{"id":"https://openalex.org/W1916443071","doi":"https://doi.org/10.1109/vetecs.2006.1683112","title":"Enhanced DFT Interpolation-based Channel Estimation for OFDM Systems with Virtual Subcarriers","display_name":"Enhanced DFT Interpolation-based Channel Estimation for OFDM Systems with Virtual Subcarriers","publication_year":2006,"publication_date":"2006-09-08","ids":{"openalex":"https://openalex.org/W1916443071","doi":"https://doi.org/10.1109/vetecs.2006.1683112","mag":"1916443071"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2006.1683112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2006.1683112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE 63rd Vehicular Technology Conference","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/A5100407433","display_name":"Dong Li","orcid":"https://orcid.org/0000-0002-3694-1852"},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Dong Li","raw_affiliation_strings":["R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","R&I center, Alcatel Shanghai Bell Co., Ltd., Shanghai 201206, China. Email: dong.li@alcatel-sbell.com.cn"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"R&I center, Alcatel Shanghai Bell Co., Ltd., Shanghai 201206, China. Email: dong.li@alcatel-sbell.com.cn","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103453667","display_name":"Feng Guo","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Feng Guo","raw_affiliation_strings":["R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","R&I Center, Alcatel Shanghai Bell Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"R&I Center, Alcatel Shanghai Bell Co., Ltd","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017109942","display_name":"Guosong Li","orcid":"https://orcid.org/0000-0001-7703-9454"},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Guosong Li","raw_affiliation_strings":["R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","R&I Center, Alcatel Shanghai Bell Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"R&I Center, Alcatel Shanghai Bell Co., Ltd","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101855708","display_name":"Liyu Cai","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Liyu Cai","raw_affiliation_strings":["R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","R&I Center, Alcatel Shanghai Bell Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&I center, Alcatel Shanghai Bell Corporation Limited, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"R&I Center, Alcatel Shanghai Bell Co., Ltd","institution_ids":["https://openalex.org/I1322087612"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1322087612"],"apc_list":null,"apc_paid":null,"fwci":3.4512,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.91700704,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"4","issue":null,"first_page":"1580","last_page":"1584"},"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":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/T12146","display_name":"Power Line Communications and Noise","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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8238259553909302},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7095911502838135},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6099598407745361},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5897216796875},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.5573397278785706},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5412963628768921},{"id":"https://openalex.org/keywords/wiener-filter","display_name":"Wiener filter","score":0.5036188960075378},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4963570237159729},{"id":"https://openalex.org/keywords/leakage","display_name":"Leakage (economics)","score":0.4789336621761322},{"id":"https://openalex.org/keywords/finite-impulse-response","display_name":"Finite impulse response","score":0.4134015440940857},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24742603302001953},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1597653329372406},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1111498773097992}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8238259553909302},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7095911502838135},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6099598407745361},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5897216796875},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.5573397278785706},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5412963628768921},{"id":"https://openalex.org/C18537770","wikidata":"https://www.wikidata.org/wiki/Q25523","display_name":"Wiener filter","level":2,"score":0.5036188960075378},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4963570237159729},{"id":"https://openalex.org/C2777042071","wikidata":"https://www.wikidata.org/wiki/Q6509304","display_name":"Leakage (economics)","level":2,"score":0.4789336621761322},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.4134015440940857},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24742603302001953},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1597653329372406},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1111498773097992},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2006.1683112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2006.1683112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE 63rd Vehicular Technology Conference","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":10,"referenced_works":["https://openalex.org/W1596608764","https://openalex.org/W2103699908","https://openalex.org/W2109070209","https://openalex.org/W2130467968","https://openalex.org/W2131909533","https://openalex.org/W2149063205","https://openalex.org/W2157441076","https://openalex.org/W2160015451","https://openalex.org/W2167187685","https://openalex.org/W6681800318"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W2125564215","https://openalex.org/W3097525855","https://openalex.org/W2517776947","https://openalex.org/W1986382998","https://openalex.org/W2084482193","https://openalex.org/W2363395155","https://openalex.org/W1562344721","https://openalex.org/W4317418808"],"abstract_inverted_index":{"In":[0,16],"practical":[1],"OFDM":[2],"systems,":[3],"some":[4],"virtual":[5,80],"subcarriers":[6,81],"are":[7],"reserved":[8],"for":[9,38],"easing":[10],"the":[11,14,19,39,59,68,73,79,85,97,103,114,119],"requirements":[12],"on":[13,58],"filter.":[15],"this":[17],"case,":[18],"channel":[20,49,125],"impulse":[21],"response":[22],"(CIR)":[23],"estimated":[24],"by":[25],"DFT":[26,47],"approaches":[27],"appears":[28],"a":[29],"spectral":[30],"leakage,":[31],"which":[32,63],"results":[33,94],"in":[34,78],"an":[35],"error":[36],"floor":[37,105],"MSE":[40,104],"performance.":[41],"This":[42],"paper":[43],"proposes":[44],"two":[45],"enhanced":[46],"interpolation-based":[48],"estimation":[50],"methods,":[51],"termed":[52],"as":[53,122],"EDFTI-CE-A":[54,99],"and":[55,82,92,113],"EDFTI-CE-B,":[56],"based":[57],"robust":[60],"Wiener":[61],"filtering,":[62],"can":[64,100,117],"eliminate":[65,102],"most":[66],"of":[67,75,87,106],"leakage":[69],"effect":[70,86],"owning":[71],"to":[72],"absence":[74],"pilot":[76],"symbols":[77],"further":[83],"suppress":[84],"additive":[88],"noise.":[89],"The":[90],"analysis":[91],"simulation":[93],"show":[95],"that":[96],"proposed":[98,115],"almost":[101],"conventional":[107],"DFTI-CE":[108],"with":[109,128],"small":[110],"complexity":[111,132],"increase":[112],"EDFTI-CE-B":[116],"achieve":[118],"same":[120],"performance":[121],"linear":[123],"MMSE":[124],"estimator":[126],"but":[127],"much":[129],"lower":[130],"computational":[131]},"counts_by_year":[{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}