{"id":"https://openalex.org/W4392158460","doi":"https://doi.org/10.1109/globecom54140.2023.10437100","title":"QoE Optimization for VR Streaming: a Continual RL Framework in Digital Twin-empowered MEC","display_name":"QoE Optimization for VR Streaming: a Continual RL Framework in Digital Twin-empowered MEC","publication_year":2023,"publication_date":"2023-12-04","ids":{"openalex":"https://openalex.org/W4392158460","doi":"https://doi.org/10.1109/globecom54140.2023.10437100"},"language":"en","primary_location":{"id":"doi:10.1109/globecom54140.2023.10437100","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom54140.2023.10437100","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","raw_type":"proceedings-article"},"type":"conference-paper","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/A5061063770","display_name":"Jiadong Yu","orcid":"https://orcid.org/0000-0003-4773-5402"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jiadong Yu","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061551601","display_name":"Ahmad Alhilal","orcid":"https://orcid.org/0000-0002-2575-1391"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ahmad Alhilal","raw_affiliation_strings":["The Hong Kong University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038320841","display_name":"Tailin Zhou","orcid":"https://orcid.org/0000-0002-1167-9392"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Tailin Zhou","raw_affiliation_strings":["The Hong Kong University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029925982","display_name":"Pan Hui","orcid":"https://orcid.org/0000-0002-0848-2599"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Pan Hui","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou)","The Hong Kong University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou)","institution_ids":[]},{"raw_affiliation_string":"The Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040138091","display_name":"Danny H. K. Tsang","orcid":"https://orcid.org/0000-0003-0135-7098"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Danny H.K. Tsang","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou)","The Hong Kong University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou)","institution_ids":[]},{"raw_affiliation_string":"The Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"6249","last_page":"6254"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10763","display_name":"Digital Transformation in Industry","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9381999969482422,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7585322856903076},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.5194820165634155},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3502327799797058},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.3283323645591736}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7585322856903076},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.5194820165634155},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3502327799797058},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.3283323645591736}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/globecom54140.2023.10437100","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom54140.2023.10437100","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-139343","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-139343","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1978421850","https://openalex.org/W2530054299","https://openalex.org/W2751904527","https://openalex.org/W2755405751","https://openalex.org/W3080667742","https://openalex.org/W3117215073","https://openalex.org/W3130503957","https://openalex.org/W3133913697","https://openalex.org/W3156616533","https://openalex.org/W3172890132","https://openalex.org/W3200711151","https://openalex.org/W4221155775","https://openalex.org/W4309392349","https://openalex.org/W4312940001"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2059650074","https://openalex.org/W4285504728"],"abstract_inverted_index":{"Mobile":[0],"edge":[1,62],"computing":[2,63,89],"(MEC)":[3],"resource":[4,21,49],"allocation":[5,22,50,87],"for":[6,17,51],"remote":[7],"rendering":[8],"in":[9,35,116,155,174],"virtual":[10],"reality":[11],"(VR)":[12],"content":[13,54],"streaming":[14,115],"is":[15],"critical":[16],"user":[18],"experience.":[19],"However,":[20],"becomes":[23],"challenging":[24],"due":[25],"to":[26,76,109,148],"the":[27,30,78,86,95,99,122,127,150,156,172,188,201],"desynchronization":[28],"between":[29],"physical":[31],"and":[32,66,90,129,168,180,191],"digital":[33,36,60],"worlds":[34],"twin-empowered":[37,61],"MEC.":[38],"This":[39,83],"paper":[40],"presents":[41],"our":[42],"continual":[43,105,142,153],"RL":[44],"framework":[45],"that":[46,71],"facilitates":[47],"dynamic":[48],"MEC-enabled":[52],"VR":[53,100,114],"streaming.":[55],"We":[56,102,120,134,162],"first":[57],"design":[58],"a":[59,68,117],"(DTEC)":[64],"system":[65,198],"formulate":[67],"maximization":[69],"problem":[70,84],"considers":[72],"attention-based":[73,96,112],"resolution":[74,97,113],"perception":[75],"maximize":[77],"quality":[79],"of":[80,88,98,152,158,176,204],"experience":[81,139],"(QoE).":[82],"optimizes":[85],"bandwidth":[91],"resources":[92],"while":[93,196],"adapting":[94],"content.":[101],"then":[103],"apply":[104],"reinforcement":[106],"learning":[107,154],"(CRL)":[108],"enable":[110],"adaptive":[111],"time-varying":[118,159],"environment.":[119],"base":[121],"CRL's":[123],"reward":[124],"function":[125],"on":[126],"QoE":[128,131],"horizon-fairness":[130],"(hfQoE)":[132],"constraints.":[133],"support":[135],"CRL":[136],"with":[137,200],"prioritized":[138],"replay":[140],"-":[141],"deep":[143],"deterministic":[144],"policy":[145],"gradient":[146],"(PER-CDDPG)":[147],"enhance":[149],"performance":[151,192],"presence":[157],"DT":[160],"updates.":[161],"test":[163],"PER-CDDPG":[164,170],"using":[165],"extensive":[166],"experiments":[167],"evaluation.":[169],"outperforms":[171],"benchmarks":[173],"terms":[175],"average":[177],"latency,":[178],"QoE,":[179],"successful":[181],"delivery":[182],"rate":[183],"as":[184,186],"well":[185],"meeting":[187],"hfQoE":[189],"requirements":[190],"over":[193],"long-term":[194],"execution":[195],"ensuring":[197],"scalability":[199],"increasing":[202],"number":[203],"users.":[205]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
