{"id":"https://openalex.org/W4407566395","doi":"https://doi.org/10.1109/lwc.2025.3542086","title":"Computation Rate Maximization in Active RIS-Assisted Hybrid FDMA-NOMA MEC Systems: A Deep Reinforcement Learning Approach","display_name":"Computation Rate Maximization in Active RIS-Assisted Hybrid FDMA-NOMA MEC Systems: A Deep Reinforcement Learning Approach","publication_year":2025,"publication_date":"2025-02-14","ids":{"openalex":"https://openalex.org/W4407566395","doi":"https://doi.org/10.1109/lwc.2025.3542086"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2025.3542086","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3542086","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless 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":null,"display_name":"Joonsuk Ahn","orcid":null},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joonsuk Ahn","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005009720","display_name":"Danish Mehmood Mughal","orcid":"https://orcid.org/0000-0002-2000-8195"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Danish Mehmood Mughal","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-2000-8195","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009885710","display_name":"Sang\u2010Hyo Kim","orcid":"https://orcid.org/0000-0002-0660-5516"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sang-Hyo Kim","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-0660-5516","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052906389","display_name":"Min Young Chung","orcid":"https://orcid.org/0000-0002-9063-8045"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Min Young Chung","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-9063-8045","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Republic of Korea","institution_ids":["https://openalex.org/I848706"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I848706"],"apc_list":null,"apc_paid":null,"fwci":1.4349,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.7934667,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"14","issue":"5","first_page":"1346","last_page":"1350"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9995999932289124,"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":0.9995999932289124,"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/T11873","display_name":"PAPR reduction in OFDM","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/T12042","display_name":"Satellite Communication Systems","score":0.987500011920929,"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/computer-science","display_name":"Computer science","score":0.7613106966018677},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.7467467188835144},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.7275355458259583},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.6481869220733643},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6096555590629578},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45775070786476135},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.284389853477478},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18746280670166016},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1773686408996582},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.09591338038444519},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07905995845794678}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7613106966018677},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.7467467188835144},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.7275355458259583},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.6481869220733643},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6096555590629578},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45775070786476135},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.284389853477478},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18746280670166016},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1773686408996582},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.09591338038444519},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07905995845794678}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2025.3542086","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3542086","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G331157225","display_name":null,"funder_award_id":"RS-2024-00397216","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G7392775442","display_name":null,"funder_award_id":"2022R1A4A1033830","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G8689913883","display_name":null,"funder_award_id":"2022R1A4A1033830","funder_id":"https://openalex.org/F4320320671","funder_display_name":"National Research Foundation"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2624989916","https://openalex.org/W2789703398","https://openalex.org/W3025048143","https://openalex.org/W3039219915","https://openalex.org/W3092049931","https://openalex.org/W3106152053","https://openalex.org/W3154878987","https://openalex.org/W3188554269","https://openalex.org/W4285118711","https://openalex.org/W4294811347","https://openalex.org/W4313001863","https://openalex.org/W4320015895","https://openalex.org/W4390738739","https://openalex.org/W6735579001","https://openalex.org/W6741002519"],"related_works":["https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W4404253608","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545","https://openalex.org/W2076432172","https://openalex.org/W3027282085","https://openalex.org/W4287775803"],"abstract_inverted_index":{"This":[0],"letter":[1],"investigates":[2],"an":[3],"active":[4],"RIS-assisted":[5],"mobile":[6],"edge":[7],"computing":[8],"system":[9],"where":[10],"IoT":[11],"devices":[12],"(IDs)":[13],"offload":[14],"compute-intensive":[15],"tasks":[16],"to":[17,97],"a":[18,68],"base":[19],"station":[20],"under":[21],"limited":[22],"energy":[23,48],"budget.":[24],"IDs":[25],"communicate":[26],"in":[27],"pairs":[28],"leveraging":[29],"hybrid":[30],"frequency-division":[31],"and":[32,52,58,82],"nonorthogonal":[33],"multiple-access":[34],"schemes.":[35],"To":[36,61],"maximize":[37],"the":[38,47,63,75,89,92],"sum":[39],"computation":[40],"rate":[41],"of":[42,91],"IDs,":[43],"we":[44,66],"jointly":[45],"optimize":[46],"allocation":[49],"for":[50],"offloading":[51],"local":[53],"computing,":[54],"RIS":[55],"phase":[56],"shifts,":[57],"receive":[59],"beamforming.":[60],"tackle":[62],"non-convex":[64],"problem,":[65],"apply":[67],"deep":[69],"reinforcement":[70],"learning":[71],"approach":[72,94],"based":[73],"on":[74],"proximal":[76],"policy":[77],"optimization":[78],"algorithm,":[79],"ensuring":[80],"stable":[81],"efficient":[83],"training.":[84],"The":[85],"simulation":[86],"results":[87],"highlight":[88],"superiority":[90],"proposed":[93],"when":[95],"compared":[96],"benchmark":[98],"methods.":[99]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}