{"id":"https://openalex.org/W4414647781","doi":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174837","title":"Newmann Series-Based Precoding Weight Design for Multi-User Massive MIMO Null-Space Expansion","display_name":"Newmann Series-Based Precoding Weight Design for Multi-User Massive MIMO Null-Space Expansion","publication_year":2025,"publication_date":"2025-06-17","ids":{"openalex":"https://openalex.org/W4414647781","doi":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174837"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2025-spring65109.2025.11174837","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174837","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring)","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/A5109483961","display_name":"Yuki Sasaki","orcid":"https://orcid.org/0009-0002-2622-833X"},"institutions":[{"id":"https://openalex.org/I161296585","display_name":"Tokyo University of Science","ror":"https://ror.org/05sj3n476","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuki Sasaki","raw_affiliation_strings":["Graduate, School of Engineering, Tokyo University of Science,Department of Electrical Engineering,Tokyo,Japan"],"affiliations":[{"raw_affiliation_string":"Graduate, School of Engineering, Tokyo University of Science,Department of Electrical Engineering,Tokyo,Japan","institution_ids":["https://openalex.org/I161296585"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044891070","display_name":"Salah Berra","orcid":"https://orcid.org/0000-0002-8735-042X"},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Salah Berra","raw_affiliation_strings":["Information Systems Architecture Science Research Division, National Institute of Informatics,Tokyo,Japan,101\u20138430"],"affiliations":[{"raw_affiliation_string":"Information Systems Architecture Science Research Division, National Institute of Informatics,Tokyo,Japan,101\u20138430","institution_ids":["https://openalex.org/I184597095"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033495179","display_name":"Sourav Chakraborty","orcid":"https://orcid.org/0000-0001-6866-9374"},"institutions":[{"id":"https://openalex.org/I2611379103","display_name":"Cooch Behar Panchanan Barma University","ror":"https://ror.org/0599t2n59","country_code":"IN","type":"education","lineage":["https://openalex.org/I2611379103"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sourav Chakraborty","raw_affiliation_strings":["Cooch Behar Government Engineering College,Department of Electronics and Communication Engineering,Cooch Behar,India,736170"],"affiliations":[{"raw_affiliation_string":"Cooch Behar Government Engineering College,Department of Electronics and Communication Engineering,Cooch Behar,India,736170","institution_ids":["https://openalex.org/I2611379103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091566433","display_name":"Jin Nakazato","orcid":"https://orcid.org/0000-0002-2394-267X"},"institutions":[{"id":"https://openalex.org/I161296585","display_name":"Tokyo University of Science","ror":"https://ror.org/05sj3n476","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jin Nakazato","raw_affiliation_strings":["Graduate, School of Engineering, Tokyo University of Science,Department of Electrical Engineering,Tokyo,Japan"],"affiliations":[{"raw_affiliation_string":"Graduate, School of Engineering, Tokyo University of Science,Department of Electrical Engineering,Tokyo,Japan","institution_ids":["https://openalex.org/I161296585"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034724801","display_name":"Rui Dinis","orcid":"https://orcid.org/0000-0002-8520-7267"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Rui Dinis","raw_affiliation_strings":["Instituto de Telecomunicacoes, FCT-UNL,Caparica,Portugal,2825\u2013515"],"affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicacoes, FCT-UNL,Caparica,Portugal,2825\u2013515","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002904170","display_name":"Kazuki Maruta","orcid":"https://orcid.org/0000-0001-9635-3182"},"institutions":[{"id":"https://openalex.org/I161296585","display_name":"Tokyo University of Science","ror":"https://ror.org/05sj3n476","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuki Maruta","raw_affiliation_strings":["Graduate, School of Engineering, Tokyo University of Science,Department of Electrical Engineering,Tokyo,Japan"],"affiliations":[{"raw_affiliation_string":"Graduate, School of Engineering, Tokyo University of Science,Department of Electrical Engineering,Tokyo,Japan","institution_ids":["https://openalex.org/I161296585"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5109483961"],"corresponding_institution_ids":["https://openalex.org/I161296585"],"apc_list":null,"apc_paid":null,"fwci":5.1063,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.95601456,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9983000159263611,"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"}},"topics":[{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9983000159263611,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9980999827384949,"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":0.9980999827384949,"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/precoding","display_name":"Precoding","score":0.7983999848365784},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6765999794006348},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5458999872207642},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.43309998512268066},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4262999892234802},{"id":"https://openalex.org/keywords/singularity","display_name":"Singularity","score":0.42410001158714294},{"id":"https://openalex.org/keywords/gramian-matrix","display_name":"Gramian