{"id":"https://openalex.org/W3199007040","doi":"https://doi.org/10.1109/twc.2021.3109908","title":"Improved Downlink Rates for FDD Massive MIMO Systems Through Bayesian Neural Networks-Based Channel Prediction","display_name":"Improved Downlink Rates for FDD Massive MIMO Systems Through Bayesian Neural Networks-Based Channel Prediction","publication_year":2021,"publication_date":"2021-09-13","ids":{"openalex":"https://openalex.org/W3199007040","doi":"https://doi.org/10.1109/twc.2021.3109908","mag":"3199007040"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2021.3109908","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3109908","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":"https://openalex.org/A5089370596","display_name":"Zhihao Tao","orcid":"https://orcid.org/0000-0001-5902-6780"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhihao Tao","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100664829","display_name":"Shaowei Wang","orcid":"https://orcid.org/0000-0003-0143-556X"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaowei Wang","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5089370596"],"corresponding_institution_ids":["https://openalex.org/I881766915"],"apc_list":null,"apc_paid":null,"fwci":1.8215,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.85333862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"21","issue":"3","first_page":"2122","last_page":"2134"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9986000061035156,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/computer-science","display_name":"Computer science","score":0.789212703704834},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7676471471786499},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7105186581611633},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6286118030548096},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5284309983253479},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.46970078349113464},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3981792628765106},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35931432247161865},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.32796230912208557},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.28923463821411133},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22272655367851257},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.19512519240379333},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19184333086013794}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.789212703704834},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7676471471786499},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7105186581611633},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6286118030548096},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5284309983253479},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.46970078349113464},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3981792628765106},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35931432247161865},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32796230912208557},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.28923463821411133},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22272655367851257},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.19512519240379333},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19184333086013794},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2021.3109908","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3109908","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/G6656072762","display_name":null,"funder_award_id":"U1936202","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8700549466","display_name":null,"funder_award_id":"61931023","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1518945650","https://openalex.org/W1567512734","https://openalex.org/W1663973292","https://openalex.org/W1825077972","https://openalex.org/W1971443733","https://openalex.org/W2022276843","https://openalex.org/W2059335839","https://openalex.org/W2072079297","https://openalex.org/W2076457767","https://openalex.org/W2107093743","https://openalex.org/W2111051539","https://openalex.org/W2115163913","https://openalex.org/W2128513990","https://openalex.org/W2144226281","https://openalex.org/W2152660369","https://openalex.org/W2155482699","https://openalex.org/W2157399945","https://openalex.org/W2169837091","https://openalex.org/W2171066806","https://openalex.org/W2231026252","https://openalex.org/W2238937638","https://openalex.org/W2621216226","https://openalex.org/W2902598962","https://openalex.org/W2911546748","https://openalex.org/W2925075011","https://openalex.org/W2945496621","https://openalex.org/W2956805085","https://openalex.org/W2969090546","https://openalex.org/W2973557046","https://openalex.org/W3000769608","https://openalex.org/W3001370401","https://openalex.org/W3010589741","https://openalex.org/W3015204767","https://openalex.org/W3030356194","https://openalex.org/W3081279169","https://openalex.org/W3089389858","https://openalex.org/W3102961490","https://openalex.org/W3104574805","https://openalex.org/W3106282754","https://openalex.org/W3111293474","https://openalex.org/W3112756300","https://openalex.org/W3167779900","https://openalex.org/W4212863985","https://openalex.org/W6764214684"],"related_works":["https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W2546639359","https://openalex.org/W2059045613","https://openalex.org/W1922070205","https://openalex.org/W2561058892","https://openalex.org/W884630482","https://openalex.org/W2025723618","https://openalex.org/W2552025594"],"abstract_inverted_index":{"In":[0,64],"frequency-division-duplex":[1],"(FDD)":[2],"massive":[3,60],"MIMO":[4,49,61],"systems,":[5],"channel":[6,71,87,123,147,160],"state":[7],"information":[8],"(CSI)":[9],"feedback":[10,27,37],"waiting":[11,38,79],"phase":[12,39],"does":[13],"not":[14],"get":[15],"fully":[16],"exploited":[17],"since":[18],"base":[19],"station":[20],"needs":[21],"to":[22,75,157],"wait":[23],"for":[24],"the":[25,35,41,48,58,77,99,158],"CSI":[26,36],"before":[28],"transmitting":[29],"downlink":[30,42,55,137],"data.":[31],"The":[32],"proportion":[33],"of":[34,57,114,134],"during":[40],"transmission":[43],"would":[44],"be":[45],"high":[46],"as":[47,164],"system":[50],"scales":[51],"up,":[52],"which":[53,96],"sacrifices":[54],"rates":[56,138],"FDD":[59,73,125],"systems":[62],"significantly.":[63],"this":[65],"paper,":[66],"we":[67,83],"first":[68],"present":[69],"a":[70,85,102],"prediction-aided":[72,124],"scheme":[74,126],"utilize":[76],"idle":[78],"time":[80],"efficiently.":[81],"Then":[82],"propose":[84],"novel":[86],"prediction":[88,161],"method":[89],"based":[90],"on":[91],"Bayesian":[92],"neural":[93,169],"network":[94,115],"(BNN),":[95],"can":[97,127],"handle":[98],"uncertainty":[100],"in":[101,132,155],"natural":[103],"manner":[104],"and":[105,153,167],"learn":[106],"regularization":[107],"from":[108],"data":[109],"without":[110],"painstaking":[111],"manual":[112],"pre-tuning":[113],"hyperparameters.":[116],"Numerical":[117],"results":[118],"show":[119],"that":[120],"our":[121,144],"proposed":[122,145],"achieve":[128],"remarkable":[129],"performance":[130],"gains":[131],"terms":[133],"either":[135],"achievable":[136],"or":[139],"bit":[140],"error":[141],"rate.":[142],"Moreover,":[143],"BNN-based":[146],"predictor":[148],"is":[149],"much":[150],"more":[151],"effective":[152],"robust":[154],"contrast":[156],"state-of-the-art":[159],"techniques":[162],"such":[163],"autoregressive":[165],"model":[166],"recurrent":[168],"network.":[170]},"counts_by_year":[{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":6}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
