{"id":"https://openalex.org/W3160836330","doi":"https://doi.org/10.1109/lcomm.2021.3081733","title":"Spatially Asymptotic Behavior of Structured Covariance Matrix Estimation for Massive MIMO","display_name":"Spatially Asymptotic Behavior of Structured Covariance Matrix Estimation for Massive MIMO","publication_year":2021,"publication_date":"2021-05-19","ids":{"openalex":"https://openalex.org/W3160836330","doi":"https://doi.org/10.1109/lcomm.2021.3081733","mag":"3160836330"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3081733","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3081733","pdf_url":"https://ieeexplore.ieee.org/ielx7/4234/9511498/09435337.pdf","source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://ieeexplore.ieee.org/ielx7/4234/9511498/09435337.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048994008","display_name":"Jinhui Chen","orcid":"https://orcid.org/0000-0002-4825-2632"},"institutions":[{"id":"https://openalex.org/I78675632","display_name":"Beijing Information Science & Technology University","ror":"https://ror.org/04xnqep60","country_code":"CN","type":"education","lineage":["https://openalex.org/I78675632"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinhui Chen","raw_affiliation_strings":["Key Laboratory of Modern Measurement and Control Technology, Beijing Information Science and Technology University, Beijing, China","School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4825-2632","affiliations":[{"raw_affiliation_string":"Key Laboratory of Modern Measurement and Control Technology, Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]},{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050256911","display_name":"Zhan Xu","orcid":"https://orcid.org/0000-0001-5301-9600"},"institutions":[{"id":"https://openalex.org/I78675632","display_name":"Beijing Information Science & Technology University","ror":"https://ror.org/04xnqep60","country_code":"CN","type":"education","lineage":["https://openalex.org/I78675632"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhan Xu","raw_affiliation_strings":["Key Laboratory of Modern Measurement and Control Technology, Beijing Information Science and Technology University, Beijing, China","School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-5301-9600","affiliations":[{"raw_affiliation_string":"Key Laboratory of Modern Measurement and Control Technology, Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]},{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021728919","display_name":"David Gesbert","orcid":"https://orcid.org/0000-0002-4806-704X"},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"David Gesbert","raw_affiliation_strings":["Eurecom, Biot, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Eurecom, Biot, France","institution_ids":["https://openalex.org/I1902872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006316216","display_name":"Kai Yang","orcid":"https://orcid.org/0000-0003-1059-0705"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Yang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020086602","display_name":"Ruxin Zhi","orcid":"https://orcid.org/0000-0003-0430-1647"},"institutions":[{"id":"https://openalex.org/I78675632","display_name":"Beijing Information Science & Technology University","ror":"https://ror.org/04xnqep60","country_code":"CN","type":"education","lineage":["https://openalex.org/I78675632"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruxin Zhi","raw_affiliation_strings":["Key Laboratory of Modern Measurement and Control Technology, Beijing Information Science and Technology University, Beijing, China","School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Modern Measurement and Control Technology, Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]},{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, China","institution_ids":["https://openalex.org/I78675632"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2994,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.51185098,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"25","issue":"8","first_page":"2594","last_page":"2598"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9990000128746033,"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":0.9968000054359436,"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/covariance-matrix","display_name":"Covariance matrix","score":0.749272346496582},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.6808773875236511},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6294970512390137},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.575373649597168},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5745805501937866},{"id":"https://openalex.org/keywords/covariance-function","display_name":"Covariance function","score":0.511723518371582},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.5085564851760864},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47753942012786865},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4355521500110626},{"id":"https://openalex.org/keywords/random-matrix","display_name":"Random