{"id":"https://openalex.org/W2901093844","doi":"https://doi.org/10.1109/twc.2018.2879661","title":"Sequential Channel Equalization in Strong Line-of-Sight MIMO Communication","display_name":"Sequential Channel Equalization in Strong Line-of-Sight MIMO Communication","publication_year":2018,"publication_date":"2018-11-13","ids":{"openalex":"https://openalex.org/W2901093844","doi":"https://doi.org/10.1109/twc.2018.2879661","mag":"2901093844"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2018.2879661","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2018.2879661","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless 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/A5009249938","display_name":"Xiaohang Song","orcid":"https://orcid.org/0000-0001-5959-8703"},"institutions":[{"id":"https://openalex.org/I245417339","display_name":"Vodafone (Germany)","ror":"https://ror.org/044qwkx83","country_code":"DE","type":"company","lineage":["https://openalex.org/I245417339","https://openalex.org/I74316835"]},{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Xiaohang Song","raw_affiliation_strings":["Vodafone Chair Mobile Communications Systems, Technische Universit\u00e4t Dresden, Dresden, Germany"],"affiliations":[{"raw_affiliation_string":"Vodafone Chair Mobile Communications Systems, Technische Universit\u00e4t Dresden, Dresden, Germany","institution_ids":["https://openalex.org/I78650965","https://openalex.org/I245417339"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010934672","display_name":"Darko Cvetkovski","orcid":"https://orcid.org/0000-0003-1133-376X"},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Darko Cvetkovski","raw_affiliation_strings":["Department of Computer Science, Humboldt-Universit\u00e4t zu Berlin, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Humboldt-Universit\u00e4t zu Berlin, Berlin, Germany","institution_ids":["https://openalex.org/I39343248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001955973","display_name":"Wolfgang Rave","orcid":"https://orcid.org/0000-0002-7920-0923"},"institutions":[{"id":"https://openalex.org/I245417339","display_name":"Vodafone (Germany)","ror":"https://ror.org/044qwkx83","country_code":"DE","type":"company","lineage":["https://openalex.org/I245417339","https://openalex.org/I74316835"]},{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Rave","raw_affiliation_strings":["Vodafone Chair Mobile Communications Systems, Technische Universit\u00e4t Dresden, Dresden, Germany"],"affiliations":[{"raw_affiliation_string":"Vodafone Chair Mobile Communications Systems, Technische Universit\u00e4t Dresden, Dresden, Germany","institution_ids":["https://openalex.org/I78650965","https://openalex.org/I245417339"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053247434","display_name":"Eckhard Grass","orcid":"https://orcid.org/0000-0002-9718-4170"},"institutions":[{"id":"https://openalex.org/I92894754","display_name":"Leibniz Institute for High Performance Microelectronics","ror":"https://ror.org/0489gab80","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I92894754"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Eckhard Grass","raw_affiliation_strings":["IHP Microelectronics, Frankfurt (Oder), Germany"],"affiliations":[{"raw_affiliation_string":"IHP Microelectronics, Frankfurt (Oder), Germany","institution_ids":["https://openalex.org/I92894754"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022117288","display_name":"Gerhard Fettweis","orcid":"https://orcid.org/0000-0003-4622-1311"},"institutions":[{"id":"https://openalex.org/I245417339","display_name":"Vodafone (Germany)","ror":"https://ror.org/044qwkx83","country_code":"DE","type":"company","lineage":["https://openalex.org/I245417339","https://openalex.org/I74316835"]},{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gerhard Fettweis","raw_affiliation_strings":["Vodafone Chair Mobile Communications Systems, Technische Universit\u00e4t Dresden, Dresden, Germany"],"affiliations":[{"raw_affiliation_string":"Vodafone Chair Mobile Communications Systems, Technische Universit\u00e4t Dresden, Dresden, Germany","institution_ids":["https://openalex.org/I78650965","https://openalex.org/I245417339"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5009249938"],"corresponding_institution_ids":["https://openalex.org/I245417339","https://openalex.org/I78650965"],"apc_list":null,"apc_paid":null,"fwci":0.5218,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.68735907,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"18","issue":"1","first_page":"340","last_page":"356"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/mimo","display_name":"MIMO","score":0.8541679978370667},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5654048919677734},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48609256744384766},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.4836915135383606},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.48090362548828125},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.45667359232902527},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.44629815220832825},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.44158294796943665},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.43260079622268677},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3237103223800659},