{"id":"https://openalex.org/W4411799409","doi":"https://doi.org/10.1109/lcomm.2025.3584405","title":"Carrier Frequency Offset Estimation Based on Signal Denoising and Dual-Channel Convolutional Attention Network Under Low Signal-to-Noise Ratio","display_name":"Carrier Frequency Offset Estimation Based on Signal Denoising and Dual-Channel Convolutional Attention Network Under Low Signal-to-Noise Ratio","publication_year":2025,"publication_date":"2025-06-30","ids":{"openalex":"https://openalex.org/W4411799409","doi":"https://doi.org/10.1109/lcomm.2025.3584405"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2025.3584405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3584405","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-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/A5100766294","display_name":"Yunwei Zhang","orcid":"https://orcid.org/0000-0003-1412-3282"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]},{"id":"https://openalex.org/I64852412","display_name":"Sichuan University of Science and Engineering","ror":"https://ror.org/053fzma23","country_code":"CN","type":"education","lineage":["https://openalex.org/I64852412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunwei Zhang","raw_affiliation_strings":["College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, China","College of Electronics and Information Engineering, Sichuan University, Sichuan, China"],"raw_orcid":"https://orcid.org/0000-0003-1412-3282","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"College of Electronics and Information Engineering, Sichuan University, Sichuan, China","institution_ids":["https://openalex.org/I64852412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026508136","display_name":"Lingxin Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210115684","display_name":"Gezhouba Explosive (China)","ror":"https://ror.org/02bsc8781","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210115684"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingxin Zeng","raw_affiliation_strings":["China Satellite Network Exploration Company Ltd., Chongqing, China","China Satellite Network Exploration Co. Ltd, Sichuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Satellite Network Exploration Company Ltd., Chongqing, China","institution_ids":["https://openalex.org/I4210115684"]},{"raw_affiliation_string":"China Satellite Network Exploration Co. Ltd, Sichuan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100455445","display_name":"Xiaohong Wang","orcid":"https://orcid.org/0000-0002-1540-6674"},"institutions":[{"id":"https://openalex.org/I4210115684","display_name":"Gezhouba Explosive (China)","ror":"https://ror.org/02bsc8781","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210115684"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohong Wang","raw_affiliation_strings":["China Satellite Network Exploration Company Ltd., Chongqing, China","China Satellite Network Exploration Co. Ltd, Sichuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Satellite Network Exploration Company Ltd., Chongqing, China","institution_ids":["https://openalex.org/I4210115684"]},{"raw_affiliation_string":"China Satellite Network Exploration Co. Ltd, Sichuan, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101709746","display_name":"Gao Yong","orcid":"https://orcid.org/0000-0002-7116-7356"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]},{"id":"https://openalex.org/I64852412","display_name":"Sichuan University of Science and Engineering","ror":"https://ror.org/053fzma23","country_code":"CN","type":"education","lineage":["https://openalex.org/I64852412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Gao","raw_affiliation_strings":["College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, China","College of Electronics and Information Engineering, Sichuan University, Sichuan, China"],"raw_orcid":"https://orcid.org/0000-0002-7116-7356","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"College of Electronics and Information Engineering, Sichuan University, Sichuan, China","institution_ids":["https://openalex.org/I64852412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.15090531,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"9","first_page":"2033","last_page":"2037"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.901199996471405,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.901199996471405,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/computer-science","display_name":"Computer science","score":0.6769148707389832},{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.5573818683624268},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5424327254295349},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.5052905678749084},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.4979681968688965},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4911150634288788},{"id":"https://openalex.org/keywords/carrier-to-noise-ratio","display_name":"Carrier-to-noise