{"id":"https://openalex.org/W3103480629","doi":"https://doi.org/10.1109/access.2020.3038759","title":"A Radial Line Slot-Array Antenna With Low Side Lobes and a Uniform-Phase, Tapered-Amplitude Aperture Field Distribution","display_name":"A Radial Line Slot-Array Antenna With Low Side Lobes and a Uniform-Phase, Tapered-Amplitude Aperture Field Distribution","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3103480629","doi":"https://doi.org/10.1109/access.2020.3038759","mag":"3103480629"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3038759","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3038759","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09261360.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/ielx7/6287639/6514899/09261360.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013911301","display_name":"Mst Nishat Yasmin Koli","orcid":"https://orcid.org/0000-0003-3386-9995"},"institutions":[{"id":"https://openalex.org/I99043593","display_name":"Macquarie University","ror":"https://ror.org/01sf06y89","country_code":"AU","type":"education","lineage":["https://openalex.org/I99043593"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Mst Nishat Yasmin Koli","raw_affiliation_strings":["School of Engineering, Macquarie University, Sydney, NSW, Australia"],"raw_orcid":"https://orcid.org/0000-0003-3386-9995","affiliations":[{"raw_affiliation_string":"School of Engineering, Macquarie University, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I99043593"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087075969","display_name":"Muhammad U. Afzal","orcid":null},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Muhamamd U. Afzal","raw_affiliation_strings":["School of Electrical and Data Engineering, University of Technology, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Data Engineering, University of Technology, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032248949","display_name":"Karu P. Esselle","orcid":"https://orcid.org/0000-0002-3681-0086"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Karu P. Esselle","raw_affiliation_strings":["School of Electrical and Data Engineering, University of Technology, Sydney, NSW, Australia"],"raw_orcid":"https://orcid.org/0000-0002-3681-0086","affiliations":[{"raw_affiliation_string":"School of Electrical and Data Engineering, University of Technology, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010685973","display_name":"Raheel M. Hashmi","orcid":"https://orcid.org/0000-0002-2719-5982"},"institutions":[{"id":"https://openalex.org/I99043593","display_name":"Macquarie University","ror":"https://ror.org/01sf06y89","country_code":"AU","type":"education","lineage":["https://openalex.org/I99043593"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Raheel M. Hashmi","raw_affiliation_strings":["School of Engineering, Macquarie University, Sydney, NSW, Australia"],"raw_orcid":"https://orcid.org/0000-0002-2719-5982","affiliations":[{"raw_affiliation_string":"School of Engineering, Macquarie University, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I99043593"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5013911301"],"corresponding_institution_ids":["https://openalex.org/I99043593"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":26.0637,"has_fulltext":true,"cited_by_count":22,"citation_normalized_percentile":{"value":0.99069224,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"8","issue":null,"first_page":"208532","last_page":"208542"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9994999766349792,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9912999868392944,"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/tapering","display_name":"Tapering","score":0.690672755241394},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5964698791503906},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5753904581069946},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.5328952074050903},{"id":"https://openalex.org/keywords/radial-line","display_name":"Radial line","score":0.5247561931610107},{"id":"https://openalex.org/keywords/aperture","display_name":"Aperture (computer memory)","score":0.5230822563171387},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"Radiation pattern","score":0.488693505525589},{"id":"https://openalex.org/keywords/side-lobe","display_name":"Side lobe","score":0.4882652759552002},{"id":"https://openalex.org/keywords/antenna-aperture","display_name":"Antenna