{"id":"https://openalex.org/W2089088382","doi":"https://doi.org/10.1109/ncc.2015.7084836","title":"A four branch microstrip coupler with improved bandwidth and isolation","display_name":"A four branch microstrip coupler with improved bandwidth and isolation","publication_year":2015,"publication_date":"2015-02-01","ids":{"openalex":"https://openalex.org/W2089088382","doi":"https://doi.org/10.1109/ncc.2015.7084836","mag":"2089088382"},"language":"en","primary_location":{"id":"doi:10.1109/ncc.2015.7084836","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ncc.2015.7084836","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 Twenty First National Conference on Communications (NCC)","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/A5051543498","display_name":"Debapratim Ghosh","orcid":"https://orcid.org/0000-0002-8984-8440"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Debapratim Ghosh","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai","Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101613345","display_name":"Girish Kumar","orcid":"https://orcid.org/0000-0002-4405-3660"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Girish Kumar","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai","Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5051543498"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":1.381,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.83531812,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9973000288009644,"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/T11607","display_name":"Microwave and Dielectric Measurement Techniques","score":0.992900013923645,"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/microstrip","display_name":"Microstrip","score":0.7288410067558289},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6594164967536926},{"id":"https://openalex.org/keywords/return-loss","display_name":"Return loss","score":0.6592459678649902},{"id":"https://openalex.org/keywords/rat-race-coupler","display_name":"Rat-race coupler","score":0.5981517434120178},{"id":"https://openalex.org/keywords/hybrid-coupler","display_name":"Hybrid coupler","score":0.5644593238830566},{"id":"https://openalex.org/keywords/magic-tee","display_name":"Magic tee","score":0.5552098751068115},{"id":"https://openalex.org/keywords/power-dividers-and-directional-couplers","display_name":"Power dividers and directional couplers","score":0.5296879410743713},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.47875991463661194},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.43662065267562866},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.43262067437171936},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.4143921732902527},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33208173513412476},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2941676378250122},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28769731521606445},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2710896134376526},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.08893054723739624}],"concepts":[{"id":"https://openalex.org/C123657345","wikidata":"https://www.wikidata.org/wiki/Q639055","display_name":"Microstrip","level":2,"score":0.7288410067558289},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6594164967536926},{"id":"https://openalex.org/C196901423","wikidata":"https://www.wikidata.org/wiki/Q3933836","display_name":"Return loss","level":3,"score":0.6592459678649902},{"id":"https://openalex.org/C125510439","wikidata":"https://www.wikidata.org/wiki/Q386369","display_name":"Rat-race coupler","level":4,"score":0.5981517434120178},{"id":"https://openalex.org/C80185135","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Hybrid coupler","level":3,"score":0.5644593238830566},{"id":"https://openalex.org/C195594764","wikidata":"https://www.wikidata.org/wiki/Q2247284","display_name":"Magic tee","level":4,"score":0.5552098751068115},{"id":"https://openalex.org/C202988678","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Power dividers and directional couplers","level":2,"score":0.5296879410743713},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.47875991463661194},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.43662065267562866},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.43262067437171936},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.4143921732902527},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33208173513412476},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2941676378250122},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28769731521606445},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2710896134376526},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.08893054723739624}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ncc.2015.7084836","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ncc.2015.7084836","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 Twenty First National Conference on Communications (NCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1484515253","https://openalex.org/W1593609309","https://openalex.org/W1829952735","https://openalex.org/W1883654207","https://openalex.org/W1978162996","https://openalex.org/W2005176134","https://openalex.org/W2059862829","https://openalex.org/W2129400482","https://openalex.org/W2141707986","https://openalex.org/W2798875205","https://openalex.org/W4240756890","https://openalex.org/W6629116763","https://openalex.org/W6635621112","https://openalex.org/W6750616722"],"related_works":["https://openalex.org/W2363891814","https://openalex.org/W2348859175","https://openalex.org/W2145846036","https://openalex.org/W2064222338","https://openalex.org/W2908406608","https://openalex.org/W3158171752","https://openalex.org/W2119424434","https://openalex.org/W4318603787","https://openalex.org/W3011149730","https://openalex.org/W2537350916"],"abstract_inverted_index":{"This":[0,55],"paper":[1],"discusses":[2],"the":[3,26,42,49,59,107],"design":[4,56],"of":[5,36,61],"a":[6,76,83],"four":[7,67],"section":[8],"branch":[9,63,68,90],"line":[10,91],"microstrip":[11],"coupler":[12,17,71,92],"at":[13],"900":[14],"MHz.":[15,32,54],"The":[16,70,88],"exhibits":[18],"return":[19],"loss":[20],"better":[21],"than":[22],"20":[23,46],"dB":[24,38,47],"for":[25,48,99],"frequency":[27],"range":[28,50],"625":[29],"to":[30,52],"1180":[31],"A":[33],"peak":[34],"isolation":[35,44],"44":[37],"is":[39],"achieved,":[40],"with":[41,66],"overall":[43],"above":[45],"680":[51],"1195":[53],"also":[57],"addresses":[58],"problem":[60],"large":[62],"impedances":[64],"associated":[65],"couplers.":[69],"has":[72],"been":[73],"fabricated":[74],"on":[75],"glass-epoxy":[77],"FR4":[78],"substrate,":[79],"thus":[80],"making":[81],"it":[82],"very":[84],"low":[85],"cost":[86],"solution.":[87],"designed":[89],"finds":[93],"uses":[94],"in":[95,106],"narrow-band":[96],"network":[97],"analyzers":[98],"incident":[100],"and":[101,105,113],"reflected":[102],"power":[103],"measurements,":[104],"CDMA":[108],"(824":[109],"-":[110,116],"894":[111],"MHz)":[112,118],"GSM900":[114],"(890":[115],"960":[117],"band":[119],"applications.":[120]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}