{"id":"https://openalex.org/W3202430957","doi":"https://doi.org/10.1109/access.2021.3138221","title":"Design and Implementation of 5.8 GHz RF Wireless Power Transfer System","display_name":"Design and Implementation of 5.8 GHz RF Wireless Power Transfer System","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3202430957","doi":"https://doi.org/10.1109/access.2021.3138221","mag":"3202430957"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3138221","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3138221","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09662351.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/ielx7/6287639/6514899/09662351.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085135953","display_name":"Je Hyeon Park","orcid":"https://orcid.org/0000-0002-7793-0973"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Je Hyeon Park","raw_affiliation_strings":["Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-7793-0973","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013064509","display_name":"Nguyen Minh Tran","orcid":"https://orcid.org/0000-0002-6509-0284"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Nguyen Minh Tran","raw_affiliation_strings":["Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-6509-0284","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018093032","display_name":"Sa Il Hwang","orcid":null},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sa Il Hwang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022649488","display_name":"Dong In Kim","orcid":"https://orcid.org/0000-0001-7711-8072"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dong In Kim","raw_affiliation_strings":["Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-7711-8072","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111876537","display_name":"Kae Won Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kae Won Choi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea. (e-mail: kaewonchoi@skku.edu)","Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-3680-1403","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea. (e-mail: kaewonchoi@skku.edu)","institution_ids":["https://openalex.org/I848706"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, South Korea","institution_ids":["https://openalex.org/I848706"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111876537"],"corresponding_institution_ids":["https://openalex.org/I848706"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":2.0094,"has_fulltext":true,"cited_by_count":40,"citation_normalized_percentile":{"value":0.86678373,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"9","issue":null,"first_page":"168520","last_page":"168534"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":1.0,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":1.0,"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/T11249","display_name":"Wireless Power Transfer Systems","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/T10069","display_name":"Antenna Design and Analysis","score":0.9983999729156494,"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/wireless-power-transfer","display_name":"Wireless power transfer","score":0.8766047954559326},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.5791182518005371},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5756059288978577},{"id":"https://openalex.org/keywords/near-and-far-field","display_name":"Near and far field","score":0.5440828204154968},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5038594603538513},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49151310324668884},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.47657179832458496},{"id":"https://openalex.org/keywords/maximum-power-transfer-theorem","display_name":"Maximum power transfer theorem","score":0.4302974343299866},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.39896246790885925},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.39707255363464355},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3875850737094879},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.36731305718421936},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3552924394607544},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2963675856590271},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.25299492478370667},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21954593062400818},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21698927879333496},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.1099967360496521}],"concepts":[{"id":"https://openalex.org/C2779423816","wikidata":"https://www.wikidata.org/wiki/Q6856398","display_name":"Wireless power transfer","level":3,"score":0.8766047954559326},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.5791182518005371},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5756059288978577},{"id":"https://openalex.org/C25227671","wikidata":"https://www.wikidata.org/wiki/Q13405516","display_name":"Near and far field","level":2,"score":0.5440828204154968},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5038594603538513},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49151310324668884},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.47657179832458496},{"id":"https://openalex.org/C67186554","wikidata":"https://www.wikidata.org/wiki/Q17103352","display_name":"Maximum power transfer theorem","level":3,"score":0.4302974343299866},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.39896246790885925},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.39707255363464355},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3875850737094879},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.36731305718421936},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3552924394607544},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2963675856590271},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.25299492478370667},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21954593062400818},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21698927879333496},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.1099967360496521},{"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.2021.3138221","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3138221","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09662351.