{"id":"https://openalex.org/W2152160230","doi":"https://doi.org/10.1109/isit.2011.6034010","title":"Wireless network simplification: The Gaussian N-relay diamond network","display_name":"Wireless network simplification: The Gaussian N-relay diamond network","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2152160230","doi":"https://doi.org/10.1109/isit.2011.6034010","mag":"2152160230"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2011.6034010","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2011.6034010","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Symposium on Information Theory Proceedings","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://infoscience.epfl.ch/record/174444","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062030753","display_name":"Caner Nazaroglu","orcid":"https://orcid.org/0000-0001-8844-2441"},"institutions":[{"id":"https://openalex.org/I201799495","display_name":"Middle East Technical University","ror":"https://ror.org/014weej12","country_code":"TR","type":"education","lineage":["https://openalex.org/I201799495"]}],"countries":["TR"],"is_corresponding":true,"raw_author_name":"Caner Nazaroglu","raw_affiliation_strings":["Middle East Technical University, Ankara, Turkey"],"affiliations":[{"raw_affiliation_string":"Middle East Technical University, Ankara, Turkey","institution_ids":["https://openalex.org/I201799495"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003322209","display_name":"Ayfer \u00d6zg\u00fcr","orcid":"https://orcid.org/0000-0002-4455-4692"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Ayfer Ozgur","raw_affiliation_strings":["EPFL, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"EPFL, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056591688","display_name":"Christina Fragouli","orcid":"https://orcid.org/0000-0003-1002-5829"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Christina Fragouli","raw_affiliation_strings":["EPFL, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"EPFL, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5062030753"],"corresponding_institution_ids":["https://openalex.org/I201799495"],"apc_list":null,"apc_paid":null,"fwci":7.0015,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.97238315,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"2472","last_page":"2476"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","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/T10796","display_name":"Cooperative Communication and Network Coding","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/T10246","display_name":"Mobile Ad Hoc Networks","score":0.9908999800682068,"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/T11478","display_name":"Caching and Content Delivery","score":0.987500011920929,"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/relay","display_name":"Relay","score":0.8374131917953491},{"id":"https://openalex.org/keywords/multiplicative-function","display_name":"Multiplicative function","score":0.7810864448547363},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.7097733020782471},{"id":"https://openalex.org/keywords/diamond","display_name":"Diamond","score":0.66701340675354},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5938009023666382},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.4972868263721466},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.49665147066116333},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4861885905265808},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.462307333946228},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4551435112953186},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.4462597370147705},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.4439394176006317},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40421780943870544},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3890744745731354},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.2831534147262573},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2634273171424866},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.155324786901474},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.10663104057312012},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.07337021827697754},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.06750041246414185},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.05923587083816528}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8374131917953491},{"id":"https://openalex.org/C42747912","wikidata":"https://www.wikidata.org/wiki/Q1048447","display_name":"Multiplicative function","level":2,"score":0.7810864448547363},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.7097733020782471},{"id":"https://openalex.org/C2776921476","wikidata":"https://www.wikidata.org/wiki/Q5283","display_name":"Diamond","level":2,"score":0.66701340675354},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5938009023666382},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.4972868263721466},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49665147066116333},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4861885905265808},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.462307333946228},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4551435112953186},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.4462597370147705},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.4439394176006317},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40421780943870544},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3890744745731354},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.2831534147262573},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2634273171424866},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.155324786901474},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10663104057312012},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.07337021827697754},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.06750041246414185},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.05923587083816528},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isit.2011.6034010","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2011.6034010","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Symposium on Information Theory Proceedings","raw_type":"proceedings-article"},{"id":"pmh:oai:infoscience.tind.io:174444","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/174444","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference proceedings"}],"best_oa_location":{"id":"pmh:oai:infoscience.tind.io:174444","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/174444","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference proceedings"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1997834106","https://openalex.org/W2084641497","https://openalex.org/W2098360731","https://openalex.org/W2098567664","https://openalex.org/W2099111195","https://openalex.org/W2099666434","https://openalex.org/W2107325229","https://openalex.org/W2107581496","https://openalex.org/W2107920954","https://openalex.org/W2109962983","https://openalex.org/W2128295617","https://openalex.org/W2139825184","https://openalex.org/W2152160230","https://openalex.org/W2167447263","https://openalex.org/W2173985530","https://openalex.org/W2548811864","https://openalex.org/W2611221451","https://openalex.org/W3100839090","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2608897767","https://openalex.org/W2963768675","https://openalex.org/W2153829573","https://openalex.org/W2099376255","https://openalex.org/W2004047158","https://openalex.org/W2119153672","https://openalex.org/W2993015344","https://openalex.org/W1559320887","https://openalex.org/W2374704553","https://openalex.org/W2082611414"],"abstract_inverted_index":{"We":[0,23,46],"consider":[1],"the":[2,25,31,42,68,76,83,87,95,118,131,141,144,171,177],"Gaussian":[3,51,145],"N-relay":[4,21,52,103,146],"diamond":[5,53,104,147],"network,":[6,54],"where":[7,106,199],"a":[8,14,18,57,137,153,190,195],"source":[9],"wants":[10],"to":[11,13,130,140,152,175],"communicate":[12],"destination":[15],"node":[16],"through":[17,210],"layer":[19],"of":[20,30,41,59,67,75,78,109,117,143,156,161],"nodes.":[22],"investigate":[24],"following":[26],"question:":[27],"What":[28],"fraction":[29],"capacity":[32,142,178],"can":[33,112],"we":[34],"maintain":[35],"by":[36,183],"using":[37],"only":[38],"k":[39,60,110],"out":[40],"N":[43],"available":[44,79],"relays?":[45],"show":[47],"that":[48,97],"in":[49,94,170],"every":[50,107],"there":[55,98],"exists":[56,99],"subset":[58,108],"relays":[61,111],"which":[62,149],"alone":[63],"provide":[64,113],"approximately":[65],"k/k+1":[66,116],"total":[69,119],"capacity.":[70,120,132],"The":[71,90,121,166],"result":[72,91,134,193],"holds":[73],"independent":[74],"number":[77],"relay":[80],"nodes":[81],"N,":[82],"channel":[84,100],"configurations":[85,101],"and":[86,158,201,207],"operating":[88],"SNR.":[89],"is":[92,123,150],"tight":[93],"sense":[96],"for":[102],"networks,":[105],"at":[114],"most":[115],"approximation":[122,139,168,197],"within":[124,179],"3":[125,162],"logN":[126,163],"+":[127,164],"3k":[128],"bits/s/Hz":[129],"This":[133],"also":[135],"provides":[136],"new":[138,196],"network":[148],"up":[151],"multiplicative":[154,186,200],"gap":[155,160,182,187],"1/k+1":[157],"additive":[159,181,202],"3k.":[165],"current":[167],"results":[169],"literature":[172],"either":[173],"aim":[174],"characterize":[176],"an":[180,211],"allowing":[184],"no":[185],"or":[188],"vice":[189],"versa.":[191],"Our":[192],"suggests":[194],"approach":[198],"gaps":[203],"are":[204,208],"allowed":[205],"simultaneously":[206],"traded":[209],"auxiliary":[212],"parameter.":[213]},"counts_by_year":[{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":8}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}