{"id":"https://openalex.org/W2043351952","doi":"https://doi.org/10.1109/isit.2014.6875270","title":"An improved outer bound on the storage-repair-bandwidth tradeoff of exact-repair regenerating codes","display_name":"An improved outer bound on the storage-repair-bandwidth tradeoff of exact-repair regenerating codes","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2043351952","doi":"https://doi.org/10.1109/isit.2014.6875270","mag":"2043351952"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2014.6875270","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2014.6875270","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1312.6079","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040956008","display_name":"Birenjith Sasidharan","orcid":"https://orcid.org/0000-0001-7444-7161"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Birenjith Sasidharan","raw_affiliation_strings":["Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore","Dept. of Electrical Communication Eng., Indian Institute of Science, Bangalore, India#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electrical Communication Eng., Indian Institute of Science, Bangalore, India#TAB#","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034716574","display_name":"Kaushik Senthoor","orcid":"https://orcid.org/0000-0002-0021-6384"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kaushik Senthoor","raw_affiliation_strings":["Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore","Dept. of Electrical Communication Eng., Indian Institute of Science, Bangalore, India#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electrical Communication Eng., Indian Institute of Science, Bangalore, India#TAB#","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000294837","display_name":"P. Vijay Kumar","orcid":"https://orcid.org/0000-0003-0990-2847"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"P. Vijay Kumar","raw_affiliation_strings":["Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore","Dept. of Electrical Communication Eng., Indian Institute of Science, Bangalore, India#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electrical Communication Eng., Indian Institute of Science, Bangalore, India#TAB#","institution_ids":["https://openalex.org/I59270414"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5040956008"],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":1.4389,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.8437534,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"2430","last_page":"2434"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","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/T11181","display_name":"Advanced Data Storage Technologies","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/T12162","display_name":"Cellular Automata and Applications","score":0.9836000204086304,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11130","display_name":"Coding theory and cryptography","score":0.9718999862670898,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.49972105026245117},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4835626780986786},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4827529788017273},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.4786299765110016},{"id":"https://openalex.org/keywords/asymptotically-optimal-algorithm","display_name":"Asymptotically optimal algorithm","score":0.46525105834007263},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.4388580024242401},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.43866002559661865},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.32204732298851013},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22702771425247192},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13837066292762756},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.11561006307601929},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.08292686939239502},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.07102462649345398}],"concepts":[{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.49972105026245117},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4835626780986786},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4827529788017273},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.4786299765110016},{"id":"https://openalex.org/C181789720","wikidata":"https://www.wikidata.org/wiki/Q4812191","display_name":"Asymptotically optimal algorithm","level":2,"score":0.46525105834007263},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.4388580024242401},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.43866002559661865},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.32204732298851013},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22702771425247192},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13837066292762756},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.11561006307601929},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.08292686939239502},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07102462649345398}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/isit.2014.6875270","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2014.6875270","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.iisc.ac.in:51012","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196309","display_name":"NOT FOUND REPOSITORY (Indian Institute of Science Bangalore)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I59270414","host_organization_name":"Indian Institute of Science Bangalore","host_organization_lineage":["https://openalex.org/I59270414"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Conference Proceedings"},{"id":"pmh:oai:arXiv.org:1312.6079","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1312.6079","pdf_url":"https://arxiv.org/pdf/1312.6079","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:2043351952","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1312.6079","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.1312.6079","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1312.6079","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1312.6079","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1312.6079","pdf_url":"https://arxiv.org/pdf/1312.6079","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2043351952.pdf","grobid_xml":"https://content.openalex.org/works/W2043351952.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1977073502","https://openalex.org/W2042335818","https://openalex.org/W2052434924","https://openalex.org/W2056826630","https://openalex.org/W2069026918","https://openalex.org/W2105185344","https://openalex.org/W2126295689","https://openalex.org/W2150777202","https://openalex.org/W2153923251","https://openalex.org/W2154063365","https://openalex.org/W2401976396","https://openalex.org/W2949925098","https://openalex.org/W2952446660","https://openalex.org/W2952497820","https://openalex.org/W2952719775","https://openalex.org/W3101824114","https://openalex.org/W3106482607","https://openalex.org/W6660031229"],"related_works":["https://openalex.org/W2963538770","https://openalex.org/W2247903438","https://openalex.org/W1645278014","https://openalex.org/W1703564471","https://openalex.org/W2950011236","https://openalex.org/W1677135566","https://openalex.org/W2153923251","https://openalex.org/W2105185344","https://openalex.org/W2522057262","https://openalex.org/W3103443408","https://openalex.org/W3197476036","https://openalex.org/W3104144315","https://openalex.org/W2963217909","https://openalex.org/W1557064786","https://openalex.org/W1647069448","https://openalex.org/W1557191314","https://openalex.org/W3103107560","https://openalex.org/W2762056967","https://openalex.org/W3080607546","https://openalex.org/W2039366158"],"abstract_inverted_index":{"While":[0],"the":[1,4,10,27,48,54,65,77,82,89,102,119,125,132,147,172,179,195],"tradeoff":[2,50,67,94,121],"between":[3],"amount":[5],"of":[6,13,29,53,182],"data":[7],"stored":[8],"and":[9,144],"repair":[11,25,31],"bandwidth":[12],"an":[14,114,183],"(n,":[15,137],"k,":[16,138],"d)":[17],"regenerating":[18,159],"code":[19,160,186],"has":[20],"been":[21],"characterized":[22],"under":[23],"functional":[24],"(FR),":[26],"case":[28],"exact":[30],"(ER)":[32],"remains":[33],"unresolved.":[34],"It":[35],"is":[36,85,128,142,161],"known":[37],"that":[38,75,124,187],"there":[39],"do":[40],"not":[41,189],"exist":[42],"ER":[43,83,103,120,126,185],"codes":[44],"which":[45,122],"lie":[46],"on":[47,101,118,167,194],"FR":[49,66,90,93,133,196],"at":[51],"most":[52],"points.":[55],"The":[56,92],"question":[57],"as":[58,96],"to":[59,163,191],"whether":[60],"one":[61],"can":[62],"asymptotically":[63],"approach":[64,141],"was":[68],"settled":[69],"recently":[70],"by":[71,112,151],"Tian":[72],"who":[73],"showed":[74],"in":[76],"(4,":[78],"3,":[79],"3)":[80],"case,":[81],"region":[84,127],"bounded":[86,129],"away":[87,130],"from":[88,131],"region.":[91],"serves":[95],"a":[97,156,165,192],"trivial":[98],"outer":[99,116,169],"bound":[100,117,170],"tradeoff.":[104,197],"In":[105],"this":[106,168],"paper,":[107],"we":[108],"extend":[109],"Tian's":[110],"results":[111],"establishing":[113],"improved":[115],"shows":[123],"region,":[134],"for":[135,171],"any":[136],"d).":[139],"Our":[140],"analytical":[143],"builds":[145],"upon":[146],"framework":[148],"introduced":[149],"earlier":[150],"Shah":[152],"et.":[153],"al.":[154],"Interestingly,":[155],"recently-constructed,":[157],"layered":[158],"shown":[162],"achieve":[164],"point":[166,193],"(5,":[173],"4,":[174],"4)":[175],"case.":[176],"This":[177],"represents":[178],"first-known":[180],"instance":[181],"optimal":[184],"does":[188],"correspond":[190]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}