{"id":"https://openalex.org/W4410114752","doi":"https://doi.org/10.1109/ojcoms.2025.3567495","title":"Large Sequence Model for MIMO Equalization in Fully Decoupled Radio Access Network","display_name":"Large Sequence Model for MIMO Equalization in Fully Decoupled Radio Access Network","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4410114752","doi":"https://doi.org/10.1109/ojcoms.2025.3567495"},"language":"en","primary_location":{"id":"doi:10.1109/ojcoms.2025.3567495","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3567495","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/ojcoms.2025.3567495","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061464627","display_name":"Kai Yu","orcid":"https://orcid.org/0000-0002-8118-7633"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kai Yu","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043286765","display_name":"Haibo Zhou","orcid":"https://orcid.org/0000-0002-6549-8917"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haibo Zhou","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073847062","display_name":"Yunting Xu","orcid":"https://orcid.org/0000-0001-6341-4698"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunting Xu","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077498058","display_name":"Zongxi Liu","orcid":"https://orcid.org/0009-0000-7650-9215"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zongxi Liu","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068782412","display_name":"Hongyang Du","orcid":"https://orcid.org/0000-0002-8220-6525"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hongyang Du","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, SAR, China","Department of Electrical and Electronic Engineering, University of Hong Kong, Pok Fu Lam, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Pok Fu Lam, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100773343","display_name":"Xuemin Shen","orcid":"https://orcid.org/0000-0002-4140-287X"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xuemin Shen","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, Canada","Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, Canada","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, Canada","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5061464627"],"corresponding_institution_ids":["https://openalex.org/I881766915"],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":2.092,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.87033748,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"6","issue":null,"first_page":"4491","last_page":"4504"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9965000152587891,"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":0.9965000152587891,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9549000263214111,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9351999759674072,"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/mimo","display_name":"MIMO","score":0.5867159366607666},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.5797870755195618},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.5232823491096497},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4995453357696533},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42320847511291504},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.11661648750305176},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.08994022011756897}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5867159366607666},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.5797870755195618},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.5232823491096497},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4995453357696533},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42320847511291504},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.11661648750305176},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.08994022011756897},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ojcoms.2025.3567495","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3567495","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:535f6ab7f3004b4ca99788a25c3cc4fb","is_oa":true,"landing_page_url":"https://doaj.org/article/535f6ab7f3004b4ca99788a25c3cc4fb","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Open Journal of the Communications Society, Vol 6, Pp 4491-4504 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcoms.2025.3567495","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3567495","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1227173260","display_name":null,"funder_award_id":"BK20220067","funder_id":"https://openalex.org/F4320336608","funder_display_name":"Natural Science Foundation of Jiangsu Province for Distinguished Young Scholars"},{"id":"https://openalex.org/G6351160237","display_name":null,"funder_award_id":"62271244","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/F4320336608","display_name":"Natural Science Foundation of Jiangsu Province for Distinguished Young