{"id":"https://openalex.org/W4415743579","doi":"https://doi.org/10.1109/tbc.2025.3622364","title":"Playback Optimization for 360\u00b0 Live Streaming via Bitrate Estimation and Download Scheduling","display_name":"Playback Optimization for 360\u00b0 Live Streaming via Bitrate Estimation and Download Scheduling","publication_year":2025,"publication_date":"2025-10-31","ids":{"openalex":"https://openalex.org/W4415743579","doi":"https://doi.org/10.1109/tbc.2025.3622364"},"language":null,"primary_location":{"id":"doi:10.1109/tbc.2025.3622364","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2025.3622364","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"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 Broadcasting","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/A5101944426","display_name":"Tao Lin","orcid":"https://orcid.org/0000-0003-1170-636X"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Tao Lin","raw_affiliation_strings":["State Key Laboratory of Media Convergence and Communication, Communication University of China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Media Convergence and Communication, Communication University of China, Beijing, China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026648196","display_name":"Zipeng Pan","orcid":"https://orcid.org/0009-0007-8647-4731"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zipeng Pan","raw_affiliation_strings":["School of Information and Communication Engineering, Communication University of China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Communication University of China, Beijing, China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072588269","display_name":"Yuhong Xie","orcid":"https://orcid.org/0000-0002-5366-739X"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhong Xie","raw_affiliation_strings":["School of Information and Communication Engineering, Communication University of China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Communication University of China, Beijing, China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067423633","display_name":"Yuan Zhang","orcid":"https://orcid.org/0000-0003-3783-7974"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Zhang","raw_affiliation_strings":["State Key Laboratory of Media Convergence and Communication, Communication University of China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Media Convergence and Communication, Communication University of China, Beijing, China","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000470166","display_name":"Yin Xu","orcid":"https://orcid.org/0000-0003-4429-5982"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yin Xu","raw_affiliation_strings":["Cooperative Medianet Innovation Center, School of Information Science and Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Cooperative Medianet Innovation Center, School of Information Science and Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101944426"],"corresponding_institution_ids":["https://openalex.org/I75689368"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.32266558,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"72","issue":"1","first_page":"156","last_page":"169"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9688000082969666,"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"}},"topics":[{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9688000082969666,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.012600000016391277,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11605","display_name":"Visual Attention and Saliency Detection","score":0.002899999963119626,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5220000147819519},{"id":"https://openalex.org/keywords/constant-bitrate","display_name":"Constant bitrate","score":0.5205000042915344},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.45399999618530273},{"id":"https://openalex.org/keywords/download","display_name":"Download","score":0.43779999017715454},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.4072999954223633},{"id":"https://openalex.org/keywords/quality-of-experience","display_name":"Quality of experience","score":0.3939000070095062},{"id":"https://openalex.org/keywords/bit-rate","display_name":"Bit rate","score":0.3806000053882599},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.37389999628067017}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.836899995803833},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5486000180244446},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5220000147819519},{"id":"https://openalex.org/C34339180","wikidata":"https://www.wikidata.org/wiki/Q1325924","display_name":"Constant bitrate","level":4,"score":0.5205000042915344},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.45399999618530273},{"id":"https://openalex.org/C2780154274","wikidata":"https://www.wikidata.org/wiki/Q7126717","display_name":"Download","level":2,"score":0.43779999017715454},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.4072999954223633},{"id":"https://openalex.org/C2779333187","wikidata":"https://www.wikidata.org/wiki/Q3132648","display_name":"Quality of experience","level":3,"score":0.3939000070095062},{"id":"https://openalex.org/C2987812609","wikidata":"https://www.wikidata.org/wiki/Q194158","display_name":"Bit rate","level":2,"score":0.3806000053882599},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.37389999628067017},{"id":"https://openalex.org/C103910844","wikidata":"https://www.wikidata.org/wiki/Q2631256","display_name":"Video