{"id":"https://openalex.org/W3170956499","doi":"https://doi.org/10.1109/tccn.2021.3084409","title":"Downlink CSI Feedback Algorithm With Deep Transfer Learning for FDD Massive MIMO Systems","display_name":"Downlink CSI Feedback Algorithm With Deep Transfer Learning for FDD Massive MIMO Systems","publication_year":2021,"publication_date":"2021-05-27","ids":{"openalex":"https://openalex.org/W3170956499","doi":"https://doi.org/10.1109/tccn.2021.3084409","mag":"3170956499"},"language":"en","primary_location":{"id":"doi:10.1109/tccn.2021.3084409","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2021.3084409","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","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/A5082035207","display_name":"Jun Zeng","orcid":"https://orcid.org/0000-0001-7441-0406"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jun Zeng","raw_affiliation_strings":["College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-7441-0406","affiliations":[{"raw_affiliation_string":"College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052697795","display_name":"Jinlong Sun","orcid":"https://orcid.org/0000-0002-3373-2203"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinlong Sun","raw_affiliation_strings":["College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3373-2203","affiliations":[{"raw_affiliation_string":"College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027367677","display_name":"Guan Gui","orcid":"https://orcid.org/0000-0003-3888-2881"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guan Gui","raw_affiliation_strings":["College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-3888-2881","affiliations":[{"raw_affiliation_string":"College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031253024","display_name":"Bamidele Adebisi","orcid":"https://orcid.org/0000-0001-9071-9120"},"institutions":[{"id":"https://openalex.org/I11983389","display_name":"Manchester Metropolitan University","ror":"https://ror.org/02hstj355","country_code":"GB","type":"education","lineage":["https://openalex.org/I11983389"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Bamidele Adebisi","raw_affiliation_strings":["Department of Engineering, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, U.K"],"raw_orcid":"https://orcid.org/0000-0001-9071-9120","affiliations":[{"raw_affiliation_string":"Department of Engineering, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, U.K","institution_ids":["https://openalex.org/I11983389"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016337773","display_name":"Tomoaki Ohtsuki","orcid":null},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomoaki Ohtsuki","raw_affiliation_strings":["Department of Information and Computer Science, Keio University, Yokohama, Japan"],"raw_orcid":"https://orcid.org/0000-0003-3961-1426","affiliations":[{"raw_affiliation_string":"Department of Information and Computer Science, Keio University, Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026448728","display_name":"Haris Gacanin","orcid":"https://orcid.org/0000-0003-3168-8883"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Haris Gacanin","raw_affiliation_strings":["Faculty of Electrical Engineering and Information Technology, RWTH Aachen University, Aachen, Germany"],"raw_orcid":"https://orcid.org/0000-0003-3168-8883","affiliations":[{"raw_affiliation_string":"Faculty of Electrical Engineering and Information Technology, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087599025","display_name":"Hikmet Sari","orcid":"https://orcid.org/0000-0001-8114-6164"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hikmet Sari","raw_affiliation_strings":["College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5082035207"],"corresponding_institution_ids":["https://openalex.org/I41198531"],"apc_list":null,"apc_paid":null,"fwci":8.2548,"has_fulltext":false,"cited_by_count":75,"citation_normalized_percentile":{"value":0.97986394,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"7","issue":"4","first_page":"1253","last_page":"1265"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9986000061035156,"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":0.9986000061035156,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9969000220298767,"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/T10494","display_name":"Plant Virus Research Studies","score":0.9699000120162964,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8415868282318115},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7915441989898682},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7160751223564148},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7125582695007324},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5883203744888306},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.5239236950874329},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.48663219809532166},{"id":"https://openalex.org/keywords/transfer-of-learning","display_name":"Transfer of learning","score":0.4747622013092041},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4668724238872528},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.4410795271396637},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.43422627449035645},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.43266773223876953},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43045222759246826},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3527590036392212},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.344895601272583},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.33544397354125977},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16243425011634827},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07594069838523865},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06576049327850342}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8415868282318115},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7915441989898682},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7160751223564148},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7125582695007324},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5883203744888306},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.5239236950874329},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.48663219809532166},{"id":"https://openalex.org/C150899416","wikidata":"https://www.wikidata.org/wiki/Q1820378","display_name":"Transfer