{"id":"https://openalex.org/W4280596458","doi":"https://doi.org/10.1109/wcnc51071.2022.9771921","title":"Coded Caching in Combination Networks with Heterogeneous Caches","display_name":"Coded Caching in Combination Networks with Heterogeneous Caches","publication_year":2022,"publication_date":"2022-04-10","ids":{"openalex":"https://openalex.org/W4280596458","doi":"https://doi.org/10.1109/wcnc51071.2022.9771921"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc51071.2022.9771921","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc51071.2022.9771921","pdf_url":null,"source":{"id":"https://openalex.org/S4363607776","display_name":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5035090839","display_name":"Zhuodong Guan","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhuodong Guan","raw_affiliation_strings":["Sun Yat-sen University,School of Electronics and Communication Engineering,China","School of Electronics and Communication Engineering, Sun Yat-sen University, China"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Electronics and Communication Engineering,China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Electronics and Communication Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100360045","display_name":"Xiaoxia Wang","orcid":"https://orcid.org/0000-0003-1888-9154"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoxia Wang","raw_affiliation_strings":["Sun Yat-sen University,School of Electronics and Communication Engineering,China","School of Electronics and Communication Engineering, Sun Yat-sen University, China"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Electronics and Communication Engineering,China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Electronics and Communication Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004595691","display_name":"Jinbei Zhang","orcid":"https://orcid.org/0000-0003-2348-1970"},"institutions":[{"id":"https://openalex.org/I4210136793","display_name":"Peng Cheng Laboratory","ror":"https://ror.org/03qdqbt06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210136793"]},{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinbei Zhang","raw_affiliation_strings":["Sun Yat-sen University,School of Electronics and Communication Engineering,China","Peng Cheng Laboratory, Shenzhen, China","School of Electronics and Communication Engineering, Sun Yat-sen University, China"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Electronics and Communication Engineering,China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"Peng Cheng Laboratory, Shenzhen, China","institution_ids":["https://openalex.org/I4210136793"]},{"raw_affiliation_string":"School of Electronics and Communication Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5035090839"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":0.2162,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.26348721,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"286","last_page":"291"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9955000281333923,"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":0.9718000292778015,"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/cache","display_name":"Cache","score":0.8119280338287354},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.766107439994812},{"id":"https://openalex.org/keywords/zipfs-law","display_name":"Zipf's law","score":0.6724745035171509},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.6316022872924805},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.6099596619606018},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5450314879417419},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.5406678318977356},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5193506479263306},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5023181438446045},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.4733835756778717},{"id":"https://openalex.org/keywords/cache-invalidation","display_name":"Cache invalidation","score":0.4155942499637604},{"id":"https://openalex.org/keywords/cache-algorithms","display_name":"Cache algorithms","score":0.4075855314731598},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.32523566484451294},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1598854660987854}],"concepts":[{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.8119280338287354},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.766107439994812},{"id":"https://openalex.org/C125932096","wikidata":"https://www.wikidata.org/wiki/Q205472","display_name":"Zipf's law","level":2,"score":0.6724745035171509},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.6316022872924805},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.6099596619606018},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5450314879417419},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.5406678318977356},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5193506479263306},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5023181438446045},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.4733835756778717},{"id":"https://openalex.org/C25536678","wikidata":"https://www.wikidata.org/wiki/Q5015977","display_name":"Cache invalidation","level":5,"score":0.4155942499637604},{"id":"https://openalex.org/C38556500","wikidata":"https://www.wikidata.org/wiki/Q13404475","display_name":"Cache algorithms","level":4,"score":0.4075855314731598},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.32523566484451294},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1598854660987854},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc51071.2022.9771921","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc51071.2022.9771921","pdf_url":null,"source":{"id":"https://openalex.org/S4363607776","display_name":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","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":15,"referenced_works":["https://openalex.org/W1544602402","https://openalex.org/W1990395546","https://openalex.org/W2106248279","https://openalex.org/W2292014421","https://openalex.org/W2592275631","https://openalex.org/W2744087308","https://openalex.org/W2963178642","https://openalex.org/W2963279101","https://openalex.org/W2971082700","https://openalex.org/W2975465919","https://openalex.org/W3095263749","https://openalex.org/W3211937876","https://openalex.org/W4300457133","https://openalex.org/W6636912947","https://openalex.org/W6775646026"],"related_works":["https://openalex.org/W2350993697","https://openalex.org/W2803610590","https://openalex.org/W2031173804","https://openalex.org/W2363769136","https://openalex.org/W3085471909","https://openalex.org/W2009566782","https://openalex.org/W2114386333","https://openalex.org/W1994118623","https://openalex.org/W2109715593","https://openalex.org/W57688818"],"abstract_inverted_index":{"Coded":[0],"caching":[1,14,100],"technique":[2],"is":[3,58,62,163,169],"an":[4],"effective":[5],"method":[6],"to":[7,29,41,76],"reduce":[8],"peak":[9],"traffic.":[10],"We":[11,124],"consider":[12],"coded":[13,99],"in":[15,18],"combination":[16,87,104],"networks":[17,88],"which":[19],"a":[20,23,97,157],"server":[21],"with":[22,38,89,148],"library":[24],"of":[25,44,73,111],"N":[26,174],"files":[27],"connects":[28,40],"users":[30,74],"through":[31],"h":[32],"relay":[33,46],"nodes":[34],"and":[35,106,131],"each":[36],"user":[37,139],"cache":[39,56,71,140],"different":[42,64],"sets":[43],"r":[45],"nodes.":[47],"Previous":[48],"works":[49],"are":[50],"always":[51],"assumed":[52],"that":[53,137],"the":[54,66,77,108,117,127,135,138,167],"users’":[55],"capacity":[57,72],"consistent,":[59],"but":[60],"this":[61,83,93],"quite":[63],"from":[65],"actual":[67],"application":[68],"scenarios.":[69],"The":[70],"connected":[75],"network":[78,105],"may":[79],"vary":[80],"widely.":[81],"In":[82],"paper,":[84],"we":[85,95,115,154],"investigate":[86],"heterogeneous":[90],"caches.":[91],"For":[92,145],"setting,":[94],"propose":[96],"decentralized":[98],"scheme":[101],"for":[102,120],"any":[103,121],"derive":[107,116],"upper":[109,130],"bound":[110,119],"transmission":[112,122],"rate.":[113],"Then,":[114],"lower":[118,132],"scheme.":[123],"also":[125],"analyze":[126],"gap":[128,168],"between":[129],"bounds":[133],"under":[134],"case":[136],"sizes":[141],"follow":[142],"Zipf":[143,146],"distributions.":[144],"distributions":[147],"α":[149,162],"not":[150],"less":[151,164],"than":[152],"1,":[153,166],"can":[155],"obtain":[156],"constant":[158],"gap,":[159],"while":[160],"when":[161],"then":[165],"bounded":[170],"by":[171],"28":[172],"log":[173],"if":[175],"$r":[176],"\\geq":[177],"\\frac{h}{{\\log":[178],"N}}$.":[179]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}