{"id":"https://openalex.org/W2891799918","doi":"https://doi.org/10.1109/access.2018.2868766","title":"D2D-Assisted VR Video Pre-Caching Strategy","display_name":"D2D-Assisted VR Video Pre-Caching Strategy","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2891799918","doi":"https://doi.org/10.1109/access.2018.2868766","mag":"2891799918"},"language":"en","primary_location":{"id":"doi:10.1109/access.2018.2868766","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2868766","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2018.2868766","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060964250","display_name":"Hongcheng Huang","orcid":"https://orcid.org/0000-0002-4249-8658"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hongcheng Huang","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013037899","display_name":"Biao Liu","orcid":"https://orcid.org/0000-0003-3059-2054"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Biao Liu","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100333516","display_name":"Lei Chen","orcid":"https://orcid.org/0000-0002-8257-5806"},"institutions":[{"id":"https://openalex.org/I39815113","display_name":"Georgia Southern University","ror":"https://ror.org/04agmb972","country_code":"US","type":"education","lineage":["https://openalex.org/I39815113"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lei Chen","raw_affiliation_strings":["Georgia Southern University, Statesboro, GA, USA"],"affiliations":[{"raw_affiliation_string":"Georgia Southern University, Statesboro, GA, USA","institution_ids":["https://openalex.org/I39815113"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102895836","display_name":"Wei Xiang","orcid":"https://orcid.org/0000-0002-4490-2511"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Xiang","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101970277","display_name":"Min Hu","orcid":"https://orcid.org/0000-0002-5451-2744"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Hu","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060493155","display_name":"Yang Tao","orcid":"https://orcid.org/0000-0002-9535-464X"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Tao","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5060964250"],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.1706,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.81664235,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"6","issue":null,"first_page":"61886","last_page":"61895"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9952999949455261,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9909999966621399,"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":0.878396213054657},{"id":"https://openalex.org/keywords/quality-of-experience","display_name":"Quality of experience","score":0.7750653028488159},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.626467227935791},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5330297946929932},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.4971981346607208},{"id":"https://openalex.org/keywords/user-experience-design","display_name":"User experience design","score":0.44588202238082886},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.43636494874954224},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4361618161201477},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.4344952702522278},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.4151310920715332},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4049531817436218},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3708934187889099},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.27169740200042725},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.24030843377113342},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09438523650169373}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.878396213054657},{"id":"https://openalex.org/C2779333187","wikidata":"https://www.wikidata.org/wiki/Q3132648","display_name":"Quality of experience","level":3,"score":0.7750653028488159},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.626467227935791},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5330297946929932},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.4971981346607208},{"id":"https://openalex.org/C201025465","wikidata":"https://www.wikidata.org/wiki/Q11248500","display_name":"User experience