{"id":"https://openalex.org/W4387350618","doi":"https://doi.org/10.1109/tmm.2023.3321439","title":"DACOD360: Deadline-Aware Content Delivery for 360-Degree Video Streaming Over MEC Networks","display_name":"DACOD360: Deadline-Aware Content Delivery for 360-Degree Video Streaming Over MEC Networks","publication_year":2023,"publication_date":"2023-10-04","ids":{"openalex":"https://openalex.org/W4387350618","doi":"https://doi.org/10.1109/tmm.2023.3321439"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2023.3321439","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2023.3321439","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Transactions on Multimedia","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/A5048357184","display_name":"Xiaobin Tan","orcid":"https://orcid.org/0000-0001-7489-2839"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaobin Tan","raw_affiliation_strings":["Department of Automation, University of Science and Technology of China (USTC), Hefei, China"],"affiliations":[{"raw_affiliation_string":"Department of Automation, University of Science and Technology of China (USTC), Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101516759","display_name":"Shunyi Wang","orcid":"https://orcid.org/0000-0002-7149-8884"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shunyi Wang","raw_affiliation_strings":["Department of Automation, University of Science and Technology of China (USTC), Hefei, China"],"affiliations":[{"raw_affiliation_string":"Department of Automation, University of Science and Technology of China (USTC), Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101758194","display_name":"Xiang Xu","orcid":"https://orcid.org/0009-0003-3291-3445"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Xu","raw_affiliation_strings":["Department of Automation, University of Science and Technology of China (USTC), Hefei, China"],"affiliations":[{"raw_affiliation_string":"Department of Automation, University of Science and Technology of China (USTC), Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101678403","display_name":"Quan Zheng","orcid":"https://orcid.org/0000-0002-8736-1161"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Quan Zheng","raw_affiliation_strings":["Department of Automation, University of Science and Technology of China (USTC), Hefei, China"],"affiliations":[{"raw_affiliation_string":"Department of Automation, University of Science and Technology of China (USTC), Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083577000","display_name":"Jian Yang","orcid":"https://orcid.org/0000-0002-7329-4738"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Yang","raw_affiliation_strings":["Department of Automation, University of Science and Technology of China (USTC), Hefei, China"],"affiliations":[{"raw_affiliation_string":"Department of Automation, University of Science and Technology of China (USTC), Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045720734","display_name":"Shuangwu Chen","orcid":"https://orcid.org/0000-0003-2817-9738"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuangwu Chen","raw_affiliation_strings":["Department of Automation, University of Science and Technology of China (USTC), Hefei, China"],"affiliations":[{"raw_affiliation_string":"Department of Automation, University of Science and Technology of China (USTC), Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5048357184"],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":1.4004,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.82707672,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"26","issue":null,"first_page":"4168","last_page":"4182"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998000264167786,"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/T11478","display_name":"Caching and Content Delivery","score":0.9998000264167786,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9905999898910522,"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":0.9208338260650635},{"id":"https://openalex.org/keywords/quality-of-experience","display_name":"Quality of experience","score":0.693228006362915},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6493330597877502},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5182847380638123},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.5026068687438965},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4916761517524719},{"id":"https://openalex.org/keywords/mobile-edge-computing","display_name":"Mobile edge computing","score":0.4805615246295929},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.47136178612709045},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.46314355731010437},{"id":"https://openalex.org/keywords/bandwidth-allocation","display_name":"Bandwidth allocation","score":0.4581136107444763},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.45777010917663574},{"id":"https://openalex.org/keywords/video-quality","display_name":"Video quality","score":0.42505836486816406},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.41388705372810364},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.37506115436553955},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.35759425163269043},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.14158537983894348}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9208338260650635},{"id":"https://openalex.org/C2779333187","wikidata":"https://www.wikidata.org/wiki/Q3132648","display_name":"Quality of experience","level":3,"score":0.693228006362915},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6493330597877502},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5182847380638123},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.5026068687438965},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4916761517524719},{"id":"https://openalex.org/C2776061582","wikidata":"https://www.wikidata.org/wiki/Q25325231","display_name":"Mobile