{"id":"https://openalex.org/W7147411080","doi":"https://doi.org/10.1109/icaiic68212.2026.11454255","title":"A Review of Proximal Policy Optimization for Uplink Multi-User SIMO-RSMA Systems","display_name":"A Review of Proximal Policy Optimization for Uplink Multi-User SIMO-RSMA Systems","publication_year":2026,"publication_date":"2026-02-24","ids":{"openalex":"https://openalex.org/W7147411080","doi":"https://doi.org/10.1109/icaiic68212.2026.11454255"},"language":null,"primary_location":{"id":"doi:10.1109/icaiic68212.2026.11454255","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icaiic68212.2026.11454255","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)","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/A5126367561","display_name":"Huy Dang Mac","orcid":null},"institutions":[{"id":"https://openalex.org/I67900169","display_name":"Chung-Ang University","ror":"https://ror.org/01r024a98","country_code":"KR","type":"education","lineage":["https://openalex.org/I67900169"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Huy Dang Mac","raw_affiliation_strings":["School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974","institution_ids":["https://openalex.org/I67900169"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126369601","display_name":"Kiet Nguyen Tuan Tran","orcid":null},"institutions":[{"id":"https://openalex.org/I67900169","display_name":"Chung-Ang University","ror":"https://ror.org/01r024a98","country_code":"KR","type":"education","lineage":["https://openalex.org/I67900169"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kiet Nguyen Tuan Tran","raw_affiliation_strings":["School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974","institution_ids":["https://openalex.org/I67900169"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126429730","display_name":"Dongwook Won","orcid":null},"institutions":[{"id":"https://openalex.org/I67900169","display_name":"Chung-Ang University","ror":"https://ror.org/01r024a98","country_code":"KR","type":"education","lineage":["https://openalex.org/I67900169"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dongwook Won","raw_affiliation_strings":["School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974","institution_ids":["https://openalex.org/I67900169"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041978875","display_name":"Sungrae Cho","orcid":"https://orcid.org/0000-0003-1879-688X"},"institutions":[{"id":"https://openalex.org/I67900169","display_name":"Chung-Ang University","ror":"https://ror.org/01r024a98","country_code":"KR","type":"education","lineage":["https://openalex.org/I67900169"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sungrae Cho","raw_affiliation_strings":["School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Chung-Ang University,Seoul,South Korea,06974","institution_ids":["https://openalex.org/I67900169"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5126367561"],"corresponding_institution_ids":["https://openalex.org/I67900169"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.87360454,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"112","last_page":"116"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9359999895095825,"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":0.9359999895095825,"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":0.02630000002682209,"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/T12079","display_name":"IoT Networks and Protocols","score":0.008799999952316284,"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/telecommunications-link","display_name":"Telecommunications link","score":0.871399998664856},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.6025999784469604},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5410000085830688},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5285999774932861},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.490200012922287},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4560000002384186},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44920000433921814}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.871399998664856},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7580999732017517},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.6025999784469604},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5410000085830688},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5285999774932861},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.490200012922287},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4560000002384186},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44920000433921814},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4490000009536743},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.43700000643730164},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4242999851703644},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.4189000129699707},{"id":"https://openalex.org/C114237682","wikidata":"https://www.wikidata.org/wiki/Q5072483","display_name":"Channel allocation schemes","level":3,"score":0.39590001106262207},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.3700999915599823},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.3553999960422516},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.31119999289512634},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.3100000023841858}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icaiic68212.2026.11454255","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icaiic68212.2026.11454255","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5025751825","display_name":null,"funder_award_id":"IITP-2026-RS-2022-00156353","funder_id":"https://openalex.org/F4320326646","funder_display_name":"Genome Alberta"},{"id":"https://openalex.org/G5954340356","display_name":null,"funder_award_id":"RS-202300209125","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320326646","display_name":"Genome Alberta","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2787255587","https://openalex.org/W3104419102","https://openalex.org/W3206671995","https://openalex.org/W3212689941","https://openalex.org/W4205161126","https://openalex.org/W4221160108","https://openalex.org/W4289792779","https://openalex.org/W4312948748","https://openalex.org/W4319303221","https://openalex.org/W4386262252","https://openalex.org/W4402041068","https://openalex.org/W4409014181","https://openalex.org/W4410473878","https://openalex.org/W4413323548"],"related_works":[],"abstract_inverted_index":{"Rate-Splitting":[0],"Multiple":[1],"Access":[2],"(RSMA)":[3],"has":[4],"emerged":[5],"as":[6,145,147],"a":[7,28,93],"powerful":[8],"multiple":[9],"access":[10],"technique":[11],"for":[12,85,99,114],"interference":[13],"management":[14],"in":[15,122],"next-generation":[16],"wireless":[17],"networks.":[18],"In":[19],"uplink":[20,86,100],"multi-user":[21,33,101],"single-input":[22],"multiple-output":[23],"(SIMO)":[24],"systems,":[25,124],"RSMA":[26,46,87],"enables":[27],"base":[29],"station":[30],"to":[31,51,80,132],"decode":[32],"transmissions":[34],"more":[35],"flexibly":[36],"by":[37],"splitting":[38],"messages":[39],"and":[40,56,118,125,142],"partially":[41],"decoding":[42,57],"interference.":[43],"Optimizing":[44],"such":[45],"systems":[47],"is":[48,140],"challenging":[49],"due":[50],"the":[52,106,111,116],"complex":[53],"resource":[54,88],"allocation":[55],"order":[58],"decisions":[59],"required,":[60],"especially":[61],"under":[62],"dynamic":[63],"channel":[64],"conditions.":[65],"Recently,":[66],"deep":[67],"reinforcement":[68],"learning":[69],"(DRL)":[70],"approaches,":[71],"particularly":[72],"Proximal":[73],"Policy":[74],"Optimization":[75],"(PPO),":[76],"have":[77],"been":[78],"applied":[79],"efficiently":[81],"learn":[82],"near-optimal":[83],"policies":[84],"allocation.":[89],"This":[90],"paper":[91],"provides":[92],"comprehensive":[94],"review":[95],"of":[96,108,137],"PPO-based":[97,128],"techniques":[98],"SIMO-RSMA":[102],"systems.":[103],"We":[104],"outline":[105],"fundamentals":[107],"SIMO-RSMA,":[109],"describe":[110],"PPO":[112],"approach":[113],"solving":[115],"sum-rate":[117],"fairness":[119],"optimization":[120],"problems":[121],"these":[123],"survey":[126],"state-of-the-art":[127],"solutions":[129],"from":[130],"2022":[131],"2025.":[133],"A":[134],"comparative":[135],"analysis":[136],"recent":[138],"studies":[139],"presented,":[141],"open":[143],"challenges":[144],"well":[146],"future":[148],"research":[149],"directions":[150],"are":[151],"discussed.":[152]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-04-02T00:00:00"}