Scholars","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W2118590811","https://openalex.org/W2593893328","https://openalex.org/W2963116507","https://openalex.org/W2964084137","https://openalex.org/W2966223819","https://openalex.org/W2974046131","https://openalex.org/W3011076322","https://openalex.org/W3015844993","https://openalex.org/W3091852078","https://openalex.org/W3094341901","https://openalex.org/W3198935554","https://openalex.org/W3203664723","https://openalex.org/W4206681959","https://openalex.org/W4225782450","https://openalex.org/W4285158013","https://openalex.org/W4285224261","https://openalex.org/W4291722322","https://openalex.org/W4300788171","https://openalex.org/W4312267651","https://openalex.org/W4312525388","https://openalex.org/W4312559205","https://openalex.org/W4319459033","https://openalex.org/W4320013813","https://openalex.org/W4375928672","https://openalex.org/W4379619469","https://openalex.org/W4379929377","https://openalex.org/W4385245566","https://openalex.org/W4388624634","https://openalex.org/W4389382558","https://openalex.org/W4392309295","https://openalex.org/W4399146454","https://openalex.org/W4400266743","https://openalex.org/W4400644893","https://openalex.org/W4401509408","https://openalex.org/W4403126407","https://openalex.org/W4403182267","https://openalex.org/W4403183086","https://openalex.org/W4403183113","https://openalex.org/W4404627781","https://openalex.org/W4404782964","https://openalex.org/W4406610873","https://openalex.org/W4407128635","https://openalex.org/W4410358938","https://openalex.org/W6736057607","https://openalex.org/W6776331362","https://openalex.org/W6858324970","https://openalex.org/W6869832944","https://openalex.org/W6870000891","https://openalex.org/W6873382182","https://openalex.org/W6874423036","https://openalex.org/W6883149989"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W1868213250"],"abstract_inverted_index":{"Fully":[0],"decoupled":[1],"RAN":[2],"(FD-RAN)":[3],"aims":[4],"to":[5,40,72,94,113,125,133,152,197],"improve":[6],"network":[7,47],"performance":[8],"by":[9,77,83,166],"decoupling":[10],"the":[11,31,78,99,160,168,204,209],"hardware":[12],"of":[13,33,163],"base":[14],"stations":[15],"(BSs)":[16],"and":[17,192,219],"enabling":[18],"flexible":[19],"cooperation,":[20],"making":[21],"it":[22],"a":[23,134,138],"promising":[24],"architecture":[25],"for":[26,221],"next-generation":[27],"wireless":[28,74,226],"networks.":[29],"With":[30],"emergence":[32],"artificial":[34],"intelligence,":[35],"FD-RAN":[36,100],"provides":[37],"an":[38,198],"opportunity":[39],"integrate":[41],"physical-layer":[42],"signal":[43],"processing":[44],"with":[45],"neural":[46],"models.":[48],"However,":[49],"conventional":[50],"deep":[51],"learning-based":[52],"multi-input":[53],"multi-output":[54],"(MIMO)":[55],"equalization":[56,97],"methods":[57],"often":[58],"rely":[59],"on":[60],"extensive":[61],"offline":[62],"training":[63],"under":[64,190],"fixed":[65],"channel":[66,154],"conditions,":[67],"resulting":[68],"in":[69,87,98,185,223],"limited":[70],"generalization":[71,80,161],"unseen":[73],"environments.":[75],"Motivated":[76],"strong":[79],"ability":[81],"demonstrated":[82],"in-context":[84],"learning":[85],"(ICL)":[86],"natural":[88],"language":[89],"processing,":[90],"we":[91],"extend":[92],"ICL":[93],"cooperative":[95],"MIMO":[96],"framework.":[101],"In":[102],"this":[103],"setup,":[104],"geographical":[105],"location":[106],"information":[107,112],"is":[108],"incorporated":[109],"as":[110,203],"side":[111],"enhance":[114],"inference":[115],"accuracy.":[116],"Lightweight":[117],"Transformer":[118],"encoders":[119],"are":[120,130,149],"deployed":[121],"at":[122],"resource-constrained":[123],"BSs":[124],"compress":[126],"received":[127],"signals,":[128],"which":[129],"then":[131],"forwarded":[132],"central":[135],"unit":[136],"where":[137],"large":[139,164],"decoder-only":[140],"Transformer,":[141],"adapted":[142],"from":[143],"GPT-2,":[144],"performs":[145],"equalization.":[146],"The":[147],"components":[148],"jointly":[150],"trained":[151],"capture":[153],"characteristics":[155],"effectively.":[156],"We":[157],"further":[158],"evaluate":[159],"capability":[162],"models":[165],"comparing":[167],"proposed":[169],"ICL-based":[170,210],"equalizer":[171,211],"against":[172],"meta-learning":[173,214],"baselines.":[174],"Experimental":[175],"results":[176],"show":[177],"that":[178],"our":[179],"method":[180],"achieves":[181],"over":[182],"29%":[183],"improvement":[184],"normalized":[186],"mean":[187],"square":[188],"error":[189],"8-bit":[191],"12-bit":[193],"fronthaul":[194],"constraints":[195],"compared":[196],"unquantized":[199],"LMMSE":[200],"baseline.":[201],"Moreover,":[202],"pretraining":[205],"dataset":[206],"size":[207],"increases,":[208],"consistently":[212],"outperforms":[213],"approaches,":[215],"underscoring":[216],"its":[217],"scalability":[218],"potential":[220],"deployment":[222],"large-scale,":[224],"data-driven":[225],"systems.":[227]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}