of learning","level":2,"score":0.4747622013092041},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4668724238872528},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.4410795271396637},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.43422627449035645},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43266773223876953},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43045222759246826},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3527590036392212},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.344895601272583},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.33544397354125977},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16243425011634827},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07594069838523865},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06576049327850342},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tccn.2021.3084409","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2021.3084409","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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 Cognitive Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:e-space.mmu.ac.uk:633750","is_oa":false,"landing_page_url":"https://orcid.org/0000-0001-7441-0406","pdf_url":null,"source":{"id":"https://openalex.org/S4306401617","display_name":"e-space (Manchester Metropolitan University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I11983389","host_organization_name":"Manchester Metropolitan University","host_organization_lineage":["https://openalex.org/I11983389"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2783099067","display_name":null,"funder_award_id":"KFKT-2020106","funder_id":"https://openalex.org/F4320335831","funder_display_name":"Key Laboratory of Universal Wireless Communications of Ministry of Education"},{"id":"https://openalex.org/G8731264669","display_name":null,"funder_award_id":"JP19H02142","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G8919277133","display_name":null,"funder_award_id":"61901228","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320335831","display_name":"Key Laboratory of Universal Wireless Communications of Ministry of Education","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1938636034","https://openalex.org/W1982696459","https://openalex.org/W1987053632","https://openalex.org/W2115403315","https://openalex.org/W2165698076","https://openalex.org/W2604763608","https://openalex.org/W2769052255","https://openalex.org/W2780484788","https://openalex.org/W2839844222","https://openalex.org/W2884534484","https://openalex.org/W2886124254","https://openalex.org/W2886374543","https://openalex.org/W2887280559","https://openalex.org/W2902897529","https://openalex.org/W2911910187","https://openalex.org/W2914338909","https://openalex.org/W2916238263","https://openalex.org/W2939586155","https://openalex.org/W2946267042","https://openalex.org/W2953889685","https://openalex.org/W2954248373","https://openalex.org/W2963114949","https://openalex.org/W2963145597","https://openalex.org/W2968019094","https://openalex.org/W2982286025","https://openalex.org/W2986739745","https://openalex.org/W2993809815","https://openalex.org/W2993827264","https://openalex.org/W2997299357","https://openalex.org/W2998795925","https://openalex.org/W3006182894","https://openalex.org/W3011913638","https://openalex.org/W3016146955","https://openalex.org/W3028834351","https://openalex.org/W3037818400","https://openalex.org/W3041470537","https://openalex.org/W3081455451","https://openalex.org/W3088383832","https://openalex.org/W3106015735","https://openalex.org/W3126373016","https://openalex.org/W3134410998","https://openalex.org/W3198086477","https://openalex.org/W6736057607","https://openalex.org/W6754002923"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2904599916","https://openalex.org/W2097713053","https://openalex.org/W2909457694","https://openalex.org/W2103590590","https://openalex.org/W2982570613"],"abstract_inverted_index":{"In":[0,43,70],"this":[1],"paper,":[2],"a":[3,64,86,104,111,117,139,161],"channel":[4,52,106],"state":[5],"information":[6],"(CSI)":[7],"feedback":[8,31],"method":[9,20,90,129,172],"is":[10,91,130,160],"proposed":[11,19,92,152],"based":[12],"on":[13,77],"deep":[14,112],"transfer":[15],"learning":[16],"(DTL).":[17],"The":[18],"addresses":[21],"the":[22,47,60,72,95,124,127,135,146,151,155,167,170,179],"problem":[23,96],"of":[24,28,49,68,74,101,103,126,134,142,150,178],"high":[25],"training":[26,56,78],"cost":[27,57,79],"downlink":[29],"CSI":[30],"network":[32,114],"in":[33,176],"frequency":[34],"division":[35],"duplexing":[36],"(FDD)":[37],"massive":[38],"multiple-input":[39],"multiple-output":[40],"(MIMO)":[41],"systems.":[42],"particular,":[44],"we":[45],"obtain":[46],"models":[48],"different":[50,75],"wireless":[51,105],"environments":[53],"at":[54],"low":[55],"by":[58],"fine-tuning":[59],"pre-trained":[61,118],"model":[62,81],"with":[63,98,132,138,166],"relatively":[65],"small":[66],"number":[67,100,141],"samples.":[69],"addition,":[71],"effects":[73],"layers":[76],"and":[80,148],"performance":[82,125,163,175],"are":[83],"discussed.":[84],"Furthermore,":[85],"model-agnostic":[87],"meta-learning":[88],"(MAML)-based":[89],"to":[93,109],"solve":[94],"associated":[97],"large":[99,140],"samples":[102],"environment":[107],"required":[108],"train":[110],"neural":[113],"(DNN)":[115],"as":[116],"model.":[119],"Our":[120],"results":[121],"show":[122],"that":[123,133],"DTL-based":[128,168],"comparable":[131],"DNN":[136],"trained":[137],"samples,":[143],"which":[144],"demonstrates":[145],"effectiveness":[147],"superiority":[149],"method.":[153],"At":[154],"same":[156],"time,":[157],"although":[158],"there":[159],"certain":[162],"loss":[164],"compared":[165],"method,":[169],"MAML-based":[171],"shows":[173],"good":[174],"terms":[177],"normalized":[180],"mean":[181],"square":[182],"error":[183],"(NMSE).":[184]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":14},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":20},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":7}],"updated_date":"2026-05-22T09:01:20.584952","created_date":"2025-10-10T00:00:00"}
