{"id":"https://openalex.org/W3206341804","doi":"https://doi.org/10.1109/jsac.2021.3119144","title":"Buffer-Aware Virtual Reality Video Streaming With Personalized and Private Viewport Prediction","display_name":"Buffer-Aware Virtual Reality Video Streaming With Personalized and Private Viewport Prediction","publication_year":2021,"publication_date":"2021-10-11","ids":{"openalex":"https://openalex.org/W3206341804","doi":"https://doi.org/10.1109/jsac.2021.3119144","mag":"3206341804"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2021.3119144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2021.3119144","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 on Selected Areas in Communications","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/A5100439282","display_name":"Ran Zhang","orcid":"https://orcid.org/0000-0001-7666-0599"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ran Zhang","raw_affiliation_strings":["Purple Mountain Laboratories, Nanjing, China","State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7666-0599","affiliations":[{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]},{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100325222","display_name":"Jiang Liu","orcid":"https://orcid.org/0000-0002-0729-1299"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiang Liu","raw_affiliation_strings":["Purple Mountain Laboratories, Nanjing, China","State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0729-1299","affiliations":[{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]},{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084534230","display_name":"Fangqi Liu","orcid":"https://orcid.org/0000-0002-5983-7257"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangqi Liu","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5983-7257","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087767046","display_name":"Tao Huang","orcid":"https://orcid.org/0000-0002-3545-1122"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Huang","raw_affiliation_strings":["Purple Mountain Laboratories, Nanjing, China","State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3545-1122","affiliations":[{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]},{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062797615","display_name":"Qinqin Tang","orcid":"https://orcid.org/0000-0002-3930-7005"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qinqin Tang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3930-7005","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054814598","display_name":"Shangguang Wang","orcid":"https://orcid.org/0000-0001-7245-1298"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shangguang Wang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7245-1298","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100420016","display_name":"F. Richard Yu","orcid":"https://orcid.org/0000-0003-1006-7594"},"institutions":[{"id":"https://openalex.org/I67031392","display_name":"Carleton University","ror":"https://ror.org/02qtvee93","country_code":"CA","type":"education","lineage":["https://openalex.org/I67031392"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"F. Richard Yu","raw_affiliation_strings":["Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0003-1006-7594","affiliations":[{"raw_affiliation_string":"Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada","institution_ids":["https://openalex.org/I67031392"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.5803,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":{"value":0.94401368,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"40","issue":"2","first_page":"694","last_page":"709"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9973000288009644,"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/T11478","display_name":"Caching and Content Delivery","score":0.9864000082015991,"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/viewport","display_name":"Viewport","score":0.8933351039886475},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8685168027877808},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.6511737704277039},{"id":"https://openalex.org/keywords/video-streaming","display_name":"Video streaming","score":0.5726032853126526},{"id":"https://openalex.org/keywords/buffer","display_name":"Buffer (optical fiber)","score":0.47914761304855347},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.46683230996131897},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3393707871437073},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.323181688785553},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.27376890182495117},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10671135783195496}],"concepts":[{"id":"https://openalex.org/C2778090530","wikidata":"https://www.wikidata.org/wiki/Q2523931","display_name":"Viewport","level":2,"score":0.8933351039886475},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8685168027877808},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.6511737704277039},{"id":"https://openalex.org/C2986160907","wikidata":"https://www.wikidata.org/wiki/Q220499","display_name":"Video