{"id":"https://openalex.org/W2742048218","doi":"https://doi.org/10.1109/glocom.2017.8254188","title":"Optimizing Tier-Level Content Placement in Heterogeneous Networks","display_name":"Optimizing Tier-Level Content Placement in Heterogeneous Networks","publication_year":2017,"publication_date":"2017-12-01","ids":{"openalex":"https://openalex.org/W2742048218","doi":"https://doi.org/10.1109/glocom.2017.8254188","mag":"2742048218"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2017.8254188","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2017.8254188","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2017 - 2017 IEEE Global Communications Conference","raw_type":"proceedings-article"},"type":"preprint","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/A5102293002","display_name":"Juan Wen","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Juan Wen","raw_affiliation_strings":["Dept. of EEE, University of Hong Kong, HKSAR, China"],"affiliations":[{"raw_affiliation_string":"Dept. of EEE, University of Hong Kong, HKSAR, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007131492","display_name":"Kaibin Huang","orcid":"https://orcid.org/0000-0001-8773-4629"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Kaibin Huang","raw_affiliation_strings":["Dept. of EEE, University of Hong Kong, HKSAR, China"],"affiliations":[{"raw_affiliation_string":"Dept. of EEE, University of Hong Kong, HKSAR, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087891218","display_name":"Sheng Yang","orcid":"https://orcid.org/0000-0002-0643-0445"},"institutions":[{"id":"https://openalex.org/I4210107720","display_name":"CentraleSup\u00e9lec","ror":"https://ror.org/019tcpt25","country_code":"FR","type":"facility","lineage":["https://openalex.org/I277688954","https://openalex.org/I4210107720"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Sheng Yang","raw_affiliation_strings":["Dept. of Telecom., CentraleSupelec, France"],"affiliations":[{"raw_affiliation_string":"Dept. of Telecom., CentraleSupelec, France","institution_ids":["https://openalex.org/I4210107720"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056877599","display_name":"Victor O. K. Li","orcid":"https://orcid.org/0000-0002-1380-9445"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Victor O. K. Li","raw_affiliation_strings":["Dept. of EEE, University of Hong Kong, HKSAR, China"],"affiliations":[{"raw_affiliation_string":"Dept. of EEE, University of Hong Kong, HKSAR, China","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102293002"],"corresponding_institution_ids":["https://openalex.org/I889458895"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12267069,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9872000217437744,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9613999724388123,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.8472250699996948},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.720751941204071},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5387384295463562},{"id":"https://openalex.org/keywords/poisson-distribution","display_name":"Poisson distribution","score":0.4593968093395233},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.45633548498153687},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.4334263503551483},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.41871964931488037},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4114110469818115},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1571773886680603},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1254706084728241}],"concepts":[{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.8472250699996948},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.720751941204071},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5387384295463562},{"id":"https://openalex.org/C100906024","wikidata":"https://www.wikidata.org/wiki/Q205692","display_name":"Poisson distribution","level":2,"score":0.4593968093395233},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.45633548498153687},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.4334263503551483},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.41871964931488037},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4114110469818115},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1571773886680603},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1254706084728241},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocom.2017.8254188","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2017.8254188","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2017 - 2017 IEEE Global Communications Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-01568736v1","is_oa":false,"landing_page_url":"https://centralesupelec.hal.science/hal-01568736","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Global Telecommunications Conference (GLOBECOM), Dec 2017, Singapore, Singapore. &#x27E8;10.1109/glocom.2017.8254188&#x27E9;","raw_type":"Conference papers"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1481341908","https://openalex.org/W1960633731","https://openalex.org/W1972738071","https://openalex.org/W2009708702","https://openalex.org/W2026495621","https://openalex.org/W2034420299","https://openalex.org/W2051773775","https://openalex.org/W2106248279","https://openalex.org/W2122186362","https://openalex.org/W2149170915","https://openalex.org/W2161272050","https://openalex.org/W2258533367","https://openalex.org/W2263102236","https://openalex.org/W2474113718","https://openalex.org/W2515772480","https://openalex.org/W2550555189","https://openalex.org/W2585696598","https://openalex.org/W2963611429","https://openalex.org/W2963805754","https://openalex.org/W3101445254","https://openalex.org/W3105072513","https://openalex.org/W6678092136"],"related_works":["https://openalex.org/W2963149344","https://openalex.org/W4297310313","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],"popular":[1,54],"contents":[2],"at":[3,91],"base":[4],"stations":[5],"(BSs)":[6],"of":[7,27,64,79,82,94,156,179,200,219],"a":[8,80,95,99,140,157,173,191,196,229,242],"heterogeneous":[9],"cellular":[10],"network":[11,128],"(HCN)":[12],"reduces":[13],"latency":[14],"in":[15,21,45,112,172,247],"content":[16,32,125],"delivery":[17],"and":[18,42,204,211,228],"alleviates":[19],"congestion":[20],"backhaul":[22],"networks.":[23],"Despite":[24],"the":[25,34,53,71,113,121,137,144,151,154,180,188,201,205,216,223,248],"existence":[26],"many":[28],"sub-optimal":[29,230],"strategies":[30],"for":[31,37,109,164,190,215],"placement,":[33],"optimal":[35,168,181],"ones":[36],"HCNs":[38],"remain":[39],"largely":[40],"unknown":[41],"are":[43,59,107],"investigated":[44],"this":[46,49],"paper.":[47],"To":[48],"end,":[50],"we":[51],"adopt":[52],"HCN":[55],"model":[56],"where":[57,77],"BSs":[58,111],"modeled":[60],"as":[61,136,245],"K":[62],"tiers":[63],"independent":[65],"Poisson":[66],"point":[67],"processes":[68],"(PPPs).":[69],"Further,":[70],"random":[72],"caching":[73],"scheme":[74],"is":[75,89,130,147,170,195,226,233],"considered":[76],"each":[78,92],"database":[81],"M":[83],"files":[84],"with":[85,98],"corresponding":[86,100],"popularity":[87,203],"measures":[88],"placed":[90],"BS":[93],"particular":[96,192],"tier":[97,115],"probability,":[101,134],"called":[102],"placement":[103,182,231],"probability.":[104],"The":[105,127,167,184,237],"probabilities":[106],"identical":[108],"all":[110],"same":[114],"but":[116],"vary":[117],"over":[118],"tiers,":[119],"giving":[120],"name":[122],"tier-":[123],"level":[124],"placement.":[126],"performance":[129],"measured":[131],"by":[132,143,235],"hit":[133],"defined":[135],"probability":[138,189],"that":[139,187,246],"file":[141],"requested":[142],"typical":[145],"user":[146],"delivered":[148],"successfully":[149],"to":[150],"user.":[152],"Consider":[153],"case":[155,218],"uniform":[158],"received":[159],"signal-to-":[160],"interference":[161],"(SIR)":[162],"threshold":[163],"successful":[165],"transmissions.":[166],"policy":[169,232,240],"derived":[171],"simple":[174],"form":[175],"allowing":[176],"sequential":[177],"computation":[178],"probabilities.":[183],"result":[185],"shows":[186],"file-and-tier":[193],"combination":[194],"monotone":[197],"increasing":[198],"function":[199],"file's":[202],"tier's":[206],"density,":[207],"transmis-":[208],"sion":[209],"power":[210],"storage":[212],"capacity.":[213],"Furthermore,":[214],"general":[217],"non-uniform":[220],"SIR":[221],"threshold,":[222],"optimization":[224],"problem":[225],"non-convex":[227],"designed":[234],"approximation.":[236],"close-":[238],"to-optimal":[239],"has":[241],"similar":[243],"structure":[244],"previous":[249],"case.":[250]},"counts_by_year":[],"updated_date":"2026-03-10T16:38:18.471706","created_date":"2017-08-08T00:00:00"}
