{"id":"https://openalex.org/W3128971003","doi":"https://doi.org/10.1109/access.2021.3052687","title":"Pade-Approximation Based Behavioral Modeling for RF Power Amplifier Design","display_name":"Pade-Approximation Based Behavioral Modeling for RF Power Amplifier Design","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3128971003","doi":"https://doi.org/10.1109/access.2021.3052687","mag":"3128971003"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3052687","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3052687","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09328328.pdf","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":"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"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09328328.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035864296","display_name":"Ciaran Wilson","orcid":"https://orcid.org/0000-0002-2840-7262"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Ciaran Wilson","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University College Dublin, Dublin 4, Ireland"],"raw_orcid":"https://orcid.org/0000-0002-2840-7262","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Dublin 4, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011558492","display_name":"Anding Zhu","orcid":"https://orcid.org/0000-0002-8911-0905"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Anding Zhu","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University College Dublin, Dublin 4, Ireland"],"raw_orcid":"https://orcid.org/0000-0002-8911-0905","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Dublin 4, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078624745","display_name":"Jialin Cai","orcid":"https://orcid.org/0000-0001-8621-1105"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jialin Cai","raw_affiliation_strings":["Key Laboratory of RF Circuit and System, Ministry of Education, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-8621-1105","affiliations":[{"raw_affiliation_string":"Key Laboratory of RF Circuit and System, Ministry of Education, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047532543","display_name":"Justin King","orcid":"https://orcid.org/0000-0002-5144-1821"},"institutions":[{"id":"https://openalex.org/I205274468","display_name":"Trinity College Dublin","ror":"https://ror.org/02tyrky19","country_code":"IE","type":"education","lineage":["https://openalex.org/I205274468"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Justin B. King","raw_affiliation_strings":["Trinity College Dublin, Dublin 2, Ireland"],"raw_orcid":"https://orcid.org/0000-0002-5144-1821","affiliations":[{"raw_affiliation_string":"Trinity College Dublin, Dublin 2, Ireland","institution_ids":["https://openalex.org/I205274468"]}]}],"institutions":[],"countries_distinct_count":2,"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":0.9153,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.73235063,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"9","issue":null,"first_page":"18904","last_page":"18914"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9998999834060669,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9998999834060669,"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/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9966999888420105,"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/amplifier","display_name":"Amplifier","score":0.5607337951660156},{"id":"https://openalex.org/keywords/pad\u00e9-approximant","display_name":"Pad\u00e9 approximant","score":0.5578711628913879},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.5124819278717041},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.5062000155448914},{"id":"https://openalex.org/keywords/extrapolation","display_name":"Extrapolation","score":0.48944559693336487},{"id":"https://openalex.org/keywords/approximation-theory","display_name":"Approximation theory","score":0.48858270049095154},{"id":"https://openalex.org/keywords/linear-approximation","display_name":"Linear approximation","score":0.48812851309776306},{"id":"https://openalex.org/keywords/behavioral-modeling","display_name":"Behavioral modeling","score":0.4566854238510132},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.43857666850090027},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.4301506280899048},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3929588496685028},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.35248732566833496},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3464464843273163},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2787567675113678},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2320510447025299},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.2076091766357422},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14135688543319702},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13698959350585938},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13506829738616943},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.12882161140441895},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1256306767463684},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.11960047483444214}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5607337951660156},{"id":"https://openalex.org/C153150388","wikidata":"https://www.wikidata.org/wiki/Q2452504","display_name":"Pad\u00e9 approximant","level":2,"score":0.5578711628913879},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.5124819278717041},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.5062000155448914},{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.48944559693336487},{"id":"https://openalex.org/C145242015","wikidata":"https://www.wikidata.org/wiki/Q774123","display_name":"Approximation theory","level":2,"score":0.48858270049095154},{"id":"https://openalex.org/C160824197","wikidata":"https://www.wikidata.org/wiki/Q2071054","display_name":"Linear