{"id":"https://openalex.org/W2134207340","doi":"https://doi.org/10.1109/apccas.2008.4746090","title":"Frequency synchronization for OFDM systems over doubly-selective channels","display_name":"Frequency synchronization for OFDM systems over doubly-selective channels","publication_year":2008,"publication_date":"2008-11-01","ids":{"openalex":"https://openalex.org/W2134207340","doi":"https://doi.org/10.1109/apccas.2008.4746090","mag":"2134207340"},"language":"en","primary_location":{"id":"doi:10.1109/apccas.2008.4746090","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2008.4746090","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and 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/A5077266722","display_name":"Jianwu Chen","orcid":"https://orcid.org/0000-0002-3187-7660"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jianwu Chen","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085964667","display_name":"Yik\u2010Chung Wu","orcid":"https://orcid.org/0000-0002-2738-0387"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yik-Chung Wu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000693504","display_name":"Tung-Sang Ng","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Tung-Sang Ng","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3392,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.6653995,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"45","issue":null,"first_page":"582","last_page":"585"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9977999925613403,"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":0.9927999973297119,"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":0.9418513774871826},{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.8591776490211487},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7375102043151855},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.6392651200294495},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.621032178401947},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.6187064051628113},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6033917665481567},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.44692936539649963},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4377751350402832},{"id":"https://openalex.org/keywords/frequency-division-multiplexing","display_name":"Frequency-division multiplexing","score":0.42830461263656616},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4152366518974304},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.35799944400787354},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.33768391609191895},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.276126891374588},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26432090997695923},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.2617636024951935},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12486961483955383},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06115582585334778}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.9418513774871826},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.8591776490211487},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7375102043151855},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.6392651200294495},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.621032178401947},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6187064051628113},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6033917665481567},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.44692936539649963},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4377751350402832},{"id":"https://openalex.org/C89061704","wikidata":"https://www.wikidata.org/wiki/Q5555726","display_name":"Frequency-division multiplexing","level":4,"score":0.42830461263656616},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4152366518974304},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.35799944400787354},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.33768391609191895},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.276126891374588},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26432090997695923},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.2617636024951935},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12486961483955383},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06115582585334778},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","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":2,"locations":[{"id":"doi:10.1109/apccas.2008.4746090","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2008.4746090","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:hub.hku.hk:10722/62060","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/62060","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference_Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2047250998","https://openalex.org/W2070669938","https://openalex.org/W2072575400","https://openalex.org/W2097230332","https://openalex.org/W2110774823","https://openalex.org/W2119857453","https://openalex.org/W2128582577","https://openalex.org/W2132147894","https://openalex.org/W2132596817","https://openalex.org/W2138706041","https://openalex.org/W2144757832","https://openalex.org/W2156788281","https://openalex.org/W3188818167"],"related_works":["https://openalex.org/W2163799874","https://openalex.org/W2373492178","https://openalex.org/W3134916881","https://openalex.org/W2110234499","https://openalex.org/W1974045225","https://openalex.org/W3175192043","https://openalex.org/W2545242507","https://openalex.org/W2068304403","https://openalex.org/W2371617615","https://openalex.org/W2100216465"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"investigate":[4],"the":[5,24,30,42,47,58],"problem":[6,49],"of":[7,57],"carrier":[8],"frequency":[9,15],"offset":[10],"(CFO)":[11],"estimation":[12,48],"for":[13,46],"Orthogonal":[14],"division":[16],"multiplexing":[17],"(OFDM)":[18],"system":[19],"over":[20],"doubly-selective":[21,25],"channels.":[22],"Representing":[23],"channels":[26],"with":[27],"basis":[28],"expansion,":[29],"signal":[31],"model":[32],"is":[33,39,50,61],"reformulated":[34],"and":[35],"one":[36],"CFO":[37],"estimator":[38],"derived.":[40],"Furthermore,":[41],"Cram\u00e9r-Rao":[43],"bound":[44],"(CRB)":[45],"derived":[51],"in":[52],"closed":[53],"form.":[54],"The":[55],"effectiveness":[56],"proposed":[59],"scheme":[60],"verified":[62],"by":[63],"simulations.":[64]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