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2993733882904053},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2145552635192871}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8541679978370667},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5654048919677734},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48609256744384766},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.4836915135383606},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.48090362548828125},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.45667359232902527},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44629815220832825},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.44158294796943665},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43260079622268677},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3237103223800659},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2993733882904053},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2145552635192871},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"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/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2018.2879661","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2018.2879661","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.5600000023841858}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320321602","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt","ror":"https://ror.org/04bwf3e34"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1650039960","https://openalex.org/W1667950888","https://openalex.org/W1970844448","https://openalex.org/W1984282754","https://openalex.org/W1985987162","https://openalex.org/W1986191988","https://openalex.org/W1997654368","https://openalex.org/W1999593426","https://openalex.org/W2001991593","https://openalex.org/W2011801407","https://openalex.org/W2061171222","https://openalex.org/W2073389244","https://openalex.org/W2111031822","https://openalex.org/W2111349248","https://openalex.org/W2153521822","https://openalex.org/W2154710303","https://openalex.org/W2161044775","https://openalex.org/W2169644853","https://openalex.org/W2292195074","https://openalex.org/W2499981870","https://openalex.org/W2502051120","https://openalex.org/W2539877739","https://openalex.org/W2594453690","https://openalex.org/W2894506737","https://openalex.org/W2962980798","https://openalex.org/W2963450965","https://openalex.org/W4213224356","https://openalex.org/W4244707882","https://openalex.org/W4254389654","https://openalex.org/W6683150690","https://openalex.org/W6696592563"],"related_works":["https://openalex.org/W2489379490","https://openalex.org/W2141031289","https://openalex.org/W2116541631","https://openalex.org/W2167568384","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W2059045613","https://openalex.org/W1976511355","https://openalex.org/W1976249538","https://openalex.org/W2544668827"],"abstract_inverted_index":{"In":[0,31],"this":[1],"paper,":[2],"we":[3],"show":[4,59],"a":[5,69,95,110],"novel":[6],"algorithm":[7,117],"for":[8],"strong":[9],"line-of-sight":[10],"(LoS)":[11],"multiple-input-multiple-output":[12],"(MIMO)":[13],"channel":[14,52,64,105],"equalization.":[15,139],"With":[16],"optimally":[17],"spaced":[18],"antennas":[19],"under":[20],"specific":[21],"arrangements,":[22,204],"the":[23,45,49,61,75,80,85,102,114,142,145,151,162,172,177,180,191,199],"LoS":[24,50,62,122],"channels":[25],"can":[26,65,118],"be":[27,66,91,119],"made":[28],"spatially":[29],"orthogonal.":[30],"practice,":[32],"antenna":[33],"displacements":[34],"are":[35,84,132],"expected.":[36],"Conventional":[37],"algorithms":[38,201],"like":[39],"zero-forcing":[40],"(ZF)":[41],"do":[42],"not":[43],"consider":[44],"special":[46],"properties":[47],"of":[48,71,113,135,144,153,161,174,179],"MIMO":[51,63,123],"and":[53,89,100,148,158,188],"result":[54],"in":[55,109,155],"high":[56],"complexity.":[57,209],"We":[58],"that":[60],"factorized":[67],"into":[68],"product":[70,82],"three":[72],"matrices.":[73],"Thereby,":[74],"two":[76],"diagonal":[77],"matrices":[78],"at":[79],"outer":[81],"positions":[83],"most":[86],"varying":[87],"terms":[88],"should":[90],"compensated":[92],"dynamically.":[93],"Being":[94],"good":[96],"tradeoff":[97],"between":[98],"complexity":[99,178],"robustness,":[101],"proposed":[103,163,192],"sequential":[104],"equalization":[106],"is":[107,165],"applied":[108,120],"reverse":[111],"order":[112],"factorization.":[115],"The":[116],"to":[121,171],"systems":[124],"with":[125,169,202],"uniform":[126],"linear":[127],"or":[128,137],"rectangular":[129],"arrays,":[130],"which":[131],"making":[133],"use":[134],"digital":[136,157],"analog":[138,159],"By":[140],"considering":[141],"usage":[143],"Winograd":[146],"butterfly":[147],"Butler":[149],"matrices,":[150],"number":[152,173],"multiplications":[154],"both":[156],"implementations":[160],"solution":[164],"increasing":[166],"approximately":[167],"linearly":[168],"respect":[170],"antennas,":[175],"while":[176,205],"state-of-the-art":[181],"designs":[182],"grows":[183],"quadratically.":[184],"As":[185],"found":[186],"numerically":[187],"verified":[189],"experimentally,":[190],"method":[193],"performs":[194],"nearly":[195],"as":[196,198],"well":[197],"ZF-based":[200],"near-optimal":[203],"having":[206],"significantly":[207],"lower":[208]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}