{"id":"https://openalex.org/W2008464227","doi":"https://doi.org/10.1109/vtcfall.2012.6398887","title":"A Pilot-Aided Frequency Offset Estimation Algorithm for OFDMA Uplink Systems","display_name":"A Pilot-Aided Frequency Offset Estimation Algorithm for OFDMA Uplink Systems","publication_year":2012,"publication_date":"2012-09-01","ids":{"openalex":"https://openalex.org/W2008464227","doi":"https://doi.org/10.1109/vtcfall.2012.6398887","mag":"2008464227"},"language":"en","primary_location":{"id":"doi:10.1109/vtcfall.2012.6398887","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcfall.2012.6398887","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 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/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":0.7365,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.73360989,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"17","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","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/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.85740727186203},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7632713317871094},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7234262228012085},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6742987036705017},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6395960450172424},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.636465847492218},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.5672341585159302},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.5430362820625305},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.514183521270752},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4936410188674927},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.45250260829925537},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4310866594314575},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3483978509902954},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.29429298639297485},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.286885529756546},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13697323203086853}],"concepts":[{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.85740727186203},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7632713317871094},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7234262228012085},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6742987036705017},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6395960450172424},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.636465847492218},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.5672341585159302},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.5430362820625305},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.514183521270752},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4936410188674927},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.45250260829925537},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4310866594314575},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3483978509902954},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.29429298639297485},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.286885529756546},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13697323203086853},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtcfall.2012.6398887","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcfall.2012.6398887","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 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":17,"referenced_works":["https://openalex.org/W2033060443","https://openalex.org/W2101288405","https://openalex.org/W2104603907","https://openalex.org/W2104786202","https://openalex.org/W2105591293","https://openalex.org/W2108692423","https://openalex.org/W2121597910","https://openalex.org/W2124320977","https://openalex.org/W2125436770","https://openalex.org/W2140754738","https://openalex.org/W2142019271","https://openalex.org/W2143515892","https://openalex.org/W2146654829","https://openalex.org/W2148937680","https://openalex.org/W2159217920","https://openalex.org/W2170584381","https://openalex.org/W2187326887"],"related_works":["https://openalex.org/W2884849751","https://openalex.org/W1486522140","https://openalex.org/W3190354038","https://openalex.org/W1836907912","https://openalex.org/W2093099276","https://openalex.org/W2065600682","https://openalex.org/W2087148214","https://openalex.org/W2051220555","https://openalex.org/W2166055722","https://openalex.org/W2120186591"],"abstract_inverted_index":{"In":[0],"this":[1,63],"paper,":[2],"we":[3,44],"propose":[4],"a":[5,66],"pilot":[6],"aided":[7],"carrier":[8,122],"frequency":[9,16],"offset":[10],"(CFO)":[11],"estimation":[12,68],"algorithm":[13,69,98,116],"for":[14,105,120],"orthogonal":[15],"division":[17],"multiplexing":[18],"access":[19],"(OFDMA)":[20],"uplink":[21],"systems":[22],"based":[23],"on":[24,62],"two":[25,41],"consecutive":[26,42],"received":[27,48,82],"OFDMA":[28,49,59,83],"symbols.":[29],"Assuming":[30],"that":[31,95],"the":[32,35,40,46,54,57,72,76,81,96,100,115],"channels":[33],"and":[34,56,85,107],"CFOs":[36,55,73],"are":[37],"static":[38],"over":[39],"symbols,":[43],"express":[45],"second":[47],"symbol":[50,84],"in":[51],"terms":[52],"of":[53],"first":[58],"symbol.":[60],"Based":[61],"signal":[64,88,109],"model,":[65],"new":[67],"which":[70],"obtains":[71],"by":[74],"minimizing":[75],"mean":[77],"square":[78],"distance":[79],"between":[80],"its":[86],"regenerated":[87],"is":[89],"provided.":[90],"The":[91],"simulation":[92],"results":[93],"show":[94],"proposed":[97],"approaches":[99],"average":[101],"Cramer":[102],"Rao":[103],"bound":[104],"moderate":[106],"high":[108],"to":[110],"noise":[111],"ratio":[112],"regions.":[113],"Moreover,":[114],"can":[117],"be":[118],"applied":[119],"any":[121],"assignment":[123],"schemes.":[124]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}