{"id":"https://openalex.org/W7130537605","doi":"https://doi.org/10.1109/apccas67402.2025.11376677","title":"A 15-20GHz CMOS Variable-Gain Phase Shifter for UAV Detection Radar Systems","display_name":"A 15-20GHz CMOS Variable-Gain Phase Shifter for UAV Detection Radar Systems","publication_year":2025,"publication_date":"2025-10-12","ids":{"openalex":"https://openalex.org/W7130537605","doi":"https://doi.org/10.1109/apccas67402.2025.11376677"},"language":null,"primary_location":{"id":"doi:10.1109/apccas67402.2025.11376677","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas67402.2025.11376677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","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/A5126326793","display_name":"Haram Park","orcid":null},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Haram Park","raw_affiliation_strings":["Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea","institution_ids":["https://openalex.org/I111277659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016305134","display_name":"Mingyu Lee","orcid":"https://orcid.org/0009-0007-9594-0837"},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Mingyu Lee","raw_affiliation_strings":["Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea","institution_ids":["https://openalex.org/I111277659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102097430","display_name":"Eunmi Jo","orcid":null},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Eunchae Jo","raw_affiliation_strings":["Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea","institution_ids":["https://openalex.org/I111277659"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hyeonwon Song","orcid":null},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyeonwon Song","raw_affiliation_strings":["Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea","institution_ids":["https://openalex.org/I111277659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066875841","display_name":"Seungchan Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seungchan Lee","raw_affiliation_strings":["Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea","institution_ids":["https://openalex.org/I111277659"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101413982","display_name":"Jinseok Park","orcid":"https://orcid.org/0000-0002-0389-9707"},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jinseok Park","raw_affiliation_strings":["Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chonnam National University,Department of Intelligent Electronics and Computer Engineering,Gwangju,South Korea","institution_ids":["https://openalex.org/I111277659"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.57452685,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.6370999813079834,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.6370999813079834,"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":0.13770000636577606,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.03889999911189079,"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/phase-shift-module","display_name":"Phase shift module","score":0.7878999710083008},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.6962000131607056},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4975000023841858},{"id":"https://openalex.org/keywords/impedance-matching","display_name":"Impedance matching","score":0.49070000648498535},{"id":"https://openalex.org/keywords/insertion-loss","display_name":"Insertion loss","score":0.421999990940094},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.40799999237060547},{"id":"https://openalex.org/keywords/chip","display_name":"Chip","score":0.4007999897003174},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.39579999446868896},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.3903000056743622}],"concepts":[{"id":"https://openalex.org/C103864889","wikidata":"https://www.wikidata.org/wiki/Q4480524","display_name":"Phase shift module","level":3,"score":0.7878999710083008},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.6962000131607056},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.503600001335144},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4975000023841858},{"id":"https://openalex.org/C612350","wikidata":"https://www.wikidata.org/wiki/Q1761108","display_name":"Impedance matching","level":3,"score":0.49070000648498535},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4366999864578247},{"id":"https://openalex.org/C90327742","wikidata":"https://www.wikidata.org/wiki/Q947396","display_name":"Insertion loss","level":2,"score":0.421999990940094},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.40799999237060547},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.40119999647140503},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.4007999897003174},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.39579999446868896},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.3903000056743622},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38119998574256897},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3734999895095825},{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.3596999943256378},{"id":"https://openalex.org/C7054721","wikidata":"https://www.wikidata.org/wiki/Q1940572","display_name":"Center