.org/W1973192665","https://openalex.org/W2013470058","https://openalex.org/W2030177908","https://openalex.org/W2031483399","https://openalex.org/W2078210181","https://openalex.org/W2097535968","https://openalex.org/W2140308859","https://openalex.org/W2144040679","https://openalex.org/W2150846030","https://openalex.org/W2167686056","https://openalex.org/W2252451311","https://openalex.org/W2312378840","https://openalex.org/W2317448409","https://openalex.org/W2324270516","https://openalex.org/W2540999452","https://openalex.org/W2604710118","https://openalex.org/W2735045341","https://openalex.org/W2750268151","https://openalex.org/W2791100449","https://openalex.org/W2889551543","https://openalex.org/W2895365076","https://openalex.org/W2897478384","https://openalex.org/W2947517877","https://openalex.org/W2954395712","https://openalex.org/W3155991567","https://openalex.org/W4210807237","https://openalex.org/W4290694865","https://openalex.org/W4313129555","https://openalex.org/W4319663129","https://openalex.org/W4385626798","https://openalex.org/W4388658472","https://openalex.org/W4402593550"],"related_works":["https://openalex.org/W4402593550","https://openalex.org/W4388658472","https://openalex.org/W4319663129","https://openalex.org/W2094533327","https://openalex.org/W2118100469","https://openalex.org/W2316242496","https://openalex.org/W2097490762","https://openalex.org/W4385626798","https://openalex.org/W2147033496","https://openalex.org/W3093895998"],"abstract_inverted_index":{"This":[0,69],"paper":[1,19],"proposes":[2],"a":[3,23,37,47,63,73,79,113,172],"single-radiator":[4],"multi-port":[5,74],"(SRMP)":[6],"compact":[7,259],"chip":[8,54,260],"antenna":[9,15,55,94,99,119,190,261],"for":[10,51,134,264],"ultra-wideband":[11],"(UWB)":[12],"direction-finding.":[13],"The":[14,117,145,239],"proposed":[16,53,93,118,189,258],"in":[17,112,141,164,266],"this":[18],"is":[20,95,150,178,191,218,262],"miniaturized":[21],"to":[22,127,193,205,231,237],"physical":[24],"size":[25],"of":[26,42,124,175,215,222],"11.5":[27],"mm":[28,31,34],"$\\times":[29,32],"9.46$":[30],"1.6$":[33],"by":[35],"utilizing":[36,83],"ceramic":[38],"substrate":[39],"with":[40,199,270],"high-permittivity":[41],"20.":[43],"Furthermore,":[44],"we":[45],"designed":[46],"CPW":[48],"feed":[49],"line":[50],"the":[52,84,90,92,98,155,161,165,185,188,194,200,213,232,257],"and":[56,67,97,107,167,171,227,250],"verified":[57],"its":[58],"performance":[59],"when":[60],"mounted":[61],"on":[62],"board":[64,196],"through":[65],"simulation":[66],"measurement.":[68],"small":[70],"structure":[71],"includes":[72],"system":[75],"that":[76,256],"can":[77],"replace":[78],"conventional":[80],"array":[81],"system,":[82],"tripod-shaped":[85],"single":[86],"radiator.":[87],"To":[88,183],"verify":[89,184],"feasibility,":[91],"fabricated":[96],"characteristics":[100],"such":[101],"as":[102],"reflection":[103],"coefficients,":[104],"mutual":[105,147],"couplings,":[106],"radiation":[108,162],"patterns":[109,163],"are":[110,169,247],"measured":[111,146,219],"full":[114],"anechoic":[115],"chamber.":[116],"has":[120],"an":[121],"operating":[122,156],"bandwidth":[123],"7":[125],"GHz":[126],"9":[128,137],"GHz,":[129],"which":[130],"makes":[131],"it":[132],"well-suited":[133],"UWB":[135,271],"Channel":[136],"(7.737":[138],"GHz\u20138.236":[139],"GHz)":[140],"Korean":[142],"mobile":[143,267],"devices.":[144],"coupling":[148],"result":[149],"below":[151],"\u221210":[152],"dB":[153],"across":[154],"frequency":[157],"band.":[158],"In":[159],"addition,":[160],"zx-plane":[166],"zy-plane":[168],"anlayzed,":[170],"bore-sight":[173],"gain":[174],"4.2":[176],"dBi":[177],"observed":[179],"at":[180,220,245],"8":[181],"GHz.":[182],"direction-finding":[186,272],"performance,":[187],"connected":[192],"Nordic":[195],"nRF52840":[197],"DK":[198],"commercial":[201],"Qorvo":[202],"DW3000":[203],"module":[204],"obtain":[206],"channel":[207],"impulse":[208],"response":[209],"(CIR)":[210],"data.":[211],"Then,":[212],"direction":[214],"arrival":[216],"(DoA)":[217],"distances":[221,246],"0.3":[223],"m,":[224,226],"1":[225],"2":[228],"m":[229],"according":[230],"incident":[233],"angle":[234],"from":[235],"\u221230\u00b0":[236],"30\u00b0.":[238],"root":[240],"mean":[241],"square":[242],"(RMS)":[243],"errors":[244],"1.1\u00b0,":[248],"1.2\u00b0,":[249],"1.5\u00b0,":[251],"respectively.":[252],"These":[253],"results":[254],"demonstrate":[255],"suitable":[263],"use":[265],"devices":[268],"equipped":[269],"technology.":[273]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-02-09T00:00:00"}