{"id":"https://openalex.org/W4287847178","doi":"https://doi.org/10.1109/bmsb55706.2022.9828652","title":"Joint Optimization of IRS-assisted MU-MIMO Communication Systems through a DRL-based Twin Delayed DDPG Approach","display_name":"Joint Optimization of IRS-assisted MU-MIMO Communication Systems through a DRL-based Twin Delayed DDPG Approach","publication_year":2022,"publication_date":"2022-06-15","ids":{"openalex":"https://openalex.org/W4287847178","doi":"https://doi.org/10.1109/bmsb55706.2022.9828652"},"language":"en","primary_location":{"id":"doi:10.1109/bmsb55706.2022.9828652","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmsb55706.2022.9828652","pdf_url":null,"source":{"id":"https://openalex.org/S4363606279","display_name":"2022 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)","raw_type":"proceedings-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/A5088128600","display_name":"Dariel Pereira-Ruis\u00e1nchez","orcid":"https://orcid.org/0000-0003-0278-1499"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dariel Pereira-Ruisanchez","raw_affiliation_strings":["University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084296038","display_name":"\u00d3scar Fresnedo","orcid":"https://orcid.org/0000-0002-2905-9052"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Oscar Fresnedo","raw_affiliation_strings":["University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061344170","display_name":"Darian P\u00e9rez-Ad\u00e1n","orcid":"https://orcid.org/0000-0002-6358-319X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Darian Perez-Adan","raw_affiliation_strings":["University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011797998","display_name":"Luis Castedo","orcid":"https://orcid.org/0000-0002-3801-012X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Luis Castedo","raw_affiliation_strings":["University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of A Coru&#x00F1;a,CITIC Research Center,Department of Computer Engineering,Spain","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.1463,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.96040218,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9714999794960022,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9706000089645386,"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/mimo","display_name":"MIMO","score":0.7579724788665771},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5996959805488586},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5717163681983948},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.5523645281791687},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5004594326019287},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4946407973766327},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.46544158458709717},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.43970951437950134},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.43627044558525085},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4187653958797455},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3246649503707886},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21153739094734192},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.17068234086036682},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17039242386817932},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14504706859588623}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7579724788665771},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5996959805488586},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5717163681983948},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.5523645281791687},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5004594326019287},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4946407973766327},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.46544158458709717},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.43970951437950134},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.43627044558525085},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4187653958797455},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3246649503707886},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21153739094734192},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.17068234086036682},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17039242386817932},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14504706859588623},{"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/bmsb55706.2022.9828652","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmsb55706.2022.9828652","pdf_url":null,"source":{"id":"https://openalex.org/S4363606279","display_name":"2022 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.7300000190734863}],"awards":[{"id":"https://openalex.org/G2121431681","display_name":null,"funder_award_id":"RED2018-102668-T,PID2019-104958RB-C42","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2251407188","display_name":null,"funder_award_id":"ED431C 2020/15,ED431G2019/01","funder_id":"https://openalex.org/F4320326655","funder_display_name":"Xunta de Galicia"}],"funders":[{"id":"https://openalex.org/F4320326655","display_name":"Xunta de Galicia","ror":"https://ror.org/0181xnw06"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W2770606349","https://openalex.org/W2787938642","https://openalex.org/W2950077417","https://openalex.org/W2963864421","https://openalex.org/W2995554704","https://openalex.org/W3001613668","https://openalex.org/W3005476696","https://openalex.org/W3012004564","https://openalex.org/W3021225717","https://openalex.org/W3034281970","https://openalex.org/W3039402952","https://openalex.org/W3098797675","https://openalex.org/W3146477712","https://openalex.org/W3162720533","https://openalex.org/W3172350776","https://openalex.org/W3205905181","https://openalex.org/W6684921986","https://openalex.org/W6748839928","https://openalex.org/W6795117569","https://openalex.org/W6797232479","https://openalex.org/W6803253033"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2401571617","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2953205382","https://openalex.org/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"Intelligent":[0],"reflecting":[1],"surface":[2],"(IRS)-assisted":[3],"multiple-input":[4],"multiple-output":[5],"(MIMO)":[6],"systems":[7],"are":[8,123],"foreseen":[9],"as":[10],"key":[11],"enablers":[12],"of":[13,40,58,62,91,112],"beyond":[14],"5G":[15],"(B5G)":[16],"and":[17,28,47,49,65,115],"6G":[18],"wireless":[19],"communications.":[20],"By":[21],"properly":[22],"designing":[23],"the":[24,29,33,55,59,63,66,84,92,105,126,134],"MIMO":[25],"precoding":[26],"matrices":[27],"IRS":[30,67],"phase-shift":[31],"matrix,":[32,70],"system":[34,85],"performance":[35,140],"significantly":[36],"improves":[37],"in":[38,110],"terms":[39,111],"higher":[41],"transmission":[42],"rates,":[43],"lower":[44],"power":[45],"consumption":[46],"delays,":[48],"improved":[50],"communication":[51],"security.":[52],"To":[53],"overcome":[54],"high":[56],"dimensionality":[57],"joint":[60],"optimization":[61,106],"precoders":[64],"phase":[68],"shift":[69],"we":[71],"propose":[72],"an":[73,89],"innovative":[74],"deep":[75,93],"reinforcement":[76],"learning":[77],"(DRL)-based":[78],"approach.":[79],"We":[80],"aim":[81],"at":[82],"maximizing":[83],"sum-rate":[86],"by":[87],"considering":[88],"adaptation":[90],"deterministic":[94],"policy":[95],"gradient":[96],"(DDPG)":[97],"framework,":[98],"namely":[99],"twin":[100],"delayed":[101],"DDPG":[102],"(TD3).":[103],"Hence,":[104],"problem":[107],"is":[108],"formulated":[109],"continuous":[113],"action":[114],"state":[116],"spaces,":[117],"while":[118],"artificial":[119],"neural":[120],"networks":[121],"(ANNs)":[122],"used":[124],"for":[125],"function":[127],"approximations.":[128],"The":[129],"simulation":[130],"results":[131],"show":[132],"that":[133],"proposed":[135],"solution":[136],"reaches":[137],"a":[138],"competitive":[139],"when":[141],"compared":[142],"with":[143],"other":[144],"state-of-the-art":[145],"algorithms.":[146]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
