{"id":"https://openalex.org/W4416177754","doi":"https://doi.org/10.1109/twc.2025.3629739","title":"Accelerated LDM-Enabled Digital Twin of Channel for Massive MIMO Statistical CSI Generation","display_name":"Accelerated LDM-Enabled Digital Twin of Channel for Massive MIMO Statistical CSI Generation","publication_year":2025,"publication_date":"2025-11-13","ids":{"openalex":"https://openalex.org/W4416177754","doi":"https://doi.org/10.1109/twc.2025.3629739"},"language":null,"primary_location":{"id":"doi:10.1109/twc.2025.3629739","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3629739","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","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":null,"display_name":"Xu Dong","orcid":"https://orcid.org/0009-0001-1420-8596"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu Dong","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0001-1420-8596","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054179930","display_name":"Xinrui Gong","orcid":"https://orcid.org/0009-0001-1876-6632"},"institutions":[{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinrui Gong","raw_affiliation_strings":["Purple Mountain Laboratories, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054545293","display_name":"An-An Lu","orcid":"https://orcid.org/0000-0003-0193-6372"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"An-An Lu","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-0193-6372","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050692023","display_name":"Xiqi Gao","orcid":"https://orcid.org/0000-0001-9107-6593"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiqi Gao","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-9107-6593","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065367615","display_name":"Xiang\u2010Gen Xia","orcid":"https://orcid.org/0000-0002-5599-7683"},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiang-Gen Xia","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Delaware, Newark, DE, USA"],"raw_orcid":"https://orcid.org/0000-0002-5599-7683","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Delaware, Newark, DE, USA","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082336235","display_name":"Yong Zeng","orcid":"https://orcid.org/0000-0002-3670-0434"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Zeng","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3670-0434","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100779393","display_name":"Cheng\u2010Xiang Wang","orcid":"https://orcid.org/0000-0002-9729-9592"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng-Xiang Wang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-9729-9592","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.20893677,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"7148","last_page":"7163"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.31200000643730164,"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":0.31200000643730164,"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":0.17560000717639923,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.10279999673366547,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/scsi","display_name":"SCSI","score":0.7398999929428101},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.585099995136261},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5701000094413757},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5393999814987183},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4837000072002411},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.43459999561309814},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.42260000109672546},{"id":"https://openalex.org/keywords/statistical-model","display_name":"Statistical model","score":0.3707999885082245}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8575000166893005},{"id":"https://openalex.org/C2781430025","wikidata":"https://www.wikidata.org/wiki/Q220868","display_name":"SCSI","level":3,"score":0.7398999929428101},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.585099995136261},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5701000094413757},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5393999814987183},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4837000072002411},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.43459999561309814},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.42260000109672546},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3968000113964081},{"id":"https://openalex.org/C114289077","wikidata":"https://www.wikidata.org/wiki/Q3284399","display_name":"Statistical model","level":2,"score":0.3707999885082245},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3614000082015991},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.3614000082015991},{"id":"https://openalex.org/C2777076873","wikidata":"https://www.wikidata.org/wiki/Q2291875","display_name":"Virtual