quality","level":3,"score":0.3653999865055084},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3540000021457672},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.35120001435279846},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.3488999903202057},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34610000252723694},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.31540000438690186},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.314300000667572},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.30709999799728394},{"id":"https://openalex.org/C2776741261","wikidata":"https://www.wikidata.org/wiki/Q3027665","display_name":"Live streaming","level":2,"score":0.29249998927116394},{"id":"https://openalex.org/C95713431","wikidata":"https://www.wikidata.org/wiki/Q631425","display_name":"Vulnerability (computing)","level":2,"score":0.2816999852657318},{"id":"https://openalex.org/C57667952","wikidata":"https://www.wikidata.org/wiki/Q1154443","display_name":"Variable bitrate","level":3,"score":0.27559998631477356},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.2703000009059906},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.25699999928474426},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.25119999051094055}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tbc.2025.3622364","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2025.3622364","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"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 Broadcasting","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1975952984","https://openalex.org/W2033072307","https://openalex.org/W2055165550","https://openalex.org/W2064675550","https://openalex.org/W2317739826","https://openalex.org/W2523094016","https://openalex.org/W2604382266","https://openalex.org/W2622637199","https://openalex.org/W2744628735","https://openalex.org/W2766324256","https://openalex.org/W2769903392","https://openalex.org/W2896840651","https://openalex.org/W2897460799","https://openalex.org/W2902391434","https://openalex.org/W2918877291","https://openalex.org/W2920378308","https://openalex.org/W2951750171","https://openalex.org/W3005647066","https://openalex.org/W3092921689","https://openalex.org/W3093291543","https://openalex.org/W3123231801","https://openalex.org/W3145718430","https://openalex.org/W3159074940","https://openalex.org/W3188452751","https://openalex.org/W3205285744","https://openalex.org/W4210920281","https://openalex.org/W4285162098","https://openalex.org/W4285285990","https://openalex.org/W4285506370","https://openalex.org/W4293794975","https://openalex.org/W4297957988","https://openalex.org/W4300071529","https://openalex.org/W4304080524","https://openalex.org/W4306178276","https://openalex.org/W4317796966","https://openalex.org/W4377008005","https://openalex.org/W4379378564","https://openalex.org/W4385245566","https://openalex.org/W4386160479","https://openalex.org/W4386243233","https://openalex.org/W4386397263","https://openalex.org/W4389776659","https://openalex.org/W4391590983","https://openalex.org/W4393034711","https://openalex.org/W4394730830"],"related_works":[],"abstract_inverted_index":{"The":[0],"growing":[1],"popularity":[2],"of":[3,39,60,107,115,126,149,186,198],"virtual":[4],"reality":[5],"(VR)":[6],"applications":[7,29],"and":[8,42,72,141,219],"head-mounted":[9],"displays":[10],"(HMDs)":[11],"has":[12],"significantly":[13],"increased":[14],"the":[15,36,108,113,123,146,159,162,182,206],"demand":[16],"for":[17,89,100],"360-degree":[18,90,116],"live":[19,61,91],"streaming.":[20,93],"However,":[21],"delivering":[22],"a":[23,31,82,132],"premier":[24],"immersive":[25],"experience":[26,199],"in":[27,112],"such":[28,64],"remains":[30],"challenge,":[32],"primarily":[33],"due":[34],"to":[35,51,70,120,136,153,170,203],"stringent":[37],"requirements":[38],"ultra-high":[40],"bandwidth":[41],"ultra-low":[43],"latency.":[44],"Although":[45],"several":[46],"methods":[47],"have":[48],"been":[49],"developed":[50],"address":[52],"these":[53,78,127,172],"problems,":[54],"many":[55],"overlook":[56],"essential":[57],"practical":[58],"aspects":[59],"streaming":[62],"scenarios,":[63],"as":[65],"significant":[66],"bitrate":[67,101,139],"fluctuations,":[68],"vulnerability":[69],"rebuffering,":[71],"substantial":[73],"computational":[74,184],"demands.":[75],"To":[76],"overcome":[77],"limitations,":[79],"we":[80,95,130,166],"propose":[81],"novel":[83],"playback":[84,155],"optimization":[85],"framework,":[86],"LivePano,":[87],"tailored":[88],"video":[92],"Specifically,":[94],"first":[96],"design":[97],"an":[98],"approach":[99],"estimation":[102],"that":[103,193],"utilizes":[104],"our":[105],"understanding":[106],"spatio-temporal":[109],"correlations":[110],"found":[111],"tiles":[114,152],"videos,":[117],"allowing":[118],"us":[119],"accurately":[121],"predict":[122],"actual":[124],"bitrates":[125],"tiles.":[128],"Then,":[129],"develop":[131],"cascaded":[133],"DRL-based":[134],"technique":[135],"sequentially":[137],"perform":[138],"adaptation":[140],"download":[142],"scheduling.":[143],"This":[144],"enables":[145],"active":[147],"skipping":[148],"certain":[150],"peripheral":[151],"reduce":[154],"stalls":[156],"while":[157,214],"minimizing":[158],"impact":[160],"on":[161],"user":[163],"experience.":[164],"Finally,":[165],"employ":[167],"imitation":[168],"learning":[169],"distill":[171],"DRL":[173],"models":[174],"into":[175],"computationally":[176],"efficient":[177],"decision":[178,217],"trees,":[179],"thereby":[180],"accommodating":[181],"diverse":[183],"capabilities":[185],"mobile":[187],"devices.":[188],"Extensive":[189],"experimental":[190],"results":[191],"demonstrate":[192],"LivePano":[194],"improves":[195],"overall":[196],"quality":[197],"(QoE)":[200],"by":[201],"39.4%":[202],"192.4%":[204],"over":[205],"best-performing":[207],"baseline":[208],"algorithm":[209],"across":[210],"various":[211],"network":[212],"conditions,":[213],"maintaining":[215],"minimal":[216],"delay":[218],"CPU":[220],"usage.":[221]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-31T00:00:00"}