design","level":2,"score":0.44588202238082886},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.43636494874954224},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4361618161201477},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.4344952702522278},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.4151310920715332},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4049531817436218},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3708934187889099},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.27169740200042725},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.24030843377113342},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09438523650169373},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2018.2868766","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2868766","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:139d19de18a04a8b8d2731e5e284ade0","is_oa":true,"landing_page_url":"https://doaj.org/article/139d19de18a04a8b8d2731e5e284ade0","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 6, Pp 61886-61895 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2018.2868766","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2868766","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.699999988079071,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G6156305567","display_name":null,"funder_award_id":"61371097","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1964721119","https://openalex.org/W1980906071","https://openalex.org/W2011225642","https://openalex.org/W2020665443","https://openalex.org/W2051773775","https://openalex.org/W2055376552","https://openalex.org/W2081487091","https://openalex.org/W2088599288","https://openalex.org/W2104846640","https://openalex.org/W2181721648","https://openalex.org/W2187845479","https://openalex.org/W2301955098","https://openalex.org/W2314048858","https://openalex.org/W2584154737","https://openalex.org/W2587823126","https://openalex.org/W2606281810","https://openalex.org/W2609445338","https://openalex.org/W2626948743","https://openalex.org/W2724526674","https://openalex.org/W2739984274","https://openalex.org/W2753905570","https://openalex.org/W2767072011","https://openalex.org/W2803353561","https://openalex.org/W7061868223"],"related_works":["https://openalex.org/W2368605798","https://openalex.org/W2518037665","https://openalex.org/W2348524959","https://openalex.org/W2477036161","https://openalex.org/W2368049389","https://openalex.org/W2765987083","https://openalex.org/W3200278794","https://openalex.org/W2884268961","https://openalex.org/W1978514417","https://openalex.org/W3172260756"],"abstract_inverted_index":{"Along":[0],"with":[1,207,243],"the":[2,27,44,49,57,72,75,84,95,120,135,150,153,172,190,194,199,202,216,233,244],"advances":[3],"of":[4,34,52,60,77,90,149,155,174,185,201,235],"virtual":[5],"reality":[6],"(VR)":[7],"technologies,":[8],"VR":[9,22,47,54,61,91,100,132],"applications":[10],"are":[11],"found":[12],"in":[13],"various":[14],"fields.":[15],"For":[16],"example,":[17],"at":[18,124,134],"many":[19],"major":[20],"exhibitions,":[21],"is":[23,104,114,161],"used":[24],"to":[25,38,137,182,189,220],"mimic":[26],"real":[28],"world":[29],"through":[30],"utilizing":[31],"a":[32,65,98,107,125,128,156,183],"number":[33],"on-spot":[35],"sensory":[36],"equipment":[37],"provide":[39],"immersive":[40],"user":[41,121,129,157],"experiences.":[42],"Despite":[43],"advantages":[45],"that":[46,165,227],"brings,":[48],"enormous":[50],"amount":[51],"distributed":[53],"videos":[55,133],"and":[56,87,106,147,168,198,246],"high":[58],"density":[59],"users":[62],"may":[63,80],"impose":[64],"heavy":[66],"burden":[67],"on":[68,111,164],"base":[69],"stations.":[70],"On":[71],"other":[73],"hand,":[74],"quality":[76],"experience":[78],"(QoE)":[79],"seriously":[81],"suffer":[82],"from":[83,215],"transmission":[85],"delay":[86],"monetary":[88],"costs":[89],"videos.":[92],"To":[93,143],"address":[94],"above":[96],"issues,":[97],"D2D-assisted":[99],"video":[101],"distribution":[102],"system":[103],"designed,":[105],"pre-caching":[108,151,230],"algorithm":[109,231],"based":[110,163],"QoE":[112,210,222,237],"gain":[113],"proposed.":[115],"More":[116],"specifically,":[117],"by":[118],"observing":[119],"residence":[122],"time":[123],"given":[126],"node,":[127],"can":[130,177,211],"pre-cache":[131],"nodes":[136],"be":[138,178,213],"visited":[139],"for":[140],"improved":[141],"QoE.":[142],"achieve":[144],"better":[145],"veracity":[146],"efficiency":[148],"algorithm,":[152],"probability":[154],"entering":[158],"each":[159],"node":[160],"calculated":[162],"user's":[166,203,209,221,236],"interest":[167],"nodes'":[169],"popularity.":[170],"Furthermore,":[171],"set":[173],"candidate":[175,217],"schemes":[176,187],"greatly":[179],"narrowed":[180],"down":[181],"range":[184],"feasible":[186],"according":[188,219],"real-time":[191],"popularity":[192],"threshold,":[193],"available":[195],"storage":[196],"space,":[197],"energy":[200],"equipment.":[204],"The":[205],"scheme":[206],"maximized":[208],"finally":[212],"selected":[214],"sets":[218],"gain.":[223],"Numerical":[224],"results":[225],"show":[226],"our":[228],"proposed":[229],"improves":[232],"level":[234],"while":[238],"maintaining":[239],"superior":[240],"stability":[241],"compared":[242],"random-caching":[245],"greedy-caching":[247],"algorithms.":[248]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}