{"id":"https://openalex.org/W4361273955","doi":"https://doi.org/10.1007/s00034-023-02336-z","title":"Low-Complexity Beamspace DOA Estimation for Coherently Distributed Sources in Massive MIMO Systems","display_name":"Low-Complexity Beamspace DOA Estimation for Coherently Distributed Sources in Massive MIMO Systems","publication_year":2023,"publication_date":"2023-03-30","ids":{"openalex":"https://openalex.org/W4361273955","doi":"https://doi.org/10.1007/s00034-023-02336-z"},"language":"en","primary_location":{"id":"doi:10.1007/s00034-023-02336-z","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1007/s00034-023-02336-z","pdf_url":null,"source":{"id":"https://openalex.org/S20109229","display_name":"Circuits Systems and Signal Processing","issn_l":"0278-081X","issn":["0278-081X","1531-5878"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circuits, Systems, and Signal Processing","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/A5051648467","display_name":"Xin He","orcid":"https://orcid.org/0000-0002-0125-4171"},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin He","raw_affiliation_strings":["College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China","institution_ids":["https://openalex.org/I2722730"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100356165","display_name":"Yang Liu","orcid":"https://orcid.org/0000-0003-3873-4598"},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Liu","raw_affiliation_strings":["College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China","institution_ids":["https://openalex.org/I2722730"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091139609","display_name":"Zifan Jia","orcid":null},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zifan Jia","raw_affiliation_strings":["College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China","institution_ids":["https://openalex.org/I2722730"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053193271","display_name":"Huijuan Wu","orcid":"https://orcid.org/0000-0002-4231-3799"},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Huijuan Wu","raw_affiliation_strings":["College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China","institution_ids":["https://openalex.org/I2722730"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100629245","display_name":"Yinghui Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinghui Zhang","raw_affiliation_strings":["College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Information Engineering, Inner Mongolia University, 235 Daxuexi Road, Hohhot, 010021, Inner Mongolia, China","institution_ids":["https://openalex.org/I2722730"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054243209","display_name":"Tianshuang Qiu","orcid":"https://orcid.org/0000-0002-1992-1120"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]},{"id":"https://openalex.org/I4210092944","display_name":"Dalian University","ror":"https://ror.org/00g2ypp58","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210092944"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianshuang Qiu","raw_affiliation_strings":["Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, Liaoning, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, Liaoning, China","institution_ids":["https://openalex.org/I4210092944","https://openalex.org/I27357992"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5053193271"],"corresponding_institution_ids":["https://openalex.org/I2722730"],"apc_list":null,"apc_paid":null,"fwci":0.4025,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.53361813,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"42","issue":"8","first_page":"4868","last_page":"4896"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9991000294685364,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9990000128746033,"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/algorithm","display_name":"Algorithm","score":0.6702228784561157},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.667993426322937},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5984554290771484},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5375456809997559},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.5283815860748291},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.5138166546821594},{"id":"https://openalex.org/keywords/wiener-filter","display_name":"Wiener filter","score":0.5070018768310547},{"id":"https://openalex.org/keywords/rotational-invariance","display_name":"Rotational invariance","score":0.49971938133239746},{"id":"https://openalex.org/keywords/recursion","display_name":"Recursion (computer science)","score":0.4504356384277344},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4347692131996155},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.41382619738578796},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4132135212421417},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3340238332748413},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10112139582633972},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09165593981742859},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.07287749648094177}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6702228784561157},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.667993426322937},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5984554290771484},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5375456809997559},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.5283815860748291},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.5138166546821594},{"id":"https://openalex.org/C18537770","wikidata":"https://www.wikidata.org/wiki/Q25523","display_name":"Wiener filter","level":2,"score":0.5070018768310547},{"id":"https://openalex.org/C33098168","wikidata":"https://www.wikidata.org/wiki/Q108537107","display_name":"Rotational invariance","level":2,"score":0.49971938133239746},{"id":"https://openalex.org/C168773036","wikidata":"https://www.wikidata.org/wiki/Q264164","display_name":"Recursion (computer science)","level":2,"score":0.4504356384277344},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4347692131996155},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.41382619738578796},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4132135212421417},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3340238332748413},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10112139582633972},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09165593981742859},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.07287749648094177},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00034-023-02336-z","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1007/s00034-023-02336-z","pdf_url":null,"source":{"id":"https://openalex.org/S20109229","display_name":"Circuits Systems and Signal Processing","issn_l":"0278-081X","issn":["0278-081X","1531-5878"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circuits, Systems, and Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1811469502","display_name":null,"funder_award_id":"NJYT-20-A11","funder_id":"https://openalex.org/F4320327830","funder_display_name":"Research Program of Science and Technology at Universities of Inner Mongolia Autonomous Region"},{"id":"https://openalex.org/G2677019003","display_name":null,"funder_award_id":"62161037","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3532639709","display_name":null,"funder_award_id":"62071257","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"},{"id":"https://openalex.org/F4320327830","display_name":"Research Program of Science and Technology at Universities of Inner Mongolia Autonomous Region","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1499276275","https://openalex.org/W1539043432","https://openalex.org/W1849489850","https://openalex.org/W1980560153","https://openalex.org/W2024540568","https://openalex.org/W2027550723","https://openalex.org/W2051695922","https://openalex.org/W2056746788","https://openalex.org/W2096490398","https://openalex.org/W2108061386","https://openalex.org/W2113638573","https://openalex.org/W2116431924","https://openalex.org/W2128513990","https://openalex.org/W2135366352","https://openalex.org/W2147601077","https://openalex.org/W2163204156","https://openalex.org/W2168837636","https://openalex.org/W2294826679","https://openalex.org/W2525493422","https://openalex.org/W2604888078","https://openalex.org/W2620204521","https://openalex.org/W2756579273","https://openalex.org/W2772022877","https://openalex.org/W2793210562","https://openalex.org/W2897059627","https://openalex.org/W2897710113","https://openalex.org/W2902615327","https://openalex.org/W2956616624","https://openalex.org/W2967631301","https://openalex.org/W2980722631","https://openalex.org/W2981917204","https://openalex.org/W3040355967","https://openalex.org/W3048156570","https://openalex.org/W3082464360","https://openalex.org/W3091832735","https://openalex.org/W3101756933","https://openalex.org/W3120384044","https://openalex.org/W3135158731","https://openalex.org/W3139527032","https://openalex.org/W3168846907","https://openalex.org/W3195872461","https://openalex.org/W3200456871","https://openalex.org/W3204776689","https://openalex.org/W3210804769","https://openalex.org/W4206700475","https://openalex.org/W4230941884","https://openalex.org/W4285267576"],"related_works":["https://openalex.org/W1916685473","https://openalex.org/W2055682261","https://openalex.org/W1993363272","https://openalex.org/W2186390138","https://openalex.org/W2790129917","https://openalex.org/W2060035984","https://openalex.org/W2992856432","https://openalex.org/W2100638064","https://openalex.org/W2144136468","https://openalex.org/W2358918982"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-16T09:10:04.655348","created_date":"2025-10-10T00:00:00"}