{"id":"https://openalex.org/W4385269814","doi":"https://doi.org/10.1109/eucnc/6gsummit58263.2023.10188253","title":"Reduced Complexity Multicast Beamforming and User Grouping for Multi-Antenna Coded Caching","display_name":"Reduced Complexity Multicast Beamforming and User Grouping for Multi-Antenna Coded Caching","publication_year":2023,"publication_date":"2023-06-06","ids":{"openalex":"https://openalex.org/W4385269814","doi":"https://doi.org/10.1109/eucnc/6gsummit58263.2023.10188253"},"language":"en","primary_location":{"id":"doi:10.1109/eucnc/6gsummit58263.2023.10188253","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/eucnc/6gsummit58263.2023.10188253","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 Joint European Conference on Networks and Communications &amp; 6G Summit (EuCNC/6G Summit)","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/A5092545320","display_name":"Shanuka R. Gamaethige","orcid":null},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Shanuka R. Gamaethige","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079446715","display_name":"Hamidreza Bakhshzad Mahmoodi","orcid":"https://orcid.org/0000-0002-2325-2214"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Hamidreza B. Mahmoodi","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107503493","display_name":"Mohammadjavad Salehi","orcid":null},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Mohammadjavad Salehi","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008700987","display_name":"Himal A. Suraweera","orcid":"https://orcid.org/0000-0003-4743-7528"},"institutions":[{"id":"https://openalex.org/I111199411","display_name":"University of Peradeniya","ror":"https://ror.org/025h79t26","country_code":"LK","type":"education","lineage":["https://openalex.org/I111199411"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Himal A. Suraweera","raw_affiliation_strings":["University of Peradeniya,Department of Electrical and Electronic Engineering,Sri Lanka","Department of Electrical and Electronic Engineering, University of Peradeniya, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"University of Peradeniya,Department of Electrical and Electronic Engineering,Sri Lanka","institution_ids":["https://openalex.org/I111199411"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Peradeniya, Sri Lanka","institution_ids":["https://openalex.org/I111199411"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039827493","display_name":"Antti T\u00f6lli","orcid":"https://orcid.org/0000-0001-6219-9770"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Antti T\u00f6lli","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications,Oulu,Finland,90570","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5092545320"],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09630322,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"222","last_page":"227"},"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":0.9987000226974487,"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":0.9595999717712402,"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/multicast","display_name":"Multicast","score":0.8300489187240601},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7511404156684875},{"id":"https://openalex.org/keywords/unicast","display_name":"Unicast","score":0.7362167239189148},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6570997834205627},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6144021153450012},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.555973470211029},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5296359062194824},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4871182441711426},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.48599132895469666},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4691578149795532},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4635343551635742},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4212832450866699},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.40088266134262085},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.38045206665992737},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3649592399597168},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3325593173503876},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20705151557922363},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15844222903251648},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.0762006938457489}],"concepts":[{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.8300489187240601},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7511404156684875},{"id":"https://openalex.org/C11704745","wikidata":"https://www.wikidata.org/wiki/Q918337","display_name":"Unicast","level":3,"score":0.7362167239189148},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6570997834205627},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6144021153450012},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.555973470211029},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5296359062194824},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4871182441711426},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.48599132895469666},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4691578149795532},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4635343551635742},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4212832450866699},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40088266134262085},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.38045206665992737},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3649592399597168},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3325593173503876},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20705151557922363},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15844222903251648},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0762006938457489},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/eucnc/6gsummit58263.2023.10188253","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/eucnc/6gsummit58263.2023.10188253","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 Joint European Conference on Networks and Communications &amp; 6G Summit (EuCNC/6G Summit)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.7900000214576721}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2083766832","https://openalex.org/W2106248279","https://openalex.org/W2121895216","https://openalex.org/W2169363112","https://openalex.org/W2525223697","https://openalex.org/W2767375015","https://openalex.org/W2805337448","https://openalex.org/W2963102996","https://openalex.org/W2963345310","https://openalex.org/W2963664701","https://openalex.org/W3023940643","https://openalex.org/W3045495592","https://openalex.org/W3100546252","https://openalex.org/W3206048928","https://openalex.org/W4225615937","https://openalex.org/W4286969041","https://openalex.org/W6777514010","https://openalex.org/W6801476365"],"related_works":["https://openalex.org/W1966768284","https://openalex.org/W2141226803","https://openalex.org/W1972955796","https://openalex.org/W2978800595","https://openalex.org/W2219910205","https://openalex.org/W1541857863","https://openalex.org/W207048982","https://openalex.org/W2026651734","https://openalex.org/W2385427787","https://openalex.org/W2028287290"],"abstract_inverted_index":{"A":[0],"new":[1],"user-grouping":[2],"method":[3],"for":[4,83,109,131],"multi":[5],"antenna":[6,128],"coded":[7],"caching":[8,21],"(CC)":[9],"is":[10,70,153,160],"proposed,":[11],"able":[12],"to":[13,39],"simultaneously":[14],"exploit":[15],"spatial":[16],"multiplexing,":[17],"multicasting,":[18],"and":[19,35,50,61,155,168],"global":[20,51],"gains.":[22],"The":[23,55,90],"proposed":[24,56,116,151],"scheme":[25,57,117,152],"achieves":[26],"the":[27,95,101,115,125,132,142,147,150,157,163,166],"theoretical":[28],"optimal":[29],"sum":[30],"degrees":[31],"of":[32,44,68,81,87,135,149,165],"freedom":[33],"(DoF)":[34],"can":[36,171],"be":[37,172],"applied":[38],"networks":[40],"with":[41,140,175],"any":[42,84],"number":[43],"users":[45],"K,":[46],"transmit":[47],"antennas":[48],"L,":[49],"CC":[52,129],"gain":[53],"t.":[54],"comprises":[58],"both":[59],"multicast":[60],"unicast":[62],"transmissions":[63],"wherein":[64],"a":[65,73,105,121,177],"suitable":[66],"combination":[67],"messages":[69],"chosen":[71],"exploiting":[72],"tree":[74],"diagram":[75],"structure":[76,92],"thus":[77,103],"guaranteeing":[78],"symmetric":[79],"transmission":[80],"data":[82],"given":[85],"set":[86],"network":[88],"parameters.":[89],"same":[91,143],"also":[93],"removes":[94],"successive":[96],"interference":[97],"cancellation":[98],"requirement":[99],"at":[100],"receivers,":[102],"enabling":[104],"simple":[106],"linear":[107],"design":[108],"optimized":[110],"beamformers.":[111],"Moreover,":[112],"even":[113],"though":[114],"in":[118,156],"general":[119],"requires":[120],"larger":[122],"subpacketization":[123,144],"than":[124],"original":[126],"single":[127],"scheme,":[130],"particular":[133],"case":[134],"<tex>$\\frac{t+L}{t+1}\\in":[136],"\\mathbb{N}$</tex>,":[137],"it":[138,159],"works":[139],"exactly":[141],"value.":[145],"Finally,":[146],"achievability":[148],"proven,":[154],"simulations,":[158],"demonstrated":[161],"that":[162],"complexity":[164],"transmitter":[167],"receiver":[169],"implementations":[170],"greatly":[173],"reduced":[174],"only":[176],"modest":[178],"performance":[179],"loss.":[180]},"counts_by_year":[],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}
