{"id":"https://openalex.org/W2040565839","doi":"https://doi.org/10.1109/vetecf.2011.6092958","title":"Aspects of MIMO Channel Estimation for LTE Uplink","display_name":"Aspects of MIMO Channel Estimation for LTE Uplink","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2040565839","doi":"https://doi.org/10.1109/vetecf.2011.6092958","mag":"2040565839"},"language":"en","primary_location":{"id":"doi:10.1109/vetecf.2011.6092958","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6092958","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","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/A5022541196","display_name":"Henrik Sahlin","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Henrik Sahlin","raw_affiliation_strings":["Baseband Research, Ericsson AB, Gothenburg, Sweden","Baseband Res., Ericsson AB, Gothenburg, Sweden"],"affiliations":[{"raw_affiliation_string":"Baseband Research, Ericsson AB, Gothenburg, Sweden","institution_ids":["https://openalex.org/I1306339040"]},{"raw_affiliation_string":"Baseband Res., Ericsson AB, Gothenburg, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039123807","display_name":"Anders Persson","orcid":"https://orcid.org/0000-0002-9935-8306"},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Anders Persson","raw_affiliation_strings":["Baseband Research, Ericsson AB, Gothenburg, Sweden","Baseband Res., Ericsson AB, Gothenburg, Sweden"],"affiliations":[{"raw_affiliation_string":"Baseband Research, Ericsson AB, Gothenburg, Sweden","institution_ids":["https://openalex.org/I1306339040"]},{"raw_affiliation_string":"Baseband Res., Ericsson AB, Gothenburg, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5022541196"],"corresponding_institution_ids":["https://openalex.org/I1306339040"],"apc_list":null,"apc_paid":null,"fwci":0.5299,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.69817835,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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":1.0,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9984999895095825,"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":0.9966999888420105,"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/telecommunications-link","display_name":"Telecommunications link","score":0.6363517642021179},{"id":"https://openalex.org/keywords/discrete-fourier-transform","display_name":"Discrete Fourier transform (general)","score":0.6313568353652954},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6231011748313904},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.5606968998908997},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.559947669506073},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5467568039894104},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5463883280754089},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.5272302031517029},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5177854299545288},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4543858766555786},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37622779607772827},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2877379059791565},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27517879009246826},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.19811204075813293},{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.15627166628837585},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15527474880218506},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11376708745956421},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06609421968460083}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6363517642021179},{"id":"https://openalex.org/C57733114","wikidata":"https://www.wikidata.org/wiki/Q1006032","display_name":"Discrete Fourier transform (general)","level":5,"score":0.6313568353652954},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6231011748313904},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.5606968998908997},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.559947669506073},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5467568039894104},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5463883280754089},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.5272302031517029},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5177854299545288},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4543858766555786},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37622779607772827},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2877379059791565},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27517879009246826},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.19811204075813293},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.15627166628837585},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15527474880218506},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11376708745956421},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06609421968460083},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecf.2011.6092958","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6092958","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1495565530","https://openalex.org/W2103699908","https://openalex.org/W2116634617","https://openalex.org/W2117029654","https://openalex.org/W2139355335","https://openalex.org/W2149063205","https://openalex.org/W6629548095"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W2150576912","https://openalex.org/W2108727544","https://openalex.org/W2112053570","https://openalex.org/W2145506072","https://openalex.org/W2963134360","https://openalex.org/W4229011731","https://openalex.org/W2580553203","https://openalex.org/W3013474837"],"abstract_inverted_index":{"The":[0],"use":[1,53,70,103],"of":[2,168],"MIMO":[3,140],"(Multiple":[4],"Input":[5],"Multiple":[6],"Output)":[7],"in":[8,38,64,85,121,141],"current":[9,123],"and":[10,45,68],"future":[11],"mobile":[12],"communications":[13],"relies":[14],"on":[15],"accurate":[16],"channel":[17,30,62,81,93,110,128,149,162,173,188,203],"estimates.":[18,204],"In":[19,151],"OFDM":[20],"based":[21,109,127,148,161,172,187,202],"systems":[22],"such":[23,48,112],"as":[24,119,137],"LTE":[25,142],"(Long":[26],"Term":[27],"Evolution),":[28],"the":[29,54,61,65,76,86,122,125,146,159,184],"estimation":[31],"can":[32],"be":[33],"successfully":[34],"designed":[35],"with":[36,158],"processing":[37],"a":[39,91,104,164],"transform":[40,50,73],"domain,":[41],"both":[42],"for":[43,139,143],"uplink":[44],"downlink.":[46],"One":[47,95],"popular":[49],"is":[51,83,101,116,166,190],"to":[52,72,75,90,98,102,153],"IDFT":[55],"(Inverse":[56],"Discrete":[57],"Fourier":[58],"Transform),":[59],"window":[60],"estimate":[63,82,129,174,189],"time":[66],"domain":[67,78],"then":[69],"DFT":[71,147,160,171,186],"back":[74],"frequency":[77],"again.":[79],"This":[80],"distorted":[84],"band":[87,155],"edges":[88],"leading":[89],"biased":[92],"estimate.":[94],"suggested":[96],"solution":[97],"this":[99,114],"problem":[100],"DCT":[105,126,201],"(Discrete":[106],"Cosine":[107],"Transform)":[108],"estimator,":[111],"that":[113,183],"distortion":[115],"reduced.":[117],"However,":[118],"discussed":[120],"paper,":[124],"suffers":[130],"more":[131,191],"from":[132,195],"cyclically":[133],"shifted":[134,197],"reference":[135,198],"signals,":[136],"used":[138],"uplink,":[144],"than":[145,200],"estimator.":[150],"order":[152],"overcome":[154],"edge":[156],"problems":[157],"estimate,":[163],"method":[165],"proposed":[167],"de-biasing":[169],"over-sampled":[170],"by":[175],"using":[176],"digital":[177],"sinc":[178],"functions.":[179],"Simulation":[180],"results":[181],"indicate":[182],"de-biased":[185],"robust":[192],"against":[193],"interference":[194],"cyclic":[196],"signals":[199]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}