{"id":"https://openalex.org/W2159169804","doi":"https://doi.org/10.1109/glocom.2010.5683260","title":"Channel Code Aided Decision-Directed Channel Estimation for MIMO OFDM/SDMA Systems Based on the \"Expectation-Conditional Maximization Either\" Algorithm","display_name":"Channel Code Aided Decision-Directed Channel Estimation for MIMO OFDM/SDMA Systems Based on the \"Expectation-Conditional Maximization Either\" Algorithm","publication_year":2010,"publication_date":"2010-12-01","ids":{"openalex":"https://openalex.org/W2159169804","doi":"https://doi.org/10.1109/glocom.2010.5683260","mag":"2159169804"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2010.5683260","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5067509102","display_name":"Jiankang Zhang","orcid":"https://orcid.org/0000-0001-5316-1711"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"funder","lineage":["https://openalex.org/I38877650"]},{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"funder","lineage":["https://openalex.org/I43439940"]}],"countries":["CN","GB"],"is_corresponding":false,"raw_author_name":"Jiankang Zhang","raw_affiliation_strings":["School of ECS, University of Southampton, UK","School of Information Engineering, University of Zhengzhou, Zhengzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, University of Zhengzhou, Zhengzhou, China","institution_ids":["https://openalex.org/I38877650"]},{"raw_affiliation_string":"School of ECS, University of Southampton, UK","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091122305","display_name":"Lajos Hanzo","orcid":"https://orcid.org/0000-0002-2636-5214"},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"funder","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Lajos Hanzo","raw_affiliation_strings":["School of ECS, University of Southampton, UK"],"affiliations":[{"raw_affiliation_string":"School of ECS, University of Southampton, UK","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108473994","display_name":"Xiaomin Mu","orcid":null},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"funder","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaomin Mu","raw_affiliation_strings":["School of Information Engineering, University of Zhengzhou, Zhengzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, University of Zhengzhou, Zhengzhou, China","institution_ids":["https://openalex.org/I38877650"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.367,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":1,"citation_normalized_percentile":{"value":0.290268,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":64,"max":71},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9999,"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":0.9999,"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":0.9997,"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":0.9988,"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/maximization","display_name":"Maximization","score":0.51736873}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6869757},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.6714226},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6254808},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6212198},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6089772},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5308928},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.51736873},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49254093},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28765428},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.27724934},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16866216}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2010.5683260","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":20,"referenced_works":["https://openalex.org/W1514652980","https://openalex.org/W1965392255","https://openalex.org/W1967639437","https://openalex.org/W2049633694","https://openalex.org/W2091999113","https://openalex.org/W2099076522","https://openalex.org/W2106326090","https://openalex.org/W2107926099","https://openalex.org/W2118254160","https://openalex.org/W2118887485","https://openalex.org/W2129369157","https://openalex.org/W2134400130","https://openalex.org/W2138977862","https://openalex.org/W2141985964","https://openalex.org/W2142187810","https://openalex.org/W2143084617","https://openalex.org/W2169910336","https://openalex.org/W2298372462","https://openalex.org/W2485002209","https://openalex.org/W250076511"],"related_works":["https://openalex.org/W4291701075","https://openalex.org/W3161598161","https://openalex.org/W2366188968","https://openalex.org/W2306672848","https://openalex.org/W2188042986","https://openalex.org/W2159772567","https://openalex.org/W2131004566","https://openalex.org/W2128552819","https://openalex.org/W2055131418","https://openalex.org/W1501039677"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,82,93,142],"Forward":[4],"Error":[5],"Coded":[6],"(FEC)":[7],"Decision-Directed":[8],"(FEC-DD)":[9],"channel":[10],"estimation":[11],"scheme":[12,124],"is":[13,29,42,90,125],"proposed":[14,39,114,123],"for":[15],"Multiple-Input":[16],"Multiple-Output":[17],"(MIMO)":[18],"Orthogonal":[19],"Frequency":[20],"Division":[21,23],"Multiplexing/Space":[22],"Multiple":[24],"Access":[25],"(OFDM/SDMA)":[26],"systems":[27],"which":[28],"based":[30,52],"on":[31],"the":[32,45,59,65,70,75,99,104,109,113,122,129,137,146],"Expectation-Conditional":[33],"Maximization":[34],"Either":[35],"(ECME)":[36],"algorithm.":[37],"The":[38],"DD":[40],"technique":[41],"combined":[43],"with":[44],"Optimised":[46],"Hierarchy":[47],"Reduced":[48],"Search":[49],"Algorithm":[50],"(OHRSA)":[51],"Multi-User":[53],"Detector":[54],"(MUD)":[55],"and":[56],"directly":[57],"calculates":[58],"Maximization-Step":[60],"(M-Step)":[61],"by":[62,133],"conditionally":[63],"maximizing":[64],"logarithmic":[66],"likelihood":[67],"function":[68],"of":[69,77,112,127,141],"\"incomplete\"":[71],"data.":[72],"We":[73],"avoid":[74],"employment":[76],"matrix":[78],"inversion,":[79],"since":[80,95],"only":[81],"single":[83],"subcarrier's":[84],"Frequency-Domain":[85],"CHannel":[86],"Transfer":[87],"Function":[88],"(FD-CHTF)":[89],"calculated":[91],"at":[92],"time,":[94],"we":[96],"assume":[97],"that":[98,121],"other":[100],"subcarriers'":[101],"FD-CHTFs":[102],"are":[103],"most":[105],"recent":[106],"estimates":[107],"from":[108],"previous":[110],"iteration":[111],"scheme.":[115],"Our":[116],"simulation":[117],"results":[118],"have":[119],"demonstrated":[120],"capable":[126],"reducing":[128],"received":[130],"power":[131],"requirement":[132],"4dB":[134],"upon":[135],"exploiting":[136],"error":[138],"correction":[139],"capability":[140],"FEC":[143],"decoder":[144],"within":[145],"ECME":[147],"loop.":[148]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2159169804","counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-04-16T02:21:50.059622","created_date":"2016-06-24"}