{"id":"https://openalex.org/W4403122841","doi":"https://doi.org/10.1109/lwc.2024.3474570","title":"Diffusion-Based Generative Prior for Low-Complexity MIMO Channel Estimation","display_name":"Diffusion-Based Generative Prior for Low-Complexity MIMO Channel Estimation","publication_year":2024,"publication_date":"2024-10-04","ids":{"openalex":"https://openalex.org/W4403122841","doi":"https://doi.org/10.1109/lwc.2024.3474570"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2024.3474570","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2024.3474570","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/lwc.2024.3474570","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034199583","display_name":"Benedikt Fesl","orcid":"https://orcid.org/0000-0002-1431-5885"},"institutions":[{"id":"https://openalex.org/I2799978770","display_name":"X-Fab (Germany)","ror":"https://ror.org/030bh9196","country_code":"DE","type":"company","lineage":["https://openalex.org/I2799978770"]},{"id":"https://openalex.org/I4210088543","display_name":"Institut f\u00fcr Informationsverarbeitung","ror":"https://ror.org/0047j9t38","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088543"]},{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Benedikt Fesl","raw_affiliation_strings":["Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany"],"raw_orcid":"https://orcid.org/0000-0002-1431-5885","affiliations":[{"raw_affiliation_string":"Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","institution_ids":["https://openalex.org/I2799978770"]},{"raw_affiliation_string":"Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany","institution_ids":["https://openalex.org/I4210088543","https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042553868","display_name":"Michael Baur","orcid":"https://orcid.org/0000-0002-3697-6828"},"institutions":[{"id":"https://openalex.org/I2799978770","display_name":"X-Fab (Germany)","ror":"https://ror.org/030bh9196","country_code":"DE","type":"company","lineage":["https://openalex.org/I2799978770"]},{"id":"https://openalex.org/I4210088543","display_name":"Institut f\u00fcr Informationsverarbeitung","ror":"https://ror.org/0047j9t38","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088543"]},{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Michael Baur","raw_affiliation_strings":["Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany"],"raw_orcid":"https://orcid.org/0000-0002-3697-6828","affiliations":[{"raw_affiliation_string":"Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","institution_ids":["https://openalex.org/I2799978770"]},{"raw_affiliation_string":"Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany","institution_ids":["https://openalex.org/I4210088543","https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081455229","display_name":"Florian Strasser","orcid":"https://orcid.org/0000-0001-6249-549X"},"institutions":[{"id":"https://openalex.org/I2799978770","display_name":"X-Fab (Germany)","ror":"https://ror.org/030bh9196","country_code":"DE","type":"company","lineage":["https://openalex.org/I2799978770"]},{"id":"https://openalex.org/I4210088543","display_name":"Institut f\u00fcr Informationsverarbeitung","ror":"https://ror.org/0047j9t38","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088543"]},{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Florian Strasser","raw_affiliation_strings":["Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany"],"raw_orcid":"https://orcid.org/0000-0001-6249-549X","affiliations":[{"raw_affiliation_string":"Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","institution_ids":["https://openalex.org/I2799978770"]},{"raw_affiliation_string":"Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany","institution_ids":["https://openalex.org/I4210088543","https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064978816","display_name":"Michael Joham","orcid":"https://orcid.org/0000-0003-2689-4121"},"institutions":[{"id":"https://openalex.org/I2799978770","display_name":"X-Fab (Germany)","ror":"https://ror.org/030bh9196","country_code":"DE","type":"company","lineage":["https://openalex.org/I2799978770"]},{"id":"https://openalex.org/I4210088543","display_name":"Institut f\u00fcr Informationsverarbeitung","ror":"https://ror.org/0047j9t38","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088543"]},{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Michael Joham","raw_affiliation_strings":["Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany"],"raw_orcid":"https://orcid.org/0000-0003-2689-4121","affiliations":[{"raw_affiliation_string":"Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","institution_ids":["https://openalex.org/I2799978770"]},{"raw_affiliation_string":"Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany","institution_ids":["https://openalex.org/I4210088543","https://openalex.org/I62916508"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004140094","display_name":"Wolfgang Utschick","orcid":"https://orcid.org/0000-0002-2871-4246"},"institutions":[{"id":"https://openalex.org/I2799978770","display_name":"X-Fab (Germany)","ror":"https://ror.org/030bh9196","country_code":"DE","type":"company","lineage":["https://openalex.org/I2799978770"]},{"id":"https://openalex.org/I4210088543","display_name":"Institut