{"id":"https://openalex.org/W2968688335","doi":"https://doi.org/10.1109/access.2019.2934090","title":"An Efficient Precoding Method for Improved Downlink Massive MIMO System","display_name":"An Efficient Precoding Method for Improved Downlink Massive MIMO System","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2968688335","doi":"https://doi.org/10.1109/access.2019.2934090","mag":"2968688335"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2934090","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2934090","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08793091.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08793091.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013857397","display_name":"Jae-Hyun Ro","orcid":null},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jae-Hyun Ro","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100403284","display_name":"Won\u2010Seok Lee","orcid":"https://orcid.org/0000-0002-5317-6136"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Won-Seok Lee","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052889861","display_name":"Jong-Gyu Ha","orcid":null},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jong-Gyu Ha","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032291620","display_name":"Hyoung\u2010Kyu Song","orcid":"https://orcid.org/0000-0002-3274-4982"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyoung-Kyu Song","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul, South Korea","institution_ids":["https://openalex.org/I28777354"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5013857397"],"corresponding_institution_ids":["https://openalex.org/I28777354"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.2103,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.7991365,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"7","issue":null,"first_page":"112318","last_page":"112326"},"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":0.9994000196456909,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.998199999332428,"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":0.9342038631439209},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6200612187385559},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5943038463592529},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.542119562625885},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.4979722499847412},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.4830196797847748},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3224709630012512},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3019312024116516},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.19755509495735168},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1316954791545868},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0796390175819397}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9342038631439209},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6200612187385559},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5943038463592529},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.542119562625885},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.4979722499847412},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.4830196797847748},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3224709630012512},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3019312024116516},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.19755509495735168},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1316954791545868},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0796390175819397},{"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/access.2019.2934090","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2934090","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08793091.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3d55f6771d524be289a5344df113616c","is_oa":true,"landing_page_url":"https://doaj.org/article/3d55f6771d524be289a5344df113616c","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 112318-112326 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2934090","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2934090","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08793091.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5400635996","display_name":null,"funder_award_id":"2017-0-00217","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G6072120315","display_name":null,"funder_award_id":"funded","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G7685055460","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"}],"funders":[{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2968688335.pdf","grobid_xml":"https://content.openalex.org/works/W2968688335.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W187077493","https://openalex.org/W1518945650","https://openalex.org/W1639008916","https://openalex.org/W1654832238","https://openalex.org/W1918848090","https://openalex.org/W1971443733","https://openalex.org/W2018385545","https://openalex.org/W2019412361","https://openalex.org/W2024705454","https://openalex.org/W2042195586","https://openalex.org/W2125210024","https://openalex.org/W2128513990","https://openalex.org/W2141682101","https://openalex.org/W2171066806","https://openalex.org/W2413227641","https://openalex.org/W2553455692","https://openalex.org/W2775780877","https://openalex.org/W2781555527","https://openalex.org/W3099108554","https://openalex.org/W3105013332","https://openalex.org/W3106282754","https://openalex.org/W6636926751"],"related_works":["https://openalex.org/W2111825998","https://openalex.org/W2326544815","https://openalex.org/W2489379490","https://openalex.org/W1973158664","https://openalex.org/W1731022149","https://openalex.org/W1996933839","https://openalex.org/W2000226056","https://openalex.org/W4315778014","https://openalex.org/W4386858283","https://openalex.org/W3141240674"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"an":[3,82],"efficient":[4,83],"precoding":[5,44,100],"method":[6],"based":[7,42,53],"on":[8],"Neumann":[9],"series":[10],"(NS)":[11],"to":[12,34,106,119,128,141,189],"improve":[13],"error":[14,62,170],"performances":[15],"for":[16,174,193],"already":[17],"developed":[18],"diagonal":[19,85,111,121,130,143],"NS":[20,41,49,88],"(DNS)":[21],"in":[22,64],"massive":[23,67],"MIMO":[24,68],"system.":[25],"The":[26,115,164],"conventional":[27,57,183,195],"DNS":[28,58,184],"has":[29,59],"very":[30,60,179,199],"low":[31,200],"complexity":[32],"compared":[33],"a":[35],"zero-forcing":[36],"(ZF)":[37],"and":[38,51,70,91,94,98,124,133,137,185],"any":[39],"other":[40],"ZF":[43,197],"methods":[45],"such":[46],"as":[47,75],"tri-diagonal":[48],"(TNS)":[50],"eigenvalue":[52],"NS.":[54],"However,":[55],"the":[56,76,107,154,175,182,190,194],"poor":[61],"performance":[63,71,173,192],"highly":[65],"correlated":[66],"system":[69],"degradations":[72],"are":[73,96,102,159],"severe":[74],"used":[77,104],"modulation":[78],"is":[79,117,126,139,178,186],"large.":[80],"For":[81,146],"precoding,":[84],"plus":[86],"columns":[87],"(DCNS)-1,":[89],"DCNS-k,":[90,148],"hybrid":[92,135],"DCNS-1":[93,116,136],"DCNS-U":[95,138],"proposed,":[97],"these":[99],"schemes":[101],"adaptively":[103],"according":[105],"number":[108],"of":[109],"total":[110],"dominant":[112,122,131,144],"active":[113,150],"users.":[114],"applied":[118,127,140],"fully":[120],"users":[123,151],"DCNS-k":[125],"non":[129],"users,":[132],"finally,":[134],"partially":[142],"systems.":[145],"improved":[147],"k":[149],"which":[152],"cause":[153],"largest":[155],"post":[156],"interference":[157],"power":[158],"selected":[160],"by":[161],"simple":[162],"calculations.":[163],"simulation":[165],"results":[166],"show":[167],"that":[168],"bit":[169],"rate":[171],"(BER)":[172],"proposed":[176],"scheme":[177],"higher":[180],"than":[181],"nearly":[187],"approximated":[188],"BER":[191],"optimal":[196],"with":[198],"complexity.":[201]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