matrix","score":0.4265357255935669},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3918342590332031},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37020716071128845},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.33318638801574707},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.21246108412742615},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.0836820900440216},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08019039034843445}],"concepts":[{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.749272346496582},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.6808773875236511},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6294970512390137},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.575373649597168},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5745805501937866},{"id":"https://openalex.org/C137250428","wikidata":"https://www.wikidata.org/wiki/Q5178897","display_name":"Covariance function","level":3,"score":0.511723518371582},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.5085564851760864},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47753942012786865},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4355521500110626},{"id":"https://openalex.org/C64812099","wikidata":"https://www.wikidata.org/wiki/Q176604","display_name":"Random matrix","level":3,"score":0.4265357255935669},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3918342590332031},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37020716071128845},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.33318638801574707},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.21246108412742615},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.0836820900440216},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08019039034843445},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2021.3081733","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3081733","pdf_url":"https://ieeexplore.ieee.org/ielx7/4234/9511498/09435337.pdf","source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/lcomm.2021.3081733","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3081733","pdf_url":"https://ieeexplore.ieee.org/ielx7/4234/9511498/09435337.pdf","source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.4300000071525574,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G6933559515","display_name":null,"funder_award_id":"Z191100001419001","funder_id":"https://openalex.org/F4320335843","funder_display_name":"Beijing Science and Technology Planning Project"}],"funders":[{"id":"https://openalex.org/F4320335843","display_name":"Beijing Science and Technology Planning Project","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3160836330.pdf","grobid_xml":"https://content.openalex.org/works/W3160836330.grobid-xml"},"referenced_works_count":17,"referenced_works":["https://openalex.org/W2145013959","https://openalex.org/W2147601077","https://openalex.org/W2150629312","https://openalex.org/W2162654459","https://openalex.org/W2170738062","https://openalex.org/W2188692957","https://openalex.org/W2794057409","https://openalex.org/W2804290997","https://openalex.org/W2921280830","https://openalex.org/W2933407394","https://openalex.org/W2962702492","https://openalex.org/W2963287650","https://openalex.org/W2980009168","https://openalex.org/W2992630876","https://openalex.org/W3014778616","https://openalex.org/W3015337814","https://openalex.org/W3111439133"],"related_works":["https://openalex.org/W1991005374","https://openalex.org/W2022823194","https://openalex.org/W2050026105","https://openalex.org/W2126916073","https://openalex.org/W2887132723","https://openalex.org/W2921280830","https://openalex.org/W2756533552","https://openalex.org/W2572601863","https://openalex.org/W2258123186","https://openalex.org/W2110484224"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"the":[3,31,47,77,82,85,89],"truncated":[4],"redundancy":[5],"averaging":[6],"(TRA)":[7],"method":[8,26],"for":[9,19,52,60],"structured":[10],"covariance":[11,91],"matrix":[12,92],"estimation":[13,111],"and":[14,39,102],"its":[15,65],"spatially":[16],"asymptotic":[17],"behavior":[18],"massive":[20],"MIMO":[21],"are":[22],"studied.":[23],"The":[24],"TRA":[25,86],"can":[27],"be":[28],"applied":[29],"to":[30,43,88,109],"antenna":[32,80],"arrays":[33],"exhibiting":[34],"correlation":[35,107],"redundancy,":[36],"including":[37],"linear":[38,72],"non-linear":[40],"arrays.":[41],"Resorting":[42],"Khinchin\u2019s":[44],"statement":[45],"on":[46],"law":[48],"of":[49,76,79,84],"large":[50],"numbers":[51],"correlated":[53],"random":[54],"variables,":[55],"it":[56],"is":[57,68],"derived":[58],"that,":[59],"a":[61,69],"uniform":[62],"array,":[63],"if":[64],"physical":[66],"size":[67],"strictly":[70],"increasing":[71],"or":[73],"sub-linear":[74],"function":[75],"number":[78],"elements,":[81],"convergence":[83],"estimate":[87],"true":[90],"occurs":[93],"within":[94],"one":[95],"single":[96],"channel":[97],"realization.":[98],"We":[99],"also":[100],"derive":[101],"demonstrate":[103],"that":[104],"lower":[105],"spatial":[106],"leads":[108],"increased":[110],"performance.":[112]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
