{"id":"https://openalex.org/W4406354818","doi":"https://doi.org/10.1109/wcsp62071.2024.10826990","title":"Channel-Estimation-Free Gradient Aggregation for OFDM Over-the-Air Federated Learning","display_name":"Channel-Estimation-Free Gradient Aggregation for OFDM Over-the-Air Federated Learning","publication_year":2024,"publication_date":"2024-10-24","ids":{"openalex":"https://openalex.org/W4406354818","doi":"https://doi.org/10.1109/wcsp62071.2024.10826990"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp62071.2024.10826990","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp62071.2024.10826990","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 16th International Conference on Wireless Communications and Signal Processing (WCSP)","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/A5017724112","display_name":"Zihang Zeng","orcid":"https://orcid.org/0000-0003-1900-8478"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zihang Zeng","raw_affiliation_strings":["Glasgow College, Uni. of Electronic Sci. and Tech. of China,Chengdu,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Glasgow College, Uni. of Electronic Sci. and Tech. of China,Chengdu,China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037289699","display_name":"Chenxi Zhong","orcid":"https://orcid.org/0000-0002-2597-9206"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenxi Zhong","raw_affiliation_strings":["Uni. of Electronic Sci. and Tech. of China,The National Key Lab. on Wireless Commun.,Chengdu,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uni. of Electronic Sci. and Tech. of China,The National Key Lab. on Wireless Commun.,Chengdu,China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063946480","display_name":"Xiaojun Yuan","orcid":"https://orcid.org/0000-0002-0433-6535"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojun Yuan","raw_affiliation_strings":["Uni. of Electronic Sci. and Tech. of China,The National Key Lab. on Wireless Commun.,Chengdu,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uni. of Electronic Sci. and Tech. of China,The National Key Lab. on Wireless Commun.,Chengdu,China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28130999,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"383","last_page":"388"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9835000038146973,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9835000038146973,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9789999723434448,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9761000275611877,"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":0.7540829181671143},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6238973140716553},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6016269326210022},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4728822112083435},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.33604544401168823},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.33402830362319946},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33330291509628296},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1140250563621521}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7540829181671143},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6238973140716553},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6016269326210022},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4728822112083435},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.33604544401168823},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.33402830362319946},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33330291509628296},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1140250563621521},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp62071.2024.10826990","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp62071.2024.10826990","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 16th International Conference on Wireless Communications and Signal Processing (WCSP)","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":14,"referenced_works":["https://openalex.org/W2094655360","https://openalex.org/W2981138228","https://openalex.org/W2999074226","https://openalex.org/W3006919779","https://openalex.org/W3047532379","https://openalex.org/W3123490382","https://openalex.org/W3139262588","https://openalex.org/W3167689670","https://openalex.org/W3192746337","https://openalex.org/W3214019597","https://openalex.org/W4221158001","https://openalex.org/W4293195474","https://openalex.org/W4312592911","https://openalex.org/W4393241278"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W4391741972","https://openalex.org/W1986382998","https://openalex.org/W2517776947","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W4243590696"],"abstract_inverted_index":{"We":[0,81],"investigate":[1],"gradient":[2,44],"aggregation":[3,45,84,93],"in":[4],"over-the-air":[5],"federated":[6],"learning":[7],"(OA-FL)":[8],"with":[9],"orthogonal":[10],"frequency":[11],"division":[12],"multiplexing":[13],"(OFDM),":[14],"where":[15],"the":[16,26,31,36,53,57,63,75,83,87,92,101,104],"parameter":[17],"server":[18],"(PS)":[19],"employs":[20],"a":[21,40],"combining":[22,54,67],"vector":[23,55],"to":[24,65],"estimate":[25],"aggregated":[27],"gradient.":[28],"By":[29],"lever-aging":[30],"block-wise":[32],"linear":[33],"property":[34],"between":[35],"subcarriers,":[37],"we":[38],"propose":[39],"novel":[41],"channel-estimation-free":[42],"(CE-Free)":[43],"scheme":[46,89],"for":[47,69],"OFDM":[48],"OA-FL.":[49],"In":[50],"this":[51],"scheme,":[52],"at":[56],"PS":[58],"is":[59],"linearly":[60],"approximated,":[61],"avoiding":[62],"requirement":[64],"train":[66],"vectors":[68],"subcarriersindivid-ually,":[70],"and":[71],"thereby":[72],"significantly":[73],"reducing":[74],"required":[76],"number":[77],"of":[78,86,103],"training":[79],"symbols.":[80],"analyze":[82],"performance":[85],"proposed":[88,105],"by":[90],"characterizing":[91],"mean":[94],"square":[95],"error":[96],"(MSE).":[97],"Numerical":[98],"results":[99],"illustrate":[100],"effectiveness":[102],"scheme.":[106]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}