{"id":"https://openalex.org/W4413360051","doi":"https://doi.org/10.1109/lcomm.2025.3600872","title":"Discrete Softmax Policy Gradient for Statistical QoS Provisioning in RIS-Aided Holographic MIMO Networks","display_name":"Discrete Softmax Policy Gradient for Statistical QoS Provisioning in RIS-Aided Holographic MIMO Networks","publication_year":2025,"publication_date":"2025-08-20","ids":{"openalex":"https://openalex.org/W4413360051","doi":"https://doi.org/10.1109/lcomm.2025.3600872"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2025.3600872","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3600872","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","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/A5046015093","display_name":"Mohamed Amine Ouamri","orcid":"https://orcid.org/0000-0002-1922-5483"},"institutions":[{"id":"https://openalex.org/I4210091279","display_name":"Universit\u00e9 Sorbonne Paris Nord","ror":"https://ror.org/0199hds37","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210091279"]},{"id":"https://openalex.org/I4210129765","display_name":"Laboratoire de physique des lasers","ror":"https://ror.org/03n3yg876","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I4210091279","https://openalex.org/I4210129765"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mohamed Amine Ouamri","raw_affiliation_strings":["Department of Network and Telecommunication, IUT de Villetaneuse, L2TI Laboratory, and the La Maison des Sciences Num&#x00E9;riques, University Sorbonne Paris Nord (USPN), Villetaneuse, France","Department of Network and Telecommunication, IUT de Villetaneuse, L2TI Laboratory, University Sorbonne Paris Nord, Villetaneuse, France"],"raw_orcid":"https://orcid.org/0000-0002-1922-5483","affiliations":[{"raw_affiliation_string":"Department of Network and Telecommunication, IUT de Villetaneuse, L2TI Laboratory, and the La Maison des Sciences Num&#x00E9;riques, University Sorbonne Paris Nord (USPN), Villetaneuse, France","institution_ids":["https://openalex.org/I4210091279"]},{"raw_affiliation_string":"Department of Network and Telecommunication, IUT de Villetaneuse, L2TI Laboratory, University Sorbonne Paris Nord, Villetaneuse, France","institution_ids":["https://openalex.org/I4210091279","https://openalex.org/I4210129765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060644315","display_name":"Abuzar B. M. Adam","orcid":"https://orcid.org/0000-0002-9231-9734"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]},{"id":"https://openalex.org/I4405259781","display_name":"Interdisciplinary Centre for Security, Reliability and Trust","ror":"https://ror.org/02qav7c04","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Abuzar B. M. Adam","raw_affiliation_strings":["Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg"],"raw_orcid":"https://orcid.org/0000-0002-9231-9734","affiliations":[{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg","institution_ids":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007529213","display_name":"Mohammed A. M. Elhassan","orcid":"https://orcid.org/0000-0003-3522-3055"},"institutions":[{"id":"https://openalex.org/I135237710","display_name":"Zhejiang Normal University","ror":"https://ror.org/01vevwk45","country_code":"CN","type":"education","lineage":["https://openalex.org/I135237710"]},{"id":"https://openalex.org/I163151501","display_name":"Hangzhou Normal University","ror":"https://ror.org/014v1mr15","country_code":"CN","type":"education","lineage":["https://openalex.org/I163151501"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mohammed A. M. Elhassan","raw_affiliation_strings":["School of Mathematics and Computer Science, Zhejiang Normal University, Jinhua, China","School of Mathematics and Computer Science, Zhejiang Normal University, China"],"raw_orcid":"https://orcid.org/0000-0003-3522-3055","affiliations":[{"raw_affiliation_string":"School of Mathematics and Computer Science, Zhejiang Normal University, Jinhua, China","institution_ids":["https://openalex.org/I135237710"]},{"raw_affiliation_string":"School of Mathematics and Computer Science, Zhejiang Normal University, China","institution_ids":["https://openalex.org/I135237710","https://openalex.org/I163151501"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014515635","display_name":"Elhadj Moustapha Diallo","orcid":"https://orcid.org/0009-0000-4860-6253"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Elhadj Moustapha Diallo","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0009-0000-4860-6253","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":null,"display_name":"Xingwang Li","orcid":"https://orcid.org/0000-0002-6351-9059"},"institutions":[{"id":"https://openalex.org/I4210166499","display_name":"Henan Polytechnic University","ror":"https://ror.org/05vr1c885","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210166499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingwang