{"id":"https://openalex.org/W2106442786","doi":"https://doi.org/10.1109/icassp.2004.1326857","title":"A recursive QR approach to semi-blind equalization of time-varying MIMO channels","display_name":"A recursive QR approach to semi-blind equalization of time-varying MIMO channels","publication_year":2004,"publication_date":"2004-09-28","ids":{"openalex":"https://openalex.org/W2106442786","doi":"https://doi.org/10.1109/icassp.2004.1326857","mag":"2106442786"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2004.1326857","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326857","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5072714962","display_name":"Sun\u2010Yuan Kung","orcid":"https://orcid.org/0000-0002-7314-0720"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"S.Y. Kung","raw_affiliation_strings":["Princeton University, USA","Princeton Univ, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Princeton University, USA","institution_ids":["https://openalex.org/I20089843"]},{"raw_affiliation_string":"Princeton Univ, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022226374","display_name":"Chad L. Myers","orcid":"https://orcid.org/0000-0002-1026-5972"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C.L. Myers","raw_affiliation_strings":["Princeton University, USA","Princeton Univ, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Princeton University, USA","institution_ids":["https://openalex.org/I20089843"]},{"raw_affiliation_string":"Princeton Univ, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100689722","display_name":"Xinying Zhang","orcid":"https://orcid.org/0000-0003-4758-5563"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xinying Zhang","raw_affiliation_strings":["Princeton University, USA","Princeton Univ, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Princeton University, USA","institution_ids":["https://openalex.org/I20089843"]},{"raw_affiliation_string":"Princeton Univ, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072714962"],"corresponding_institution_ids":["https://openalex.org/I20089843"],"apc_list":null,"apc_paid":null,"fwci":0.8413,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.73595081,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"iv","last_page":"437"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation 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/T11447","display_name":"Blind Source Separation 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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9987999796867371,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9986000061035156,"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/mimo","display_name":"MIMO","score":0.7314742803573608},{"id":"https://openalex.org/keywords/adaptive-equalizer","display_name":"Adaptive equalizer","score":0.7079858779907227},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6669023633003235},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5886811017990112},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.5809081792831421},{"id":"https://openalex.org/keywords/equalizer","display_name":"Equalizer","score":0.5452251434326172},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5287646055221558},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5084630250930786},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4906398355960846},{"id":"https://openalex.org/keywords/recursive-least-squares-filter","display_name":"Recursive least squares filter","score":0.4529579281806946},{"id":"https://openalex.org/keywords/blind-equalization","display_name":"Blind equalization","score":0.4461011588573456},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.42401203513145447},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.3551902174949646},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2717755436897278},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19072237610816956},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12638461589813232}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7314742803573608},{"id":"https://openalex.org/C25125847","wikidata":"https://www.wikidata.org/wiki/Q4680741","display_name":"Adaptive equalizer","level":4,"score":0.7079858779907227},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6669023633003235},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5886811017990112},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.5809081792831421},{"id":"https://openalex.org/C67545415","wikidata":"https://www.wikidata.org/wiki/Q5384218","display_name":"Equalizer","level":3,"score":0.5452251434326172},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5287646055221558},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5084630250930786},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4906398355960846},{"id":"https://openalex.org/C145249878","wikidata":"https://www.wikidata.org/wiki/Q2835868","display_name":"Recursive least squares filter","level":3,"score":0.4529579281806946},{"id":"https://openalex.org/C41425797","wikidata":"https://www.wikidata.org/wiki/Q4926640","display_name":"Blind equalization","level":4,"score":0.4461011588573456},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.42401203513145447},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.3551902174949646},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2717755436897278},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19072237610816956},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12638461589813232},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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":2,"locations":[{"id":"doi:10.1109/icassp.2004.1326857","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326857","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/37988","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/37988","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W92016202","https://openalex.org/W1931071650","https://openalex.org/W2043095810","https://openalex.org/W2102227829","https://openalex.org/W2106324317","https://openalex.org/W2107757493","https://openalex.org/W2149326262","https://openalex.org/W2798813531","https://openalex.org/W6675311716"],"related_works":["https://openalex.org/W2352178434","https://openalex.org/W2018366688","https://openalex.org/W1984561329","https://openalex.org/W2351868092","https://openalex.org/W2168755097","https://openalex.org/W2378187050","https://openalex.org/W2950272089","https://openalex.org/W2372385147","https://openalex.org/W1804663541","https://openalex.org/W2123945883"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,27,65],"novel":[4],"adaptive":[5,84],"equalization":[6],"algorithm":[7,24],"for":[8,34,86],"time-varying,":[9],"frequency-selective":[10],"MIMO":[11],"systems":[12],"that":[13,38,74],"harnesses":[14],"the":[15,35,78,91],"finite":[16],"alphabet":[17],"property":[18],"inherent":[19],"in":[20,68],"digital":[21],"communication.":[22],"The":[23,45],"leads":[25],"to":[26,41],"direct,":[28],"cost-efficient":[29],"QR-based":[30],"recursive":[31,80],"updating":[32],"procedure":[33],"equalizer":[36,85],"coefficients":[37],"forces":[39],"adaptation":[40],"changing":[42],"channel":[43,52,96],"characteristics.":[44],"proposed":[46],"method":[47],"does":[48],"not":[49],"require":[50],"precise":[51],"estimation":[53],"and":[54,89],"uses":[55],"significantly":[56],"less":[57],"pilot":[58],"symbols":[59],"than":[60],"other":[61],"traditional":[62,79],"equalizers,":[63],"implying":[64],"drastic":[66],"reduction":[67],"bandwidth":[69],"overhead.":[70],"Simulation":[71],"results":[72],"confirm":[73],"this":[75,87],"approach":[76],"outperforms":[77],"least":[81],"squares":[82],"(RLS)":[83],"application":[88],"rivals":[90],"MMSE":[92],"equalizers":[93],"with":[94],"perfect":[95],"knowledge.":[97]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}