{"id":"https://openalex.org/W3174128930","doi":"https://doi.org/10.1109/lcomm.2021.3092881","title":"Fast Angle Estimation in MIMO System With Direction-Dependent Mutual Coupling","display_name":"Fast Angle Estimation in MIMO System With Direction-Dependent Mutual Coupling","publication_year":2021,"publication_date":"2021-06-30","ids":{"openalex":"https://openalex.org/W3174128930","doi":"https://doi.org/10.1109/lcomm.2021.3092881","mag":"3174128930"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3092881","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3092881","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/A5100315581","display_name":"Jinlong Wu","orcid":"https://orcid.org/0000-0003-0640-392X"},"institutions":[{"id":"https://openalex.org/I161350542","display_name":"China Three Gorges University","ror":"https://ror.org/0419nfc77","country_code":"CN","type":"education","lineage":["https://openalex.org/I161350542"]},{"id":"https://openalex.org/I177739611","display_name":"Yangtze University","ror":"https://ror.org/05bhmhz54","country_code":"CN","type":"education","lineage":["https://openalex.org/I177739611"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinlong Wu","raw_affiliation_strings":["College of Computer and Information Technology, China Three Gorges University, Yichang, China","School of Electronic and Information, Yangtze University, Jingzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-0640-392X","affiliations":[{"raw_affiliation_string":"College of Computer and Information Technology, China Three Gorges University, Yichang, China","institution_ids":["https://openalex.org/I161350542"]},{"raw_affiliation_string":"School of Electronic and Information, Yangtze University, Jingzhou, China","institution_ids":["https://openalex.org/I177739611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025764540","display_name":"Fangqing Wen","orcid":"https://orcid.org/0000-0001-6527-4326"},"institutions":[{"id":"https://openalex.org/I161350542","display_name":"China Three Gorges University","ror":"https://ror.org/0419nfc77","country_code":"CN","type":"education","lineage":["https://openalex.org/I161350542"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangqing Wen","raw_affiliation_strings":["College of Computer and Information Technology, China Three Gorges University, Yichang, China"],"raw_orcid":"https://orcid.org/0000-0001-6527-4326","affiliations":[{"raw_affiliation_string":"College of Computer and Information Technology, China Three Gorges University, Yichang, China","institution_ids":["https://openalex.org/I161350542"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063149968","display_name":"Junpeng Shi","orcid":"https://orcid.org/0000-0002-9910-0663"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junpeng Shi","raw_affiliation_strings":["College of Electronic Countermeasure, National University of Defense Technology, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-9910-0663","affiliations":[{"raw_affiliation_string":"College of Electronic Countermeasure, National University of Defense Technology, Hefei, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.4972,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.82567596,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"25","issue":"9","first_page":"2913","last_page":"2917"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T10534","display_name":"Structural Health Monitoring Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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":0.9987000226974487,"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/mimo","display_name":"MIMO","score":0.8120700120925903},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.5910295248031616},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5430360436439514},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5406337380409241},{"id":"https://openalex.org/keywords/toeplitz-matrix","display_name":"Toeplitz matrix","score":0.5196605920791626},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4656442403793335},{"id":"https://openalex.org/keywords/rotational-invariance","display_name":"Rotational invariance","score":0.4626494348049164},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.46026450395584106},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3362393081188202},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14911794662475586},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09004312753677368},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08594229817390442},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.0824194848537445}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8120700120925903},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.5910295248031616},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5430360436439514},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5406337380409241},{"id":"https://openalex.org/C147710293","wikidata":"https://www.wikidata.org/wiki/Q849428","display_name":"Toeplitz matrix","level":2,"score":0.5196605920791626},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4656442403793335},{"id":"https://openalex.org/C33098168","wikidata":"https://www.wikidata.org/wiki/Q108537107","display_name":"Rotational invariance","level":2,"score":0.4626494348049164},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.46026450395584106},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3362393081188202},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14911794662475586},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09004312753677368},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08594229817390442},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0824194848537445},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2021.3092881","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3092881","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":[{"id":"https://openalex.org/G3338179188","display_name":"\u57fa\u4e8e\u5f20\u91cf\u5206\u89e3\u7684\u7a00\u758f\u9635\u5217MIMO\u96f7\u8fbe\u6d4b\u5411\u65b9\u6cd5\u7814\u7a76","funder_award_id":"62071476","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1980263618","https://openalex.org/W2004944703","https://openalex.org/W2025654678","https://openalex.org/W2071283642","https://openalex.org/W2110798624","https://openalex.org/W2569925317","https://openalex.org/W2763708625","https://openalex.org/W2797475427","https://openalex.org/W2891102846","https://openalex.org/W2983321767","https://openalex.org/W3154982283","https://openalex.org/W6793489902"],"related_works":["https://openalex.org/W2389462125","https://openalex.org/W2091997962","https://openalex.org/W151496359","https://openalex.org/W4220662591","https://openalex.org/W856465872","https://openalex.org/W1969863203","https://openalex.org/W1987843132","https://openalex.org/W1480644286","https://openalex.org/W2359223678","https://openalex.org/W4390240002"],"abstract_inverted_index":{"Ideal":[0],"sensor":[1],"response":[2],"is":[3,62,73,95,110],"always":[4],"desirable":[5],"in":[6,102],"multiple-input":[7],"multiple-output":[8],"(MIMO)":[9],"system.":[10],"In":[11],"practical":[12],"application,":[13],"however,":[14],"sensors":[15,38],"may":[16],"be":[17],"susceptible":[18],"to":[19,74],"unknown":[20],"mutual":[21],"coupling":[22],"(MC),":[23],"which":[24],"seriously":[25],"decreases":[26],"the":[27,34,42,47,54,70,76,85,123,128],"angle":[28,65,86,100],"estimation":[29,101],"accuracy.":[30],"This":[31],"letter":[32],"addresses":[33],"scenario":[35],"where":[36],"MIMO":[37,103],"are":[39],"corrupted":[40],"by":[41,87],"direction-dependent":[43,106],"MC":[44,55,77],"effect.":[45],"Taking":[46],"banded":[48],"symmetric":[49],"and":[50,82,108,125],"Toeplitz":[51],"characteristics":[52],"of":[53,69,97,127],"matrices":[56],"into":[57],"consideration,":[58],"a":[59],"closed-form":[60],"algorithm":[61,72,94],"introduced":[63],"for":[64],"estimation.":[66],"The":[67,92,119],"core":[68],"proposed":[71,93,129],"release":[75],"effect":[78],"via":[79],"selection":[80],"matrices,":[81],"then":[83],"obtain":[84],"exploiting":[88],"rotational":[89],"invariance":[90],"techniques.":[91],"capable":[96],"automatically":[98],"paired":[99],"system":[104],"with":[105],"MC,":[107],"it":[109],"much":[111],"more":[112],"efficient":[113],"than":[114],"current":[115],"spectrum":[116],"search":[117],"approach.":[118],"numerical":[120],"results":[121],"show":[122],"validity":[124],"superiority":[126],"method.":[130]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
