{"id":"https://openalex.org/W4214889002","doi":"https://doi.org/10.1109/ieeeconf53345.2021.9723354","title":"Unit Circle Roots Constrained MVDR Beamformer","display_name":"Unit Circle Roots Constrained MVDR Beamformer","publication_year":2021,"publication_date":"2021-10-31","ids":{"openalex":"https://openalex.org/W4214889002","doi":"https://doi.org/10.1109/ieeeconf53345.2021.9723354"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf53345.2021.9723354","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf53345.2021.9723354","pdf_url":null,"source":{"id":"https://openalex.org/S4363607877","display_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","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/A5079166344","display_name":"A.K. Shaw","orcid":"https://orcid.org/0000-0001-5183-7247"},"institutions":[{"id":"https://openalex.org/I19648265","display_name":"Wright State University","ror":"https://ror.org/04qk6pt94","country_code":"US","type":"education","lineage":["https://openalex.org/I19648265"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arnab Shaw","raw_affiliation_strings":["Wright State University,Department of Electrical Engineering,Dayton,OH,USA,45435"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wright State University,Department of Electrical Engineering,Dayton,OH,USA,45435","institution_ids":["https://openalex.org/I19648265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030759114","display_name":"Jared Smith","orcid":"https://orcid.org/0000-0003-3093-3816"},"institutions":[{"id":"https://openalex.org/I19648265","display_name":"Wright State University","ror":"https://ror.org/04qk6pt94","country_code":"US","type":"education","lineage":["https://openalex.org/I19648265"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jared Smith","raw_affiliation_strings":["Wright State University,Department of Electrical Engineering,Dayton,OH,USA,45435"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wright State University,Department of Electrical Engineering,Dayton,OH,USA,45435","institution_ids":["https://openalex.org/I19648265"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036819529","display_name":"Aboulnasr Hassanien","orcid":"https://orcid.org/0000-0001-7636-1724"},"institutions":[{"id":"https://openalex.org/I19648265","display_name":"Wright State University","ror":"https://ror.org/04qk6pt94","country_code":"US","type":"education","lineage":["https://openalex.org/I19648265"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aboulnasr Hassanien","raw_affiliation_strings":["Wright State University,Department of Electrical Engineering,Dayton,OH,USA,45435"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wright State University,Department of Electrical Engineering,Dayton,OH,USA,45435","institution_ids":["https://openalex.org/I19648265"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2048,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.86792453,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"2","issue":null,"first_page":"192","last_page":"198"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9983999729156494,"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/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.7755578756332397},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.63139408826828},{"id":"https://openalex.org/keywords/parallelizable-manifold","display_name":"Parallelizable manifold","score":0.570015549659729},{"id":"https://openalex.org/keywords/minimum-variance-unbiased-estimator","display_name":"Minimum-variance unbiased estimator","score":0.5530487298965454},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5176173448562622},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.47184255719184875},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.46516090631484985},{"id":"https://openalex.org/keywords/unit-circle","display_name":"Unit circle","score":0.4651300609111786},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.44209542870521545},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.433213472366333},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3821653127670288},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15220725536346436},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11384272575378418},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.09940114617347717},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.09077188372612}],"concepts":[{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.7755578756332397},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.63139408826828},{"id":"https://openalex.org/C148047603","wikidata":"https://www.wikidata.org/wiki/Q1014612","display_name":"Parallelizable manifold","level":2,"score":0.570015549659729},{"id":"https://openalex.org/C165646398","wikidata":"https://www.wikidata.org/wiki/Q3755281","display_name":"Minimum-variance unbiased estimator","level":3,"score":0.5530487298965454},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5176173448562622},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.47184255719184875},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.46516090631484985},{"id":"https://openalex.org/C126875415","wikidata":"https://www.wikidata.org/wiki/Q203425","display_name":"Unit circle","level":2,"score":0.4651300609111786},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44209542870521545},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.433213472366333},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3821653127670288},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15220725536346436},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11384272575378418},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.09940114617347717},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.09077188372612},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf53345.2021.9723354","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf53345.2021.9723354","pdf_url":null,"source":{"id":"https://openalex.org/S4363607877","display_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 55th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1484744390","https://openalex.org/W1485733289","https://openalex.org/W1579731823","https://openalex.org/W1747860274","https://openalex.org/W1986362571","https://openalex.org/W2013438974","https://openalex.org/W2025907885","https://openalex.org/W2027923082","https://openalex.org/W2044000385","https://openalex.org/W2046520239","https://openalex.org/W2066218102","https://openalex.org/W2077121281","https://openalex.org/W2083558807","https://openalex.org/W2103483656","https://openalex.org/W2118119802","https://openalex.org/W2141358961","https://openalex.org/W2143694437","https://openalex.org/W2156762553","https://openalex.org/W2156893865","https://openalex.org/W2168359067","https://openalex.org/W2169186684","https://openalex.org/W2497863922","https://openalex.org/W2715040498","https://openalex.org/W2810194888","https://openalex.org/W2986288815","https://openalex.org/W3103801804","https://openalex.org/W3211518706","https://openalex.org/W4210879561","https://openalex.org/W4214948522","https://openalex.org/W6723503915"],"related_works":["https://openalex.org/W818226659","https://openalex.org/W2009075871","https://openalex.org/W2033329112","https://openalex.org/W2132841313","https://openalex.org/W2518591292","https://openalex.org/W2105408150","https://openalex.org/W1976800395","https://openalex.org/W2803318287","https://openalex.org/W2606661315","https://openalex.org/W2548445082"],"abstract_inverted_index":{"A":[0],"novel":[1],"adaptive":[2],"beamforming":[3,26],"design":[4],"is":[5,82,100,123],"proposed":[6,38,80],"that":[7],"optimizes":[8,59],"the":[9,41,52,60,126],"minimum":[10],"variance":[11],"distortionless":[12],"response":[13],"(MVDR)":[14],"beamformer":[15],"array":[16,31],"polynomial":[17],"to":[18,75,125],"guarantee":[19],"unit":[20],"circle":[21],"(UC)":[22],"roots":[23,57,107],"for":[24,63],"planewave":[25],"with":[27,91],"a":[28,85],"uniform":[29],"linear":[30],"(ULA),":[32],"satisfying":[33],"its":[34,121],"theoretical":[35],"property.":[36],"The":[37,79],"method":[39,81],"splits":[40],"multidimensional":[42],"MVDR":[43,61,131],"problem":[44],"into":[45],"multiple":[46],"1-D":[47],"optimization":[48],"problems.":[49],"It":[50],"uses":[51],"sample":[53],"matrix":[54],"inversion":[55],"(SMI)":[56],"and":[58,88,103,120],"criterion":[62],"each":[64],"root":[65],"while":[66],"imposing":[67],"conjugate":[68],"symmetry":[69],"constraints":[70],"on":[71],"individual":[72],"1st-order":[73],"factors":[74],"ensure":[76],"UC":[77],"roots.":[78],"non-iterative,":[83],"has":[84],"closed-form":[86],"solution":[87],"works":[89],"well":[90],"limited":[92],"number":[93],"of":[94],"snapshots":[95],"using":[96],"diagonal":[97],"loading.":[98],"UCRC-MVDR":[99,115],"computationally":[101],"efficient":[102],"parallelizable":[104],"as":[105],"all":[106],"can":[108],"be":[109],"optimized":[110],"concurrently.":[111],"In":[112],"simulation":[113],"studies,":[114],"exhibits":[116],"consistently":[117],"superior":[118],"performance,":[119],"performance":[122],"closer":[124],"clairvoyant":[127],"case":[128],"than":[129],"existing":[130],"methods.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}