{"id":"https://openalex.org/W2989621260","doi":"https://doi.org/10.1109/pimrc.2019.8904364","title":"A Mobility-aware Proactive Caching Strategy in Heterogeneous Ultra-Dense Networks","display_name":"A Mobility-aware Proactive Caching Strategy in Heterogeneous Ultra-Dense Networks","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W2989621260","doi":"https://doi.org/10.1109/pimrc.2019.8904364","mag":"2989621260"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2019.8904364","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2019.8904364","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-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/A5103192427","display_name":"Ning Gao","orcid":"https://orcid.org/0000-0001-7067-1211"},"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":true,"raw_author_name":"Ning Gao","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061030501","display_name":"Xiaodong Xu","orcid":"https://orcid.org/0000-0003-4245-5989"},"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":"Xiaodong Xu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101635010","display_name":"Yanzhao Hou","orcid":"https://orcid.org/0000-0001-5571-9539"},"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":"Yanzhao Hou","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103201677","display_name":"Lei Gao","orcid":"https://orcid.org/0009-0009-3522-303X"},"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":"Lei Gao","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,National Engineering Lab for Mobile Network Technologies,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"National Engineering Lab for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5103192427"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.7074,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.74267359,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":1.0,"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":1.0,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9965000152587891,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9868000149726868,"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":0.8673741817474365},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.8656641244888306},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.8029611110687256},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7219107151031494},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.49368414282798767},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4913986921310425},{"id":"https://openalex.org/keywords/false-sharing","display_name":"False sharing","score":0.4666564166545868},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4121098220348358},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.2996867299079895},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.2343679666519165},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07475915551185608}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8673741817474365},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.8656641244888306},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.8029611110687256},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7219107151031494},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.49368414282798767},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4913986921310425},{"id":"https://openalex.org/C5165142","wikidata":"https://www.wikidata.org/wiki/Q5432732","display_name":"False sharing","level":5,"score":0.4666564166545868},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4121098220348358},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.2996867299079895},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.2343679666519165},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07475915551185608}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2019.8904364","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2019.8904364","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1972738071","https://openalex.org/W2009708702","https://openalex.org/W2010884349","https://openalex.org/W2022637272","https://openalex.org/W2072845443","https://openalex.org/W2114053744","https://openalex.org/W2115632051","https://openalex.org/W2294407244","https://openalex.org/W2341747071","https://openalex.org/W2364089413","https://openalex.org/W2415910379","https://openalex.org/W2554698009","https://openalex.org/W2561715836","https://openalex.org/W2742795165","https://openalex.org/W2748184427","https://openalex.org/W2768220848","https://openalex.org/W2770416030","https://openalex.org/W2963006267","https://openalex.org/W3104531147","https://openalex.org/W6635401029","https://openalex.org/W6677082391"],"related_works":["https://openalex.org/W4297310313","https://openalex.org/W2963149344","https://openalex.org/W2012551222","https://openalex.org/W4303414366","https://openalex.org/W2097644939","https://openalex.org/W1724300815","https://openalex.org/W4200445394","https://openalex.org/W2594059527","https://openalex.org/W2097820490","https://openalex.org/W2357429841"],"abstract_inverted_index":{"Caching":[0],"on":[1],"the":[2,11,15,22,29,35,63,76,104,122,135],"wireless":[3],"edge":[4],"is":[5,101],"a":[6,49,113],"promising":[7],"way":[8],"to":[9,37],"alleviate":[10],"backhaul":[12],"burden":[13],"of":[14,66,75,106,133],"heterogeneous":[16],"ultra-dense":[17],"network":[18,78],"(H-UDN)":[19],"and":[20,110,138],"reduce":[21],"transmission":[23,136],"delay.":[24],"However,":[25],"user":[26],"mobility":[27,64],"makes":[28],"content":[30,95],"distribution":[31],"more":[32],"challenging":[33],"for":[34],"association":[36],"small":[38],"base":[39],"stations":[40],"(SBSs)":[41],"always":[42],"changes.":[43],"In":[44],"this":[45],"paper,":[46],"we":[47],"propose":[48],"mobility-aware":[50],"proactive":[51],"caching":[52,129],"strategy":[53,125],"named":[54],"MoPC":[55,124],"in":[56,68,89,131],"H-UDNs":[57],"where":[58],"each":[59],"SBS":[60],"can":[61],"perceive":[62],"pattern":[65],"users":[67,85],"neighbor":[69],"SBSs.":[70],"Moreover,":[71],"by":[72,82,93,112],"taking":[73],"advantage":[74],"hierarchical":[77],"feature,":[79],"files":[80],"requested":[81],"different":[83,90],"speed":[84],"will":[86],"be":[87],"cached":[88],"cache":[91,98,139],"layers":[92],"amending":[94],"popularity.":[96],"The":[97],"placement":[99],"problem":[100],"formulated":[102],"with":[103],"aim":[105],"effective":[107],"capacity":[108],"maximization":[109],"solved":[111],"genetic":[114],"algorithm":[115],"based":[116],"approach.":[117],"Simulation":[118],"results":[119],"prove":[120],"that":[121],"proposed":[123],"outperforms":[126],"other":[127],"existing":[128],"strategies":[130],"terms":[132],"both":[134],"delay":[137],"hit":[140],"ratio.":[141]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}