frequency","level":3,"score":0.3271999955177307},{"id":"https://openalex.org/C110086884","wikidata":"https://www.wikidata.org/wiki/Q2085341","display_name":"Phase detector","level":3,"score":0.30469998717308044},{"id":"https://openalex.org/C2780992000","wikidata":"https://www.wikidata.org/wiki/Q17016113","display_name":"Generator (circuit theory)","level":3,"score":0.3025999963283539},{"id":"https://openalex.org/C2989430983","wikidata":"https://www.wikidata.org/wiki/Q1752602","display_name":"Phase control","level":3,"score":0.30149999260902405},{"id":"https://openalex.org/C55494473","wikidata":"https://www.wikidata.org/wiki/Q727898","display_name":"Phased array","level":3,"score":0.2890999913215637},{"id":"https://openalex.org/C207912722","wikidata":"https://www.wikidata.org/wiki/Q1259123","display_name":"Signal generator","level":3,"score":0.2874999940395355},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.27379998564720154},{"id":"https://openalex.org/C206755178","wikidata":"https://www.wikidata.org/wiki/Q1131271","display_name":"Capacitive sensing","level":2,"score":0.27090001106262207},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.26969999074935913},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.26109999418258667},{"id":"https://openalex.org/C2779816760","wikidata":"https://www.wikidata.org/wiki/Q365988","display_name":"True time delay","level":4,"score":0.2563000023365021},{"id":"https://openalex.org/C58112919","wikidata":"https://www.wikidata.org/wiki/Q631203","display_name":"Output impedance","level":3,"score":0.25209999084472656}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas67402.2025.11376677","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas67402.2025.11376677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2547827581","display_name":null,"funder_award_id":"2023-00211916","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G8544739974","display_name":null,"funder_award_id":"2025-RS-2024-00436837","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2090889213","https://openalex.org/W2131556268","https://openalex.org/W2920838253","https://openalex.org/W2947038249","https://openalex.org/W3113489463","https://openalex.org/W3130957618","https://openalex.org/W4205291073","https://openalex.org/W4285148860","https://openalex.org/W4312287534","https://openalex.org/W4312863740","https://openalex.org/W4322706898","https://openalex.org/W4364860114","https://openalex.org/W4388754132","https://openalex.org/W4392745163","https://openalex.org/W4401114515","https://openalex.org/W4403636185","https://openalex.org/W4405598842","https://openalex.org/W4405846133"],"related_works":[],"abstract_inverted_index":{"This":[0,63],"paper":[1],"presents":[2],"a":[3,52,74,88,104,139,147],"<tex":[4,98,109,115,160,166],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[5,99,110,116,161,167],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\mathbf{1":[6,111],"5}-\\mathbf{2":[7],"0":[8],"~":[9,120,171],"G":[10,121],"H":[11,122],"z}$</tex>":[12],"CMOS":[13,91],"variable":[14],"variable-gain":[15],"phase":[16,24,29,48,83,149,153],"shifter":[17,30,84],"(VGPS)":[18],"that":[19,35],"enables":[20],"simultaneous":[21],"control":[22,143],"of":[23,68,128],"and":[25,60,70,93,146,154,165],"gain.":[26],"The":[27,82,135,151],"designed":[28,86],"employs":[31],"the":[32,43,58,94,132],"I/Q":[33,59],"generator":[34],"is":[36,55,66,71,85,97],"robust":[37],"against":[38],"load":[39],"impedance":[40],"variations.":[41],"Consequently,":[42],"proposed":[44],"design":[45],"achieves":[46,103],"low":[47],"error,":[49],"even":[50],"when":[51],"matching":[53,64],"network":[54,65],"inserted":[56],"between":[57],"vector":[61],"generators.":[62],"composed":[67],"inductors":[69],"implemented":[72],"in":[73],"compact":[75],"form":[76],"through":[77],"an":[78,125],"efficient":[79],"layout":[80],"design.":[81],"using":[87],"65":[89],"nm":[90],"process,":[92],"chip":[95],"area":[96],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$0.31":[100],"~\\text{mm}^{2}$</tex>.":[101],"It":[102],"3-dB":[105],"bandwidth":[106],"ranging":[107],"from":[108],"5.":[112],"5}$</tex>":[113],"to":[114],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\mathbf{2":[117],"0.":[118],"5":[119],"z}$</tex>,":[123],"with":[124],"insertion":[126],"loss":[127],"-2.8":[129],"dB":[130,141],"at":[131],"center":[133],"frequency.":[134],"developed":[136],"VGPS":[137],"exhibits":[138],"20":[140],"gain":[142,155],"dynamic":[144],"range":[145],"5.625\u00b0":[148],"resolution.":[150],"rms":[152],"errors":[156],"are":[157],"less":[158],"than":[159],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\mathbf{1.":[162],"4":[163],"5}^{\\boldsymbol{\\circ}}$</tex>":[164],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\mathbf{0.":[168],"2":[169],"3":[170],"d":[172],"B}$</tex>,":[173],"respectively.":[174]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-02-20T00:00:00"}