{"id":"https://openalex.org/W2753079015","doi":"https://doi.org/10.1109/tcomm.2017.2746106","title":"Coded Caching for Wireless Backhaul Networks With Unequal Link Rates","display_name":"Coded Caching for Wireless Backhaul Networks With Unequal Link Rates","publication_year":2017,"publication_date":"2017-08-28","ids":{"openalex":"https://openalex.org/W2753079015","doi":"https://doi.org/10.1109/tcomm.2017.2746106","mag":"2753079015"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2017.2746106","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2017.2746106","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Transactions on 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/A5050637803","display_name":"Aimin Tang","orcid":"https://orcid.org/0000-0001-5469-8414"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Aimin Tang","raw_affiliation_strings":["UM-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"UM-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064032990","display_name":"Sumit Roy","orcid":"https://orcid.org/0000-0002-3357-4700"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sumit Roy","raw_affiliation_strings":["Department of Electric Engineering, University of Washington, Seattle, WA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electric Engineering, University of Washington, Seattle, WA, USA","institution_ids":["https://openalex.org/I201448701"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100348138","display_name":"Xudong Wang","orcid":"https://orcid.org/0000-0002-1353-1420"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xudong Wang","raw_affiliation_strings":["UM-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"UM-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5050637803"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":4.7656,"has_fulltext":false,"cited_by_count":55,"citation_normalized_percentile":{"value":0.95663648,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"66","issue":"1","first_page":"1","last_page":"13"},"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":0.9968000054359436,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9387999773025513,"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/linear-network-coding","display_name":"Linear network coding","score":0.7997685670852661},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7733417749404907},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.7208484411239624},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.689860463142395},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.546068549156189},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4782761037349701},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.46172064542770386},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.43019551038742065},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.30924779176712036},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.2523289918899536},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12704768776893616}],"concepts":[{"id":"https://openalex.org/C138293262","wikidata":"https://www.wikidata.org/wiki/Q1089578","display_name":"Linear network coding","level":3,"score":0.7997685670852661},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7733417749404907},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.7208484411239624},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.689860463142395},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.546068549156189},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4782761037349701},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.46172064542770386},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.43019551038742065},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.30924779176712036},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.2523289918899536},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12704768776893616},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"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/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/tcomm.2017.2746106","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2017.2746106","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1520840085","https://openalex.org/W1669202830","https://openalex.org/W1689979604","https://openalex.org/W1945978582","https://openalex.org/W1966660858","https://openalex.org/W1975787929","https://openalex.org/W1990395546","https://openalex.org/W2076086853","https://openalex.org/W2096220631","https://openalex.org/W2099111195","https://openalex.org/W2106248279","https://openalex.org/W2112053513","https://openalex.org/W2147584524","https://openalex.org/W2152593621","https://openalex.org/W2166021179","https://openalex.org/W2236240782","https://openalex.org/W2333682396","https://openalex.org/W2482095914","https://openalex.org/W2515623395","https://openalex.org/W2579320238","https://openalex.org/W2588053539","https://openalex.org/W2591938776","https://openalex.org/W2592304855","https://openalex.org/W2950831195","https://openalex.org/W2963133970","https://openalex.org/W2963254016","https://openalex.org/W2963267958","https://openalex.org/W2963305774","https://openalex.org/W2963364234","https://openalex.org/W2963492973","https://openalex.org/W2963594337","https://openalex.org/W2964135968","https://openalex.org/W3103610239","https://openalex.org/W3104958678","https://openalex.org/W6689458619"],"related_works":["https://openalex.org/W2963149344","https://openalex.org/W4297310313","https://openalex.org/W2012551222","https://openalex.org/W4200445394","https://openalex.org/W4303414366","https://openalex.org/W2097644939","https://openalex.org/W1724300815","https://openalex.org/W2594059527","https://openalex.org/W2357429841","https://openalex.org/W2097820490"],"abstract_inverted_index":{"Coded":[0],"caching":[1,67,163,177,212],"has":[2],"emerged":[3],"as":[4],"a":[5,102,117,166],"promising":[6],"component":[7],"of":[8,81,159],"solutions":[9],"to":[10,19,135,169,196,200],"the":[11,35,65,78,90,94,112,123,148,160,170,174,184,188,209,216,225],"exponential":[12],"growth":[13],"in":[14,39,88,111],"network":[15,20,104],"traffic.":[16],"Previous":[17],"approaches":[18],"coding":[21,51,105],"are":[22,86,98,152],"all":[23],"based":[24,126],"on":[25,127],"(simple)":[26],"XOR":[27,50],"coding,":[28],"which":[29,89,220],"is":[30,52],"appropriate":[31],"when":[32],"links":[33],"have":[34],"same":[36],"rate.":[37],"However,":[38],"typical":[40],"wireless":[41,70],"networks,":[42],"different":[43,46],"users":[44],"experience":[45],"link":[47,74,91,137,192,218],"rates.":[48,75],"Thus,":[49],"sub-optimal":[53],"and":[54,96,115,147],"cannot":[55,221],"achieve":[56,165,179],"full":[57],"broadcast":[58,141],"gain.":[59],"In":[60],"this":[61],"paper,":[62],"we":[63,154],"consider":[64],"coded":[66,108,162,176,186,211,227],"design":[68],"for":[69,122,139],"networks":[71,80],"with":[72,190],"unequal":[73,128,136,217],"More":[76],"specifically,":[77],"backhaul":[79],"LTE-A":[82],"or":[83],"5G":[84],"system":[85],"considered,":[87],"rates":[92,138,193],"between":[93],"macroBS":[95],"microBSs":[97],"different.":[99],"We":[100],"leverage":[101],"new":[103],"scheme":[106,121,133],"nested":[107],"modulation":[109],"(NCM)":[110],"delivery":[113],"phase":[114,125],"develop":[116],"novel":[118],"file":[119],"partition":[120],"placement":[124],"cache":[129],"size":[130],"allocation.":[131],"This":[132],"adapts":[134],"increasing":[140],"gains.":[142],"The":[143],"achievable":[144],"transmission":[145,157],"time":[146,158],"information-theoretic":[149],"lower":[150,171],"bound":[151],"derived;":[153],"show":[155,207],"that":[156,208],"NCM-based":[161,175,210],"can":[164,178,213],"constant":[167],"gap":[168],"bound.":[172],"Moreover,":[173],"significant":[180],"performance":[181],"improvement":[182],"over":[183],"XOR-based":[185,226],"caching;":[187],"example":[189],"normalized":[191],"from":[194],"1":[195],"6":[197],"achieves":[198],"up":[199],"250%":[201],"throughput":[202],"improvement.":[203],"Numerical":[204],"results":[205],"also":[206],"well":[214],"utilize":[215],"rates,":[219],"be":[222],"achieved":[223],"by":[224],"caching.":[228]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":16},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