streaming","level":2,"score":0.5726032853126526},{"id":"https://openalex.org/C145018004","wikidata":"https://www.wikidata.org/wiki/Q4985944","display_name":"Buffer (optical fiber)","level":2,"score":0.47914761304855347},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.46683230996131897},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3393707871437073},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.323181688785553},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.27376890182495117},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10671135783195496}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2021.3119144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2021.3119144","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1476920964","display_name":null,"funder_award_id":"2018YFB1800501","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W41554520","https://openalex.org/W1907356258","https://openalex.org/W2045094735","https://openalex.org/W2075750833","https://openalex.org/W2145339207","https://openalex.org/W2469524028","https://openalex.org/W2596760110","https://openalex.org/W2605285283","https://openalex.org/W2623181870","https://openalex.org/W2624989916","https://openalex.org/W2784711283","https://openalex.org/W2809354975","https://openalex.org/W2887223659","https://openalex.org/W2895957446","https://openalex.org/W2896449077","https://openalex.org/W2896840651","https://openalex.org/W2897460799","https://openalex.org/W2901851646","https://openalex.org/W2910112150","https://openalex.org/W2912213068","https://openalex.org/W2914403288","https://openalex.org/W2943420393","https://openalex.org/W2945507395","https://openalex.org/W2954684697","https://openalex.org/W2962896865","https://openalex.org/W2963439135","https://openalex.org/W2964942120","https://openalex.org/W2968289224","https://openalex.org/W2970759804","https://openalex.org/W2975296300","https://openalex.org/W2982946777","https://openalex.org/W2994684563","https://openalex.org/W3007345209","https://openalex.org/W3081459285","https://openalex.org/W3094338163","https://openalex.org/W3120024257","https://openalex.org/W3135218110","https://openalex.org/W6601295022","https://openalex.org/W6677939520","https://openalex.org/W6685444567","https://openalex.org/W6767067800","https://openalex.org/W6771652451","https://openalex.org/W6773595200","https://openalex.org/W6774120287"],"related_works":["https://openalex.org/W4389095575","https://openalex.org/W2908978341","https://openalex.org/W4294975495","https://openalex.org/W2992753629","https://openalex.org/W3161069372","https://openalex.org/W3171203216","https://openalex.org/W2953145693","https://openalex.org/W4400649593","https://openalex.org/W4403863317","https://openalex.org/W2765219117"],"abstract_inverted_index":{"Viewport":[0],"prediction":[1,21,44,58,180,191],"and":[2,36,49,111,173,181,193],"prefetch":[3],"have":[4],"an":[5],"important":[6],"influence":[7],"on":[8],"VR":[9,31,55,68,89,130,182,194],"video":[10,56],"streaming":[11,69,183],"performance.":[12],"This":[13],"work":[14],"proposes":[15],"a":[16,30,47,60,157],"novel":[17,161],"federated":[18],"learning-based":[19],"viewport":[20,57,179],"model":[22,45],"training":[23],"algorithm,":[24],"ComPer-FedAvg.":[25],"The":[26,116],"proposed":[27,178],"algorithm":[28,165],"leverages":[29],"video\u2019s":[32],"common":[33],"viewing":[34,39,90,131,195],"pattern":[35],"users\u2019":[37,151],"personal":[38],"patterns":[40],"to":[41,65,82,84,125,128,138,168],"train":[42],"the":[43,54,67,86,95,104,129,139,170,177],"in":[46,188],"distributed":[48],"privacy-preserving":[50],"manner.":[51],"Further,":[52],"considering":[53],"accuracy,":[59],"stochastic":[61],"game":[62],"is":[63,97,166],"formulated":[64],"solve":[66,169],"network\u2019s":[70],"communication":[71,77],"resource":[72,78],"allocation":[73],"problem,":[74],"where":[75],"limited":[76],"blocks":[79],"are":[80],"auctioned":[81],"users":[83,145],"achieve":[85],"optimal":[87,105,117],"overall":[88],"experience.":[91,196],"For":[92],"each":[93],"user,":[94],"auction":[96],"decomposed":[98],"into":[99],"two":[100],"disjoint":[101],"subproblems,":[102],"namely,":[103],"number":[106],"of":[107,141,190],"data":[108,135,147,152],"rate":[109,153],"requesting":[110,154],"true":[112,118],"value":[113,119],"claiming":[114,120],"(bidding).":[115],"has":[121],"been":[122],"analytically":[123],"proved":[124],"be":[126],"equal":[127],"reward":[132],"with":[133],"given":[134],"rate.":[136],"Due":[137],"lack":[140],"global":[142],"information":[143],"when":[144],"request":[146],"rate,":[148],"we":[149],"reformulate":[150],"problem":[155],"as":[156],"POMDP":[158],"problem.":[159,171],"A":[160],"deep":[162],"reinforcement":[163],"learning":[164],"adopted":[167],"Evaluation":[172],"simulation":[174],"results":[175],"show":[176],"schemes":[184],"outperform":[185],"conventional":[186],"solutions":[187],"terms":[189],"accuracy":[192]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":12}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
