{"id":"https://openalex.org/W4312576972","doi":"https://doi.org/10.1109/lcomm.2022.3221657","title":"Accurate Wideband Channel Estimation for THz Massive MIMO Systems","display_name":"Accurate Wideband Channel Estimation for THz Massive MIMO Systems","publication_year":2022,"publication_date":"2022-11-11","ids":{"openalex":"https://openalex.org/W4312576972","doi":"https://doi.org/10.1109/lcomm.2022.3221657"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2022.3221657","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3221657","pdf_url":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101852267","display_name":"Chao Wei","orcid":"https://orcid.org/0000-0002-9074-7946"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chao Wei","raw_affiliation_strings":["School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066878475","display_name":"Zhaohui Yang","orcid":"https://orcid.org/0000-0002-4475-589X"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"id":"https://openalex.org/I4210123185","display_name":"Zhejiang Lab","ror":"https://ror.org/02m2h7991","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210123185"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaohui Yang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","Zhejiang Laboratory, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Zhejiang Laboratory, Hangzhou, China","institution_ids":["https://openalex.org/I4210123185"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056446385","display_name":"Jian Dang","orcid":"https://orcid.org/0000-0002-4199-9645"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Dang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103801317","display_name":"Pei Li","orcid":"https://orcid.org/0009-0005-8885-1911"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pei Li","raw_affiliation_strings":["School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024902708","display_name":"Haiquan Wang","orcid":"https://orcid.org/0000-0002-8346-9802"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiquan Wang","raw_affiliation_strings":["School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019477759","display_name":"Xianbin Yu","orcid":"https://orcid.org/0000-0003-0063-4460"},"institutions":[{"id":"https://openalex.org/I4210123185","display_name":"Zhejiang Lab","ror":"https://ror.org/02m2h7991","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210123185"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianbin Yu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","Zhejiang Laboratory, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Zhejiang Laboratory, Hangzhou, China","institution_ids":["https://openalex.org/I4210123185"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101852267"],"corresponding_institution_ids":["https://openalex.org/I50760025"],"apc_list":null,"apc_paid":null,"fwci":1.4634,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.81691986,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"27","issue":"1","first_page":"293","last_page":"297"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9991999864578247,"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/wideband","display_name":"Wideband","score":0.850572943687439},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7426179051399231},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6488543152809143},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6314786672592163},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5939973592758179},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.5622934103012085},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5080201625823975},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.45364025235176086},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.445962131023407},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2758130431175232},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2653670310974121},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.20905762910842896}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.850572943687439},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7426179051399231},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6488543152809143},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6314786672592163},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5939973592758179},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.5622934103012085},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5080201625823975},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.45364025235176086},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.445962131023407},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2758130431175232},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2653670310974121},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.20905762910842896},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2022.3221657","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3221657","pdf_url":null,"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":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/W624827785","https://openalex.org/W1997834106","https://openalex.org/W2053521124","https://openalex.org/W2120549790","https://openalex.org/W2259391824","https://openalex.org/W2336403911","https://openalex.org/W2559695533","https://openalex.org/W2807719490","https://openalex.org/W2808128011","https://openalex.org/W2888283726","https://openalex.org/W2955897898","https://openalex.org/W2963382561","https://openalex.org/W2966084980","https://openalex.org/W2981096252","https://openalex.org/W3034968889","https://openalex.org/W3126485115","https://openalex.org/W3135884249","https://openalex.org/W3169820186","https://openalex.org/W3169835372"],"related_works":["https://openalex.org/W2042644197","https://openalex.org/W2073241848","https://openalex.org/W4281688526","https://openalex.org/W2785927776","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2489379490","https://openalex.org/W2904768397","https://openalex.org/W2141031289"],"abstract_inverted_index":{"This":[0],"letter":[1],"addresses":[2],"the":[3,29,49,63,86,94,101,110,115,121,131,144,150],"wideband":[4,20,30,95],"channel":[5,21,31,96,136],"estimation":[6,22,32,97,137],"problem":[7,41],"for":[8],"terahertz":[9],"(THz)":[10],"massive":[11],"multiple":[12,14],"input":[13],"output":[15],"(MIMO)":[16],"systems.":[17],"The":[18],"proposed":[19,83,132],"scheme":[23,133],"consists":[24],"of":[25,52,54,59,62,88,103,114,123,143],"three":[26],"stages.":[27],"First,":[28],"is":[33,82],"formulated":[34],"as":[35],"a":[36],"joint":[37],"sparse":[38],"signal":[39,46],"recovery":[40],"based":[42,74,80],"on":[43],"an":[44,69,77],"on-grid":[45],"model;":[47],"and":[48,57,90,106,112,153],"coarse":[50],"estimates":[51,87,102],"angles":[53,58],"arrivals":[55],"(AoAs)":[56],"departure":[60],"(AoDs)":[61],"paths":[64,116],"can":[65,134],"be":[66],"obtained":[67],"by":[68,92,139],"orthogonal":[70],"matching":[71],"pursuit":[72],"(OMP)":[73],"method.":[75,160],"Then,":[76],"expectation-maximization":[78],"(EM)":[79],"method":[81],"to":[84,141,149],"refine":[85],"AoAs":[89,152],"AoDs":[91,105,154],"recasting":[93],"problem.":[98],"Finally,":[99],"given":[100],"AoAs,":[104],"composite":[107],"path":[108],"gains,":[109],"delays":[111],"gains":[113],"are":[117],"further":[118],"extracted":[119],"with":[120],"help":[122],"constructed":[124],"dictionary":[125],"matrices.":[126],"Simulation":[127],"results":[128],"show":[129],"that":[130],"improve":[135],"accuracy":[138],"up":[140],"5dB":[142],"signal-to-noise":[145],"ratio":[146],"(SNR)":[147],"compared":[148],"perfect":[151],"aided":[155],"oracle":[156],"least":[157],"square":[158],"(LS)":[159]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
