{"id":"https://openalex.org/W1763261664","doi":"https://doi.org/10.1109/lwc.2015.2500895","title":"Hypergraph-Based Analysis of Clustered Co-Operative Beamforming With Application to Edge Caching","display_name":"Hypergraph-Based Analysis of Clustered Co-Operative Beamforming With Application to Edge Caching","publication_year":2015,"publication_date":"2015-11-17","ids":{"openalex":"https://openalex.org/W1763261664","doi":"https://doi.org/10.1109/lwc.2015.2500895","mag":"1763261664"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2015.2500895","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2015.2500895","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Wireless Communications Letters","raw_type":"journal-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1510.06222","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008342860","display_name":"Bahar Azari","orcid":"https://orcid.org/0000-0002-6695-0610"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Bahar Azari","raw_affiliation_strings":["DEIB, Politecnico di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"DEIB, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017736224","display_name":"Osvaldo Simeone","orcid":"https://orcid.org/0000-0001-9898-3209"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Osvaldo Simeone","raw_affiliation_strings":["ECE Dept., NJIT, CWCSPR, Newark, NJ, USA"],"affiliations":[{"raw_affiliation_string":"ECE Dept., NJIT, CWCSPR, Newark, NJ, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038079686","display_name":"Umberto Spagnolini","orcid":"https://orcid.org/0000-0002-7047-2455"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Umberto Spagnolini","raw_affiliation_strings":["DEIB, Politecnico di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"DEIB, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066992345","display_name":"Antonia M. Tulino","orcid":"https://orcid.org/0000-0002-6050-4150"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Antonia M. Tulino","raw_affiliation_strings":["Bell Labs, Crawford Hill, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Bell Labs, Crawford Hill, NJ, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5008342860"],"corresponding_institution_ids":["https://openalex.org/I93860229"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.05246353,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"5","issue":"1","first_page":"84","last_page":"87"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9987999796867371,"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"}},{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9984999895095825,"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/backhaul","display_name":"Backhaul (telecommunications)","score":0.8384535312652588},{"id":"https://openalex.org/keywords/hypergraph","display_name":"Hypergraph","score":0.8152590990066528},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7621505260467529},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6894344687461853},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5966677069664001},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5679899454116821},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5333200693130493},{"id":"https://openalex.org/keywords/formalism","display_name":"Formalism (music)","score":0.5026087760925293},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.45393335819244385},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4089658260345459},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.39002901315689087},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.30130040645599365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15066424012184143},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11747866868972778}],"concepts":[{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.8384535312652588},{"id":"https://openalex.org/C2781221856","wikidata":"https://www.wikidata.org/wiki/Q840247","display_name":"Hypergraph","level":2,"score":0.8152590990066528},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7621505260467529},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6894344687461853},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5966677069664001},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5679899454116821},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5333200693130493},{"id":"https://openalex.org/C73301696","wikidata":"https://www.wikidata.org/wiki/Q5469984","display_name":"Formalism (music)","level":3,"score":0.5026087760925293},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.45393335819244385},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4089658260345459},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.39002901315689087},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.30130040645599365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15066424012184143},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11747866868972778},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C558565934","wikidata":"https://www.wikidata.org/wiki/Q2743","display_name":"Musical","level":2,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/lwc.2015.2500895","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2015.2500895","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Wireless Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1510.06222","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1510.06222","pdf_url":"https://arxiv.org/pdf/1510.06222","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":"pmh:oai:re.public.polimi.it:11311/989013","is_oa":true,"landing_page_url":"http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5962382","pdf_url":"http://hdl.handle.net/11311/989013","source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"mag:1763261664","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1510.06222.pdf","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.1510.06222","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1510.06222","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:1510.06222","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1510.06222","pdf_url":"https://arxiv.org/pdf/1510.06222","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":[{"score":0.6600000262260437,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G7561793882","display_name":null,"funder_award_id":"CCF-1525629","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1777099960","https://openalex.org/W2008076367","https://openalex.org/W2010645529","https://openalex.org/W2030294718","https://openalex.org/W2038519345","https://openalex.org/W2064969374","https://openalex.org/W2162079951","https://openalex.org/W2547161317","https://openalex.org/W2963360080","https://openalex.org/W4205417298","https://openalex.org/W4206255050"],"related_works":["https://openalex.org/W2028015864","https://openalex.org/W72522892","https://openalex.org/W3021724162","https://openalex.org/W2891005763","https://openalex.org/W2228012609","https://openalex.org/W2744331595","https://openalex.org/W3109779135","https://openalex.org/W2806785192","https://openalex.org/W1660531227","https://openalex.org/W2209419441","https://openalex.org/W973156638","https://openalex.org/W2898733330","https://openalex.org/W2198096532","https://openalex.org/W2003858506","https://openalex.org/W2294988150","https://openalex.org/W3040901865","https://openalex.org/W2154189866","https://openalex.org/W2082152797","https://openalex.org/W1997295985","https://openalex.org/W2953176410"],"abstract_inverted_index":{"The":[0],"evaluation":[1],"of":[2,5,16,37,41,47,50,57,67,84,116,135],"the":[3,14,35,54,88,95,103,113,133,136],"performance":[4,39],"clustered":[6,42],"co-operative":[7,68],"beamforming":[8,44],"in":[9,45,64,121],"cellular":[10,76,122],"networks":[11,77],"generally":[12],"requires":[13],"solution":[15,56],"complex":[17],"nonconvex":[18],"optimization":[19],"problems.":[20],"In":[21,81],"this":[22,101],"letter,":[23],"a":[24,28,38,58],"framework":[25,105],"based":[26],"on":[27,100],"hypergraph":[29],"formalism":[30],"is":[31,73,106],"proposed":[32,104,137],"that":[33,86],"enables":[34],"derivation":[36],"characterization":[40],"cooperative":[43],"terms":[46],"per-user":[48],"degrees":[49],"freedom":[51],"(DoF)":[52],"via":[53],"efficient":[55],"coloring":[59],"problem.":[60],"An":[61],"emerging":[62],"scenario":[63],"which":[65],"clusters":[66,83],"base":[69],"stations":[70],"(BSs)":[71],"arise":[72],"given":[74],"by":[75],"with":[78,124],"edge":[79,125],"caching.":[80,126],"fact,":[82],"BSs":[85],"share":[87],"same":[89],"requested":[90],"files":[91],"can":[92],"jointly":[93],"beamform":[94],"corresponding":[96],"encoded":[97],"signals.":[98],"Based":[99],"observation,":[102],"applied":[107],"to":[108,131],"obtain":[109],"quantitative":[110],"insights":[111],"into":[112],"optimal":[114],"use":[115],"cache":[117],"and":[118],"backhaul":[119],"resources":[120],"systems":[123],"Numerical":[127],"examples":[128],"are":[129],"provided":[130],"illustrate":[132],"merits":[134],"framework.":[138]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}