{"id":"https://openalex.org/W2121874232","doi":"https://doi.org/10.1109/icassp.2006.1660821","title":"QR-RLS Based Minimum Variance Distortionless Responses Beamformer","display_name":"QR-RLS Based Minimum Variance Distortionless Responses Beamformer","publication_year":2006,"publication_date":"2006-08-02","ids":{"openalex":"https://openalex.org/W2121874232","doi":"https://doi.org/10.1109/icassp.2006.1660821","mag":"2121874232"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2006.1660821","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2006.1660821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings","raw_type":"proceedings-article"},"type":"conference-paper","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/A5059725501","display_name":"Zhu Liang Yu","orcid":"https://orcid.org/0000-0002-5502-8321"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]},{"id":"https://openalex.org/I4210115515","display_name":"Nanyang Institute of Technology","ror":"https://ror.org/0203c2755","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210115515"]}],"countries":["CN","SG"],"is_corresponding":false,"raw_author_name":"Zhu Liang Yu","raw_affiliation_strings":["Center for Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ","institution_ids":["https://openalex.org/I4210115515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113686034","display_name":"Wee Ser","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]},{"id":"https://openalex.org/I4210115515","display_name":"Nanyang Institute of Technology","ror":"https://ror.org/0203c2755","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210115515"]}],"countries":["CN","SG"],"is_corresponding":false,"raw_author_name":"Wee Ser","raw_affiliation_strings":["Center for Signal Processing, Nanyang Technological University, Singapore","Center for Signal Process., Nanyang Technol. Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Signal Processing, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Center for Signal Process., Nanyang Technol. Univ","institution_ids":["https://openalex.org/I4210115515"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051435984","display_name":"S. Rahadja","orcid":null},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"S. Rahadja","raw_affiliation_strings":["Institute for Infocomm Research, Singapore","Inst. for Infocomm Res., Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore","institution_ids":["https://openalex.org/I3005327000"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"III","last_page":"984"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9984999895095825,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9958000183105469,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/minimum-variance-unbiased-estimator","display_name":"Minimum-variance unbiased estimator","score":0.7407159805297852},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5720752477645874},{"id":"https://openalex.org/keywords/variance","display_name":"Variance (accounting)","score":0.5586448907852173},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45840078592300415},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4483798146247864},{"id":"https://openalex.org/keywords/forcing","display_name":"Forcing (mathematics)","score":0.44828829169273376},{"id":"https://openalex.org/keywords/qr-decomposition","display_name":"QR decomposition","score":0.44390714168548584},{"id":"https://openalex.org/keywords/systolic-array","display_name":"Systolic array","score":0.4433761239051819},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.4424193501472473},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.41572442650794983},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4127083718776703},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3952255845069885},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3341197371482849},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.17670172452926636},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1639317274093628},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.16237860918045044},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1092785894870758},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10288119316101074}],"concepts":[{"id":"https://openalex.org/C165646398","wikidata":"https://www.wikidata.org/wiki/Q3755281","display_name":"Minimum-variance unbiased estimator","level":3,"score":0.7407159805297852},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5720752477645874},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.5586448907852173},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45840078592300415},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4483798146247864},{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.44828829169273376},{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.44390714168548584},{"id":"https://openalex.org/C150741067","wikidata":"https://www.wikidata.org/wiki/Q2377218","display_name":"Systolic array","level":3,"score":0.4433761239051819},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.4424193501472473},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.41572442650794983},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4127083718776703},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3952255845069885},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3341197371482849},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.17670172452926636},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1639317274093628},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.16237860918045044},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1092785894870758},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10288119316101074},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C14580979","wikidata":"https://www.wikidata.org/wiki/Q876049","display_name":"Very-large-scale integration","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2006.1660821","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2006.1660821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings","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":10,"referenced_works":["https://openalex.org/W1492221128","https://openalex.org/W1536139993","https://openalex.org/W1999542175","https://openalex.org/W2051304830","https://openalex.org/W2082601554","https://openalex.org/W2119800451","https://openalex.org/W2128324384","https://openalex.org/W2169135280","https://openalex.org/W2172119162","https://openalex.org/W6671228977"],"related_works":["https://openalex.org/W2126436096","https://openalex.org/W1986431723","https://openalex.org/W2807497897","https://openalex.org/W2365845987","https://openalex.org/W3029568918","https://openalex.org/W2392382502","https://openalex.org/W2188022358","https://openalex.org/W1589665459","https://openalex.org/W1999288241","https://openalex.org/W4205442640"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3],"QR-RLS":[4,20,47],"based":[5,21],"Minimum":[6],"Variance":[7],"Distortionless":[8],"Responses":[9],"(MVDR)":[10],"method,":[11,44],"and":[12,32],"its":[13],"systolic":[14],"array":[15],"processor,":[16],"are":[17,62],"proposed.":[18],"The":[19],"MVDR":[22,45],"has":[23],"many":[24],"advantages,":[25],"such":[26],"as":[27],"numerical":[28],"stability,":[29],"computational":[30],"efficiency":[31],"pipelined":[33],"structure":[34],"in":[35],"implementation.":[36],"We":[37],"also":[38],"point":[39],"out":[40,64],"that":[41],"the":[42,52,67,70],"conventional":[43],"using":[46],"method":[48],"by":[49],"directly":[50],"forcing":[51],"desired":[53],"signal":[54],"to":[55,65],"zero":[56],"is":[57],"not":[58],"correct.":[59],"Numerical":[60],"experiments":[61],"carried":[63],"illustrate":[66],"effectiveness":[68],"of":[69],"proposed":[71],"method.":[72]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}