{"id":"https://openalex.org/W2142848901","doi":"https://doi.org/10.1109/icassp.2005.1415845","title":"Joint Synchronization and Channel Estimation in Uplink OFDMA Systems","display_name":"Joint Synchronization and Channel Estimation in Uplink OFDMA Systems","publication_year":2006,"publication_date":"2006-10-11","ids":{"openalex":"https://openalex.org/W2142848901","doi":"https://doi.org/10.1109/icassp.2005.1415845","mag":"2142848901"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2005.1415845","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2005.1415845","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. (ICASSP '05). IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005.","raw_type":"proceedings-article"},"type":"conference-paper","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/A5040559125","display_name":"Man-On Pun","orcid":"https://orcid.org/0000-0003-3316-5381"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Man-On Pun","raw_affiliation_strings":["Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001082656","display_name":"C.\u2010C. Jay Kuo","orcid":"https://orcid.org/0000-0001-9474-5035"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C.-C.J. Kuo","raw_affiliation_strings":["Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035573835","display_name":"Michele Morelli","orcid":"https://orcid.org/0000-0002-9683-7088"},"institutions":[{"id":"https://openalex.org/I108290504","display_name":"University of Pisa","ror":"https://ror.org/03ad39j10","country_code":"IT","type":"education","lineage":["https://openalex.org/I108290504"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"M. Morelli","raw_affiliation_strings":["Department of Information Engineering, University of Pisa, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Engineering, University of Pisa, Pisa, Italy","institution_ids":["https://openalex.org/I108290504"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"857","last_page":"860"},"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":0.9998000264167786,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9993000030517578,"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":0.8321412801742554},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.7463454008102417},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7351669073104858},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6582898497581482},{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.5944880247116089},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5784281492233276},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.5437201261520386},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5214444994926453},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.49561774730682373},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.4529111385345459},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.44601044058799744},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4279502034187317},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4030293822288513},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.3807846009731293},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35806804895401},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2050512433052063},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17174789309501648},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.15166372060775757},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12876832485198975}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8321412801742554},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.7463454008102417},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7351669073104858},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6582898497581482},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.5944880247116089},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5784281492233276},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.5437201261520386},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5214444994926453},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.49561774730682373},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.4529111385345459},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.44601044058799744},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4279502034187317},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4030293822288513},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.3807846009731293},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35806804895401},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2050512433052063},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17174789309501648},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.15166372060775757},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12876832485198975},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2005.1415845","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2005.1415845","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. (ICASSP '05). IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005.","raw_type":"proceedings-article"},{"id":"pmh:oai:arpi.unipi.it:11568/96928","is_oa":false,"landing_page_url":"http://hdl.handle.net/11568/96928","pdf_url":null,"source":{"id":"https://openalex.org/S4377196265","display_name":"CINECA IRIS Institutial research information system (University of Pisa)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I108290504","host_organization_name":"University of Pisa","host_organization_lineage":["https://openalex.org/I108290504"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2033350593","https://openalex.org/W2104719891","https://openalex.org/W2118945493","https://openalex.org/W2119442953","https://openalex.org/W2120030930","https://openalex.org/W2133920396","https://openalex.org/W2140728947","https://openalex.org/W2155485201","https://openalex.org/W6658951540"],"related_works":["https://openalex.org/W2541314828","https://openalex.org/W2884849751","https://openalex.org/W2093099276","https://openalex.org/W2131811892","https://openalex.org/W2160442106","https://openalex.org/W2097993687","https://openalex.org/W1486522140","https://openalex.org/W2051220555","https://openalex.org/W2297763332","https://openalex.org/W2142548449"],"abstract_inverted_index":{"We":[0],"consider":[1],"the":[2,10,14,51,70,75,89,108,111,116],"uplink":[3],"of":[4,12,23,49,81,110],"an":[5],"OFDMA":[6],"system":[7],"and":[8,20,37,73],"address":[9],"problem":[11],"estimating":[13],"carrier":[15],"frequency":[16,112],"offset,":[17],"timing":[18],"error":[19],"channel":[21],"response":[22],"each":[24],"active":[25],"user.":[26],"In":[27],"doing":[28],"so":[29],"we":[30,67],"follow":[31],"a":[32,40,55,79],"maximum":[33],"likelihood":[34],"(ML)":[35],"approach":[36],"assume":[38],"that":[39,58,107],"training":[41],"sequence":[42,80],"is":[43,59],"available.":[44],"Unfortunately,":[45],"joint":[46],"ML":[47],"estimation":[48],"all":[50],"above":[52],"parameters":[53],"involves":[54],"multi-dimensional":[56],"grid-search":[57],"difficult":[60],"to":[61,69,85],"implement":[62],"in":[63],"practical":[64],"systems.":[65],"Therefore":[66],"resort":[68],"alternating-projection":[71],"algorithm":[72],"replace":[74],"multidimensional":[76],"search":[77],"with":[78,100],"one-dimensional":[82],"searches.":[83],"Compared":[84],"other":[86],"existing":[87],"methods,":[88],"proposed":[90],"estimator":[91],"has":[92],"more":[93],"flexibility":[94],"since":[95],"it":[96],"can":[97],"be":[98],"used":[99],"any":[101],"subcarrier":[102],"assignment":[103],"scheme.":[104],"Simulations":[105],"indicate":[106],"accuracy":[109],"estimates":[113],"asymptotically":[114],"achieve":[115],"relevant":[117],"Cramer-Rao":[118],"bound":[119],"(CRB).":[120]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
