{"id":"https://openalex.org/W4379805588","doi":"https://doi.org/10.1109/lwc.2023.3284349","title":"Regularization for Cholesky Decomposition in Massive MIMO Detection","display_name":"Regularization for Cholesky Decomposition in Massive MIMO Detection","publication_year":2023,"publication_date":"2023-06-08","ids":{"openalex":"https://openalex.org/W4379805588","doi":"https://doi.org/10.1109/lwc.2023.3284349"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2023.3284349","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3284349","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-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/A5091632623","display_name":"Alexander Osinsky","orcid":"https://orcid.org/0000-0002-9956-8223"},"institutions":[{"id":"https://openalex.org/I125989756","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143","country_code":"RU","type":"education","lineage":["https://openalex.org/I125989756"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"Alexander Osinsky","raw_affiliation_strings":["Skolkovo Institute of Science and Technology, Moscow, Russia"],"affiliations":[{"raw_affiliation_string":"Skolkovo Institute of Science and Technology, Moscow, Russia","institution_ids":["https://openalex.org/I125989756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021225703","display_name":"Roman Bychkov","orcid":"https://orcid.org/0000-0001-7648-5399"},"institutions":[{"id":"https://openalex.org/I125989756","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143","country_code":"RU","type":"education","lineage":["https://openalex.org/I125989756"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Roman Bychkov","raw_affiliation_strings":["Skolkovo Institute of Science and Technology, Moscow, Russia"],"affiliations":[{"raw_affiliation_string":"Skolkovo Institute of Science and Technology, Moscow, Russia","institution_ids":["https://openalex.org/I125989756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012752980","display_name":"Mikhail Trefilov","orcid":null},"institutions":[{"id":"https://openalex.org/I153845743","display_name":"Moscow Institute of Physics and Technology","ror":"https://ror.org/00v0z9322","country_code":"RU","type":"education","lineage":["https://openalex.org/I153845743"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Mikhail Trefilov","raw_affiliation_strings":["Moscow Institute of Physics and Technology, Moscow, Russia"],"affiliations":[{"raw_affiliation_string":"Moscow Institute of Physics and Technology, Moscow, Russia","institution_ids":["https://openalex.org/I153845743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064371342","display_name":"Vladimir Lyashev","orcid":"https://orcid.org/0000-0002-6993-1589"},"institutions":[{"id":"https://openalex.org/I153845743","display_name":"Moscow Institute of Physics and Technology","ror":"https://ror.org/00v0z9322","country_code":"RU","type":"education","lineage":["https://openalex.org/I153845743"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Vladimir Lyashev","raw_affiliation_strings":["Moscow Institute of Physics and Technology, Moscow, Russia"],"affiliations":[{"raw_affiliation_string":"Moscow Institute of Physics and Technology, Moscow, Russia","institution_ids":["https://openalex.org/I153845743"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068675018","display_name":"Andrey Ivanov","orcid":"https://orcid.org/0000-0001-9107-3368"},"institutions":[{"id":"https://openalex.org/I125989756","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143","country_code":"RU","type":"education","lineage":["https://openalex.org/I125989756"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Andrey Ivanov","raw_affiliation_strings":["Skolkovo Institute of Science and Technology, Moscow, Russia"],"affiliations":[{"raw_affiliation_string":"Skolkovo Institute of Science and Technology, Moscow, Russia","institution_ids":["https://openalex.org/I125989756"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5091632623"],"corresponding_institution_ids":["https://openalex.org/I125989756"],"apc_list":null,"apc_paid":null,"fwci":1.4727,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.81881419,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"12","issue":"9","first_page":"1603","last_page":"1607"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9932000041007996,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9932000041007996,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9930999875068665,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9929999709129333,"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/cholesky-decomposition","display_name":"Cholesky decomposition","score":0.9152370691299438},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.820787250995636},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.6988958716392517},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6642751693725586},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.6289984583854675},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5629286766052246},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.4594041407108307},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3884460926055908},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.30040594935417175},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24606773257255554},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13820147514343262},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.11070060729980469},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08734142780303955}],"concepts":[{"id":"https://openalex.org/C34727166","wikidata":"https://www.wikidata.org/wiki/Q515375","display_name":"Cholesky decomposition","level":3,"score":0.9152370691299438},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.820787250995636},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.6988958716392517},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6642751693725586},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.6289984583854675},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5629286766052246},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.4594041407108307},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3884460926055908},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.30040594935417175},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24606773257255554},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13820147514343262},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.11070060729980469},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08734142780303955},{"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2023.3284349","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3284349","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.7599999904632568}],"awards":[{"id":"https://openalex.org/G2392602428","display_name":null,"funder_award_id":"21-11-00373","funder_id":"https://openalex.org/F4320324099","funder_display_name":"Russian Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320324099","display_name":"Russian Science Foundation","ror":"https://ror.org/03y2gwe85"},{"id":"https://openalex.org/F4320324442","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1483820693","https://openalex.org/W1813708725","https://openalex.org/W2072175279","https://openalex.org/W2094655360","https://openalex.org/W2139317044","https://openalex.org/W2216747122","https://openalex.org/W2566207107","https://openalex.org/W2605344455","https://openalex.org/W2903589674","https://openalex.org/W2907314364","https://openalex.org/W2997929922","https://openalex.org/W3021533742","https://openalex.org/W3048844695","https://openalex.org/W3080708342","https://openalex.org/W3092006823","https://openalex.org/W3100575161","https://openalex.org/W3165943966"],"related_works":["https://openalex.org/W2403987929","https://openalex.org/W2039814159","https://openalex.org/W2374847384","https://openalex.org/W2063512590","https://openalex.org/W2107649022","https://openalex.org/W2356488190","https://openalex.org/W2079508979","https://openalex.org/W2766670065","https://openalex.org/W2739538516","https://openalex.org/W2127054029"],"abstract_inverted_index":{"In":[0,68],"this":[1],"letter,":[2],"we":[3],"propose":[4],"a":[5],"new":[6],"regularization":[7,78],"approach":[8,59],"to":[9,17,63],"low-precision":[10],"Cholesky":[11],"decomposition.":[12],"This":[13],"decomposition":[14],"is":[15],"employed":[16],"inverse":[18],"an":[19],"ill-conditioned":[20],"matrix":[21],"in":[22,41,46],"the":[23,27,51,64],"linear":[24],"detector":[25],"of":[26],"Multi-User":[28],"Massive":[29],"Multiple":[30,32],"Input,":[31],"Output":[33],"(MU-MIMO)":[34],"receivers.":[35],"The":[36],"proposed":[37],"method":[38],"was":[39],"implemented":[40],"half-precision":[42],"format":[43],"and":[44],"tested":[45],"realistic":[47],"scenarios":[48],"generated":[49],"by":[50],"QuaDRiGa":[52],"2.0":[53],"channel.":[54],"Simulations":[55],"show":[56],"that":[57],"our":[58],"demonstrates":[60],"performance":[61],"close":[62],"single":[65],"precision":[66],"implementation.":[67],"high":[69],"interference":[70],"scenarios,":[71],"it":[72],"outperforms":[73],"state-of-the-art":[74],"alternatives,":[75],"such":[76],"as":[77],"based":[79],"on":[80],"weighted":[81],"noise":[82],"power.":[83]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
