{"id":"https://openalex.org/W2135219381","doi":"https://doi.org/10.1109/vetecs.2010.5493621","title":"Joint Carrier Frequency Offset and Direction of Arrival Estimation via Hierarchical ESPRIT for Interleaved OFDMA/SDMA Uplink Systems","display_name":"Joint Carrier Frequency Offset and Direction of Arrival Estimation via Hierarchical ESPRIT for Interleaved OFDMA/SDMA Uplink Systems","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2135219381","doi":"https://doi.org/10.1109/vetecs.2010.5493621","mag":"2135219381"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2010.5493621","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2010.5493621","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE 71st Vehicular Technology Conference","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/A5044425932","display_name":"Kuo-Hsiung Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Kuo-Hsiung Wu","raw_affiliation_strings":["Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","Dept. of Electron. Eng., National Taiwan Univ. of Sci. & Technol., Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Dept. of Electron. Eng., National Taiwan Univ. of Sci. & Technol., Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111446401","display_name":"Wen\u2010Hsien Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wen-Hsien Fang","raw_affiliation_strings":["Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","Dept. of Electron. Eng., National Taiwan Univ. of Sci. & Technol., Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Dept. of Electron. Eng., National Taiwan Univ. of Sci. & Technol., Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077826217","display_name":"Yie\u2010Tarng Chen","orcid":"https://orcid.org/0000-0002-7221-1603"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yie-Tarng Chen","raw_affiliation_strings":["Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","Dept. of Electron. Eng., National Taiwan Univ. of Sci. & Technol., Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Dept. of Electron. Eng., National Taiwan Univ. of Sci. & Technol., Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5044425932"],"corresponding_institution_ids":["https://openalex.org/I154864474"],"apc_list":null,"apc_paid":null,"fwci":1.6858,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.85080724,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9994000196456909,"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":0.7654880881309509},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7533614039421082},{"id":"https://openalex.org/keywords/space-division-multiple-access","display_name":"Space-division multiple access","score":0.7152756452560425},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6999845504760742},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6585013270378113},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.6197989583015442},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5291006565093994},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5282480120658875},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.49797511100769043},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.4817538261413574},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.47418007254600525},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.34353160858154297},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.340977281332016},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1762009859085083},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13803818821907043},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.0970914363861084}],"concepts":[{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.7654880881309509},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7533614039421082},{"id":"https://openalex.org/C2778140939","wikidata":"https://www.wikidata.org/wiki/Q3494197","display_name":"Space-division multiple access","level":3,"score":0.7152756452560425},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6999845504760742},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6585013270378113},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.6197989583015442},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5291006565093994},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5282480120658875},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.49797511100769043},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.4817538261413574},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.47418007254600525},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.34353160858154297},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.340977281332016},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1762009859085083},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13803818821907043},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0970914363861084},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"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/vetecs.2010.5493621","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2010.5493621","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE 71st Vehicular Technology Conference","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":16,"referenced_works":["https://openalex.org/W2019473268","https://openalex.org/W2096710051","https://openalex.org/W2113638573","https://openalex.org/W2118945493","https://openalex.org/W2121157816","https://openalex.org/W2124320977","https://openalex.org/W2128131274","https://openalex.org/W2136350494","https://openalex.org/W2141011626","https://openalex.org/W2142019271","https://openalex.org/W2160086277","https://openalex.org/W2168618889","https://openalex.org/W2169050252","https://openalex.org/W2798909945","https://openalex.org/W6683603696","https://openalex.org/W6750968397"],"related_works":["https://openalex.org/W2163799874","https://openalex.org/W2110234499","https://openalex.org/W4386050811","https://openalex.org/W2884849751","https://openalex.org/W2154212813","https://openalex.org/W4230103753","https://openalex.org/W1486522140","https://openalex.org/W1836907912","https://openalex.org/W3175192043","https://openalex.org/W2081315993"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"an":[5],"efficient":[6],"algorithm":[7,37,73,77,119],"to":[8,95,104],"jointly":[9],"estimate":[10],"the":[11,41,46,71,76,92,97,106,111,117],"directions":[12],"of":[13,40],"arrival":[14],"(DOAs)":[15],"and":[16,48,60,109],"carrier":[17],"frequency":[18,24],"offsets":[19],"(CFOs)":[20],"in":[21,50,55,70,79],"interleaved":[22],"orthogonal":[23],"division":[25,30],"multiple":[26,31],"access":[27,32],"/":[28],"space":[29],"(OFDMA/SDMA)":[33],"uplink":[34],"networks.":[35],"The":[36],"makes":[38],"use":[39],"signal":[42],"structure":[43],"by":[44],"estimating":[45],"CFOs":[47],"DOAs":[49],"a":[51,80],"hierarchical":[52],"tree":[53],"structure,":[54],"which":[56],"two":[57],"CFO":[58],"estimations":[59,94],"one":[61],"DOA":[62],"estimation":[63,107],"are":[64],"employed":[65],"alternatively.":[66],"One":[67],"special":[68],"feature":[69],"proposed":[72,118],"is":[74],"that":[75,116],"proceeds":[78],"coarse-fine":[81],"manner":[82],"with":[83,124],"temporal":[84],"filtering":[85],"or":[86],"spatial":[87],"beamforming":[88],"being":[89],"invoked":[90],"between":[91],"parameter":[93],"decompose":[96],"signals":[98],"progressively":[99],"into":[100],"subgroups":[101],"so":[102],"as":[103],"enhance":[105],"accuracy":[108],"lower":[110],"computational":[112],"overhead.":[113],"Simulations":[114],"show":[115],"can":[120],"provide":[121],"satisfactory":[122],"performance":[123],"increased":[125],"channel":[126],"capacity.":[127]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