Li","raw_affiliation_strings":["School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, China"],"raw_orcid":"https://orcid.org/0000-0002-6351-9059","affiliations":[{"raw_affiliation_string":"School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3267,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.54761431,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"29","issue":"11","first_page":"2516","last_page":"2520"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9696000218391418,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9696000218391418,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9602000117301941,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9585999846458435,"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/softmax-function","display_name":"Softmax function","score":0.7081143856048584},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6549859046936035},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6076974868774414},{"id":"https://openalex.org/keywords/provisioning","display_name":"Provisioning","score":0.6005940437316895},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5607873201370239},{"id":"https://openalex.org/keywords/holography","display_name":"Holography","score":0.49936914443969727},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.46202951669692993},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3028145432472229},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.2916335463523865},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18468362092971802},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09966379404067993}],"concepts":[{"id":"https://openalex.org/C188441871","wikidata":"https://www.wikidata.org/wiki/Q7554146","display_name":"Softmax function","level":3,"score":0.7081143856048584},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6549859046936035},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6076974868774414},{"id":"https://openalex.org/C172191483","wikidata":"https://www.wikidata.org/wiki/Q1071806","display_name":"Provisioning","level":2,"score":0.6005940437316895},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5607873201370239},{"id":"https://openalex.org/C187590223","wikidata":"https://www.wikidata.org/wiki/Q527628","display_name":"Holography","level":2,"score":0.49936914443969727},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.46202951669692993},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3028145432472229},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.2916335463523865},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18468362092971802},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09966379404067993},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2025.3600872","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3600872","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W4224725425","https://openalex.org/W4386231167","https://openalex.org/W4390605131","https://openalex.org/W4394994552","https://openalex.org/W4398151367","https://openalex.org/W4400276528","https://openalex.org/W4405968165","https://openalex.org/W4406354432","https://openalex.org/W4406457603","https://openalex.org/W4409494574"],"related_works":["https://openalex.org/W3107204728","https://openalex.org/W4287591324","https://openalex.org/W3108503355","https://openalex.org/W3090555870","https://openalex.org/W4226420367","https://openalex.org/W2962876041","https://openalex.org/W3022820045","https://openalex.org/W2801655600","https://openalex.org/W3005627584","https://openalex.org/W4303493643"],"abstract_inverted_index":{"In":[0],"this":[1,66],"work,":[2],"we":[3,68,101],"investigate":[4],"statistical":[5,60,86],"quality-of-service":[6],"(QoS)":[7],"provisioning":[8],"in":[9,96],"a":[10,70,103,139],"downlink":[11],"reconfigurable":[12],"intelligent":[13,144],"surface":[14],"(RIS)-aided":[15],"holographic":[16],"multiple-input":[17],"multiple-output":[18],"(MIMO)":[19],"network.":[20],"Holographic":[21],"MIMO,":[22],"enabled":[23],"by":[24],"nearly":[25],"continuous":[26],"aperture":[27],"surfaces,":[28],"offers":[29],"fine-grained":[30],"beamforming":[31],"capabilities":[32],"that":[33,78,121],"can":[34],"be":[35],"leveraged":[36],"for":[37,142],"delay-sensitive":[38],"and":[39,55,62,93,134],"reliable":[40],"communication.":[41],"We":[42],"aim":[43],"to":[44,58],"optimize":[45],"discrete":[46,72,80,98],"configurations":[47],"of":[48,115],"base":[49],"station":[50],"precoding,":[51],"RIS":[52],"phase":[53],"shifts,":[54],"user-side":[56],"combiners":[57],"meet":[59],"delay":[61],"reliability":[63,135],"constraints.":[64,88],"To":[65,89],"end,":[67],"propose":[69],"novel":[71],"softmax":[73],"policy":[74,91],"gradient":[75],"(DSPG)":[76],"framework":[77],"learns":[79],"control":[81],"policies":[82],"under":[83,131],"effective":[84],"capacity-based":[85],"QoS":[87],"enhance":[90],"expressiveness":[92],"decision":[94],"quality":[95],"large":[97],"action":[99],"spaces,":[100],"integrate":[102],"generative":[104],"diffusion":[105],"model":[106],"(GDM)":[107],"into":[108],"the":[109,122],"agent":[110],"architecture,":[111],"enabling":[112],"efficient":[113],"sampling":[114],"high-quality":[116],"configurations.":[117],"Simulation":[118],"results":[119],"demonstrate":[120],"proposed":[123],"GDM-based":[124],"DSPG":[125],"significantly":[126],"outperforms":[127],"existing":[128],"baselines,":[129],"particularly":[130],"stringent":[132],"latency":[133],"requirements,":[136],"making":[137],"it":[138],"strong":[140],"candidate":[141],"next-generation":[143],"wireless":[145],"systems.":[146]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
