{"id":"https://openalex.org/W2947032295","doi":"https://doi.org/10.1109/spcom.2018.8724387","title":"A Novel Circular Quarter-Mode SIW Cavity-Backed Diversity Antenna with Dual-Circular Polarization","display_name":"A Novel Circular Quarter-Mode SIW Cavity-Backed Diversity Antenna with Dual-Circular Polarization","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2947032295","doi":"https://doi.org/10.1109/spcom.2018.8724387","mag":"2947032295"},"language":"en","primary_location":{"id":"doi:10.1109/spcom.2018.8724387","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom.2018.8724387","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 International Conference on Signal Processing and Communications (SPCOM)","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/A5114149622","display_name":"D. S. Chandu","orcid":null},"institutions":[{"id":"https://openalex.org/I26072440","display_name":"Indian Institute of Information Technology Allahabad","ror":"https://ror.org/03rgjt374","country_code":"IN","type":"education","lineage":["https://openalex.org/I26072440"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"D.S. Chandu","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Indian Institute of Information Technology, Chennai"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Indian Institute of Information Technology, Chennai","institution_ids":["https://openalex.org/I26072440"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109533021","display_name":"D. Tharani","orcid":null},"institutions":[{"id":"https://openalex.org/I26072440","display_name":"Indian Institute of Information Technology Allahabad","ror":"https://ror.org/03rgjt374","country_code":"IN","type":"education","lineage":["https://openalex.org/I26072440"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"D. Tharani","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Indian Institute of Information Technology, Chennai"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Indian Institute of Information Technology, Chennai","institution_ids":["https://openalex.org/I26072440"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065147017","display_name":"S. S. Karthikeyan","orcid":"https://orcid.org/0000-0002-6585-7748"},"institutions":[{"id":"https://openalex.org/I26072440","display_name":"Indian Institute of Information Technology Allahabad","ror":"https://ror.org/03rgjt374","country_code":"IN","type":"education","lineage":["https://openalex.org/I26072440"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S.S. Karthikeyan","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Indian Institute of Information Technology, Chennai"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Indian Institute of Information Technology, Chennai","institution_ids":["https://openalex.org/I26072440"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5114149622"],"corresponding_institution_ids":["https://openalex.org/I26072440"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.19972692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"57","issue":null,"first_page":"115","last_page":"119"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","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/T10262","display_name":"Microwave Engineering and Waveguides","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":0.9979000091552734,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9894999861717224,"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/circular-polarization","display_name":"Circular polarization","score":0.7229445576667786},{"id":"https://openalex.org/keywords/axial-ratio","display_name":"Axial ratio","score":0.7046982049942017},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5681493282318115},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5177218317985535},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3370722532272339},{"id":"https://openalex.org/keywords/microstrip","display_name":"Microstrip","score":0.2729240655899048},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2504543662071228}],"concepts":[{"id":"https://openalex.org/C153201621","wikidata":"https://www.wikidata.org/wiki/Q5121676","display_name":"Circular polarization","level":3,"score":0.7229445576667786},{"id":"https://openalex.org/C2779763010","wikidata":"https://www.wikidata.org/wiki/Q16836202","display_name":"Axial ratio","level":4,"score":0.7046982049942017},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5681493282318115},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5177218317985535},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3370722532272339},{"id":"https://openalex.org/C123657345","wikidata":"https://www.wikidata.org/wiki/Q639055","display_name":"Microstrip","level":2,"score":0.2729240655899048},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2504543662071228}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spcom.2018.8724387","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom.2018.8724387","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 International Conference on Signal Processing and Communications (SPCOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1972276378","https://openalex.org/W2012198488","https://openalex.org/W2019362272","https://openalex.org/W2038821639","https://openalex.org/W2048499437","https://openalex.org/W2056584955","https://openalex.org/W2110697312","https://openalex.org/W2125893866","https://openalex.org/W2130960463","https://openalex.org/W2144955841","https://openalex.org/W2292306283","https://openalex.org/W2336472557","https://openalex.org/W2343403684","https://openalex.org/W2571187735","https://openalex.org/W2759598963","https://openalex.org/W2766085267","https://openalex.org/W6678737253"],"related_works":["https://openalex.org/W2978516781","https://openalex.org/W2136283171","https://openalex.org/W2506684105","https://openalex.org/W2992965087","https://openalex.org/W2795454588","https://openalex.org/W2564726357","https://openalex.org/W3015374922","https://openalex.org/W2059475750","https://openalex.org/W1595935466","https://openalex.org/W1545801115"],"abstract_inverted_index":{"This":[0,104],"paper":[1],"presents":[2],"a":[3,21,172,198],"dual-circularly":[4],"polarized":[5],"(CP)":[6,113],"quarter-mode":[7],"substrate":[8],"integrated":[9],"waveguide":[10,100],"(QMSIW)":[11],"antenna":[12,54,125,192],"with":[13,108,127,171,187,197],"100%":[14],"usable":[15],"bandwidth.":[16,190],"The":[17,124,160,191,207],"design":[18],"consists":[19],"of":[20,39,47,51,82,87,98,106,121,152,178,200,210],"circular":[22,111,130,141],"QMSIW":[23,53,66,89],"excited":[24,134],"using":[25],"two":[26,68,72],"orthogonal":[27,84],"co-axial":[28],"fed":[29],"50-\u03a9":[30],"RF":[31,61],"ports":[32,62,165],"to":[33,55],"achieve":[34],"polarization":[35,112,131,142],"diversity.":[36],"A":[37,150],"section":[38],"diagonal":[40],"vias":[41,92,109],"are":[42,76,93],"introduced":[43,94],"on":[44],"either":[45],"sides":[46],"the":[48,52,57,60,65,80,83,88,96,99,115,122,153,164,188,204,211,219],"quasi-magnetic":[49],"wall":[50],"enhance":[56],"isolation":[58,162],"between":[59,101,163],"and":[63,90,138,158,224],"segment":[64],"into":[67],"cavities.":[69],"In":[70],"addition,":[71],"narrow":[73],"rectangular":[74],"slots":[75,107],"etched":[77],"out":[78],"from":[79],"center":[81],"radial":[85],"lines":[86],"shorting":[91],"along":[95],"periphery":[97],"these":[102],"slots.":[103],"combination":[105],"generates":[110],"for":[114],"TE":[116],"<sub":[117],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[118],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">101</sub>":[119],"mode":[120],"antenna.":[123],"radiates":[126],"right":[128],"hand":[129,140],"(RHCP)":[132],"when":[133],"at":[135,181],"port":[136,148],"1":[137],"left":[139],"(LHCP)":[143],"is":[144,156,166,215],"obtained":[145],"by":[146,217],"exciting":[147],"2.":[149],"prototype":[151,214],"dual":[154],"CP-QMSIW":[155],"fabricated":[157,212],"tested.":[159],"measured":[161],"greater":[167],"than":[168],"25":[169],"dB":[170],"3-dB":[173],"axial":[174],"ratio":[175],"bandwidth":[176],"(AR-BW)":[177],"3.23%":[179],"centered":[180],"10.215":[182],"GHz":[183],"that":[184],"completely":[185],"overlaps":[186],"impedance":[189],"exhibits":[193],"unidirectional":[194],"radiation":[195],"patterns":[196],"gain":[199,227],"6.44":[201],"dBi":[202],"in":[203],"operating":[205],"band.":[206],"diversity":[208],"performance":[209],"dual-CP":[213],"verified":[216],"measuring":[218],"envelope":[220],"correlation":[221],"coefficient":[222],"(ECC)":[223],"mean":[225],"efficient":[226],"(MEG).":[228]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}