{"id":"https://openalex.org/W2916415841","doi":"https://doi.org/10.1109/glocom.2018.8647861","title":"Covariance Shaping for Massive MIMO Systems","display_name":"Covariance Shaping for Massive MIMO Systems","publication_year":2018,"publication_date":"2018-12-01","ids":{"openalex":"https://openalex.org/W2916415841","doi":"https://doi.org/10.1109/glocom.2018.8647861","mag":"2916415841"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2018.8647861","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647861","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","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/A5022294134","display_name":"Placido Mursia","orcid":"https://orcid.org/0000-0003-0338-126X"},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Placido Mursia","raw_affiliation_strings":["EURECOM, Communication Systems Department, Sophia Antipolis, France","Communication Systems Department EURECOM Sophia\u2010Antipolis France"],"affiliations":[{"raw_affiliation_string":"EURECOM, Communication Systems Department, Sophia Antipolis, France","institution_ids":["https://openalex.org/I1902872"]},{"raw_affiliation_string":"Communication Systems Department EURECOM Sophia\u2010Antipolis France","institution_ids":["https://openalex.org/I1902872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086770810","display_name":"Italo Atzeni","orcid":"https://orcid.org/0000-0003-4363-396X"},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Italo Atzeni","raw_affiliation_strings":["EURECOM, Communication Systems Department, Sophia Antipolis, France","Communication Systems Department EURECOM Sophia\u2010Antipolis France"],"affiliations":[{"raw_affiliation_string":"EURECOM, Communication Systems Department, Sophia Antipolis, France","institution_ids":["https://openalex.org/I1902872"]},{"raw_affiliation_string":"Communication Systems Department EURECOM Sophia\u2010Antipolis France","institution_ids":["https://openalex.org/I1902872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021728919","display_name":"David Gesbert","orcid":"https://orcid.org/0000-0002-4806-704X"},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"David Gesbert","raw_affiliation_strings":["EURECOM, Communication Systems Department, Sophia Antipolis, France","Communication Systems Department EURECOM Sophia\u2010Antipolis France"],"affiliations":[{"raw_affiliation_string":"EURECOM, Communication Systems Department, Sophia Antipolis, France","institution_ids":["https://openalex.org/I1902872"]},{"raw_affiliation_string":"Communication Systems Department EURECOM Sophia\u2010Antipolis France","institution_ids":["https://openalex.org/I1902872"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064586027","display_name":"Laura Cottatellucci","orcid":"https://orcid.org/0000-0002-6641-8579"},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Laura Cottatellucci","raw_affiliation_strings":["EURECOM, Communication Systems Department, Sophia Antipolis, France","Communication Systems Department EURECOM Sophia\u2010Antipolis France"],"affiliations":[{"raw_affiliation_string":"EURECOM, Communication Systems Department, Sophia Antipolis, France","institution_ids":["https://openalex.org/I1902872"]},{"raw_affiliation_string":"Communication Systems Department EURECOM Sophia\u2010Antipolis France","institution_ids":["https://openalex.org/I1902872"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5022294134"],"corresponding_institution_ids":["https://openalex.org/I1902872"],"apc_list":null,"apc_paid":null,"fwci":0.7848,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.75300046,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/mimo","display_name":"MIMO","score":0.8348017930984497},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.8088847398757935},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.6866961717605591},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.664913535118103},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6173751950263977},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6098557114601135},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.5963284373283386},{"id":"https://openalex.org/keywords/kronecker-delta","display_name":"Kronecker delta","score":0.5400981903076172},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5331185460090637},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4740992486476898},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4686899483203888},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46630895137786865},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.45519930124282837},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.44285649061203003},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.4404307007789612},{"id":"https://openalex.org/keywords/analysis-of-covariance","display_name":"Analysis of