{"id":"https://openalex.org/W4307562018","doi":"https://doi.org/10.11591/ijece.v13i1.pp579-589","title":"Frequency reconfigurable rectangular patch antenna for cognitive radio applications","display_name":"Frequency reconfigurable rectangular patch antenna for cognitive radio applications","publication_year":2022,"publication_date":"2022-10-25","ids":{"openalex":"https://openalex.org/W4307562018","doi":"https://doi.org/10.11591/ijece.v13i1.pp579-589"},"language":"en","primary_location":{"id":"doi:10.11591/ijece.v13i1.pp579-589","doi":"https://doi.org/10.11591/ijece.v13i1.pp579-589","is_oa":true,"landing_page_url":"https://doi.org/10.11591/ijece.v13i1.pp579-589","pdf_url":"https://ijece.iaescore.com/index.php/IJECE/article/download/26113/16223","source":{"id":"https://openalex.org/S4210235676","display_name":"International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering","issn_l":"2722-256X","issn":["2722-256X","2722-2578"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1"],"host_organization":"https://openalex.org/P4310315009","host_organization_name":"Institute of Advanced Engineering and Science (IAES)","host_organization_lineage":["https://openalex.org/P4310315009"],"host_organization_lineage_names":["Institute of Advanced Engineering and Science (IAES)"],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE)","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://ijece.iaescore.com/index.php/IJECE/article/download/26113/16223","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070217778","display_name":"Manjuanatha Kurugodu Hanumanthappa","orcid":"https://orcid.org/0000-0001-9800-6475","observed_orcids":["https://orcid.org/0000-0001-9800-6475"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Manjuanatha Kurugodu Hanumanthappa","raw_affiliation_strings":["Proudhadevaraya Institute of Technology"],"raw_orcid":"https://orcid.org/0000-0001-9800-6475","affiliations":[{"raw_affiliation_string":"Proudhadevaraya Institute of Technology","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077003955","display_name":"Shilpa Mehta","orcid":"https://orcid.org/0000-0002-9447-9897","observed_orcids":["https://orcid.org/0000-0002-9447-9897"]},"institutions":[{"id":"https://openalex.org/I157674215","display_name":"Presidency University","ror":"https://ror.org/04xgbph11","country_code":"IN","type":"education","lineage":["https://openalex.org/I157674215"]},{"id":"https://openalex.org/I4391767897","display_name":"Presidency University","ror":"https://ror.org/03218pf76","country_code":"IN","type":"education","lineage":["https://openalex.org/I4391767897"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Shilpa Mehta","raw_affiliation_strings":["Presidency University"],"raw_orcid":"https://orcid.org/0000-0002-9447-9897","affiliations":[{"raw_affiliation_string":"Presidency University","institution_ids":["https://openalex.org/I157674215","https://openalex.org/I4391767897"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1112,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.3622634,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"13","issue":"1","first_page":"579","last_page":"579"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9937000274658203,"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"}},"topics":[{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9937000274658203,"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"}},{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.003700000001117587,"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"}},{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.000699999975040555,"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/frequency-reconfigurable-antenna","display_name":"frequency reconfigurable antenna","score":0.9919999837875366},{"id":"https://openalex.org/keywords/rectangular-patch-antenna","display_name":"rectangular patch antenna","score":0.9330000281333923},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"cognitive radio","score":0.8840000033378601},{"id":"https://openalex.org/keywords/varactor-diodes","display_name":"varactor diodes","score":0.7829999923706055},{"id":"https://openalex.org/keywords/microstrip-patch-antenna","display_name":"microstrip patch antenna","score":0.4099999964237213},{"id":"https://openalex.org/keywords/spectrum-holes","display_name":"spectrum holes","score":0.527999997138977},{"id":"https://openalex.org/keywords/s-band","display_name":"S-band","score":0.7649999856948853},{"id":"https://openalex.org/keywords/c-band","display_name":"C-band","score":0.9990000128746033},{"id":"https://openalex.org/keywords/5-8-ghz-band","display_name":"5.8 