aperture","score":0.4789988696575165},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.46291640400886536},{"id":"https://openalex.org/keywords/reflection-coefficient","display_name":"Reflection coefficient","score":0.4431028962135315},{"id":"https://openalex.org/keywords/radius","display_name":"RADIUS","score":0.4355233311653137},{"id":"https://openalex.org/keywords/slotted-waveguide","display_name":"Slotted waveguide","score":0.410102516412735},{"id":"https://openalex.org/keywords/slot-antenna","display_name":"Slot antenna","score":0.34633421897888184},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3205741047859192},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24706146121025085},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.18368110060691833}],"concepts":[{"id":"https://openalex.org/C114138010","wikidata":"https://www.wikidata.org/wiki/Q7684542","display_name":"Tapering","level":2,"score":0.690672755241394},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5964698791503906},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5753904581069946},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.5328952074050903},{"id":"https://openalex.org/C94851619","wikidata":"https://www.wikidata.org/wiki/Q211851","display_name":"Radial line","level":2,"score":0.5247561931610107},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.5230822563171387},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.488693505525589},{"id":"https://openalex.org/C181856588","wikidata":"https://www.wikidata.org/wiki/Q2040092","display_name":"Side lobe","level":3,"score":0.4882652759552002},{"id":"https://openalex.org/C137705275","wikidata":"https://www.wikidata.org/wiki/Q571946","display_name":"Antenna aperture","level":4,"score":0.4789988696575165},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.46291640400886536},{"id":"https://openalex.org/C41700454","wikidata":"https://www.wikidata.org/wiki/Q1852282","display_name":"Reflection coefficient","level":2,"score":0.4431028962135315},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.4355233311653137},{"id":"https://openalex.org/C2779957024","wikidata":"https://www.wikidata.org/wiki/Q2369099","display_name":"Slotted waveguide","level":5,"score":0.410102516412735},{"id":"https://openalex.org/C109026120","wikidata":"https://www.wikidata.org/wiki/Q2369099","display_name":"Slot antenna","level":4,"score":0.34633421897888184},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3205741047859192},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24706146121025085},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.18368110060691833},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2020.3038759","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3038759","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09261360.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:e791c06fc68c492c88a8820622b38fd5","is_oa":true,"landing_page_url":"https://doaj.org/article/e791c06fc68c492c88a8820622b38fd5","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 8, Pp 208532-208542 (2020)","raw_type":"article"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/145026","is_oa":false,"landing_page_url":"http://hdl.handle.net/10453/145026","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3038759","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3038759","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09261360.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":0.7400000095367432,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320591","display_name":"Macquarie University","ror":"https://ror.org/01sf06y89"},{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3103480629.pdf","grobid_xml":"https://content.openalex.org/works/W3103480629.grobid-xml"},"referenced_works_count":52,"referenced_works":["https://openalex.org/W206127065","https://openalex.org/W1647572132","https://openalex.org/W1942391145","https://openalex.org/W1965912782","https://openalex.org/W1965959849","https://openalex.org/W1977163684","https://openalex.org/W1982686915","https://openalex.org/W1998268732","https://openalex.org/W2003063566","https://openalex.org/W2006787002","https://openalex.org/W2040215716","https://openalex.org/W2046899571","https://openalex.org/W2061109501","https://openalex.org/W2068141439","https://openalex.org/W2069041553","https://openalex.org/W2077437852","https://openalex.org/W2080052289","https://openalex.org/W2084365064","https://openalex.org/W2099011105","https://openalex.org/W2113097698","https://openalex.org/W2115872029","https