{"id":"https://openalex.org/W7127646456","doi":"https://doi.org/10.1109/ccnc65079.2026.11366333","title":"CsiFusionNet: CNN Transformer Fusion for Efficient CSI Feedback in FDD Massive MIMO","display_name":"CsiFusionNet: CNN Transformer Fusion for Efficient CSI Feedback in FDD Massive MIMO","publication_year":2026,"publication_date":"2026-01-09","ids":{"openalex":"https://openalex.org/W7127646456","doi":"https://doi.org/10.1109/ccnc65079.2026.11366333"},"language":null,"primary_location":{"id":"doi:10.1109/ccnc65079.2026.11366333","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccnc65079.2026.11366333","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd Consumer Communications & Networking Conference (CCNC)","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/A5103499344","display_name":"Se-Ho Huh","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sung-Uk Huh","raw_affiliation_strings":["Korea University,Department of Electrical and Electronic Engineering,Seoul,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea University,Department of Electrical and Electronic Engineering,Seoul,South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087836855","display_name":"Young\u2010Chai Ko","orcid":"https://orcid.org/0000-0003-1043-9028"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Young-Chai Ko","raw_affiliation_strings":["Korea University,Department of Electrical and Electronic Engineering,Seoul,South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea University,Department of Electrical and Electronic Engineering,Seoul,South Korea","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.7444000244140625,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.7444000244140625,"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/T12131","display_name":"Wireless Signal Modulation Classification","score":0.11580000072717667,"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":0.035999998450279236,"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/exploit","display_name":"Exploit","score":0.7211999893188477},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7059999704360962},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.5789999961853027},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5318999886512756},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5220000147819519},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5072000026702881},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.44179999828338623},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.39329999685287476}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8066999912261963},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.7211999893188477},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7059999704360962},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.5789999961853027},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5318999886512756},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5220000147819519},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5072000026702881},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.446399986743927},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.44179999828338623},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.39329999685287476},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3610000014305115},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.35519999265670776},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.2928999960422516},{"id":"https://openalex.org/C157899210","wikidata":"https://www.wikidata.org/wiki/Q1395022","display_name":"Convolutional code","level":3,"score":0.28600001335144043},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.28200000524520874},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.2705000042915344},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.2694999873638153},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26600000262260437},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.2621000111103058}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ccnc65079.2026.11366333","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccnc65079.2026.11366333","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd Consumer Communications & Networking Conference (CCNC)","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":15,"referenced_works":["https://openalex.org/W2072079297","https://openalex.org/W2099721949","https://openalex.org/W2115706991","https://openalex.org/W2963145597","https://openalex.org/W2963676935","https://openalex.org/W3003689553","https://openalex.org/W3045610411","https://openalex.org/W3170853162","https://openalex.org/W3214546377","https://openalex.org/W4210852766","https://openalex.org/W4312473063","https://openalex.org/W4385245566","https://openalex.org/W4388145575","https://openalex.org/W4399426016","https://openalex.org/W4402593053"],"related_works":[],"abstract_inverted_index":{"In":[0],"frequency-division":[1],"duplex":[2],"(FDD)":[3],"massive":[4],"multi-input":[5],"multi-output":[6],"(MIMO)":[7],"systems,":[8],"downlink":[9],"channel":[10,78],"state":[11],"information":[12],"(CSI)":[13],"feedback":[14,62],"from":[15],"user":[16],"equipment":[17],"(UE)":[18],"to":[19,72,114],"the":[20,87,99],"base":[21],"station":[22],"(BS)":[23],"incurs":[24],"significant":[25],"overhead.":[26],"Convolutional-based":[27],"models":[28,38,93],"are":[29],"well-suited":[30],"for":[31],"capturing":[32],"local":[33,75,90],"CSI":[34,61],"structures,":[35],"while":[36,86,117],"Transformer-based":[37],"specialize":[39],"in":[40],"global":[41,77,94],"representations;":[42],"however,":[43],"existing":[44,115],"approaches":[45],"typically":[46],"exploit":[47,74],"only":[48],"one":[49],"of":[50],"these":[51],"properties,":[52],"which":[53],"limits":[54],"reconstruction":[55],"performance.":[56],"We":[57],"propose":[58],"CsiFusionNet,":[59],"a":[60,69],"framework":[63],"that":[64,103],"integrates":[65],"convolutional":[66],"blocks":[67],"with":[68],"Transformer":[70],"decoder":[71,88],"jointly":[73],"and":[76,92],"features.":[79],"The":[80],"encoder":[81],"preserves":[82],"low":[83],"UE":[84],"complexity,":[85],"refines":[89],"details":[91],"dependencies.":[95],"Simulation":[96],"results":[97],"on":[98],"COST2100":[100],"dataset":[101],"show":[102],"CsiFusionNet":[104],"achieves":[105],"superior":[106],"normalized":[107],"mean":[108],"square":[109],"error":[110],"(NMSE)":[111],"performance":[112],"compared":[113],"approaches,":[116],"significantly":[118],"reducing":[119],"UE-side":[120],"computational":[121],"cost.":[122]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2026-02-06T00:00:00"}