channel","level":3,"score":0.35690000653266907},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.336899995803833},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3215000033378601},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.3124000132083893},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.3061999976634979},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.301800012588501},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.27639999985694885},{"id":"https://openalex.org/C520681616","wikidata":"https://www.wikidata.org/wiki/Q202255","display_name":"Digital television","level":2,"score":0.27549999952316284},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.2676999866962433},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.26260000467300415},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2531000077724457}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3629739","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3629739","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1512705587","display_name":null,"funder_award_id":"2025T180949","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G194091806","display_name":null,"funder_award_id":"62394290","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4225146628","display_name":null,"funder_award_id":"62394291","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G785863559","display_name":null,"funder_award_id":"2242022k60007","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8065795853","display_name":null,"funder_award_id":"62394294","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8514764462","display_name":null,"funder_award_id":"62371125","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/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W2094655360","https://openalex.org/W2119787584","https://openalex.org/W2164514900","https://openalex.org/W2263894897","https://openalex.org/W2971911836","https://openalex.org/W3127566743","https://openalex.org/W3134164132","https://openalex.org/W3155072588","https://openalex.org/W3155535021","https://openalex.org/W3163246710","https://openalex.org/W4226006816","https://openalex.org/W4312384574","https://openalex.org/W4312667604","https://openalex.org/W4312802906","https://openalex.org/W4312933868","https://openalex.org/W4313151519","https://openalex.org/W4317794956","https://openalex.org/W4321636688","https://openalex.org/W4360884927","https://openalex.org/W4379803608","https://openalex.org/W4381785340","https://openalex.org/W4386124425","https://openalex.org/W4386472847","https://openalex.org/W4387717798","https://openalex.org/W4387885603","https://openalex.org/W4388579657","https://openalex.org/W4391697040","https://openalex.org/W4400021374","https://openalex.org/W4400276490","https://openalex.org/W4400943840","https://openalex.org/W4406138486","https://openalex.org/W4407129079","https://openalex.org/W4407948835","https://openalex.org/W4408859359","https://openalex.org/W4410229551"],"related_works":[],"abstract_inverted_index":{"With":[0],"advancements":[1],"in":[2,55,129],"wireless":[3],"communication":[4,16],"and":[5,15,40,52,90],"localization":[6],"technologies,":[7],"cellular":[8],"networks":[9],"are":[10,47],"evolving":[11],"towards":[12],"integrated":[13],"sensing":[14],"(ISAC)":[17],"capabilities.":[18],"To":[19,78],"address":[20],"the":[21,28,56,85,111,123,133,148],"challenges":[22],"of":[23,31,36,58],"sensing-assisted":[24],"communication,":[25],"we":[26,66,83],"introduce":[27],"digital":[29,59],"twin":[30,60],"channel":[32,43],"(DToC).":[33],"Specifically,":[34],"locations":[35],"user":[37],"terminals":[38],"(UTs)":[39],"their":[41],"statistical":[42],"state":[44],"information":[45],"(sCSI)":[46],"treated":[48],"as":[49,74],"physical":[50],"objects":[51],"virtual":[53],"counterparts":[54],"concept":[57],"(DT),":[61],"respectively.":[62],"In":[63],"this":[64],"work,":[65],"establish":[67],"a":[68,75],"probabilistic":[69],"model":[70,88,96],"that":[71,122,147],"characterizes":[72],"sCSI":[73,81,154],"location-conditioned":[76],"distribution.":[77],"enable":[79],"precise":[80],"generation,":[82],"enhance":[84],"latent":[86,94],"diffusion":[87,95],"(LDM)":[89],"propose":[91,103],"an":[92,104],"improved":[93],"(ILDM)":[97],"with":[98,139],"deterministic":[99],"sampling.":[100],"We":[101],"further":[102],"accelerated":[105,134],"LDM":[106,135],"method":[107],"to":[108],"speed":[109],"up":[110],"generation":[112],"process":[113],"by":[114],"skipping":[115],"certain":[116],"sampling":[117],"steps.":[118],"Simulation":[119],"results":[120,144],"demonstrate":[121],"proposed":[124],"ILDM":[125],"achieves":[126],"high":[127],"accuracy":[128],"generating":[130],"sCSI,":[131],"while":[132],"delivers":[136],"significant":[137],"speedups":[138],"minor":[140],"performance":[141],"degradation.":[142],"Our":[143],"also":[145],"validate":[146],"DToC":[149],"framework":[150],"can":[151],"effectively":[152],"generate":[153],"without":[155],"pilot":[156],"overhead.":[157]},"counts_by_year":[],"updated_date":"2026-07-25T15:57:00.446498","created_date":"2025-11-13T00:00:00"}