{"id":"https://openalex.org/W3115057166","doi":"https://doi.org/10.1587/transcom.2020ebp3048","title":"A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Bridge Line","display_name":"A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Bridge Line","publication_year":2020,"publication_date":"2020-12-21","ids":{"openalex":"https://openalex.org/W3115057166","doi":"https://doi.org/10.1587/transcom.2020ebp3048","mag":"3115057166"},"language":"en","primary_location":{"id":"doi:10.1587/transcom.2020ebp3048","doi":"https://doi.org/10.1587/transcom.2020ebp3048","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2020ebp3048","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W3115057166"],"child_works_count":0,"type":"article","is_traditional":true,"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/A5061382796","display_name":"Quang Quan Phung","orcid":"https://orcid.org/0000-0003-3589-1520","observed_orcids":["https://orcid.org/0000-0003-3589-1520"]},"institutions":[{"id":"https://openalex.org/I11414854","display_name":"National Defence Academy","ror":"https://ror.org/021twv479","country_code":"IN","type":"education","lineage":["https://openalex.org/I11414854"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Quang Quan PHUNG","raw_affiliation_strings":["Graduate School of Science and Engineering, National Defense Academy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Engineering, National Defense Academy","institution_ids":["https://openalex.org/I11414854"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100677170","display_name":"Tuan Hung Nguyen","orcid":"https://orcid.org/0000-0002-3288-0917","observed_orcids":["https://orcid.org/0000-0002-3288-0917"]},"institutions":[{"id":"https://openalex.org/I131359167","display_name":"Le Quy Don Technical University","ror":"https://ror.org/04wgyjv21","country_code":"VN","type":"education","lineage":["https://openalex.org/I131359167"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Tuan Hung NGUYEN","raw_affiliation_strings":["Le Quy Don Technical University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Le Quy Don Technical University","institution_ids":["https://openalex.org/I131359167"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067843366","display_name":"Naobumi Michishita","orcid":"https://orcid.org/0000-0002-9776-2639","observed_orcids":["https://orcid.org/0000-0002-9776-2639"]},"institutions":[{"id":"https://openalex.org/I11414854","display_name":"National Defence Academy","ror":"https://ror.org/021twv479","country_code":"IN","type":"education","lineage":["https://openalex.org/I11414854"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Naobumi MICHISHITA","raw_affiliation_strings":["Graduate School of Science and Engineering, National Defense Academy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Engineering, National Defense Academy","institution_ids":["https://openalex.org/I11414854"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020062413","display_name":"Hiroshi Sat\u014d","orcid":"https://orcid.org/0000-0002-5039-2722","observed_orcids":["https://orcid.org/0000-0002-5039-2722"]},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi SATO","raw_affiliation_strings":["Panasonic Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076491760","display_name":"Yoshio Koyanagi","orcid":"https://orcid.org/0000-0001-5366-5231","observed_orcids":["https://orcid.org/0000-0001-5366-5231"]},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshio KOYANAGI","raw_affiliation_strings":["Panasonic Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036782125","display_name":"Hisashi Morishita","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11414854","display_name":"National Defence Academy","ror":"https://ror.org/021twv479","country_code":"IN","type":"education","lineage":["https://openalex.org/I11414854"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Hisashi MORISHITA","raw_affiliation_strings":["Graduate School of Science and Engineering, National Defense Academy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Engineering, National Defense Academy","institution_ids":["https://openalex.org/I11414854"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4303,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.55890623,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":95},"biblio":{"volume":"E104.B","issue":"6","first_page":"630","last_page":"638"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9976000189781189,"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":0.9976000189781189,"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/T11946","display_name":"Antenna Design and Optimization","score":0.0003000000142492354,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.0003000000142492354,"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/planar-inverted-f-antenna","display_name":"planar inverted-F antenna","score":0.9679999947547913},{"id":"https://openalex.org/keywords/mutual-coupling-reduction","display_name":"mutual coupling reduction","score":0.8949999809265137},{"id":"https://openalex.org/keywords/decoupling-method","display_name":"decoupling method","score":0.7450000047683716},{"id":"https://openalex.org/keywords/parasitic-elements","display_name":"parasitic elements","score":0.9810000061988831},{"id":"https://openalex.org/keywords/resonant-frequency-shift","display_name":"resonant frequency