covariance","score":0.43744727969169617},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3277099132537842},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2688973546028137},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.24710988998413086},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.07891911268234253}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8348017930984497},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.8088847398757935},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.6866961717605591},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.664913535118103},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6173751950263977},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6098557114601135},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.5963284373283386},{"id":"https://openalex.org/C39482219","wikidata":"https://www.wikidata.org/wiki/Q192826","display_name":"Kronecker delta","level":2,"score":0.5400981903076172},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5331185460090637},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4740992486476898},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4686899483203888},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46630895137786865},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.45519930124282837},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.44285649061203003},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.4404307007789612},{"id":"https://openalex.org/C119340705","wikidata":"https://www.wikidata.org/wiki/Q1628597","display_name":"Analysis of covariance","level":2,"score":0.43744727969169617},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3277099132537842},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2688973546028137},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.24710988998413086},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.07891911268234253},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocom.2018.8647861","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647861","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:fr.eurecom:5673","is_oa":false,"landing_page_url":"http://www.eurecom.fr/publication/5673","pdf_url":null,"source":{"id":"https://openalex.org/S4377196942","display_name":"Graduate School and Research Center in Digital Science (EURECOM)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1902872","host_organization_name":"EURECOM","host_organization_lineage":["https://openalex.org/I1902872"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"GLOBECOM 2018, IEEE Global Communications Conference,
\\n9-13 December 2018, Abu Dhabi, UAE","raw_type":"Conference"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.7300000190734863,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1508642566","https://openalex.org/W2035750833","https://openalex.org/W2064511203","https://openalex.org/W2098126478","https://openalex.org/W2103972037","https://openalex.org/W2111113050","https://openalex.org/W2119163179","https://openalex.org/W2121315337","https://openalex.org/W2128865660","https://openalex.org/W2141682101","https://openalex.org/W2142015064","https://openalex.org/W2145013959","https://openalex.org/W2162675362","https://openalex.org/W2483486758","https://openalex.org/W2610968021","https://openalex.org/W2615886008","https://openalex.org/W2892457533","https://openalex.org/W3098350033","https://openalex.org/W3103427516","https://openalex.org/W3106233732"],"related_works":["https://openalex.org/W2059318893","https://openalex.org/W2095582735","https://openalex.org/W1965698851","https://openalex.org/W3153509215","https://openalex.org/W834942123","https://openalex.org/W4232542516","https://openalex.org/W4301793409","https://openalex.org/W2952308006","https://openalex.org/W2003278768","https://openalex.org/W2766176120"],"abstract_inverted_index":{"The":[0,78],"low-rank":[1],"behavior":[2],"of":[3,110,133],"massive":[4],"multiple-input":[5],"multiple-output":[6],"(MIMO)":[7],"channel":[8,87,97],"covariance":[9,58,136],"matrices":[10],"and":[11,17,104],"its":[12],"exploitation":[13],"for":[14],"pilot":[15],"decontamination":[16],"statistical":[18,120],"beamforming":[19],"are":[20,69],"well":[21],"documented.":[22],"Existing":[23],"algorithms,":[24],"however,":[25],"rely":[26],"on":[27],"signal":[28],"subspace":[29],"separation":[30],"among":[31],"user":[32],"equipments":[33],"(UEs)":[34],"and,":[35],"as":[36,116],"such,":[37],"they":[38],"tend":[39],"to":[40,54,93,117,141],"fail":[41],"when":[42],"the":[43,61,64,67,91,96,101,119,129,134],"distance":[44],"between":[45,122],"UEs":[46,68],"becomes":[47],"small.":[48],"This":[49],"paper":[50],"proposes":[51],"a":[52],"solution":[53],"this":[55],"problem":[56],"via":[57],"shaping":[59,137],"at":[60,112],"UE-side":[62],"in":[63],"case":[65],"where":[66],"equipped":[70],"with":[71,139],"(a":[72],"small":[73],"number":[74],"of)":[75],"multiple":[76],"antennas.":[77],"key":[79],"resides":[80],"in:":[81],"i)":[82],"exploiting":[83],"general":[84],"non-Kronecker":[85],"MIMO":[86],"structures":[88],"that":[89],"allow":[90],"transmitter":[92],"suitably":[94],"alter":[95],"statistics":[98],"perceived":[99],"by":[100],"base":[102],"station,":[103],"ii)":[105],"sacrificing":[106],"some":[107],"spatial":[108],"degrees":[109],"freedom":[111],"each":[113],"UE":[114],"so":[115],"improve":[118],"orthogonality":[121],"closely":[123],"spaced":[124],"UEs.":[125],"Numerical":[126],"results":[127],"illustrate":[128],"sum-rate":[130],"performance":[131],"gains":[132],"proposed":[135],"method":[138],"respect":[140],"existing":[142],"ones.":[143]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}