{"id":"https://openalex.org/W4383890087","doi":"https://doi.org/10.1109/tcsii.2023.3294437","title":"Enhanced Sparsity-Aware RLS Algorithm for Efficient Estimation of Time-Varying Sparse System","display_name":"Enhanced Sparsity-Aware RLS Algorithm for Efficient Estimation of Time-Varying Sparse System","publication_year":2023,"publication_date":"2023-07-11","ids":{"openalex":"https://openalex.org/W4383890087","doi":"https://doi.org/10.1109/tcsii.2023.3294437"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2023.3294437","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2023.3294437","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-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/A5038127647","display_name":"Zhengliang Zhu","orcid":"https://orcid.org/0000-0001-7445-8223"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhengliang Zhu","raw_affiliation_strings":["National and Local Joint Engineering Research Center for Navigation and Location Service Technology and the College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"National and Local Joint Engineering Research Center for Navigation and Location Service Technology and the College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052506297","display_name":"Feng Tong","orcid":"https://orcid.org/0000-0002-4959-2743"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Tong","raw_affiliation_strings":["National and Local Joint Engineering Research Center for Navigation and Location Service Technology and the College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"National and Local Joint Engineering Research Center for Navigation and Location Service Technology and the College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062638548","display_name":"Yuehai Zhou","orcid":"https://orcid.org/0000-0002-3640-6649"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuehai Zhou","raw_affiliation_strings":["National and Local Joint Engineering Research Center for Navigation and Location Service Technology and the College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"National and Local Joint Engineering Research Center for Navigation and Location Service Technology and the College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5038127647"],"corresponding_institution_ids":["https://openalex.org/I191208505"],"apc_list":null,"apc_paid":null,"fwci":1.5138,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.79066671,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"70","issue":"12","first_page":"4589","last_page":"4593"},"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11447","display_name":"Blind Source Separation Techniques","score":0.9990000128746033,"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/constraint","display_name":"Constraint (computer-aided design)","score":0.6074578166007996},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.5765480399131775},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5731773376464844},{"id":"https://openalex.org/keywords/notation","display_name":"Notation","score":0.5358871817588806},{"id":"https://openalex.org/keywords/adaptability","display_name":"Adaptability","score":0.5079193711280823},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.500906229019165},{"id":"https://openalex.org/keywords/variable","display_name":"Variable (mathematics)","score":0.4916260838508606},{"id":"https://openalex.org/keywords/recursive-least-squares-filter","display_name":"Recursive least squares filter","score":0.46659186482429504},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4058343470096588},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3520333766937256},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.1916816234588623}],"concepts":[{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6074578166007996},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.5765480399131775},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5731773376464844},{"id":"https://openalex.org/C45357846","wikidata":"https://www.wikidata.org/wiki/Q2001982","display_name":"Notation","level":2,"score":0.5358871817588806},{"id":"https://openalex.org/C177606310","wikidata":"https://www.wikidata.org/wiki/Q5674297","display_name":"Adaptability","level":2,"score":0.5079193711280823},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.500906229019165},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.4916260838508606},{"id":"https://openalex.org/C145249878","wikidata":"https://www.wikidata.org/wiki/Q2835868","display_name":"Recursive least squares filter","level":3,"score":0.46659186482429504},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4058343470096588},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3520333766937256},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.1916816234588623},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2023.3294437","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2023.3294437","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"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 Circuits and Systems II: Express Briefs","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4184368324","display_name":null,"funder_award_id":"2018YFE0110000","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G5495697633","display_name":null,"funder_award_id":"11574258","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8886083758","display_name":null,"funder_award_id":"11274259","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W292716351","https://openalex.org/W2014724694","https://openalex.org/W2093287262","https://openalex.org/W2098674248","https://openalex.org/W2126491786","https://openalex.org/W2160536217","https://openalex.org/W2166106181","https://openalex.org/W2293909378","https://openalex.org/W2344937232","https://openalex.org/W2800408204","https://openalex.org/W3037542618","https://openalex.org/W3190502409","https://openalex.org/W3211956372","https://openalex.org/W4226286912","https://openalex.org/W4285254601","https://openalex.org/W4311778424"],"related_works":["https://openalex.org/W2357124094","https://openalex.org/W2387399993","https://openalex.org/W2389739210","https://openalex.org/W2348924972","https://openalex.org/W2365736347","https://openalex.org/W2047454415","https://openalex.org/W2070040999","https://openalex.org/W2387293848","https://openalex.org/W2250140200","https://openalex.org/W3121791438"],"abstract_inverted_index":{"The":[0,101,156],"sparsity-aware":[1,56,113],"recursive":[2],"least":[3],"squares":[4],"(RLS)":[5],"algorithms":[6],"have":[7],"been":[8],"designed":[9,109],"to":[10,31,61,92,110],"impose":[11],"norm":[12,77],"<inline-formula":[13,20],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[14,21],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[15,22],"<tex-math":[16,23],"notation=\"LaTeX\">$(l_{0}$":[17],"</tex-math></inline-formula>":[18,25],"or":[19],"notation=\"LaTeX\">$l_{1}$":[24],"-norm)":[26],"constraint":[27,87],"on":[28],"RLS":[29],"iteration":[30],"exploit":[32],"sparsity":[33,86,174],"contained":[34],"in":[35,137,153],"the":[36,66,73,79,83,105,112,131,134],"target":[37,67],"system.":[38],"However,":[39],"there":[40],"is":[41,59,108,159],"a":[42,124,150],"lack":[43],"of":[44,49,65,75,85,96,104,118,133,139],"adaptability":[45,97],"upon":[46],"time":[47],"variation":[48],"sparsity.":[50,71,100],"In":[51],"this":[52],"brief,":[53],"an":[54],"enhanced":[55],"(ESa)-RLS":[57],"algorithm":[58,107,136,158],"proposed":[60,80,106,135,157],"enable":[62],"efficient":[63],"estimation":[64],"system":[68,142],"with":[69,148,164,173],"time-varying":[70,99,165],"Under":[72],"framework":[74],"non-uniform":[76],"constraint,":[78],"ESa-RLS":[81],"incorporates":[82],"tuning":[84],"factor":[88,91],"and":[89,123,145],"forgetting":[90,126],"provide":[93],"multiple":[94],"aspects":[95],"for":[98,162],"iterative":[102],"optimization":[103],"minimize":[111],"cost":[114],"function,":[115],"which":[116],"consists":[117],"both":[119],"variable":[120,125],"sparse":[121,140],"constraints":[122],"factor.":[127],"Simulation":[128],"results":[129],"demonstrate":[130],"superiority":[132],"terms":[138],"exploitation,":[141],"tracking":[143],"capability,":[144],"steady-state":[146],"misadjustment,":[147],"only":[149],"slight":[151],"increase":[152],"computational":[154],"complexity.":[155],"particularly":[160],"suitable":[161],"systems":[163],"sparsity,":[166],"such":[167],"as":[168],"underwater":[169],"acoustic":[170],"(UWA)":[171],"channels":[172],"uncertainty.":[175]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}