GHz","score":0.8450000286102295},{"id":"https://openalex.org/keywords/coaxial-feed","display_name":"coaxial feed","score":0.628000020980835},{"id":"https://openalex.org/keywords/fr-4-substrate","display_name":"FR4 substrate","score":0.5569999814033508},{"id":"https://openalex.org/keywords/return-loss","display_name":"return loss","score":0.5109999775886536},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"radiation pattern","score":0.5870000123977661}],"concepts":[{"id":"https://openalex.org/C196901423","wikidata":"https://www.wikidata.org/wiki/Q3933836","display_name":"Return loss","level":3,"score":0.726981520652771},{"id":"https://openalex.org/C163985990","wikidata":"https://www.wikidata.org/wiki/Q188364","display_name":"Standing wave ratio","level":4,"score":0.6639918088912964},{"id":"https://openalex.org/C2776844852","wikidata":"https://www.wikidata.org/wiki/Q106872782","display_name":"HFSS","level":4,"score":0.6181336641311646},{"id":"https://openalex.org/C159238334","wikidata":"https://www.wikidata.org/wiki/Q1419428","display_name":"Patch antenna","level":3,"score":0.5666860342025757},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5382530093193054},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5172362923622131},{"id":"https://openalex.org/C92545706","wikidata":"https://www.wikidata.org/wiki/Q902174","display_name":"Radio spectrum","level":2,"score":0.5155115127563477},{"id":"https://openalex.org/C52236655","wikidata":"https://www.wikidata.org/wiki/Q2628074","display_name":"PIN diode","level":3,"score":0.4688476324081421},{"id":"https://openalex.org/C123657345","wikidata":"https://www.wikidata.org/wiki/Q639055","display_name":"Microstrip","level":2,"score":0.4388345181941986},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.42369601130485535},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.419823557138443},{"id":"https://openalex.org/C2778753569","wikidata":"https://www.wikidata.org/wiki/Q1960395","display_name":"Span (engineering)","level":2,"score":0.4154358506202698},{"id":"https://openalex.org/C170349913","wikidata":"https://www.wikidata.org/wiki/Q13402882","display_name":"Microstrip antenna","level":3,"score":0.4119799733161926},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3842350244522095},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.36144644021987915},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3565521240234375},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3233225345611572},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2568114399909973},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.24844762682914734},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.24644604325294495},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14151647686958313},{"id":"https://openalex.org/C147176958","wikidata":"https://www.wikidata.org/wiki/Q77590","display_name":"Civil engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.11591/ijece.v13i1.pp579-589","doi":"https://doi.org/10.11591/ijece.v13i1.pp579-589","is_oa":true,"landing_page_url":"https://doi.org/10.11591/ijece.v13i1.pp579-589","pdf_url":"https://ijece.iaescore.com/index.php/IJECE/article/download/26113/16223","source":{"id":"https://openalex.org/S4210235676","display_name":"International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering","issn_l":"2722-256X","issn":["2722-256X","2722-2578"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1"],"host_organization":"https://openalex.org/P4310315009","host_organization_name":"Institute of Advanced Engineering and Science (IAES)","host_organization_lineage":["https://openalex.org/P4310315009"],"host_organization_lineage_names":["Institute of Advanced Engineering and Science (IAES)"],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE)","raw_type":"journal-article"},{"id":"pmh:oai:zenodo.org:7440008","doi":null,"is_oa":true,"landing_page_url":"https://zenodo.org/record/7440008","pdf_url":"https://zenodo.org/record/7440008","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE) 13(1) 579-589","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.11591/ijece.v13i1.pp579-589","doi":"https://doi.org/10.11591/ijece.v13i1.pp579-589","is_oa":true,"landing_page_url":"https://doi.org/10.11591/ijece.v13i1.pp579-589","pdf_url":"https://ijece.iaescore.com/index.php/IJECE/article/download/26113/16223","source":{"id":"https://openalex.org/S4210235676","display_name":"International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering","issn_l":"2722-256X","issn":["2722-256X","2722-2578"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1"],"host_organization":"https://openalex.org/P4310315009","host_organization_name":"Institute of Advanced Engineering and Science (IAES)","host_organization_lineage":["https://openalex.org/P4310315009"],"host_organization_lineage_names":["Institute of Advanced Engineering and Science (IAES)"],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE)","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4307562018.pdf","grobid_xml":"https://content.openalex.org/works/W4307562018.