{"id":"https://openalex.org/W2541314828","doi":"https://doi.org/10.1109/iciinfs.2008.4798382","title":"An Efficient Maximum Likelihood CFO Estimation Technique for OFDMA Uplink Transmissions","display_name":"An Efficient Maximum Likelihood CFO Estimation Technique for OFDMA Uplink Transmissions","publication_year":2008,"publication_date":"2008-12-01","ids":{"openalex":"https://openalex.org/W2541314828","doi":"https://doi.org/10.1109/iciinfs.2008.4798382","mag":"2541314828"},"language":"en","primary_location":{"id":"doi:10.1109/iciinfs.2008.4798382","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iciinfs.2008.4798382","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE Region 10 and the Third international Conference on Industrial and Information Systems","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/A5090646467","display_name":"S. M. Sameer","orcid":"https://orcid.org/0000-0002-1685-7936"},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S. M Sameer","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, Kerala, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology, Calicut, Kerala, India","institution_ids":["https://openalex.org/I114845381"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109159216","display_name":"R. V. Raja Kumar","orcid":null},"institutions":[{"id":"https://openalex.org/I145894827","display_name":"Indian Institute of Technology Kharagpur","ror":"https://ror.org/03w5sq511","country_code":"IN","type":"education","lineage":["https://openalex.org/I145894827"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R. V. Raja Kumar","raw_affiliation_strings":["Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, IN","institution_ids":["https://openalex.org/I145894827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3392,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.6965961,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"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":0.9995999932289124,"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":0.9994999766349792,"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/subcarrier","display_name":"Subcarrier","score":0.9270926713943481},{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.9053893089294434},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.7814581394195557},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7393248081207275},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7049143314361572},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5769882202148438},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.5616306662559509},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5342679619789124},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4993906021118164},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.4713693857192993},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45916447043418884},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.4181060791015625},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.4151929020881653},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.34372177720069885},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.33954310417175293},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2578468322753906},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.19119048118591309},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17816638946533203},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.16263312101364136},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1324479877948761}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.9270926713943481},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.9053893089294434},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.7814581394195557},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7393248081207275},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7049143314361572},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5769882202148438},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.5616306662559509},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5342679619789124},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4993906021118164},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.4713693857192993},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45916447043418884},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.4181060791015625},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.4151929020881653},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34372177720069885},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.33954310417175293},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2578468322753906},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.19119048118591309},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17816638946533203},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.16263312101364136},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1324479877948761},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iciinfs.2008.4798382","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iciinfs.2008.4798382","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE Region 10 and the Third international Conference on Industrial and Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2027263674","https://openalex.org/W2100459091","https://openalex.org/W2104603907","https://openalex.org/W2116093748","https://openalex.org/W2118945493","https://openalex.org/W2120030930","https://openalex.org/W2124320977","https://openalex.org/W2125487359","https://openalex.org/W2143794049","https://openalex.org/W2146654829","https://openalex.org/W2158854859","https://openalex.org/W2159043079"],"related_works":["https://openalex.org/W2541314828","https://openalex.org/W2884849751","https://openalex.org/W2093099276","https://openalex.org/W2097993687","https://openalex.org/W2131811892","https://openalex.org/W1486522140","https://openalex.org/W2160442106","https://openalex.org/W2051220555","https://openalex.org/W2297763332","https://openalex.org/W2142548449"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,28,39,50,126,132,138],"null":[3,58],"subcarrier":[4,59],"based":[5],"carrier":[6],"frequency":[7,16,66],"offset":[8],"(CFO)":[9],"estimation":[10,42,45,113],"technique":[11,77],"for":[12],"the":[13,33,55,63,75,86,90,97,106,111],"uplink":[14],"orthogonal":[15],"division":[17],"multiple":[18,40],"access":[19],"(OFDMA)":[20],"communication":[21],"system.":[22],"Here":[23],"each":[24],"user":[25],"may":[26],"experience":[27],"different":[29],"CFO":[30,98],"relative":[31],"to":[32,62,83,124],"base":[34],"station.":[35],"This":[36],"results":[37],"in":[38,57,89],"parameter":[41],"problem.":[43],"The":[44,68,92],"is":[46,122],"done":[47],"by":[48],"minimizing":[49],"cost":[51],"function":[52],"that":[53,109,130],"computes":[54],"energy":[56],"locations":[60],"due":[61],"impact":[64],"of":[65,74,85,96,105,131],"offset.":[67],"computational":[69,141],"complexity":[70,142],"and":[71,100,143],"training":[72],"overhead":[73],"proposed":[76,112],"are":[78,115],"much":[79,139],"lower":[80,140],"as":[81,129],"compared":[82],"some":[84],"existing":[87],"schemes":[88],"literature.":[91],"mean":[93],"square":[94],"error":[95,102],"estimator":[99],"bit":[101],"rate":[103],"performance":[104,128],"OFDMA":[107],"receiver":[108],"employs":[110],"scheme":[114],"studied":[116],"through":[117],"computer":[118],"simulations.":[119],"Our":[120],"algorithm":[121],"shown":[123],"achieve":[125],"comparable":[127],"recently":[133],"reported":[134],"method":[135],"but":[136],"with":[137],"bandwidth":[144],"overhead.":[145]},"counts_by_year":[{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}