{"id":"https://openalex.org/W4391250505","doi":"https://doi.org/10.1109/jstsp.2024.3359009","title":"Distributed Digital Twin Migration in Multi-Tier Computing Systems","display_name":"Distributed Digital Twin Migration in Multi-Tier Computing Systems","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4391250505","doi":"https://doi.org/10.1109/jstsp.2024.3359009"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2024.3359009","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2024.3359009","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://qmro.qmul.ac.uk/xmlui/bitstream/123456789/98053/2/Zhixiong_JSTSP_24.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052435920","display_name":"Zhixiong Chen","orcid":"https://orcid.org/0000-0003-4183-8857"},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Zhixiong Chen","raw_affiliation_strings":["School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K","institution_ids":["https://openalex.org/I166337079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041458779","display_name":"Wenqiang Yi","orcid":"https://orcid.org/0000-0003-4732-5040"},"institutions":[{"id":"https://openalex.org/I110002522","display_name":"University of Essex","ror":"https://ror.org/02nkf1q06","country_code":"GB","type":"education","lineage":["https://openalex.org/I110002522"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Wenqiang Yi","raw_affiliation_strings":["School of Computer Science and Electronic Engineering, University of Essex, Colchester, U.K"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Electronic Engineering, University of Essex, Colchester, U.K","institution_ids":["https://openalex.org/I110002522"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002265731","display_name":"Arumugam Nallanathan","orcid":"https://orcid.org/0000-0001-8337-5884"},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Arumugam Nallanathan","raw_affiliation_strings":["School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K","institution_ids":["https://openalex.org/I166337079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007993661","display_name":"Jonathon A. Chambers","orcid":"https://orcid.org/0000-0002-7224-8553"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jonathon A. Chambers","raw_affiliation_strings":["School of Engineering, University of Leicester, Leicester, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering, University of Leicester, Leicester, U.K","institution_ids":["https://openalex.org/I153648349"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5052435920"],"corresponding_institution_ids":["https://openalex.org/I166337079"],"apc_list":null,"apc_paid":null,"fwci":10.5167,"has_fulltext":true,"cited_by_count":30,"citation_normalized_percentile":{"value":0.98647207,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"18","issue":"1","first_page":"109","last_page":"123"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9994000196456909,"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":0.9994000196456909,"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":0.996999979019165,"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/T10714","display_name":"Software-Defined Networks and 5G","score":0.9912999868392944,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7494725584983826},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.5534857511520386},{"id":"https://openalex.org/keywords/distributed-database","display_name":"Distributed database","score":0.47756868600845337}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7494725584983826},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.5534857511520386},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.47756868600845337}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/jstsp.2024.3359009","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2024.3359009","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:repository.essex.ac.uk:37633","is_oa":false,"landing_page_url":"https://doi.org/10.1109/JSTSP.2024.3359009","pdf_url":null,"source":{"id":"https://openalex.org/S4306401236","display_name":"Open Access at Essex (University of Essex)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I110002522","host_organization_name":"University of Essex","host_organization_lineage":["https://openalex.org/I110002522"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"},{"id":"pmh:oai:qmro.qmul.ac.uk:123456789/98053","is_oa":true,"landing_page_url":"https://qmro.qmul.ac.uk/xmlui/handle/123456789/98053","pdf_url":"https://qmro.qmul.ac.uk/xmlui/bitstream/123456789/98053/2/Zhixiong_JSTSP_24.pdf","source":{"id":"https://openalex.org/S4306400530","display_name":"Queen Mary Research Online (Queen Mary University of London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I166337079","host_organization_name":"Queen Mary University of London","host_organization_lineage":["https://openalex.org/I166337079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:qmro.qmul.ac.uk:123456789/98053","is_oa":true,"landing_page_url":"https://qmro.qmul.ac.uk/xmlui/handle/123456789/98053","pdf_url":"https://qmro.qmul.ac.uk/xmlui/bitstream/123456789/98053/2/Zhixiong_JSTSP_24.pdf","source":{"id":"https://openalex.org/S4306400530","display_name":"Queen Mary Research Online (Queen Mary University of London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I166337079","host_organization_name":"Queen Mary