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W1524573041","https://openalex.org/W1844045465","https://openalex.org/W1995908813","https://openalex.org/W2015401885","https://openalex.org/W2036622231","https://openalex.org/W2055262629","https://openalex.org/W2079861802","https://openalex.org/W2088202695","https://openalex.org/W2089610240","https://openalex.org/W2094755917","https://openalex.org/W2107752757","https://openalex.org/W2109181896","https://openalex.org/W2120184226","https://openalex.org/W2128238971","https://openalex.org/W2129393855","https://openalex.org/W2130145163","https://openalex.org/W2134534066","https://openalex.org/W2158387594","https://openalex.org/W2159995864","https://openalex.org/W2166884080","https://openalex.org/W2241973908","https://openalex.org/W2347134653","https://openalex.org/W2546605693","https://openalex.org/W2605049359","https://openalex.org/W2766232910","https://openalex.org/W2809858945","https://openalex.org/W2887465040","https://openalex.org/W2898347494","https://openalex.org/W2899406671","https://openalex.org/W2908862575","https://openalex.org/W2963893383","https://openalex.org/W2967579918","https://openalex.org/W2973007116","https://openalex.org/W3004363892","https://openalex.org/W3127055658","https://openalex.org/W3131558562","https://openalex.org/W3152307115","https://openalex.org/W3153297211","https://openalex.org/W3171595300","https://openalex.org/W4220836225","https://openalex.org/W4253130269","https://openalex.org/W6808612582"],"related_works":["https://openalex.org/W2966204297","https://openalex.org/W3045863546","https://openalex.org/W2721566393","https://openalex.org/W2035222923","https://openalex.org/W2130672008","https://openalex.org/W4312674207","https://openalex.org/W2738161518","https://openalex.org/W2110541106","https://openalex.org/W4311640161","https://openalex.org/W4205198959"],"abstract_inverted_index":{"A":[0,40,52],"frequency":[1,98],"reconfigurable":[2],"microstrip":[3],"transformed":[4],"rectangular":[5,41,164],"patch":[6,43,84,165],"antenna":[7],"consisting":[8],"of":[9,70,82,103,131,167,184],"two":[10,77,89],"slots":[11,66],"able":[12],"to":[13],"radiate":[14],"in":[15,57,92,100],"S-band":[16],"and":[17,31,34,123,156,171,178],"C-band":[18],"is":[19,23,44,55,85,112,138,145,147,166,186,192],"proposed.":[20],"Spectrum":[21],"occupancy":[22,111],"first":[24],"analyzed":[25,127],"using":[26,88],"the":[27,58,76,83,93,101,109,132,161,163,199],"data":[28],"from":[29],"literature":[30],"internet":[32],"sources":[33],"hence":[35],"spectrum":[36],"holes":[37],"are":[38,73,106,126],"identified.":[39],"radiating":[42],"then":[45],"designed":[46],"for":[47,128,140,181],"5.8":[48],"GHz":[49],"resonant":[50],"frequency.":[51],"coaxial":[53],"feed":[54,63],"used":[56,139,148],"bottom":[59],"by":[60,87],"a":[61],"suitable":[62],"point.":[64],"Two":[65],"at":[67,75],"an":[68],"angle":[69],"+45":[71],"degree":[72],"made":[74],"corners.":[78],"The":[79,95,115,175,188,194],"electrical":[80],"length":[81,157,172],"changed":[86],"varactor":[90],"diodes":[91],"slots.":[94],"varactors":[96],"enable":[97],"reconfiguration":[99],"band":[102],"frequencies":[104],"that":[105],"unused":[107],"or":[108],"spectral":[110],"very":[113],"less.":[114],"return":[116,176],"loss,":[117],"voltage":[118],"standing":[119],"wave":[120],"ratio":[121,190],"(VSWR),":[122],"2D-radiation":[124],"patterns":[125,180],"various":[129],"values":[130,183],"capacitances.":[133],"high-frequency":[134],"structure":[135],"simulator":[136],"(HFSS)":[137],"simulation.":[141],"FR4":[142],"substrate":[143,162],"which":[144],"economical,":[146],"with":[149,198],"height,":[150],"h=1.6":[151],"mm,":[152,155],"width":[153,168],"W=25.33":[154],"L=21.34":[158],"mm.":[159,174],"On":[160],"15.73":[169],"mm":[170],"11.74":[173],"loss":[177],"radiation":[179],"different":[182],"capacitances":[185],"presented.":[187],"tunability":[189],"obtained":[191,196],"1.93.":[193],"results":[195],"agree":[197],"standards.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-10-27T15:51:10.671819","created_date":"2022-11-03T00:00:00"}
