{"id":"https://openalex.org/W2291859913","doi":"https://doi.org/10.1109/lwc.2015.2505727","title":"Performance of an \u21131 Regularized Subspace-Based MIMO Channel Estimation With Random Sequences","display_name":"Performance of an \u21131 Regularized Subspace-Based MIMO Channel Estimation With Random Sequences","publication_year":2015,"publication_date":"2015-12-04","ids":{"openalex":"https://openalex.org/W2291859913","doi":"https://doi.org/10.1109/lwc.2015.2505727","mag":"2291859913"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2015.2505727","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2015.2505727","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":true,"oa_status":"green","oa_url":"https://dspace.jaist.ac.jp/dspace/bitstream/10119/12999/1/22259.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103182682","display_name":"Yasuhiro Takano","orcid":"https://orcid.org/0000-0002-0266-8368"},"institutions":[{"id":"https://openalex.org/I177738480","display_name":"Japan Advanced Institute of Science and Technology","ror":"https://ror.org/03frj4r98","country_code":"JP","type":"education","lineage":["https://openalex.org/I177738480"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasuhiro Takano","raw_affiliation_strings":["Japan Advanced Institute of Science and Technology (JAIST), Nomi, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Advanced Institute of Science and Technology (JAIST), Nomi, Japan","institution_ids":["https://openalex.org/I177738480"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029534229","display_name":"Markku Juntti","orcid":"https://orcid.org/0000-0002-5413-1896"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Markku Juntti","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109145935","display_name":"Tad Matsumoto","orcid":null},"institutions":[{"id":"https://openalex.org/I177738480","display_name":"Japan Advanced Institute of Science and Technology","ror":"https://ror.org/03frj4r98","country_code":"JP","type":"education","lineage":["https://openalex.org/I177738480"]},{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI","JP"],"is_corresponding":false,"raw_author_name":"Tad Matsumoto","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Oulu, Finland","Japan Advanced Institute of Science and Technology (JAIST), Nomi, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Japan Advanced Institute of Science and Technology (JAIST), Nomi, Japan","institution_ids":["https://openalex.org/I177738480"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5831,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.73335491,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"5","issue":"1","first_page":"112","last_page":"115"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9995999932289124,"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":0.9983999729156494,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.7622661590576172},{"id":"https://openalex.org/keywords/uncorrelated","display_name":"Uncorrelated","score":0.6480662226676941},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6391386389732361},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5734316110610962},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5551102161407471},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49890804290771484},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4904765784740448},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.46458131074905396},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4429299235343933},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4122008681297302},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3286352753639221},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.26050686836242676},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17210891842842102},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15543168783187866}],"concepts":[{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.7622661590576172},{"id":"https://openalex.org/C169345407","wikidata":"https://www.wikidata.org/wiki/Q8216221","display_name":"Uncorrelated","level":2,"score":0.6480662226676941},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6391386389732361},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5734316110610962},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5551102161407471},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49890804290771484},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4904765784740448},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.46458131074905396},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4429299235343933},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4122008681297302},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3286352753639221},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.26050686836242676},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17210891842842102},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15543168783187866},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lwc.2015.2505727","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2015.2505727","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"},{"id":"pmh:oai:irdb.nii.ac.jp:01333:0002026055","is_oa":true,"landing_page_url":"http://hdl.handle.net/10119/12999","pdf_url":"https://dspace.jaist.ac.jp/dspace/bitstream/10119/12999/1/22259.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal article"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:01333:0002026055","is_oa":true,"landing_page_url":"http://hdl.handle.net/10119/12999","pdf_url":"https://dspace.jaist.ac.jp/dspace/bitstream/10119/12999/1/22259.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2291859913.pdf","grobid_xml":"https://content.openalex.org/works/W2291859913.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W1984386576","https://openalex.org/W2023535408","https://openalex.org/W2142635246","https://openalex.org/W2144089967","https://openalex.org/W2181128393","https://openalex.org/W4229706427"],"related_works":["https://openalex.org/W2360779366","https://openalex.org/W1980381208","https://openalex.org/W2027155377","https://openalex.org/W1972654397","https://openalex.org/W2364594919","https://openalex.org/W2167092671","https://openalex.org/W1995027010","https://openalex.org/W4390523528","https://openalex.org/W2076370413","https://openalex.org/W1861706286"],"abstract_inverted_index":{"The":[0,51],"conventional":[1],"\u21132":[2,20,85],"multiburst":[3],"(MB)":[4],"channel":[5,55,64,79],"estimation":[6,56,80],"can":[7,77],"achieve":[8],"the":[9,15,19,25,30,41,60,74,84,95],"Cram\u00e9r-Rao":[10],"bound":[11],"asymptotically":[12],"by":[13,45,62],"using":[14],"subspace":[16],"projection.":[17],"However,":[18],"MB":[21,54,76,86],"technique":[22,87],"suffers":[23],"from":[24],"noise":[26,48],"enhancement":[27],"problem":[28,42,61],"if":[29],"training":[31],"sequences":[32],"(TSs)":[33],"are":[34,97],"not":[35,98,102],"ideally":[36,103],"uncorrelated.":[37,104],"We":[38],"clarify":[39],"that":[40,73],"is":[43],"caused":[44],"an":[46],"inaccurate":[47],"whitening":[49],"process.":[50],"\u21131":[52,75],"regularized":[53],"can,":[57],"however,":[58],"improve":[59,78],"a":[63,89],"impulse":[65],"response":[66],"length":[67],"constraint.":[68],"Asymptotic":[69],"performance":[70,81],"analysis":[71],"shows":[72],"significantly":[82],"over":[83],"in":[88],"massive":[90],"multiple-input":[91],"multiple-output":[92],"system":[93],"when":[94],"TSs":[96],"long":[99],"enough":[100],"and":[101]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}