://openalex.org/W2125338843","https://openalex.org/W2131345136","https://openalex.org/W2140840426","https://openalex.org/W2142987468","https://openalex.org/W2144517182","https://openalex.org/W2163256162","https://openalex.org/W2165947330","https://openalex.org/W2170988525","https://openalex.org/W2171701889","https://openalex.org/W2179566027","https://openalex.org/W2197832170","https://openalex.org/W2334870580","https://openalex.org/W2543338961","https://openalex.org/W2550726429","https://openalex.org/W2556276000","https://openalex.org/W2557470478","https://openalex.org/W2563805630","https://openalex.org/W2587928584","https://openalex.org/W2798659499","https://openalex.org/W2972638223","https://openalex.org/W2989873054","https://openalex.org/W3005125728","https://openalex.org/W3016096001","https://openalex.org/W3023441924","https://openalex.org/W3045628173","https://openalex.org/W4285719527","https://openalex.org/W4389703331","https://openalex.org/W6608299019","https://openalex.org/W6729540990","https://openalex.org/W6767994568","https://openalex.org/W6776034607"],"related_works":["https://openalex.org/W2987164171","https://openalex.org/W2358285880","https://openalex.org/W1518446086","https://openalex.org/W2739371066","https://openalex.org/W4241968354","https://openalex.org/W2569010646","https://openalex.org/W2568405794","https://openalex.org/W2795358078","https://openalex.org/W2911350258","https://openalex.org/W1965912782"],"abstract_inverted_index":{"The":[0,55,71,157,178,208,251],"paper":[1],"presents":[2],"a":[3,14,58,86,92,103,115,148,211,216],"circularly":[4],"polarized":[5],"radial":[6,60,89],"line":[7],"slot":[8,20,79,93],"array":[9],"(CP":[10],"RLSA)":[11],"antenna":[12,29,56,83,97,193,209,253],"with":[13,22,65,262],"nearly":[15,39],"optimal":[16],"monotonic":[17],"variation":[18],"of":[19,45,88,106,117,138,181,191,202,219,259],"length":[21],"radius,":[23],"in":[24,173],"order":[25],"to":[26,33,171,205],"simultaneously":[27],"reduce":[28],"side-lobe":[30],"levels":[31,159],"and":[32,51,114,145,154,215,222,232,242],"make":[34],"the":[35,69,82,131,135,152,161,174,182,192,199,227,248,257],"aperture":[36,84],"phase":[37],"distribution":[38],"uniform.":[40],"It":[41],"has":[42,210],"additional":[43],"advantages":[44],"excellent":[46],"radiation":[47,243],"efficiency,":[48],"high":[49],"gain":[50,218,234],"good":[52,149],"overall":[53],"bandwidth.":[54],"comprises":[57],"single-layer":[59],"transverse":[61],"electromagnetic":[62],"quasi-TEM":[63],"waveguide":[64],"radiating":[66],"slots":[67],"on":[68,81],"aperture.":[70],"amplitude":[72,176],"tapering":[73,172],"is":[74,130,194,240,245],"implemented":[75],"by":[76],"gradually":[77],"varying":[78],"lengths":[80],"as":[85],"function":[87],"distance,":[90],"utilizing":[91],"coupling":[94],"analysis.":[95],"Several":[96],"designs":[98],"were":[99],"investigated,":[100],"each":[101],"having":[102],"physical":[104],"diameter":[105],"345":[107],"mm":[108,119],"(23\u03bb":[109],"<sub":[110,121,127,187],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[111,122,128,188],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">0</sub>":[112,123,129],")":[113,190],"thickness":[116],"4.6":[118],"(0.3\u03bb":[120],"),":[124],"where":[125],"\u03bb":[126],"free-space":[132],"wavelength":[133],"at":[134,160,247],"operating":[136,162,249],"frequency":[137,163,200],"20":[139,168],"GHz.":[140,207],"A":[141],"prototype":[142],"was":[143],"fabricated":[144,252],"measured,":[146],"showing":[147],"agreement":[150],"between":[151],"predicted":[153],"measured":[155,179,212,228],"results.":[156],"sidelobe":[158],"are":[164,236],"less":[165],"than":[166],"-":[167],"dB":[169,197],"due":[170],"near-field":[175],"distribution.":[177],"magnitude":[180],"input":[183],"reflection":[184],"coefficient":[185],"(S":[186],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">11</sub>":[189],"below":[195],"-10":[196],"within":[198],"range":[201],"19":[203],"GHz":[204],"21":[206],"peak":[213,217],"directivity":[214,230],"34.3":[220],"dBic":[221],"33.8":[223],"dBic,":[224],"respectively.":[225],"Both":[226],"3dB":[229,233],"bandwidth":[231,235,266],"5.4%.":[237],"Aperture":[238],"efficiency":[239,244],"48%":[241],"94.2%":[246],"frequency.":[250],"also":[254],"successfully":[255],"fulfilled":[256],"condition":[258],"circular":[260],"polarization":[261],"an":[263],"axial":[264],"ratio":[265],"exceeding":[267],"5%.":[268]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":7}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}
