{"id":"https://openalex.org/W1993348793","doi":"https://doi.org/10.1109/allerton.2013.6736528","title":"Pilot contamination precoding for interference reduction in large scale antenna systems","display_name":"Pilot contamination precoding for interference reduction in large scale antenna systems","publication_year":2013,"publication_date":"2013-10-01","ids":{"openalex":"https://openalex.org/W1993348793","doi":"https://doi.org/10.1109/allerton.2013.6736528","mag":"1993348793"},"language":"en","primary_location":{"id":"doi:10.1109/allerton.2013.6736528","is_oa":false,"landing_page_url":"https://doi.org/10.1109/allerton.2013.6736528","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 51st Annual Allerton Conference on Communication, Control, and Computing (Allerton)","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/A5101844840","display_name":"Liangbin Li","orcid":"https://orcid.org/0000-0002-2762-7327"},"institutions":[{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Liangbin Li","raw_affiliation_strings":["Center for Pervasive Communications & Computing, University of California, Irvine","Center for Pervasive Commun. & Comput., Univ. of California Irvine, Irvine, CA, USA"],"affiliations":[{"raw_affiliation_string":"Center for Pervasive Communications & Computing, University of California, Irvine","institution_ids":["https://openalex.org/I204250578"]},{"raw_affiliation_string":"Center for Pervasive Commun. & Comput., Univ. of California Irvine, Irvine, CA, USA","institution_ids":["https://openalex.org/I204250578"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088515682","display_name":"Alexei Ashikhmin","orcid":"https://orcid.org/0000-0002-7016-1614"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexei Ashikhmin","raw_affiliation_strings":["Alcatel-Lucent Bell Labs, Murray Hill, NJ","Alcatel-Lucent/Bell Labs, Murray Hill, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Alcatel-Lucent Bell Labs, Murray Hill, NJ","institution_ids":[]},{"raw_affiliation_string":"Alcatel-Lucent/Bell Labs, Murray Hill, NJ, USA","institution_ids":["https://openalex.org/I72090969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014805999","display_name":"Thomas L. Marzetta","orcid":"https://orcid.org/0000-0002-9105-405X"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas Marzetta","raw_affiliation_strings":["Alcatel-Lucent Bell Labs, Murray Hill, NJ","Alcatel-Lucent/Bell Labs, Murray Hill, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Alcatel-Lucent Bell Labs, Murray Hill, NJ","institution_ids":[]},{"raw_affiliation_string":"Alcatel-Lucent/Bell Labs, Murray Hill, NJ, USA","institution_ids":["https://openalex.org/I72090969"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101844840"],"corresponding_institution_ids":["https://openalex.org/I204250578"],"apc_list":null,"apc_paid":null,"fwci":1.8916,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.86616152,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"226","last_page":"232"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9990000128746033,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9979000091552734,"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/precoding","display_name":"Precoding","score":0.8859399557113647},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7303381562232971},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7024810314178467},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6799999475479126},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6452620029449463},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6236871480941772},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.6145521402359009},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5796135067939758},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.5508121848106384},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.449990451335907},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.44478851556777954},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4220947027206421},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38226237893104553},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2779926061630249},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.2590256929397583},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23347485065460205},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11767646670341492},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.11252844333648682}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8859399557113647},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7303381562232971},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7024810314178467},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6799999475479126},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6452620029449463},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6236871480941772},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.6145521402359009},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5796135067939758},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.5508121848106384},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.449990451335907},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.44478851556777954},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4220947027206421},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38226237893104553},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2779926061630249},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.2590256929397583},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23347485065460205},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11767646670341492},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.11252844333648682},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/allerton.2013.6736528","is_oa":false,"landing_page_url":"https://doi.org/10.1109/allerton.2013.6736528","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 51st Annual Allerton Conference on Communication, Control, and Computing (Allerton)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8899999856948853,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2013546591","https://openalex.org/W2027266580","https://openalex.org/W2109005286","https://openalex.org/W2121233130","https://openalex.org/W2132881059","https://openalex.org/W2147601077","https://openalex.org/W2159684965","https://openalex.org/W4250589301","https://openalex.org/W6653883712"],"related_works":["https://openalex.org/W2111825998","https://openalex.org/W2326544815","https://openalex.org/W1973158664","https://openalex.org/W1731022149","https://openalex.org/W1996933839","https://openalex.org/W2000226056","https://openalex.org/W4386858283","https://openalex.org/W3190864439","https://openalex.org/W1979957996","https://openalex.org/W1993945082"],"abstract_inverted_index":{"A":[0],"large":[1,8,24],"scale":[2],"antenna":[3,97],"system":[4],"(LSAS)":[5],"entails":[6],"a":[7,16,54,145],"number":[9,19,40,65],"of":[10,20,38,41,46,66,79,106],"base":[11],"station":[12],"(BS)":[13],"antennas":[14,68],"serving":[15],"much":[17],"smaller":[18],"terminals.":[21],"LSAS":[22,47],"demonstrates":[23],"gain":[25],"in":[26,83,94,144],"spectral-efficiency":[27],"and":[28,133],"energy-efficiency":[29],"compared":[30],"with":[31,149],"conventional":[32,161],"MIMO":[33],"schemes.":[34],"In":[35,86],"the":[36,44,64,95,112,117],"regime":[37],"infinite":[39],"BS":[42,67],"antennas,":[43,153],"performance":[45],"can":[48],"be":[49],"improved":[50],"unboundedly":[51],"by":[52],"using":[53],"multi-cell":[55],"cooperation":[56],"method":[57],"called":[58],"pilot":[59,81,101],"contamination":[60],"precoding":[61],"(PCP).":[62],"As":[63],"grows":[69],"PCP":[70,92,113,139],"completely":[71],"cancels":[72],"inter-cell":[73],"interference":[74,107],"resulted":[75],"from":[76],"unavoidable":[77],"use":[78],"nonorthogonal":[80],"sequences":[82],"neighboring":[84],"cells.":[85],"this":[87],"paper,":[88],"we":[89],"consider":[90],"downlink":[91],"design":[93,114],"finite":[96],"regime,":[98],"where":[99],"besides":[100],"contamination,":[102],"three":[103],"other":[104],"types":[105],"become":[108],"prominent.":[109],"We":[110,130,141],"formulate":[111],"as":[115],"maximizing":[116],"minimum":[118],"signal":[119],"to":[120,125],"interference-plus-noise":[121],"ratio":[122],"(SINR)":[123],"subject":[124],"network":[126],"sum":[127],"power":[128],"constraint.":[129],"propose":[131],"optimal":[132],"simple":[134],"suboptimal":[135],"algorithms":[136],"for":[137],"finding":[138],"matrices.":[140],"show":[142],"that":[143],"practical":[146],"scenario,":[147],"say":[148],"M":[150],"=":[151],"100":[152],"these":[154],"approaches":[155],"give":[156],"very":[157],"significant":[158],"improvement":[159],"over":[160],"LSASs.":[162]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}