University of London","host_organization_lineage":["https://openalex.org/I166337079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.699999988079071,"display_name":"Reduced inequalities"}],"awards":[{"id":"https://openalex.org/G4286683158","display_name":null,"funder_award_id":"EP/W034786/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G4656405983","display_name":"Scalable Hybrid Architecture for Wireless Collaborative Federated Learning (SHAFT)","funder_award_id":"EP/W034786/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G5052111458","display_name":"Smart Solutions Towards Cellular-Connected Unmanned Aerial Vehicles System (AUTONOMY)","funder_award_id":"EP/W004100/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8914584498","display_name":null,"funder_award_id":"EP/W004100/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4391250505.pdf"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W2009303086","https://openalex.org/W2397723600","https://openalex.org/W2617547828","https://openalex.org/W2747213132","https://openalex.org/W2944311919","https://openalex.org/W2963121787","https://openalex.org/W2980350661","https://openalex.org/W2991356914","https://openalex.org/W3025279013","https://openalex.org/W3058760796","https://openalex.org/W3115015728","https://openalex.org/W3138754730","https://openalex.org/W3156295478","https://openalex.org/W3176027082","https://openalex.org/W3188569078","https://openalex.org/W3191845986","https://openalex.org/W4206220673","https://openalex.org/W4285237823","https://openalex.org/W4285411346","https://openalex.org/W4286748781","https://openalex.org/W4290973502","https://openalex.org/W4292348059","https://openalex.org/W4295308573","https://openalex.org/W4299802797","https://openalex.org/W4302931966","https://openalex.org/W4312674606","https://openalex.org/W4312918528","https://openalex.org/W4313887436","https://openalex.org/W4316660823","https://openalex.org/W4323519505","https://openalex.org/W4324290859","https://openalex.org/W4361857829","https://openalex.org/W4379742958","https://openalex.org/W4381299404","https://openalex.org/W6683204974","https://openalex.org/W6692846177","https://openalex.org/W6738796088","https://openalex.org/W6840380725","https://openalex.org/W6872168005","https://openalex.org/W6964204777"],"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/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"At":[0],"the":[1,4,23,43,55,68,100,105,126,142,186,194,218,222,240,258],"network":[2,107],"edges,":[3],"multi-tier":[5,24],"computing":[6,14,25],"framework":[7],"provides":[8],"mobile":[9],"users":[10,35,41,255],"with":[11,50],"efficient":[12],"cloud-like":[13],"and":[15,31,36,53,80,93,109,129,199,214],"signal":[16],"processing":[17],"capabilities.":[18],"Deploying":[19],"digital":[20,61,69,78,89,143,179,242],"twins":[21,79],"in":[22,42,184,226],"system":[26,44],"helps":[27],"to":[28,59,66,73,98,176,192,210,216,248,257],"realize":[29],"ultra-reliable":[30],"low-latency":[32],"interactions":[33],"between":[34,47,77,147],"their":[37,60],"virtual":[38],"objects.":[39],"Considering":[40],"may":[45],"roam":[46],"edge":[48,116],"servers":[49,117],"limited":[51],"coverage":[52],"increase":[54],"data":[56,101,251],"synchronization":[57,76,102,252],"latency":[58,253],"twins,":[62],"it":[63,152],"is":[64,190,246],"crucial":[65],"address":[67],"twin":[70,90,144,180,243],"migration":[71,121,145,181,244],"problem":[72,97,146],"enable":[74,177],"real-time":[75],"users.":[81],"To":[82,162],"this":[83,164],"end,":[84],"we":[85,123,150,166,206],"formulate":[86],"a":[87,119,154,168],"joint":[88],"migration,":[91],"communication":[92,128],"computation":[94,130],"resource":[95,131],"management":[96,132],"minimize":[99],"latency,":[103],"where":[104],"time-varying":[106],"states":[108,215],"user":[110],"mobility":[111,235],"are":[112],"considered.":[113],"By":[114],"decoupling":[115],"under":[118,221],"deterministic":[120],"strategy,":[122],"first":[124],"derive":[125],"optimal":[127],"policies":[133],"at":[134],"each":[135,197],"server":[136],"using":[137],"convex":[138],"optimization":[139],"methods.":[140],"For":[141],"different":[148],"servers,":[149],"transform":[151],"as":[153],"decentralized":[155],"partially":[156],"observable":[157],"Markov":[158],"decision":[159],"process":[160],"(Dec-POMDP).":[161],"solve":[163],"problem,":[165],"propose":[167],"novel":[169],"agent-contribution-enabled":[170],"multi-agent":[171],"reinforcement":[172],"learning":[173],"(AC-MARL)":[174],"algorithm":[175],"distributed":[178],"for":[182,254],"users,":[183],"which":[185],"counterfactual":[187],"baseline":[188],"method":[189],"adopted":[191],"characterize":[193],"contribution":[195],"of":[196],"agent":[198],"facilitate":[200],"cooperation":[201],"among":[202],"agents.":[203],"In":[204],"addition,":[205],"utilize":[207],"embedding":[208],"matrices":[209],"code":[211],"agents'":[212],"actions":[213],"release":[217],"scalability":[219],"issue":[220],"high":[223],"dimensional":[224],"state":[225],"AC-MARL.":[227],"Simulation":[228],"results":[229],"based":[230],"on":[231],"two":[232],"real-world":[233],"taxi":[234],"trace":[236],"datasets":[237],"show":[238],"that":[239],"proposed":[241],"scheme":[245],"able":[247],"reduce":[249],"23%-30%":[250],"compared":[256],"benchmark":[259],"schemes.":[260]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":8}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}