edge computing","level":3,"score":0.4805615246295929},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.47136178612709045},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.46314355731010437},{"id":"https://openalex.org/C200157131","wikidata":"https://www.wikidata.org/wiki/Q4854763","display_name":"Bandwidth allocation","level":3,"score":0.4581136107444763},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.45777010917663574},{"id":"https://openalex.org/C103910844","wikidata":"https://www.wikidata.org/wiki/Q2631256","display_name":"Video quality","level":3,"score":0.42505836486816406},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.41388705372810364},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.37506115436553955},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.35759425163269043},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.14158537983894348},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2023.3321439","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2023.3321439","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Transactions on Multimedia","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1347616826","display_name":null,"funder_award_id":"62341113","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4835101305","display_name":null,"funder_award_id":"62101525","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6308808780","display_name":null,"funder_award_id":"62021001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1987497363","https://openalex.org/W2009708702","https://openalex.org/W2027622574","https://openalex.org/W2042455779","https://openalex.org/W2055165550","https://openalex.org/W2112053513","https://openalex.org/W2127034683","https://openalex.org/W2165450954","https://openalex.org/W2172073677","https://openalex.org/W2523094016","https://openalex.org/W2527384707","https://openalex.org/W2561715741","https://openalex.org/W2561715836","https://openalex.org/W2590526842","https://openalex.org/W2623181870","https://openalex.org/W2735181821","https://openalex.org/W2744628735","https://openalex.org/W2766324256","https://openalex.org/W2784711283","https://openalex.org/W2793523435","https://openalex.org/W2896595273","https://openalex.org/W2896840651","https://openalex.org/W2901851646","https://openalex.org/W2909444676","https://openalex.org/W2918877291","https://openalex.org/W2920378308","https://openalex.org/W2923353740","https://openalex.org/W2962850461","https://openalex.org/W2963197439","https://openalex.org/W2979447669","https://openalex.org/W3009393808","https://openalex.org/W3014381164","https://openalex.org/W3017189976","https://openalex.org/W3021415129","https://openalex.org/W3038754372","https://openalex.org/W3080191980","https://openalex.org/W3093291543","https://openalex.org/W3105022665","https://openalex.org/W3126900055","https://openalex.org/W3135533221","https://openalex.org/W3206341804","https://openalex.org/W4210795263","https://openalex.org/W4221123607","https://openalex.org/W4288370107","https://openalex.org/W4322577687","https://openalex.org/W6692846177","https://openalex.org/W6742007509"],"related_works":["https://openalex.org/W2765987083","https://openalex.org/W2883239366","https://openalex.org/W1543922763","https://openalex.org/W3127182254","https://openalex.org/W2737069248","https://openalex.org/W2957693277","https://openalex.org/W2914450980","https://openalex.org/W3009831317","https://openalex.org/W1971541619","https://openalex.org/W2542002904"],"abstract_inverted_index":{"The":[0],"proliferation":[1],"of":[2,17,96,102,168,184],"360-degree":[3,58],"video":[4,59],"applications":[5],"has":[6,31],"brought":[7],"significant":[8],"challenges":[9,67],"to":[10,92],"existing":[11],"networks.":[12,63],"To":[13,64,135],"meet":[14],"the":[15,57,66,82,94,100,124,132,140,171,179],"requirements":[16],"high":[18,25],"transmission":[19],"rate,":[20],"low":[21],"interaction":[22],"latency,":[23],"and":[24,40,77,107,127,146,155,170,189],"reliability,":[26],"Mobile":[27],"Edge":[28],"Computing":[29],"(MEC)":[30],"emerged":[32],"as":[33,69,86],"a":[34,51,87,113,165],"promising":[35],"technology":[36],"that":[37,117,174],"enables":[38],"caching":[39],"processing":[41],"at":[42,123,131],"network":[43,103],"edges.":[44],"In":[45],"this":[46],"article,":[47],"we":[48,80,138],"present":[49],"DACOD360,":[50],"deadline-aware":[52,83],"content":[53],"delivery":[54,84],"system":[55],"for":[56],"streaming":[60],"over":[61],"MEC":[62],"address":[65],"such":[68],"unpredictable":[70],"viewports,":[71],"uneven":[72],"cached":[73],"tiles,":[74],"concurrent":[75],"requests,":[76],"dynamic":[78],"bandwidth,":[79,104],"formulate":[81],"problem":[85,111,142],"long-term":[88,185],"integer":[89],"program":[90],"model":[91],"maximize":[93],"Quality":[95],"Experience":[97],"(QoE)":[98],"under":[99],"constraints":[101],"cache":[105],"capacity,":[106],"deadline.":[108],"This":[109],"optimization":[110],"is":[112],"complex":[114],"sequential":[115],"decision":[116],"considers":[118],"both":[119],"deadline-constrained":[120],"service":[121],"quality":[122],"temporal":[125],"scale":[126],"multi-user":[128],"resource":[129],"allocation":[130],"spatial":[133],"scale.":[134],"solve":[136,147],"it,":[137],"decompose":[139],"original":[141],"into":[143],"two":[144],"sub-problems":[145],"them":[148],"iteratively":[149],"using":[150],"Deep":[151],"Reinforcement":[152],"Learning":[153],"(DRL)":[154],"Cooperative":[156],"Bargaining":[157],"Game":[158],"(CBG).":[159],"Comprehensive":[160],"experiments":[161],"are":[162],"conducted":[163],"in":[164,182],"wide":[166],"variety":[167],"environments,":[169],"results":[172],"demonstrate":[173],"our":[175],"proposed":[176],"scheme":[177],"outperforms":[178],"state-of-the-art":[180],"schemes":[181],"terms":[183],"QoE,":[186],"traffic":[187],"reduction,":[188],"other":[190],"metrics.":[191]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}
