{"id":"https://openalex.org/W4387872878","doi":"https://doi.org/10.1109/icc45041.2023.10278811","title":"Variational Bayesian Autoencoder for Channel Compression and Feedback in Massive MIMO Systems","display_name":"Variational Bayesian Autoencoder for Channel Compression and Feedback in Massive MIMO Systems","publication_year":2023,"publication_date":"2023-05-28","ids":{"openalex":"https://openalex.org/W4387872878","doi":"https://doi.org/10.1109/icc45041.2023.10278811"},"language":"en","primary_location":{"id":"doi:10.1109/icc45041.2023.10278811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45041.2023.10278811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","raw_type":"proceedings-article"},"type":"conference-paper","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/A5033649948","display_name":"Xuanyu Zheng","orcid":"https://orcid.org/0000-0003-3975-4582"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]},{"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":["CN","HK"],"is_corresponding":false,"raw_author_name":"Xuanyu Zheng","raw_affiliation_strings":["the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","Theory Lab, Central Research Institute, 2012 Labs, Huawei Technologies Co. Ltd., Hong Kong SAR","Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Theory Lab, Central Research Institute, 2012 Labs, Huawei Technologies Co. Ltd., Hong Kong SAR","institution_ids":["https://openalex.org/I2250955327"]},{"raw_affiliation_string":"Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113029608","display_name":"Yuanyuan Bi","orcid":"https://orcid.org/0000-0002-7857-0674"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"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":"Yuanyuan Bi","raw_affiliation_strings":["the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086975253","display_name":"Huayan Guo","orcid":"https://orcid.org/0000-0001-8419-150X"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"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":"Huayan Guo","raw_affiliation_strings":["the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073153992","display_name":"Vincent K. N. Lau","orcid":"https://orcid.org/0000-0001-7769-6008"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"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":"Vincent Lau","raw_affiliation_strings":["the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the Hong Kong University of Science and Technology,Department of Electronic and Computer Engineering,Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electronic and Computer Engineering, the Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"6349","last_page":"6354"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9944000244140625,"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":0.9944000244140625,"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":0.968999981880188,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9513999819755554,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/autoencoder","display_name":"Autoencoder","score":0.7782652378082275},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7430400252342224},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5958520174026489},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5497388243675232},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.548382043838501},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.4588847756385803},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4546816647052765},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.446243017911911},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.42736589908599854},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3965078294277191},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.38724467158317566},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.2544414699077606},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14716875553131104},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06771039962768555}],"concepts":[{"id":"https://openalex.org/C101738243","wikidata":"https://www.wikidata.org/wiki/Q786435","display_name":"Autoencoder","level":3,"score":0.7782652378082275},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7430400252342224},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5958520174026489},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5497388243675232},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.548382043838501},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.4588847756385803},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4546816647052765},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.446243017911911},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.42736589908599854},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3965078294277191},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.38724467158317566},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.2544414699077606},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14716875553131104},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06771039962768555},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icc45041.2023.10278811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45041.2023.10278811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-126887","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-126887","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4009951672","display_name":"Online Deep Learning for Multi-user Extremely Large Scale MIMO (ELS-MIMO) Channel Estimation","funder_award_id":"16214122","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"},{"id":"https://openalex.org/G5660395998","display_name":null,"funder_award_id":"62101472","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/F4320321592","display_name":"Research Grants Council, University Grants Committee","ror":"https://ror.org/00djwmt25"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2072079297","https://openalex.org/W2099721949","https://openalex.org/W2128513990","https://openalex.org/W2129652681","https://openalex.org/W2785562966","https://openalex.org/W2886124254","https://openalex.org/W2888966884","https://openalex.org/W2901240584","https://openalex.org/W2963145597","https://openalex.org/W2964098744","https://openalex.org/W2979737846","https://openalex.org/W2999917673","https://openalex.org/W3003580643","https://openalex.org/W3003689553","https://openalex.org/W3045262278","https://openalex.org/W3112756300","https://openalex.org/W3168839105","https://openalex.org/W3194017222"],"related_works":["https://openalex.org/W2159052453","https://openalex.org/W2059045613","https://openalex.org/W884630482","https://openalex.org/W2025723618","https://openalex.org/W2552025594","https://openalex.org/W4211013851","https://openalex.org/W4224872188","https://openalex.org/W4285223123","https://openalex.org/W4386970495","https://openalex.org/W2982570613"],"abstract_inverted_index":{"In":[0,78],"this":[1],"paper,":[2],"we":[3,80],"propose":[4,82],"a":[5,48,69,83],"Variational":[6],"Bayesian":[7,70],"Autoencoder":[8],"(VBA)-based":[9],"channel":[10,39,60,76],"state":[11],"information":[12],"(CSI)":[13],"compression":[14,43,101],"and":[15,35,58,64],"feedback":[16,33,56],"scheme":[17,26,86,109],"for":[18,87,99],"massive":[19],"multiple-input":[20],"multiple-output":[21],"(MIMO)":[22],"systems.":[23],"The":[24],"proposed":[25,108],"incorporates":[27],"the":[28,36,55,59,62,74,96,107,115],"model-assisted":[29],"knowledge":[30],"of":[31,38,54,90],"low-dimensional":[32],"features":[34,57],"sparsity":[37],"to":[40],"achieve":[41],"enhanced":[42],"efficiency.":[44],"We":[45],"also":[46,81],"design":[47],"CsiVBA":[49],"architecture":[50],"that":[51,106],"outputs":[52],"distributions":[53],"at":[61],"encoder":[63],"decoder,":[65],"respectively,":[66],"which":[67],"facilitates":[68],"training":[71,85],"formulation":[72],"exploiting":[73],"underlying":[75],"sparsity.":[77],"addition,":[79],"low-complexity":[84],"new":[88,100],"networks":[89],"different":[91],"bit":[92],"rates,":[93],"significantly":[94],"reducing":[95],"retraining":[97],"cost":[98],"requirements.":[102],"Simulation":[103],"results":[104],"show":[105],"achieves":[110],"better":[111],"rate-distortion":[112],"trade-offs":[113],"than":[114],"state-of-the-art":[116],"solutions.":[117]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}