shift","score":0.7850000262260437},{"id":"https://openalex.org/keywords/impedance-matching","display_name":"impedance matching","score":0.9419999718666077},{"id":"https://openalex.org/keywords/antenna-efficiency","display_name":"antenna efficiency","score":0.9440000057220459},{"id":"https://openalex.org/keywords/multi-element-antenna-arrays","display_name":"multi-element antenna arrays","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C205606062","wikidata":"https://www.wikidata.org/wiki/Q5249645","display_name":"Decoupling (probability)","level":2,"score":0.892983615398407},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6188733577728271},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5407469272613525},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.5169731974601746},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.48874568939208984},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.4381641447544098},{"id":"https://openalex.org/C612350","wikidata":"https://www.wikidata.org/wiki/Q1761108","display_name":"Impedance matching","level":3,"score":0.4249178469181061},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38918691873550415},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3606799244880676},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.35842740535736084},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3334508538246155},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31661146879196167},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.22781842947006226},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1223888099193573},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.0},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transcom.2020ebp3048","doi":"https://doi.org/10.1587/transcom.2020ebp3048","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2020ebp3048","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5378999710083008,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1667950888","https://openalex.org/W1976538210","https://openalex.org/W1979559785","https://openalex.org/W1988919837","https://openalex.org/W1988980129","https://openalex.org/W2000585537","https://openalex.org/W2021180083","https://openalex.org/W2025800403","https://openalex.org/W2052185701","https://openalex.org/W2082959455","https://openalex.org/W2116573127","https://openalex.org/W2135908099","https://openalex.org/W2137057164","https://openalex.org/W2139448384","https://openalex.org/W2147688533","https://openalex.org/W2149138969","https://openalex.org/W2165420555","https://openalex.org/W2166324988","https://openalex.org/W2612391895","https://openalex.org/W2779510710","https://openalex.org/W2916706240","https://openalex.org/W2918941554","https://openalex.org/W3008827772"],"related_works":["https://openalex.org/W3003677470","https://openalex.org/W4281551866","https://openalex.org/W4313413819","https://openalex.org/W4377236020","https://openalex.org/W3200010532","https://openalex.org/W4327640204","https://openalex.org/W4212879642","https://openalex.org/W4200438525","https://openalex.org/W2029328538","https://openalex.org/W4413205449"],"abstract_inverted_index":{"In":[0,183],"this":[1],"study,":[2],"a":[3,13,31,37,51,65,124,126,153,211],"novel":[4],"decoupling":[5,33,127],"method":[6,27,34,93,128,206],"using":[7,149],"parasitic":[8],"elements":[9,46,84,226],"(PEs)":[10],"connected":[11,48,151],"by":[12,50,152],"bridge":[14],"line":[15],"(BL)":[16],"for":[17,216],"two":[18],"planar":[19],"inverted-F":[20],"antennas":[21,108,135],"(PIFAs)":[22],"is":[23,28,89,94,143,168,207],"proposed.":[24],"The":[25],"proposed":[26],"developed":[29],"from":[30,159,201],"well-known":[32],"that":[35,129,148,164],"uses":[36],"BL":[38,154],"to":[39,64,69,105,117,161,177,190,203,209],"directly":[40,49,109,136],"connect":[41,106],"antenna":[42,45,83,114,141,199],"elements.":[43],"When":[44],"are":[47],"BL,":[52],"strong":[53],"mutual":[54,120,157,219],"coupling":[55,121,158,220],"can":[56,187],"be":[57,86,188,210],"reduced,":[58],"but":[59],"the":[60,71,75,78,82,92,99,107,112,139,156,165,171,179,191,218,228],"resonant":[61,72,166],"frequency":[62,73,167,173],"shifts":[63],"different":[66],"frequency.":[67],"Hence,":[68],"shift":[70],"toward":[74],"desired":[76,172,192],"frequency,":[77,193],"original":[79,113,140,180],"size":[80,142],"of":[81,224],"must":[85],"adjusted.":[87],"This":[88,145,205],"disadvantageous":[90],"if":[91],"applied":[95],"in":[96,122,195,227],"cases":[97],"where":[98],"design":[100],"conditions":[101],"render":[102],"it":[103],"difficult":[104],"or":[110],"adjust":[111,178],"size.":[115,182],"Therefore,":[116],"easily":[118],"reduce":[119],"such":[123],"case,":[125],"does":[130],"not":[131],"require":[132],"both":[133],"connecting":[134],"and":[137,163,213],"adjusting":[138],"necessitated.":[144],"study":[146],"demonstrates":[147],"PEs":[150],"reduces":[155],"-6.6":[160],"-14.1dB,":[162],"maintained":[169],"at":[170],"(2.0GHz)":[174],"without":[175],"having":[176],"PIFAs":[181],"addition,":[184],"impedance":[185],"matching":[186],"adjusted":[189],"resulting":[194],"an":[196],"improved":[197],"total":[198],"efficiency":[200],"77.4%":[202],"94.6%.":[204],"expected":[208],"simple":[212],"effective":[214],"approach":[215],"reducing":[217],"between":[221],"larger":[222],"numbers":[223],"PIFA":[225],"future.":[229]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-01T08:54:57.152042","created_date":"2021-01-05T00:00:00"}