{"id":"https://openalex.org/W2086042020","doi":"https://doi.org/10.1109/ispacs.2011.6146209","title":"A dual-band unidirectional antenna using a hemispherical monopole with circular reflector","display_name":"A dual-band unidirectional antenna using a hemispherical monopole with circular reflector","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2086042020","doi":"https://doi.org/10.1109/ispacs.2011.6146209","mag":"2086042020"},"language":"en","primary_location":{"id":"doi:10.1109/ispacs.2011.6146209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2011.6146209","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS)","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/A5024837508","display_name":"Kanawat Nuangwongsa","orcid":"https://orcid.org/0009-0002-9452-2506"},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Kanawat Nuangwongsa","raw_affiliation_strings":["Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, THAILAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, THAILAND","institution_ids":["https://openalex.org/I91538806"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074748424","display_name":"Chuwong Phongcharoenpanich","orcid":"https://orcid.org/0000-0002-2057-3127"},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Chuwong Phongcharoenpanich","raw_affiliation_strings":["Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, THAILAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, THAILAND","institution_ids":["https://openalex.org/I91538806"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043785968","display_name":"Sompol Kosulvit","orcid":null},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Sompol Kosulvit","raw_affiliation_strings":["Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, THAILAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Engineering, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, THAILAND","institution_ids":["https://openalex.org/I91538806"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I91538806"],"apc_list":null,"apc_paid":null,"fwci":8.0824,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.97877572,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":1.0,"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":1.0,"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":0.9991999864578247,"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":0.9987999796867371,"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/stub","display_name":"Stub (electronics)","score":0.7020106315612793},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.6789267659187317},{"id":"https://openalex.org/keywords/monopole-antenna","display_name":"Monopole antenna","score":0.663549542427063},{"id":"https://openalex.org/keywords/magnetic-monopole","display_name":"Magnetic monopole","score":0.6444690227508545},{"id":"https://openalex.org/keywords/reflector","display_name":"Reflector (photography)","score":0.6265730261802673},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.6195384860038757},{"id":"https://openalex.org/keywords/helical-antenna","display_name":"Helical antenna","score":0.5540256500244141},{"id":"https://openalex.org/keywords/j-pole-antenna","display_name":"J-pole antenna","score":0.5529088973999023},{"id":"https://openalex.org/keywords/electrical-length","display_name":"Electrical length","score":0.5160341262817383},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"Radiation pattern","score":0.49446558952331543},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.46028509736061096},{"id":"https://openalex.org/keywords/dipole-antenna","display_name":"Dipole antenna","score":0.4394306540489197},{"id":"https://openalex.org/keywords/multi-band-device","display_name":"Multi-band device","score":0.4383026361465454},{"id":"https://openalex.org/keywords/periscope-antenna","display_name":"Periscope antenna","score":0.31679022312164307},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2655055522918701},{"id":"https://openalex.org/keywords/antenna-efficiency","display_name":"Antenna efficiency","score":0.24328428506851196},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13925138115882874}],"concepts":[{"id":"https://openalex.org/C63676506","wikidata":"https://www.wikidata.org/wiki/Q3976238","display_name":"Stub (electronics)","level":2,"score":0.7020106315612793},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6789267659187317},{"id":"https://openalex.org/C95496425","wikidata":"https://www.wikidata.org/wiki/Q1466248","display_name":"Monopole antenna","level":3,"score":0.663549542427063},{"id":"https://openalex.org/C149298590","wikidata":"https://www.wikidata.org/wiki/Q219708","display_name":"Magnetic monopole","level":2,"score":0.6444690227508545},{"id":"https://openalex.org/C2778415886","wikidata":"https://www.wikidata.org/wiki/Q1823435","display_name":"Reflector (photography)","level":3,"score":0.6265730261802673},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6195384860038757},{"id":"https://openalex.org/C84559118","wikidata":"https://www.wikidata.org/wiki/Q1936665","display_name":"Helical antenna","level":5,"score":0.5540256500244141},{"id":"https://openalex.org/C183066770","wikidata":"https://www.wikidata.org/wiki/Q6103845","display_name":"J-pole antenna","level":5,"score":0.5529088973999023},{"id":"https://openalex.org/C16193135","wikidata":"https://www.wikidata.org/wiki/Q474129","display_name":"Electrical length","level":5,"score":0.5160341262817383},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.49446558952331543},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.46028509736061096},{"id":"https://openalex.org/C113145756","wikidata":"https://www.wikidata.org/wiki/Q1126859","display_name":"Dipole antenna","level":3,"score":0.4394306540489197},{"id":"https://openalex.org/C134546842","wikidata":"https://www.wikidata.org/wiki/Q1756885","display_name":"Multi-band device","level":3,"score":0.4383026361465454},{"id":"https://openalex.org/C138949660","wikidata":"https://www.wikidata.org/wiki/Q7168757","display_name":"Periscope antenna","level":4,"score":0.31679022312164307},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2655055522918701},{"id":"https://openalex.org/C160844929","wikidata":"https://www.wikidata.org/wiki/Q55604036","display_name":"Antenna efficiency","level":4,"score":0.24328428506851196},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13925138115882874},{"id":"https://openalex.org/C2982854487","wikidata":"https://www.wikidata.org/wiki/Q9128","display_name":"Light source","level":2,"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":1,"locations":[{"id":"doi:10.1109/ispacs.2011.6146209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2011.6146209","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.699999988079071,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2112852308","https://openalex.org/W2127500702","https://openalex.org/W2143202087","https://openalex.org/W2155682543","https://openalex.org/W2477105211"],"related_works":["https://openalex.org/W2159899411","https://openalex.org/W2766493900","https://openalex.org/W3006518858","https://openalex.org/W2947379085","https://openalex.org/W4200578099","https://openalex.org/W1979849986","https://openalex.org/W1672085878","https://openalex.org/W2987254924","https://openalex.org/W1979175144","https://openalex.org/W232910619"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,7,21,25,34,64,69,81],"unidirectional":[4,122],"antenna":[5,61,89,110],"using":[6],"hemispherical":[8,22,35,70,82],"monopole":[9,23,36,71,83],"with":[10,24,51,72,84,100],"circular":[11,48,52,85],"reflector":[12,49],"for":[13,37],"dual-band":[14],"wireless":[15],"communication":[16],"applications.":[17],"It":[18],"consists":[19],"of":[20,27,66],"sheet":[26,65],"stub.":[28],"The":[29,42,87,109,124],"stub":[30,67],"is":[31,90],"placed":[32],"over":[33],"low":[38],"frequency":[39],"band":[40],"operation.":[41],"radiation":[43,116],"patterns":[44],"are":[45,121,129],"controlled":[46],"by":[47,63,80],"together":[50],"ring":[53],"and":[54,68,97,114,126],"rectangular":[55,73],"ring.":[56,74,86],"At":[57,75],"2.4":[58],"GHz,":[59,77],"the":[60,115],"radiates":[62,79],"5.8":[76],"it":[78],"proposed":[88],"designed":[91],"to":[92],"operate":[93],"between":[94],"2.4-2.5":[95],"GHz":[96,99],"5.15-5.85":[98],"|S":[101],"<sub":[102],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[103],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">11</sub>":[104],"|":[105],"<;":[106],"-10":[107],"dB.":[108],"has":[111],"high":[112],"gain":[113],"pattern":[117],"at":[118],"both":[119],"bands":[120],"beam.":[123],"simulated":[125],"measured":[127],"results":[128],"presented.":[130]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