approximation","level":3,"score":0.48812851309776306},{"id":"https://openalex.org/C78639753","wikidata":"https://www.wikidata.org/wiki/Q3318160","display_name":"Behavioral modeling","level":2,"score":0.4566854238510132},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.43857666850090027},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.4301506280899048},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3929588496685028},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.35248732566833496},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3464464843273163},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2787567675113678},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2320510447025299},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.2076091766357422},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14135688543319702},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13698959350585938},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13506829738616943},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.12882161140441895},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1256306767463684},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.11960047483444214},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2021.3052687","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3052687","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09328328.pdf","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":"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:72494fbe4ee741a58ff2acdf49708923","is_oa":true,"landing_page_url":"https://doaj.org/article/72494fbe4ee741a58ff2acdf49708923","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 9, Pp 18904-18914 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3052687","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3052687","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09328328.pdf","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":"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":[],"awards":[{"id":"https://openalex.org/G7226090481","display_name":null,"funder_award_id":"13/RC/2077","funder_id":"https://openalex.org/F4320320847","funder_display_name":"Science Foundation Ireland"}],"funders":[{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3128971003.pdf","grobid_xml":"https://content.openalex.org/works/W3128971003.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W1598164440","https://openalex.org/W1971107054","https://openalex.org/W1990376320","https://openalex.org/W2007534378","https://openalex.org/W2041086929","https://openalex.org/W2081100189","https://openalex.org/W2104100206","https://openalex.org/W2125837891","https://openalex.org/W2141981815","https://openalex.org/W2312800666","https://openalex.org/W2495323230","https://openalex.org/W2507800947","https://openalex.org/W2516998071","https://openalex.org/W2543605793","https://openalex.org/W2619090953","https://openalex.org/W2778777179","https://openalex.org/W2803974379","https://openalex.org/W2808173297","https://openalex.org/W2887401539","https://openalex.org/W2946526448","https://openalex.org/W3216098184","https://openalex.org/W4236498541","https://openalex.org/W6751492717"],"related_works":["https://openalex.org/W2621837466","https://openalex.org/W2149538997","https://openalex.org/W2353970694","https://openalex.org/W2511129698","https://openalex.org/W2783798929","https://openalex.org/W2544959262","https://openalex.org/W2001603808","https://openalex.org/W2422148496","https://openalex.org/W2379341192","https://openalex.org/W1634645479"],"abstract_inverted_index":{"Radio":[0],"frequency":[1],"(RF)":[2],"power":[3,80],"amplifier":[4],"(PA)":[5],"design":[6],"using":[7,166],"Gallium":[8],"Nitride":[9],"(GaN)":[10],"transistor":[11],"technology":[12],"requires":[13],"accurate":[14],"device":[15,182],"models":[16,31,128,199],"in":[17,114,124,179,200],"order":[18],"to":[19,38,69,131,149,170,195],"maximise":[20],"performance":[21],"and":[22,35,81,98],"reduce":[23],"development":[24],"time.":[25],"The":[26],"current":[27],"state-of-the-art":[28],"frequency-domain":[29],"behavioural":[30,168],"focus":[32],"on":[33,165],"linear":[34,46],"quadratic":[36,58],"approximations":[37],"the":[39,45,57,65,73,95,106,125,132,136,144,150,159,167,172,187,196],"polyharmonic":[40],"distortion":[41],"(PHD)":[42],"formalism.":[43],"However,":[44],"approximation":[47,59,91],"suffers":[48,60],"from":[49,61],"poor":[50,62],"accuracy":[51],"under":[52],"load":[53,75,146],"mismatch":[54],"conditions,":[55],"while":[56],"extrapolation":[63],"beyond":[64],"measured":[66],"range,":[67],"leading":[68],"erroneous":[70,141],"predictions":[71],"of":[72,153],"optimum":[74,145,173],"impedances":[76],"for":[77,143,158,175],"maximum":[78,82,176],"output":[79],"drain":[83],"efficiency.":[84],"In":[85,156],"this":[86],"work,":[87],"a":[88,115,180],"rational":[89],"Pad\u00e9-based":[90],"is":[92,100],"proposed":[93,137],"as":[94],"model":[96,109,138,169,189],"core,":[97],"it":[99],"shown,":[101],"through":[102],"experimental":[103],"validation,":[104],"that":[105],"Pad\u00e9":[107,154,188],"approximation-based":[108],"can":[110,120],"provide":[111],"superior":[112],"results":[113,162,185],"more":[116],"scalable":[117],"format.":[118],"It":[119],"mitigate":[121],"problems":[122],"found":[123],"existing":[126],"PHD":[127],"when":[129,193],"applied":[130],"matching":[133],"problem.":[134],"Specifically,":[135],"produces":[139],"fewer":[140],"solutions":[142],"points,":[147],"due":[148],"well-behaved":[151],"nature":[152],"approximants.":[155],"addition,":[157],"first":[160],"time,":[161],"are":[163],"reported":[164],"determine":[171],"impedance":[174],"transducer":[177],"gain":[178],"two-port":[181],"model.":[183],"All":[184],"show":[186],"has":[190],"high":[191],"potential":[192],"compared":[194],"established":[197],"PHD-derived":[198],"RF":[201],"PA":[202],"design.":[203]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
