{"id":"https://openalex.org/W4402673733","doi":"https://doi.org/10.1109/tvt.2024.3465558","title":"Over-the-Air Federated Learning Under Time-Varying Wireless Channels Using OTFS","display_name":"Over-the-Air Federated Learning Under Time-Varying Wireless Channels Using OTFS","publication_year":2024,"publication_date":"2024-09-20","ids":{"openalex":"https://openalex.org/W4402673733","doi":"https://doi.org/10.1109/tvt.2024.3465558"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2024.3465558","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2024.3465558","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Vehicular Technology","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/A5011864788","display_name":"R. T. Rakesh","orcid":null},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Rakesh R. T.","raw_affiliation_strings":["Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kozhikode, India","Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kozhikode, Kerala, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kozhikode, India","institution_ids":["https://openalex.org/I114845381"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, National Institute of Technology Calicut, Kozhikode, Kerala, India","institution_ids":["https://openalex.org/I114845381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5011864788"],"corresponding_institution_ids":["https://openalex.org/I114845381"],"apc_list":null,"apc_paid":null,"fwci":0.7274,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.76254366,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"74","issue":"1","first_page":"1782","last_page":"1787"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9879000186920166,"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/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9879000186920166,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9731000065803528,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.972100019454956,"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/wireless","display_name":"Wireless","score":0.6192531585693359},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5377203822135925},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36855483055114746},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2024824619293213}],"concepts":[{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6192531585693359},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5377203822135925},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36855483055114746},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2024824619293213}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2024.3465558","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2024.3465558","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.5699999928474426,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G8479169836","display_name":null,"funder_award_id":"SR/FST/ET-I/2017/68","funder_id":"https://openalex.org/F4320320719","funder_display_name":"Department of Science and Technology, Ministry of Science and Technology, India"}],"funders":[{"id":"https://openalex.org/F4320320719","display_name":"Department of Science and Technology, Ministry of Science and Technology, India","ror":"https://ror.org/0101xrq71"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2085405697","https://openalex.org/W2140227342","https://openalex.org/W2165723962","https://openalex.org/W2535838896","https://openalex.org/W2604992528","https://openalex.org/W2755207117","https://openalex.org/W2888002205","https://openalex.org/W2962951066","https://openalex.org/W2999074226","https://openalex.org/W3088234149","https://openalex.org/W3099350037","https://openalex.org/W3183645631","https://openalex.org/W3214083506","https://openalex.org/W4281638644","https://openalex.org/W4285119871","https://openalex.org/W4288388701","https://openalex.org/W4319992745","https://openalex.org/W6748268494"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W2382290278","https://openalex.org/W4395014643"],"abstract_inverted_index":{"Due":[0],"to":[1,34,40,85,89,155,160],"increased":[2],"scalability":[3],"and":[4,135,175],"enhanced":[5],"data":[6],"privacy,":[7],"federated":[8],"learning":[9,184],"(FL)":[10],"techniques":[11],"become":[12],"popular":[13],"among":[14],"the":[15,41,72,121,138,141,167,179],"research":[16],"community.":[17],"Specifically,":[18],"FL":[19,56,64,142],"over":[20,65],"wireless":[21,45,61,67,91],"networks":[22],"finds":[23],"a":[24,99,171],"broad":[25],"spectrum":[26],"of":[27,119,128,140],"applications.":[28],"However,":[29],"they":[30],"are":[31],"often":[32],"difficult":[33],"realize":[35],"in":[36,124],"practice":[37],"primarily":[38],"due":[39,159],"challenges":[42],"posed":[43],"by":[44],"channels.":[46,62,92],"In":[47],"this":[48],"paper,":[49],"we":[50,97,145],"propose":[51],"an":[52,104,147],"over-the-air":[53],"(OTA)":[54],"computation-based":[55],"scheme":[57,74,154,169],"suitable":[58],"for":[59,109],"time-varying":[60,66,90],"An":[63],"channel":[68,115],"is":[69,75],"challenging,":[70],"therefore,":[71],"proposed":[73,168],"designed":[76],"based":[77,151,183],"on":[78],"orthogonal":[79,180],"time":[80],"frequency":[81],"space":[82],"(OTFS)":[83],"modulation":[84],"make":[86],"it":[87],"resilient":[88],"To":[93],"perform":[94],"OTA":[95],"computation,":[96],"develop":[98,146],"novel":[100],"precoding":[101,113],"technique":[102],"under":[103],"optimal":[105],"transmit":[106],"power":[107],"allocation":[108],"each":[110],"user.":[111],"Since":[112],"requires":[114],"state":[116],"information":[117],"(CSI)":[118],"all":[120],"devices":[122],"involved":[123],"FL,":[125],"frequent":[126],"exchange":[127],"CSI":[129,152,161],"may":[130],"increase":[131],"control":[132,157],"overhead":[133,158],"significantly":[134],"eventually":[136],"affect":[137],"performance":[139],"scheme.":[143],"Therefore,":[144],"extended":[148],"Kalman":[149],"filter":[150],"estimation":[153],"reduce":[156],"exchange.":[162],"Numerical":[163],"simulations":[164],"reveal":[165],"that":[166],"has":[170],"better":[172],"convergence":[173],"rate":[174],"prediction":[176],"accuracy":[177],"than":[178],"frequency-division":[181],"multiplexing":[182],"schemes.":[185]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2025-12-21T23:12:01.093139","created_date":"2025-10-10T00:00:00"}