ratio","score":0.4875323474407196},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.46466338634490967},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.46401914954185486},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.46334773302078247},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3789372742176056},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.34923166036605835},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.3164352774620056},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2213434875011444},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0922490656375885}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6769148707389832},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.5573818683624268},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5424327254295349},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5052905678749084},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.4979681968688965},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4911150634288788},{"id":"https://openalex.org/C43658927","wikidata":"https://www.wikidata.org/wiki/Q5046339","display_name":"Carrier-to-noise ratio","level":3,"score":0.4875323474407196},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.46466338634490967},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.46401914954185486},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.46334773302078247},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3789372742176056},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34923166036605835},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3164352774620056},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2213434875011444},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0922490656375885},{"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/lcomm.2025.3584405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3584405","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4000000059604645,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G3909794380","display_name":null,"funder_award_id":"IFN202403","funder_id":"https://openalex.org/F4320328373","funder_display_name":"National Key Laboratory Foundation of China"},{"id":"https://openalex.org/G6727606732","display_name":null,"funder_award_id":"CSTB2024NSCQ-LZX0156","funder_id":"https://openalex.org/F4320323172","funder_display_name":"Natural Science Foundation of Chongqing"}],"funders":[{"id":"https://openalex.org/F4320323172","display_name":"Natural Science Foundation of Chongqing","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320328373","display_name":"National Key Laboratory Foundation of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W3019546206","https://openalex.org/W3213213047","https://openalex.org/W4220825335","https://openalex.org/W4281490773","https://openalex.org/W4288056236","https://openalex.org/W4289108963","https://openalex.org/W4312765901","https://openalex.org/W4312889651","https://openalex.org/W4362594556","https://openalex.org/W4366818728","https://openalex.org/W4367032225","https://openalex.org/W4379383619","https://openalex.org/W4383503785","https://openalex.org/W4391305347","https://openalex.org/W4393930552","https://openalex.org/W4394994331","https://openalex.org/W4399282562","https://openalex.org/W4400232918"],"related_works":["https://openalex.org/W2163799874","https://openalex.org/W2110234499","https://openalex.org/W2068304403","https://openalex.org/W2371617615","https://openalex.org/W2540911486","https://openalex.org/W3080284048","https://openalex.org/W2010378487","https://openalex.org/W3147831239","https://openalex.org/W2022242418","https://openalex.org/W3175192043"],"abstract_inverted_index":{"In":[0,30,108],"non-cooperative":[1],"wireless":[2],"communications,":[3],"carrier":[4,37],"frequency":[5,38],"offset":[6,39],"(CFO)":[7],"arises":[8],"from":[9,86],"oscillator":[10],"mismatch,":[11],"doppler":[12],"effect":[13],"and":[14,25,53,120,135],"time-varying":[15],"channels.":[16],"Along":[17],"with":[18,75,124],"noise,":[19],"they":[20],"can":[21,82],"degrade":[22],"signal":[23,28],"quality":[24],"hampers":[26],"subsequent":[27],"processing.":[29],"this":[31],"letter,":[32],"we":[33,63],"propose":[34],"a":[35,65],"robust":[36],"estimation":[40,127],"(CFOE)":[41],"method":[42],"under":[43],"low":[44],"signal-to-noise":[45],"ratio":[46],"(SNR)":[47],"by":[48],"leveraging":[49],"hybrid":[50,66],"denoising":[51,67],"scheme":[52,68],"dual-channel":[54],"convolutional":[55],"attention":[56],"network":[57],"(DCA).":[58],"To":[59],"enhance":[60],"noise":[61],"robustness,":[62],"develop":[64],"combining":[69],"adaptive":[70],"dual-tree":[71],"complex":[72],"wavelet":[73],"transform":[74],"phase-space":[76],"reconstruction.":[77],"The":[78],"designed":[79],"DCA":[80],"model":[81],"extract":[83],"deep":[84],"features":[85,89],"the":[87,91,110,129,133,138],"multi-domain":[88],"of":[90,137],"denoised":[92],"signal.":[93],"It":[94],"employs":[95],"an":[96],"attention-based":[97],"parallel":[98],"dual-pooling":[99],"mechanism":[100],"to":[101,116],"preserve":[102],"local-global":[103],"feature":[104],"correlation":[105],"during":[106],"downsampling.":[107],"addition,":[109],"composite":[111],"loss":[112],"function":[113],"is":[114],"used":[115],"improve":[117],"generalization":[118],"ability":[119],"reduce":[121],"overfitting.":[122],"Compared":[123],"existing":[125],"blind":[126],"methods,":[128],"experimental":[130],"results":[131],"demonstrate":[132],"effectiveness":[134],"robustness":[136],"proposed":[139],"CFOE":[140],"method.":[141]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}