{"id":"https://openalex.org/W3191700893","doi":"https://doi.org/10.1109/tsp.2021.3101015","title":"Distributed Algorithms for Array Signal Processing","display_name":"Distributed Algorithms for Array Signal Processing","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3191700893","doi":"https://doi.org/10.1109/tsp.2021.3101015","mag":"3191700893"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2021.3101015","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2021.3101015","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://resolver.caltech.edu/CaltechAUTHORS:20210825-142202507","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059050006","display_name":"Po\u2010Chih Chen","orcid":"https://orcid.org/0000-0003-1637-9329"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Po-Chih Chen","raw_affiliation_strings":["Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA"],"raw_orcid":"https://orcid.org/0000-0003-1637-9329","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049466863","display_name":"P. P. Vaidyanathan","orcid":"https://orcid.org/0000-0003-3003-7042"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Palghat Vaidyanathan","raw_affiliation_strings":["Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA"],"raw_orcid":"https://orcid.org/0000-0003-3003-7042","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I122411786"],"apc_list":null,"apc_paid":null,"fwci":2.9238,"has_fulltext":true,"cited_by_count":34,"citation_normalized_percentile":{"value":0.91660324,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"69","issue":null,"first_page":"4607","last_page":"4622"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9991000294685364,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.7543108463287354},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6564279198646545},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.648769736289978},{"id":"https://openalex.org/keywords/distributed-algorithm","display_name":"Distributed algorithm","score":0.605187177658081},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.5823419094085693},{"id":"https://openalex.org/keywords/array-processing","display_name":"Array processing","score":0.5325599908828735},{"id":"https://openalex.org/keywords/fusion-center","display_name":"Fusion center","score":0.5084587335586548},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.26721054315567017},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.11658716201782227}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7543108463287354},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6564279198646545},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.648769736289978},{"id":"https://openalex.org/C130120984","wikidata":"https://www.wikidata.org/wiki/Q2835898","display_name":"Distributed algorithm","level":2,"score":0.605187177658081},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.5823419094085693},{"id":"https://openalex.org/C2778545087","wikidata":"https://www.wikidata.org/wiki/Q4795883","display_name":"Array processing","level":4,"score":0.5325599908828735},{"id":"https://openalex.org/C2781234732","wikidata":"https://www.wikidata.org/wiki/Q943505","display_name":"Fusion center","level":4,"score":0.5084587335586548},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.26721054315567017},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.11658716201782227},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2021.3101015","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2021.3101015","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:authors.library.caltech.edu:110410","is_oa":true,"landing_page_url":null,"pdf_url":"https://resolver.caltech.edu/CaltechAUTHORS:20210825-142202507","source":{"id":"https://openalex.org/S4306402161","display_name":"CaltechAUTHORS (California Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I122411786","host_organization_name":"California Institute of Technology","host_organization_lineage":["https://openalex.org/I122411786"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:authors.library.caltech.edu:110410","is_oa":true,"landing_page_url":null,"pdf_url":"https://resolver.caltech.edu/CaltechAUTHORS:20210825-142202507","source":{"id":"https://openalex.org/S4306402161","display_name":"CaltechAUTHORS (California Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I122411786","host_organization_name":"California Institute of Technology","host_organization_lineage":["https://openalex.org/I122411786"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G892132440","display_name":null,"funder_award_id":"N00014-21-1-2521","funder_id":"https://openalex.org/F4320337345","funder_display_name":"Office of Naval Research"}],"funders":[{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3191700893.pdf","grobid_xml":"https://content.openalex.org/works/W3191700893.