{"id":"https://openalex.org/W2050459611","doi":"https://doi.org/10.1109/glocomw.2012.6477657","title":"A new approach to beamformer design for massive MIMO systems based on k-Regularity","display_name":"A new approach to beamformer design for massive MIMO systems based on k-Regularity","publication_year":2012,"publication_date":"2012-12-01","ids":{"openalex":"https://openalex.org/W2050459611","doi":"https://doi.org/10.1109/glocomw.2012.6477657","mag":"2050459611"},"language":"en","primary_location":{"id":"doi:10.1109/glocomw.2012.6477657","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2012.6477657","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Globecom Workshops","raw_type":"proceedings-article"},"type":"conference-paper","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/A5086506895","display_name":"Gilwon Lee","orcid":"https://orcid.org/0000-0003-2135-8768"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Gilwon Lee","raw_affiliation_strings":["Department of Electrical Engineering, KAIST, Daejeon, South Korea","Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, KAIST, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036133306","display_name":"Juho Park","orcid":"https://orcid.org/0000-0001-8228-741X"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Juho Park","raw_affiliation_strings":["Department of Electrical Engineering, KAIST, Daejeon, South Korea","Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, KAIST, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020240958","display_name":"Youngchul Sung","orcid":"https://orcid.org/0000-0003-4536-6690"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Youngchul Sung","raw_affiliation_strings":["Department of Electrical Engineering, KAIST, Daejeon, South Korea","Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, KAIST, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101974368","display_name":"Junyeong Seo","orcid":"https://orcid.org/0000-0003-2912-1845"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Junyeong Seo","raw_affiliation_strings":["Department of Electrical Engineering, KAIST, Daejeon, South Korea","Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, KAIST, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Dept. of Electrical Engineering, KAIST, Daejeon, South Korea 305-701","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":3.2985,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.92853916,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"3","issue":null,"first_page":"686","last_page":"690"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9995999932289124,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8527078628540039},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7970472574234009},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.6148039698600769},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5706647634506226},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5509596467018127},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5140813589096069},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3643096685409546},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3597298264503479},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2712169885635376},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.11893671751022339}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8527078628540039},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7970472574234009},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.6148039698600769},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5706647634506226},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5509596467018127},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5140813589096069},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3643096685409546},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3597298264503479},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2712169885635376},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.11893671751022339}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocomw.2012.6477657","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2012.6477657","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Globecom Workshops","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.727.9243","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.727.9243","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://wisrl.kaist.ac.kr/papers/LeeParkSungSeo12GCWS.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1493250972","https://openalex.org/W2006262045","https://openalex.org/W2025138368","https://openalex.org/W2100556411","https://openalex.org/W2109792745","https://openalex.org/W2112964915","https://openalex.org/W2124988108","https://openalex.org/W2128513990","https://openalex.org/W2130509920","https://openalex.org/W2138947422","https://openalex.org/W2145233693","https://openalex.org/W2147601077","https://openalex.org/W2160837607","https://openalex.org/W2296616510","https://openalex.org/W2950295166","https://openalex.org/W3106282754","https://openalex.org/W3145998509","https://openalex.org/W4250955649","https://openalex.org/W6681903983"],"related_works":["https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W1971477554","https://openalex.org/W818226659","https://openalex.org/W2923631784","https://openalex.org/W4311414679","https://openalex.org/W2567141277","https://openalex.org/W2130785056","https://openalex.org/W2132841313","https://openalex.org/W2724724053"],"abstract_inverted_index":{"In":[0,36],"this":[1],"paper,":[2],"a":[3,28],"new":[4],"beamformer":[5,84,113,142],"design":[6,114,131],"paradigm,":[7],"named":[8],"k-regular":[9,39,83,132,141],"beamformer,":[10],"is":[11,50],"proposed":[12,38,82,129,140],"for":[13,47,171,174],"massive":[14,175],"multiple-input":[15],"multiple-output":[16],"(MIMO)":[17],"transmission":[18,49],"systems":[19],"to":[20,27,58,68,90,92,96,130],"achieve":[21],"most":[22,158],"of":[23,43,61,159],"the":[24,37,69,78,100,116,122,139,149,160],"gain":[25,151],"inherent":[26],"large":[29],"antenna":[30,72,87,154],"array":[31],"without":[32],"too":[33],"much":[34],"complexity.":[35],"beamforming":[40,133],"scheme,":[41],"each":[42],"multiple":[44],"data":[45],"streams":[46],"MIMO":[48,176],"multiplied":[51],"by":[52,98],"k":[53,59,146],"complex":[54],"gains":[55],"and":[56,65,75,103,110,121,156],"assigned":[57,67,79],"out":[60],"available":[62],"NTtransmit":[63],"antennas,":[64],"signals":[66],"same":[70],"transmit":[71],"are":[73,128],"added":[74],"transmitted":[76],"through":[77],"antenna.":[80],"The":[81],"can":[85],"implement":[86],"selection":[88,155],"(corresponding":[89,95],"k=1)":[91],"optimal":[93,161,172],"eigen-beamforming":[94,162,173],"k=NT)":[97],"controlling":[99],"parameter":[101],"k,":[102],"thus":[104],"enables":[105],"arbitrary":[106],"trade-off":[107],"between":[108],"complexity":[109,167],"performance.":[111],"Two":[112],"algorithms,":[115],"maximum":[117],"correlation":[118],"method":[119],"(MCM)":[120],"projected":[123],"iterative":[124],"shrinkage-thresholding":[125],"algorithm":[126],"(PISTA),":[127],"matrices.":[134],"Numerical":[135],"results":[136],"show":[137],"that":[138,169],"even":[143],"with":[144,164],"small":[145],"significantly":[147],"improves":[148],"rate":[150],"over":[152],"simple":[153],"achieves":[157],"performance":[163],"far":[165],"less":[166],"than":[168],"required":[170],"transmission.":[177]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}