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:3465f670580243bcbf714d88f3c1f93f","is_oa":true,"landing_page_url":"https://doaj.org/article/3465f670580243bcbf714d88f3c1f93f","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 168520-168534 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3138221","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3138221","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09662351.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":[{"score":0.8600000143051147,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2695354093","display_name":null,"funder_award_id":"IITP-2021-0-02046","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G3527950697","display_name":null,"funder_award_id":"IITP-2021-2020-0-01821","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G4342860652","display_name":null,"funder_award_id":"2021-0-02046","funder_id":"https://openalex.org/F4320324891","funder_display_name":"Iran Telecommunication Research Center"},{"id":"https://openalex.org/G5217505250","display_name":null,"funder_award_id":"2020-0-01821","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G5577384859","display_name":null,"funder_award_id":"IITP-2021-0-02046","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G846446940","display_name":null,"funder_award_id":"IITP -2021-2020-0-01821","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G8800380108","display_name":null,"funder_award_id":"IITP-2021-0-02046","funder_id":"https://openalex.org/F4320324891","funder_display_name":"Iran Telecommunication Research Center"}],"funders":[{"id":"https://openalex.org/F4320324891","display_name":"Iran Telecommunication Research Center","ror":"https://ror.org/01a3g2z22"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3202430957.pdf","grobid_xml":"https://content.openalex.org/works/W3202430957.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1964974987","https://openalex.org/W2021528019","https://openalex.org/W2062472118","https://openalex.org/W2069764024","https://openalex.org/W2072192474","https://openalex.org/W2103154960","https://openalex.org/W2306781260","https://openalex.org/W2593959322","https://openalex.org/W2758318087","https://openalex.org/W2794295120","https://openalex.org/W2808025052","https://openalex.org/W2892102532","https://openalex.org/W2945204165","https://openalex.org/W2947771714","https://openalex.org/W2959698263","https://openalex.org/W2962676728","https://openalex.org/W2963061380","https://openalex.org/W2973806192","https://openalex.org/W2984945604","https://openalex.org/W3000290725","https://openalex.org/W3003802608","https://openalex.org/W3008551616","https://openalex.org/W3095210583","https://openalex.org/W3097471338","https://openalex.org/W3105336403","https://openalex.org/W3116354607","https://openalex.org/W3120487332","https://openalex.org/W3130427174","https://openalex.org/W3149988803","https://openalex.org/W3160990427","https://openalex.org/W6793126888"],"related_works":["https://openalex.org/W4205317126","https://openalex.org/W2763444231","https://openalex.org/W2236924022","https://openalex.org/W2766259844","https://openalex.org/W2740114034","https://openalex.org/W2996994402","https://openalex.org/W2944239825","https://openalex.org/W3209221379","https://openalex.org/W4327640760","https://openalex.org/W2156294920"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,100],"present":[4],"a":[5,36,58,91,117],"5.8":[6,105],"GHz":[7,106],"radio-frequency":[8],"(RF)":[9],"wireless":[10,52],"power":[11,53,67,136],"transfer":[12,65,113,137,159],"(WPT)":[13],"system":[14,109],"that":[15,62,102,206],"consists":[16],"of":[17,43,50,119,147,161,183,228],"64":[18],"transmit":[19,175],"antennas":[20],"and":[21,142,149,164,191],"16":[22],"receive":[23],"antennas.":[24],"Unlike":[25],"the":[26,66,71,76,103,123,130,135,154,158,168,173,179,186,199,207,218,226,229],"inductive":[27],"or":[28,80],"resonant":[29],"coupling-based":[30],"near-field":[31,78,193,214],"WPT,":[32],"RF":[33,107],"WPT":[34,93,108],"has":[35,178],"great":[37],"advantage":[38],"in":[39,75],"powering":[40],"low-power":[41],"internet":[42],"things":[44],"(IoT)":[45],"devices":[46],"with":[47,90,122,129],"its":[48],"capability":[49],"long-range":[51],"transfer.":[54],"We":[55],"also":[56],"propose":[57],"beam":[59,85,125,132],"scanning":[60,86,126,133,220],"algorithm":[61,87,209],"can":[63,210],"effectively":[64,211],"no":[68],"matter":[69],"whether":[70],"receiver":[72,170],"is":[73,88,110,194],"located":[74],"radiative":[77,192,213],"zone":[79],"far-field":[81,190,230],"zone.":[82],"The":[83,203],"proposed":[84,124,131,174,208],"verified":[89],"real-life":[92],"testbed":[94],"implemented":[95,104],"by":[96],"ourselves.":[97],"By":[98],"experiments,":[99],"confirm":[101],"able":[111],"to":[112],"3.67":[114],"mW":[115],"at":[116,145,167],"distance":[118,201],"25":[120],"meters":[121,196],"algorithm.":[127],"Moreover,":[128],"algorithm,":[134],"efficiency":[138],"reaches":[139],"20.32":[140],"%":[141,144,163,166],"0.24":[143],"distances":[146],"0.5":[148],"5":[150],"meters,":[151],"respectively,":[152],"whereas":[153],"far-field-only-scanning":[155],"scheme":[156],"achieved":[157],"efficiencies":[160],"13.45":[162],"0.23":[165],"same":[169],"positions.":[171],"Since":[172],"antenna":[176],"array":[177],"maximum":[180],"linear":[181],"dimension":[182],"299.12":[184],"mm,":[185],"approximate":[187],"boundary":[188],"between":[189],"3.45":[195],"based":[197],"on":[198],"Fraunhofer":[200],"calculation.":[202],"results":[204],"show":[205],"cover":[212],"region":[215],"differently":[216],"from":[217],"conventional":[219],"schemes":[221],"which":[222],"are":[223],"designed":[224],"under":[225],"assumption":[227],"WPT.":[231]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":8}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}
