{"id":"https://openalex.org/W2021500666","doi":"https://doi.org/10.1109/vetecs.2012.6239983","title":"A Low-Complexity Semi-Blind Joint CFO and Data Estimation Algorithm for OFDM Systems","display_name":"A Low-Complexity Semi-Blind Joint CFO and Data Estimation Algorithm for OFDM Systems","publication_year":2012,"publication_date":"2012-05-01","ids":{"openalex":"https://openalex.org/W2021500666","doi":"https://doi.org/10.1109/vetecs.2012.6239983","mag":"2021500666"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2012.6239983","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2012.6239983","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 75th Vehicular Technology Conference (VTC Spring)","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/A5040974004","display_name":"Kilbom Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kilbom Lee","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101753987","display_name":"Sung-Hyun Moon","orcid":"https://orcid.org/0000-0002-6757-379X"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sung-Hyun Moon","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100697614","display_name":"Inkyu Lee","orcid":"https://orcid.org/0000-0003-3701-4433"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Inkyu Lee","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5040974004"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.08853577,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"43","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":0.9998000264167786,"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":0.9994000196456909,"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/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.8713161945343018},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7310987114906311},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7222355604171753},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6362571120262146},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6356638669967651},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.429505318403244},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.42644405364990234},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.41684070229530334},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.2916024327278137},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2566187381744385},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2543986141681671}],"concepts":[{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.8713161945343018},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7310987114906311},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7222355604171753},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6362571120262146},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6356638669967651},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.429505318403244},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.42644405364990234},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.41684070229530334},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.2916024327278137},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2566187381744385},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2543986141681671}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2012.6239983","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2012.6239983","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 75th Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1980502833","https://openalex.org/W2024815294","https://openalex.org/W2101288405","https://openalex.org/W2104786202","https://openalex.org/W2105591293","https://openalex.org/W2108692423","https://openalex.org/W2118705428","https://openalex.org/W2121564656","https://openalex.org/W2121597910","https://openalex.org/W2131909533","https://openalex.org/W2148026173","https://openalex.org/W2148927121","https://openalex.org/W2159043079","https://openalex.org/W2160988084","https://openalex.org/W2168757797","https://openalex.org/W2429501648","https://openalex.org/W2489605225"],"related_works":["https://openalex.org/W2183273440","https://openalex.org/W2181352736","https://openalex.org/W2164367930","https://openalex.org/W4385774821","https://openalex.org/W2811018130","https://openalex.org/W1965281974","https://openalex.org/W2161400403","https://openalex.org/W24185419","https://openalex.org/W1979121255","https://openalex.org/W2509553561"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,27,92],"propose":[4],"a":[5,30,74,78,94,159,164],"low-complexity":[6],"semi-blind":[7],"joint":[8,66],"carrier":[9],"frequency":[10,19],"offset":[11],"(CFO)":[12],"and":[13,39,55,68,77,150],"data":[14,40,69,79,101,105,125],"estimation":[15],"algorithm":[16,33],"for":[17,163],"orthogonal":[18],"division":[20],"multiplexing":[21],"(OFDM)":[22],"systems.":[23],"Given":[24],"channel":[25],"information,":[26],"first":[28],"provide":[29],"new":[31],"iterative":[32],"which":[34,85,111],"jointly":[35],"estimates":[36],"the":[37,46,51,61,65,88,108,113,116,122,129,137,143,170,173],"CFO":[38,67,75,118,139],"based":[41],"on":[42],"pilots":[43,127,168],"by":[44,106],"minimizing":[45],"mean":[47],"square":[48],"error":[49],"between":[50],"received":[52],"OFDM":[53],"symbol":[54],"its":[56],"regenerated":[57],"signal.":[58],"By":[59],"using":[60],"matrix":[62],"inversion":[63],"lemma,":[64],"estimator":[70,76,119,140],"is":[71],"divided":[72],"into":[73],"detector":[80],"without":[81],"loss":[82],"of":[83,167,172],"optimality,":[84],"significantly":[86],"reduces":[87],"computational":[89],"complexity.":[90],"Also,":[91],"present":[93],"decision":[95,175],"feedback":[96,176],"strategy":[97],"to":[98,153],"select":[99],"reliable":[100,124],"from":[102],"previously":[103],"detected":[104],"adopting":[107],"probability":[109],"metric":[110],"evaluates":[112],"reliability.":[114],"Then,":[115],"simplified":[117,138],"can":[120,141],"utilize":[121],"selected":[123],"as":[126],"in":[128,148],"next":[130],"iteration":[131],"step.":[132],"Simulation":[133],"results":[134],"show":[135],"that":[136],"achieve":[142],"average":[144],"Cramer":[145],"Rao":[146],"bound":[147],"moderate":[149],"high":[151],"signal":[152],"noise":[154],"ratio":[155],"(SNR)":[156],"regions":[157],"within":[158],"few":[160],"iterations":[161],"even":[162],"small":[165],"number":[166],"with":[169],"help":[171],"proposed":[174],"strategy.":[177]},"counts_by_year":[{"year":2017,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