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W291003596","https://openalex.org/W653761051","https://openalex.org/W1200626612","https://openalex.org/W1481646516","https://openalex.org/W1486770052","https://openalex.org/W1574858636","https://openalex.org/W1792261693","https://openalex.org/W1858781016","https://openalex.org/W1976772748","https://openalex.org/W1981913121","https://openalex.org/W1994851389","https://openalex.org/W2013122336","https://openalex.org/W2021812446","https://openalex.org/W2023771239","https://openalex.org/W2028191993","https://openalex.org/W2046133214","https://openalex.org/W2066218102","https://openalex.org/W2066315659","https://openalex.org/W2066515813","https://openalex.org/W2072814239","https://openalex.org/W2072899472","https://openalex.org/W2074796812","https://openalex.org/W2103519107","https://openalex.org/W2103632480","https://openalex.org/W2113638573","https://openalex.org/W2122315118","https://openalex.org/W2124461956","https://openalex.org/W2128131274","https://openalex.org/W2130613472","https://openalex.org/W2136172079","https://openalex.org/W2136274821","https://openalex.org/W2141783658","https://openalex.org/W2144267444","https://openalex.org/W2145686608","https://openalex.org/W2149755721","https://openalex.org/W2162409952","https://openalex.org/W2166117654","https://openalex.org/W2294826679","https://openalex.org/W2316564661","https://openalex.org/W2621353151","https://openalex.org/W2886909336","https://openalex.org/W2937842630","https://openalex.org/W3015599495","https://openalex.org/W3083023184","https://openalex.org/W3109938142","https://openalex.org/W3115702440","https://openalex.org/W3163946888","https://openalex.org/W4242722506","https://openalex.org/W6634382963","https://openalex.org/W6787860447","https://openalex.org/W6796238594"],"related_works":["https://openalex.org/W4379654103","https://openalex.org/W2383442375","https://openalex.org/W2386148311","https://openalex.org/W3206310269","https://openalex.org/W2944275504","https://openalex.org/W336214589","https://openalex.org/W2172119162","https://openalex.org/W2130356050","https://openalex.org/W1503680297","https://openalex.org/W4207069713"],"abstract_inverted_index":{"Distributed":[0],"or":[1],"decentralized":[2],"estimation":[3,58],"of":[4,44,72,81,92,137,149,162],"covariance,":[5],"and":[6,14,24,65,78],"distributed":[7,46,52,70,79,90,111],"principal":[8],"component":[9],"analysis":[10],"have":[11,29],"been":[12,30],"introduced":[13],"studied":[15],"in":[16,21,26,32,145],"the":[17,73,82,99,121,142,156,160,163],"signal":[18],"processing":[19,28],"community":[20],"recent":[22],"years,":[23],"applications":[25],"array":[27,49],"indicated":[31],"some":[33],"detail.":[34],"Inspired":[35],"by":[36],"these,":[37],"this":[38],"paper":[39,157],"provides":[40],"a":[41,93,124,132,146],"detailed":[42],"development":[43],"several":[45],"algorithms":[47,53,108,128],"for":[48,56,86,123],"processing.":[50],"New":[51],"are":[54,109,129,153],"proposed":[55,95,107,164],"DOA":[57],"methods":[59],"like":[60],"root-MUSIC,":[61],"total":[62],"least":[63],"squares-ESPRIT,":[64],"FOCUSS.":[66],"Other":[67],"contributions":[68],"include":[69],"design":[71],"Capon":[74],"beamformer":[75],"from":[76],"data,":[77],"implementation":[80,91],"spatial":[83],"smoothing":[84],"method":[85,97],"coherent":[87],"sources.":[88],"A":[89],"recently":[94,133],"beamspace":[96,101],"called":[98],"convolutional":[100],"(CBS)":[102],"is":[103,117],"also":[104],"proposed.":[105],"The":[106,127],"fully":[110],"-":[112],"an":[113],"average":[114],"consensus":[115],"(AC)":[116],"used":[118],"to":[119,141,158],"avoid":[120],"need":[122],"fusion":[125],"center.":[126],"based":[130],"on":[131],"reported":[134],"finite-time":[135],"version":[136],"AC":[138],"which":[139],"converges":[140],"exact":[143],"solution":[144],"finite":[147],"number":[148],"iterations.":[150],"Numerical":[151],"examples":[152],"given":[154],"throughout":[155],"show":[159],"effectiveness":[161],"algorithms.":[165]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-17T09:13:05.818461","created_date":"2025-10-10T00:00:00"}
