{"id":"https://openalex.org/W4412536512","doi":"https://doi.org/10.1109/lwc.2025.3590800","title":"Enhancing MIMO Channel Estimation: A Denoising Diffusion Approach","display_name":"Enhancing MIMO Channel Estimation: A Denoising Diffusion Approach","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4412536512","doi":"https://doi.org/10.1109/lwc.2025.3590800"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2025.3590800","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3590800","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5083959655","display_name":"Shidong Jin","orcid":null},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shidong Jin","raw_affiliation_strings":["School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0009-0002-2746-7586","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103145569","display_name":"Shaopu Wang","orcid":"https://orcid.org/0000-0002-8873-2948"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaopu Wang","raw_affiliation_strings":["China Information Security Research Institute Co., Ltd, No. Haidian District, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Information Security Research Institute Co., Ltd, No. Haidian District, Beijing, China","institution_ids":["https://openalex.org/I4210156404"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045420802","display_name":"Shaochuan Wu","orcid":"https://orcid.org/0000-0002-2362-3126"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaochuan Wu","raw_affiliation_strings":["School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0002-2362-3126","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100710364","display_name":"Chunlei Wang","orcid":"https://orcid.org/0000-0001-7843-7286"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunlei Wang","raw_affiliation_strings":["China Information Security Research Institute Co., Ltd, No. Haidian District, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Information Security Research Institute Co., Ltd, No. Haidian District, Beijing, China","institution_ids":["https://openalex.org/I4210156404"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034748006","display_name":"Yanfeng Gu","orcid":"https://orcid.org/0000-0003-1625-7989"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanfeng Gu","raw_affiliation_strings":["School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0003-1625-7989","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"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":0.13503142,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9822999835014343,"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":0.9822999835014343,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.965399980545044,"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/computer-science","display_name":"Computer science","score":0.6144868731498718},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5637148022651672},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.551604151725769},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4995107650756836},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.45576322078704834},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.4323884844779968},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3232741057872772},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.24474921822547913},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22602379322052002},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10697731375694275}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6144868731498718},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5637148022651672},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.551604151725769},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4995107650756836},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.45576322078704834},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.4323884844779968},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3232741057872772},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.24474921822547913},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22602379322052002},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10697731375694275},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2025.3590800","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3590800","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","score":0.5899999737739563,"id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G3007329372","display_name":null,"funder_award_id":"62271167","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2554517556","https://openalex.org/W2953205382","https://openalex.org/W1994906402","https://openalex.org/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"As":[0],"accurate":[1],"channel":[2,26,43,137],"state":[3],"information":[4],"(CSI)":[5],"is":[6],"essential":[7],"for":[8,59],"unlocking":[9],"the":[10,84,121,132],"full":[11],"potential":[12],"of":[13,136],"Multiple-Input":[14],"Multiple-Output":[15],"(MIMO)":[16],"architectures,":[17],"which":[18],"are":[19],"foundational":[20],"to":[21,57],"modern":[22],"wireless":[23],"communication":[24],"systems,":[25],"estimation":[27,123],"(CE)":[28],"becomes":[29],"an":[30],"important":[31],"task.":[32],"While":[33],"traditional":[34],"methods":[35],"like":[36,62],"least":[37],"squares":[38],"and":[39,50,109,134],"compressed":[40],"sensing":[41],"leverage":[42],"sparsity,":[44],"they":[45],"struggle":[46],"with":[47],"noise":[48,122],"variability,":[49],"recent":[51],"machine":[52],"learning":[53],"techniques":[54],"often":[55],"fail":[56],"account":[58],"communication-specific":[60,112],"structures":[61],"antenna":[63,117],"layouts,":[64],"exhibiting":[65],"poor":[66],"performance":[67,104],"in":[68,140],"low":[69,106,142],"Signal-to-Noise":[70],"Ratio":[71],"(SNR)":[72],"conditions.":[73],"This":[74],"paper":[75],"proposes":[76],"a":[77,99,111],"novel":[78],"MIMO":[79],"CE":[80],"framework":[81],"that":[82,102,115,127],"advances":[83],"Denoising":[85],"Diffusion":[86],"Implicit":[87],"Model":[88],"(DDIM)":[89],"through":[90],"domain-specific":[91],"innovations.":[92],"We":[93],"introduce":[94],"two":[95],"key":[96],"contributions:":[97],"(1)":[98],"sampling":[100],"strategy":[101],"enhances":[103],"under":[105],"SNR":[107,143],"scenarios,":[108],"(2)":[110],"network":[113],"architecture":[114],"integrates":[116],"array":[118],"layout":[119],"into":[120],"network.":[124],"Simulations":[125],"validate":[126],"these":[128],"enhancements":[129],"significantly":[130],"improve":[131],"robustness":[133],"accuracy":[135],"estimation,":[138],"particularly":[139],"challenging":[141],"environments.":[144]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
