{"id":"https://openalex.org/W2111281932","doi":"https://doi.org/10.1109/jsac.1987.1146531","title":"Adaptive Equalization Techniques for HF Channels","display_name":"Adaptive Equalization Techniques for HF Channels","publication_year":1987,"publication_date":"1987-02-01","ids":{"openalex":"https://openalex.org/W2111281932","doi":"https://doi.org/10.1109/jsac.1987.1146531","mag":"2111281932"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.1987.1146531","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.1987.1146531","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","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/A5043271107","display_name":"Evangelos Eleftheriou","orcid":"https://orcid.org/0000-0002-3826-5931"},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]},{"id":"https://openalex.org/I4210126328","display_name":"IBM Research - Zurich","ror":"https://ror.org/02js37d36","country_code":"CH","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210126328"]}],"countries":["CH","US"],"is_corresponding":false,"raw_author_name":"E. Eleftheriou","raw_affiliation_strings":["IBM Research Laboratory, Ruschlikon, Switzerland","IBM Research Laboratory, CH8803 R\u00fcschlikon, Switzerland#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research Laboratory, Ruschlikon, Switzerland","institution_ids":["https://openalex.org/I4210126328"]},{"raw_affiliation_string":"IBM Research Laboratory, CH8803 R\u00fcschlikon, Switzerland#TAB#","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072307904","display_name":"D.D. Falconer","orcid":null},"institutions":[{"id":"https://openalex.org/I67031392","display_name":"Carleton University","ror":"https://ror.org/02qtvee93","country_code":"CA","type":"education","lineage":["https://openalex.org/I67031392"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"D. Falconer","raw_affiliation_strings":["Department of Systems and Computer Engineering, Carleton University, Ottawa, ONT, Canada","Dept of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Systems and Computer Engineering, Carleton University, Ottawa, ONT, Canada","institution_ids":["https://openalex.org/I67031392"]},{"raw_affiliation_string":"Dept of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada","institution_ids":["https://openalex.org/I67031392"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.1636,"has_fulltext":false,"cited_by_count":93,"citation_normalized_percentile":{"value":0.87498977,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"5","issue":"2","first_page":"238","last_page":"247"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9988999962806702,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/fading","display_name":"Fading","score":0.838769257068634},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7284005284309387},{"id":"https://openalex.org/keywords/least-mean-squares-filter","display_name":"Least mean squares filter","score":0.5909629464149475},{"id":"https://openalex.org/keywords/recursive-least-squares-filter","display_name":"Recursive least squares filter","score":0.533353328704834},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.5122525095939636},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5064316987991333},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.49924755096435547},{"id":"https://openalex.org/keywords/fade","display_name":"Fade","score":0.4921983778476715},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.48252031207084656},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46883243322372437},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4530697166919708},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.43116992712020874},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4035365581512451},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3649117350578308},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3089563250541687}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.838769257068634},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7284005284309387},{"id":"https://openalex.org/C32617633","wikidata":"https://www.wikidata.org/wiki/Q1426666","display_name":"Least mean squares filter","level":3,"score":0.5909629464149475},{"id":"https://openalex.org/C145249878","wikidata":"https://www.wikidata.org/wiki/Q2835868","display_name":"Recursive least squares filter","level":3,"score":0.533353328704834},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.5122525095939636},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5064316987991333},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.49924755096435547},{"id":"https://openalex.org/C2778518048","wikidata":"https://www.wikidata.org/wiki/Q848346","display_name":"Fade","level":2,"score":0.4921983778476715},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.48252031207084656},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46883243322372437},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4530697166919708},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.43116992712020874},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4035365581512451},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3649117350578308},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3089563250541687},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.1987.1146531","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.1987.1146531","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5400000214576721}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1580067016","https://openalex.org/W1602729587","https://openalex.org/W1934324599","https://openalex.org/W1975314232","https://openalex.org/W2004065318","https://openalex.org/W2056931386","https://openalex.org/W2078236136","https://openalex.org/W2102685110","https://openalex.org/W2106297762","https://openalex.org/W2111529101","https://openalex.org/W2125659977","https://openalex.org/W2128934755","https://openalex.org/W2132917064","https://openalex.org/W2140249092","https://openalex.org/W2157850096","https://openalex.org/W2798333393","https://openalex.org/W3209117906","https://openalex.org/W4243959868","https://openalex.org/W6636106601","https://openalex.org/W6803737092"],"related_works":["https://openalex.org/W2081837274","https://openalex.org/W2144530466","https://openalex.org/W3134357585","https://openalex.org/W2476510629","https://openalex.org/W2105767219","https://openalex.org/W2792824092","https://openalex.org/W2612844333","https://openalex.org/W2253481662","https://openalex.org/W2982106677","https://openalex.org/W2331083824"],"abstract_inverted_index":{"Data":[0],"transmission":[1],"at":[2,123],"rates":[3,63,129],"of":[4,37,55,61,141,151],"1.2":[5],"kbits/s":[6],"or":[7],"higher":[8],"through":[9],"voiceband":[10],"ionospheric":[11],"channels":[12],"is":[13],"subject":[14],"to":[15,111],"impairment":[16],"from":[17],"severe":[18,26],"linear":[19],"distortion,":[20],"fast":[21],"channel":[22],"time":[23],"variations,":[24],"and":[25,66,81,94,97],"fading.":[27],"In":[28],"this":[29,119],"paper,":[30],"we":[31],"have":[32],"focused":[33],"on":[34,64],"the":[35,53,152,166],"performance":[36,110,120],"DFE":[38,74,168],"(decision":[39],"feedback":[40],"equalization)":[41],"receivers":[42],"for":[43,57],"communication":[44],"over":[45],"3":[46],"kHz":[47],"bandwidth":[48],"HF":[49,69],"channels.":[50],"We":[51],"describe":[52],"results":[54,103],"simulations":[56],"a":[58,148],"wide":[59],"range":[60],"fading":[62,115],"simulated":[65],"real":[67],"recorded":[68],"channels,":[70],"using":[71],"fractionally":[72],"spaced":[73],"receivers.":[75],"Both":[76],"LMS":[77,112,154,167],"(least":[78],"mean":[79],"square)":[80],"FRLS":[82,106],"(fast":[83],"recursive":[84],"least":[85],"squares)":[86],"adaptation":[87,107,143],"algorithms":[88],"with":[89,170],"periodic":[90],"restart":[91],"were":[92],"evaluated,":[93],"both":[95],"ideal-reference":[96],"decision-directed":[98],"operation":[99],"was":[100,145,161],"observed.":[101],"The":[102],"indicate":[104],"that":[105,118],"yields":[108],"superior":[109],"in":[113],"rapid":[114],"conditions,":[116],"but":[117],"advantage":[121],"diminishes":[122],"low":[124],"signal-to-noise":[125],"ratios.":[126],"Also,":[127],"fade":[128],"greater":[130],"than":[131],"about":[132],"1":[133],"Hz":[134],"produced":[135],"relatively":[136],"high":[137],"error":[138],"rates,":[139],"irrespective":[140],"which":[142,156],"method":[144],"employed.":[146],"Finally,":[147],"novel":[149],"modification":[150],"simple":[153],"algorithm":[155],"improves":[157],"its":[158],"tracking":[159],"ability":[160],"evaluated.":[162],"This":[163],"involved":[164],"preceding":[165],"receiver":[169],"an":[171],"adaptive":[172],"lattice":[173],"whitening":[174],"filter.":[175]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}