{"id":"https://openalex.org/W4403761236","doi":"https://doi.org/10.1109/tvt.2024.3486360","title":"Joint AP Scheduling and Precoding in RIS-Aided Distributed MIMO Networks: A Hierarchical DRL Framework","display_name":"Joint AP Scheduling and Precoding in RIS-Aided Distributed MIMO Networks: A Hierarchical DRL Framework","publication_year":2024,"publication_date":"2024-10-25","ids":{"openalex":"https://openalex.org/W4403761236","doi":"https://doi.org/10.1109/tvt.2024.3486360"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2024.3486360","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2024.3486360","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://pureadmin.qub.ac.uk/ws/files/615829468/Distributed_MIMO_MM.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101303677","display_name":"Yangjing Wang","orcid":"https://orcid.org/0009-0000-3073-3131"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yangjing Wang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0000-3073-3131","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100375264","display_name":"Xiao Li","orcid":"https://orcid.org/0000-0001-9660-9053"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao Li","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-9660-9053","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029033908","display_name":"Xinping Yi","orcid":"https://orcid.org/0000-0001-5163-2364"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinping Yi","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-5163-2364","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035876091","display_name":"Michail Matthaiou","orcid":"https://orcid.org/0000-0001-9235-7741"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Michail Matthaiou","raw_affiliation_strings":["Centre for Wireless Innovation (CWI), Queen's University Belfast, Belfast, U.K"],"raw_orcid":"https://orcid.org/0000-0001-9235-7741","affiliations":[{"raw_affiliation_string":"Centre for Wireless Innovation (CWI), Queen's University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013079905","display_name":"Shi Jin","orcid":"https://orcid.org/0000-0003-0271-6021"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi Jin","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-0271-6021","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5569,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.6718151,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"74","issue":"3","first_page":"5264","last_page":"5269"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9962000250816345,"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":0.9962000250816345,"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/T11932","display_name":"Wireless Body Area Networks","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9894999861717224,"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":0.8593028783798218},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6496434807777405},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5756814479827881},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5644771456718445},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5427020788192749},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.43253758549690247},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3608076870441437},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.27971917390823364}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8593028783798218},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6496434807777405},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5756814479827881},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5644771456718445},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5427020788192749},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.43253758549690247},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3608076870441437},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27971917390823364},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tvt.2024.3486360","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2024.3486360","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"},{"id":"pmh:oai:pure.qub.ac.uk/portal:openaire/834594dd-81ff-401a-aad1-fd12341bc690","is_oa":true,"landing_page_url":"https://pure.qub.ac.uk/en/publications/834594dd-81ff-401a-aad1-fd12341bc690","pdf_url":"https://pureadmin.qub.ac.uk/ws/files/615829468/Distributed_MIMO_MM.pdf","source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Wang, Y, Li, X, Yi, X, Matthaiou, M & Jin, S 2024, 'Joint AP scheduling and precoding in RIS-aided distributed MIMO networks: a hierarchical DRL framework', IEEE Transactions on Vehicular Technology. https://doi.org/10.1109/TVT.2024.3486360","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:pure.qub.ac.uk/portal:openaire/834594dd-81ff-401a-aad1-fd12341bc690","is_oa":true,"landing_page_url":"https://pure.qub.ac.uk/en/publications/834594dd-81ff-401a-aad1-fd12341bc690","pdf_url":"https://pureadmin.qub.ac.uk/ws/files/615829468/Distributed_MIMO_MM.pdf","source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Wang, Y, Li, X, Yi, X, Matthaiou, M & Jin, S 2024, 'Joint AP scheduling and precoding in RIS-aided distributed MIMO networks: a hierarchical DRL framework', IEEE Transactions on Vehicular Technology. https://doi.org/10.1109/TVT.2024.3486360","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1003364742","display_name":null,"funder_award_id":"62261160576","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G342761634","display_name":null,"funder_award_id":"62231009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4467389623","display_name":null,"funder_award_id":"2242023K5003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4518348544","display_name":null,"funder_award_id":"62471129","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5426898190","display_name":null,"funder_award_id":"2242023K5003","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G6711389198","display_name":null,"funder_award_id":"BK20212002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320320357","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320321832","display_name":"Queen's University","ror":"https://ror.org/02y72wh86"},{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4403761236.pdf","grobid_xml":"https://content.openalex.org/works/W4403761236.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W2593893328","https://openalex.org/W2981792785","https://openalex.org/W3001613668","https://openalex.org/W3005072086","https://openalex.org/W3005761304","https://openalex.org/W3091365446","https://openalex.org/W3134059753","https://openalex.org/W4221057152","https://openalex.org/W4296915796","https://openalex.org/W4321770460","https://openalex.org/W4323065908","https://openalex.org/W4388895085","https://openalex.org/W4389331899","https://openalex.org/W6747473740","https://openalex.org/W6757592117"],"related_works":["https://openalex.org/W4281688526","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/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"With":[0],"the":[1,29,53,69,86,105,112],"increasing":[2],"demands":[3],"for":[4,39],"spectral":[5,89],"and":[6,37,119],"energy":[7],"efficiency,":[8],"distributed":[9,41,96],"multiple-input":[10],"multiple-output":[11],"(MIMO)":[12],"networks":[13],"assisted":[14],"with":[15,98,115],"reconfigurable":[16],"intelligent":[17],"surfaces":[18],"(RISs)":[19],"have":[20],"attracted":[21],"considerable":[22],"attention.":[23],"In":[24],"this":[25,46],"paper,":[26],"we":[27,51,75],"investigate":[28],"joint":[30,54,73],"optimization":[31,55],"of":[32,72],"access":[33],"point":[34],"(AP)":[35],"scheduling":[36],"precoding":[38],"RIS-aided":[40],"MIMO":[42],"networks.":[43],"To":[44,66],"make":[45],"challenging":[47],"problem":[48],"more":[49],"tractable,":[50],"decouple":[52],"into":[56],"two":[57],"hierarchical":[58,78],"subproblems,":[59],"which":[60,92],"eventually":[61],"formulate":[62],"a":[63,77,95],"two-timescale":[64],"scheme.":[65],"further":[67],"reduce":[68],"computational":[70,113],"complexity":[71,114],"precoding,":[74],"propose":[76],"deep":[79],"reinforcement":[80],"learning":[81],"(HDRL)":[82],"framework":[83,107],"to":[84,94],"maximize":[85],"system":[87,124],"sum":[88],"efficiency":[90],"(SE),":[91],"leads":[93],"deployment":[97],"centralized":[99],"training.":[100],"Simulation":[101],"results":[102],"show":[103],"that":[104],"proposed":[106],"yields":[108],"significant":[109],"reduction":[110],"in":[111],"slight":[116],"performance":[117],"loss,":[118],"strong":[120],"generalizability":[121],"against":[122],"varying":[123],"parameters.":[125]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}