f\u00fcr Informationsverarbeitung","ror":"https://ror.org/0047j9t38","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088543"]},{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Utschick","raw_affiliation_strings":["Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany"],"raw_orcid":"https://orcid.org/0000-0002-2871-4246","affiliations":[{"raw_affiliation_string":"Lehrstuhl für Methoden der Signalverarbeitung, Technische Universität München, Munich, Germany","institution_ids":["https://openalex.org/I2799978770"]},{"raw_affiliation_string":"Lehrstuhl f\u00fcr Methoden der Signalverarbeitung, Technische Universit\u00e4t M\u00fcnchen, München, Germany","institution_ids":["https://openalex.org/I4210088543","https://openalex.org/I62916508"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5034199583"],"corresponding_institution_ids":["https://openalex.org/I2799978770","https://openalex.org/I4210088543","https://openalex.org/I62916508"],"apc_list":null,"apc_paid":null,"fwci":6.3691,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.97219357,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"13","issue":"12","first_page":"3493","last_page":"3497"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9991999864578247,"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":0.9991999864578247,"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":0.9988999962806702,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.6099997758865356},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.5707675814628601},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5526825785636902},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.552625298500061},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4236133396625519},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.4047767221927643},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32190680503845215},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2628745436668396},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1572066843509674}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6099997758865356},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.5707675814628601},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5526825785636902},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.552625298500061},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4236133396625519},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4047767221927643},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32190680503845215},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2628745436668396},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1572066843509674},{"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.2024.3474570","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2024.3474570","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/lwc.2024.3474570","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2024.3474570","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1997834106","https://openalex.org/W2094655360","https://openalex.org/W3092233344","https://openalex.org/W3111067891","https://openalex.org/W4288072110","https://openalex.org/W4312732721","https://openalex.org/W4323521062","https://openalex.org/W4385245566","https://openalex.org/W4393252833","https://openalex.org/W4393380038","https://openalex.org/W4401387306","https://openalex.org/W6679045638","https://openalex.org/W6765775151","https://openalex.org/W6779823529","https://openalex.org/W6795288823","https://openalex.org/W6849643236"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2112785353","https://openalex.org/W2026727497","https://openalex.org/W4388520214","https://openalex.org/W2164866798","https://openalex.org/W1976502299"],"abstract_inverted_index":{"This":[0],"letter":[1],"proposes":[2],"a":[3],"novel":[4],"channel":[5,49],"estimator":[6,83],"based":[7],"on":[8],"diffusion":[9,68],"models":[10],"(DMs),":[11],"one":[12],"of":[13,38],"the":[14,23,39,48,52,76,80],"currently":[15],"top-rated":[16],"generative":[17],"models,":[18],"with":[19,35,57],"provable":[20],"convergence":[21],"to":[22,46],"mean":[24],"square":[25],"error":[26],"(MSE)-optimal":[27],"estimator.":[28],"A":[29],"lightweight":[30],"convolutional":[31],"neural":[32],"network":[33],"(CNN)":[34],"positional":[36],"embedding":[37],"signal-to-noise":[40],"ratio":[41],"(SNR)":[42],"information":[43],"is":[44],"designed":[45],"learn":[47],"distribution":[50],"in":[51],"sparse":[53],"angular":[54],"domain.":[55],"Combined":[56],"an":[58],"estimation":[59],"strategy":[60],"that":[61,70],"avoids":[62],"stochastic":[63],"resampling":[64],"and":[65,87],"truncates":[66],"reverse":[67],"steps":[69],"account":[71],"for":[72],"lower":[73],"SNR":[74],"than":[75,95],"given":[77],"pilot":[78],"observation,":[79],"resulting":[81],"DM":[82],"unifies":[84],"low":[85],"complexity":[86],"memory":[88],"overhead.":[89],"Numerical":[90],"results":[91],"exhibit":[92],"better":[93],"performance":[94],"state-of-the-art":[96],"estimators.":[97]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":23},{"year":2024,"cited_by_count":2}],"updated_date":"2026-04-29T09:16:38.111599","created_date":"2025-10-10T00:00:00"}