{"id":"https://openalex.org/W4404563810","doi":"https://doi.org/10.1109/lwc.2024.3503066","title":"Feedback Design With VQ-VAE for Robust Precoding in Multi-User FDD Systems","display_name":"Feedback Design With VQ-VAE for Robust Precoding in Multi-User FDD Systems","publication_year":2024,"publication_date":"2024-11-20","ids":{"openalex":"https://openalex.org/W4404563810","doi":"https://doi.org/10.1109/lwc.2024.3503066"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2024.3503066","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2024.3503066","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.2024.3503066","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045755122","display_name":"Nurettin Turan","orcid":"https://orcid.org/0000-0003-1428-6399"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Nurettin Turan","raw_affiliation_strings":["TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042553868","display_name":"Michael Baur","orcid":"https://orcid.org/0000-0002-3697-6828"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael Baur","raw_affiliation_strings":["TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jianqing Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jianqing Li","raw_affiliation_strings":["TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"Wolfgang Utschick","orcid":"https://orcid.org/0000-0002-2871-4246"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wolfgang Utschick","raw_affiliation_strings":["TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"TUM School of Computation, Information and Technology, Technische Universität München, Munich, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5045755122"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.245,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.55161089,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"14","issue":"2","first_page":"390","last_page":"394"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9860000014305115,"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"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9853000044822693,"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/precoding","display_name":"Precoding","score":0.7261285185813904},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7145883440971375},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.23063719272613525},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21180027723312378},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.14098340272903442}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7261285185813904},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7145883440971375},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.23063719272613525},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21180027723312378},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.14098340272903442}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2024.3503066","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2024.3503066","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.2024.3503066","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2024.3503066","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":[{"id":"https://openalex.org/G3465339082","display_name":null,"funder_award_id":"16KISK002","funder_id":"https://openalex.org/F4320321114","funder_display_name":"Bundesministerium f\u00fcr Bildung und Forschung"},{"id":"https://openalex.org/G8249116237","display_name":null,"funder_award_id":"16KISK002","funder_id":"https://openalex.org/F4320324070","funder_display_name":"Ministry of Education and Research, Romania"}],"funders":[{"id":"https://openalex.org/F4320321114","display_name":"Bundesministerium f\u00fcr Bildung und Forschung","ror":"https://ror.org/04pz7b180"},{"id":"https://openalex.org/F4320324070","display_name":"Ministry of Education and Research, Romania","ror":"https://ror.org/00dh5gw98"},{"id":"https://openalex.org/F4320331012","display_name":"Bayerische Staatsministerium f\u00fcr Wirtschaft, Landesentwicklung und Energie","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1491719355","https://openalex.org/W1970830346","https://openalex.org/W2025768430","https://openalex.org/W2031107356","https://openalex.org/W2105889138","https://openalex.org/W2113271807","https://openalex.org/W2238937638","https://openalex.org/W2738538347","https://openalex.org/W2752796333","https://openalex.org/W2963129504","https://openalex.org/W2963145597","https://openalex.org/W3003689553","https://openalex.org/W3096252532","https://openalex.org/W3214727643","https://openalex.org/W4288072110","https://openalex.org/W4385574803","https://openalex.org/W4388666097","https://openalex.org/W4388854790","https://openalex.org/W4396667743","https://openalex.org/W4399768035","https://openalex.org/W6769743954","https://openalex.org/W6871365088"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","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"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"propose":[4],"a":[5],"vector":[6],"quantized-variational":[7],"autoencoder":[8,65],"(VQ-VAE)-based":[9],"feedback":[10,61,86],"scheme":[11,62],"for":[12],"robust":[13],"precoder":[14],"design":[15],"in":[16,45],"multi-user":[17],"frequency":[18],"division":[19],"duplex":[20],"(FDD)":[21],"systems.":[22,50],"We":[23],"demonstrate":[24],"how":[25],"the":[26,59,80],"VQ-VAE":[27],"can":[28],"be":[29],"tailored":[30],"to":[31],"specific":[32],"propagation":[33],"environments,":[34],"focusing":[35],"on":[36],"systems":[37,83],"with":[38,53,84],"low":[39],"pilot":[40],"overhead,":[41],"which":[42],"is":[43],"crucial":[44],"massive":[46],"multiple-input":[47],"multiple-output":[48],"(MIMO)":[49],"Extensive":[51],"simulations":[52],"real-world":[54],"measurement":[55],"data":[56],"show":[57],"that":[58],"proposed":[60],"outperforms":[63],"state-of-the-art":[64],"(AE)-based":[66],"compression":[67],"schemes":[68],"and":[69],"conventional":[70],"Discrete":[71],"Fourier":[72],"transform":[73],"(DFT)":[74],"codebook-based":[75],"schemes.":[76],"These":[77],"improvements":[78],"enable":[79],"deployment":[81],"of":[82],"fewer":[85],"bits":[87],"or":[88],"pilots.":[89]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}