matrix","score":0.4212999939918518},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.39890000224113464}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7983999848365784},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6765999794006348},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5458999872207642},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.508899986743927},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4388999938964844},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.43309998512268066},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4262999892234802},{"id":"https://openalex.org/C16171025","wikidata":"https://www.wikidata.org/wiki/Q863349","display_name":"Singularity","level":2,"score":0.42410001158714294},{"id":"https://openalex.org/C77246614","wikidata":"https://www.wikidata.org/wiki/Q1409400","display_name":"Gramian matrix","level":3,"score":0.4212999939918518},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4101000130176544},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.39890000224113464},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.3874000012874603},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3785000145435333},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.3440999984741211},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.29350000619888306},{"id":"https://openalex.org/C109282560","wikidata":"https://www.wikidata.org/wiki/Q4166054","display_name":"Singular value","level":3,"score":0.29170000553131104},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2849999964237213},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2838999927043915},{"id":"https://openalex.org/C186394612","wikidata":"https://www.wikidata.org/wiki/Q7098942","display_name":"Optimal design","level":2,"score":0.2833000123500824},{"id":"https://openalex.org/C186080144","wikidata":"https://www.wikidata.org/wiki/Q358733","display_name":"Series expansion","level":2,"score":0.2816999852657318},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.2736000120639801},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.26980000734329224},{"id":"https://openalex.org/C134466208","wikidata":"https://www.wikidata.org/wiki/Q1520657","display_name":"Weight function","level":2,"score":0.26969999074935913},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.2660999894142151},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.26489999890327454}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2025-spring65109.2025.11174837","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174837","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320325763","display_name":"Telecommunications Advancement Foundation","ror":"https://ror.org/05y77zf79"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1971443733","https://openalex.org/W1988299030","https://openalex.org/W2007258614","https://openalex.org/W2014447384","https://openalex.org/W2065489737","https://openalex.org/W2136228813","https://openalex.org/W2140173869","https://openalex.org/W2151795416","https://openalex.org/W2162153812","https://openalex.org/W2551881412","https://openalex.org/W2778151101","https://openalex.org/W2963263651","https://openalex.org/W4240959780","https://openalex.org/W4244230525","https://openalex.org/W4255362653","https://openalex.org/W4401509339","https://openalex.org/W4403296066","https://openalex.org/W4407456654"],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,79],"low-complexity":[4,80],"precoding":[5],"weight":[6,81],"suitable":[7],"for":[8,38,84],"multi-user":[9],"massive":[10],"multiple-input":[11],"multiple-output":[12],"(MU-mMIMO)":[13],"in":[14,41,50,66,95],"user":[15],"terminals'":[16],"(UTs')":[17],"mobility":[18,44],"environ-ment.":[19],"Null-space":[20],"expansion":[21],"(NSE)":[22],"achieves":[23],"better":[24],"inter-user":[25],"in-terference":[26],"(IUI)":[27],"suppression":[28,99],"performance":[29,100],"than":[30],"channel":[31],"prediction":[32],"schemes":[33],"by":[34],"steering":[35],"several":[36],"nulls":[37],"interfering":[39],"UTs":[40],"the":[42,53,60,63,73,89,92],"high":[43],"environment.":[45],"However,":[46],"NSE":[47],"faces":[48],"challenges":[49],"effectively":[51],"managing":[52],"computation":[54,102],"complexity":[55],"of":[56,62,91,97],"precoding.":[57],"Focusing":[58],"on":[59],"singularity":[61],"Gram":[64],"matrix":[65],"NSE,":[67],"we":[68],"incorporate":[69],"Ridge":[70],"regression":[71],"into":[72],"Newmann":[74],"series":[75],"(NS)":[76],"to":[77],"achieve":[78],"design":[82],"optimized":[83],"NSE.":[85],"Computer":[86],"simulation":[87],"demonstrates":[88],"superiority":[90],"proposed":[93],"scheme":[94],"terms":[96],"IUI":[98],"and":[101],"complexity.":[103]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}