{"id":"https://openalex.org/W2771322992","doi":"https://doi.org/10.1109/tcomm.2018.2805803","title":"Low-Complexity and High-Resolution DOA Estimation for Hybrid Analog and Digital Massive MIMO Receive Array","display_name":"Low-Complexity and High-Resolution DOA Estimation for Hybrid Analog and Digital Massive MIMO Receive Array","publication_year":2018,"publication_date":"2018-02-13","ids":{"openalex":"https://openalex.org/W2771322992","doi":"https://doi.org/10.1109/tcomm.2018.2805803","mag":"2771322992"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2018.2805803","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2018.2805803","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","raw_type":"journal-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1712.02085","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044969631","display_name":"Feng Shu","orcid":"https://orcid.org/0000-0003-0073-1965"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Feng Shu","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091733745","display_name":"Yaolu Qin","orcid":null},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaolu Qin","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100441997","display_name":"Tingting Liu","orcid":"https://orcid.org/0000-0001-7503-668X"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tingting Liu","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102833741","display_name":"Linqing Gui","orcid":"https://orcid.org/0000-0002-9926-633X"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linqing Gui","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101907018","display_name":"Yijin Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yijin Zhang","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100361766","display_name":"Jun Li","orcid":"https://orcid.org/0009-0008-8517-7089"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Li","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063667378","display_name":"Zhu Han","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]},{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Zhu Han","raw_affiliation_strings":["Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea","University of Houston, Houston, TX, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Kyung Hee University, Seoul, South Korea","institution_ids":["https://openalex.org/I35928602"]},{"raw_affiliation_string":"University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5044969631"],"corresponding_institution_ids":["https://openalex.org/I36399199"],"apc_list":null,"apc_paid":null,"fwci":0.1658,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.40733515,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"66","issue":"6","first_page":"2487","last_page":"2501"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9994999766349792,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9975000023841858,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.6580126285552979},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5941826701164246},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5772438049316406},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5571178197860718},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.5351264476776123},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5225058197975159},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5220432281494141},{"id":"https://openalex.org/keywords/spurious-relationship","display_name":"Spurious relationship","score":0.43747496604919434},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.43016350269317627},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4275374710559845},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4158669114112854},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28574299812316895},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.20754879713058472},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1709570586681366},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1525646150112152}],"concepts":[{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.6580126285552979},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5941826701164246},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5772438049316406},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5571178197860718},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.5351264476776123},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5225058197975159},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5220432281494141},{"id":"https://openalex.org/C97256817","wikidata":"https://www.wikidata.org/wiki/Q1462316","display_name":"Spurious relationship","level":2,"score":0.43747496604919434},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.43016350269317627},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4275374710559845},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4158669114112854},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28574299812316895},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.20754879713058472},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1709570586681366},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1525646150112152},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"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/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/tcomm.2018.2805803","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2018.2805803","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1712.02085","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1712.02085","pdf_url":"https://arxiv.org/pdf/1712.02085","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:2771322992","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1712.02085.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.1712.02085","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1712.02085","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1712.02085","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1712.02085","pdf_url":"https://arxiv.org/pdf/1712.02085","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1160329151","display_name":null,"funder_award_id":"2016M591852","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G1653147351","display_name":null,"funder_award_id":"61702258","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1733514037","display_name":null,"funder_award_id":"61501238","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4241450966","display_name":null,"funder_award_id":"CNS- 1731424","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4676142324","display_name":null,"funder_award_id":"201708320001","funder_id":"https://openalex.org/F4320322725","funder_display_name":"China Scholarship Council"},{"id":"https://openalex.org/G4794096668","display_name":null,"funder_award_id":"ECCS-1547201","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5072586218","display_name":null,"funder_award_id":"CNS-1646607","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5585059550","display_name":null,"funder_award_id":"30916011205","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G6434728786","display_name":null,"funder_award_id":"US NSF CNS-1717454","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6797678190","display_name":null,"funder_award_id":"61472190","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G721611289","display_name":null,"funder_award_id":"CNS-1702850","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7541402009","display_name":null,"funder_award_id":"61271230","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8615539188","display_name":null,"funder_award_id":"61771244","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1432778544","https://openalex.org/W1590582473","https://openalex.org/W1602659231","https://openalex.org/W1952629836","https://openalex.org/W1963799790","https://openalex.org/W1971370354","https://openalex.org/W1978572848","https://openalex.org/W2050020570","https://openalex.org/W2053521124","https://openalex.org/W2066218102","https://openalex.org/W2075148031","https://openalex.org/W2085098436","https://openalex.org/W2100236515","https://openalex.org/W2101658087","https://openalex.org/W2107820823","https://openalex.org/W2111953900","https://openalex.org/W2113638573","https://openalex.org/W2128513990","https://openalex.org/W2128529557","https://openalex.org/W2136172079","https://openalex.org/W2145412765","https://openalex.org/W2147601077","https://openalex.org/W2160339379","https://openalex.org/W2167956149","https://openalex.org/W2259391824","https://openalex.org/W2330040883","https://openalex.org/W2413566101","https://openalex.org/W2436620493","https://openalex.org/W2514448274","https://openalex.org/W2520873811","https://openalex.org/W2524950583","https://openalex.org/W2529048811","https://openalex.org/W2578975026","https://openalex.org/W2599762545","https://openalex.org/W2600018617","https://openalex.org/W2609148091","https://openalex.org/W2611469656","https://openalex.org/W2740088812","https://openalex.org/W2740209007","https://openalex.org/W2962804513","https://openalex.org/W2963680448","https://openalex.org/W3103693542","https://openalex.org/W3106282754","https://openalex.org/W6663064014"],"related_works":["https://openalex.org/W2886270111","https://openalex.org/W2784975336","https://openalex.org/W2784015080","https://openalex.org/W2613372585","https://openalex.org/W2284078460","https://openalex.org/W2437444072","https://openalex.org/W2443928903","https://openalex.org/W2902632690","https://openalex.org/W2936468948","https://openalex.org/W1982251087","https://openalex.org/W2895401727","https://openalex.org/W2040478714","https://openalex.org/W2940350679","https://openalex.org/W3047099653","https://openalex.org/W2145038892","https://openalex.org/W1569346553","https://openalex.org/W2613330480","https://openalex.org/W2150191179","https://openalex.org/W2842039093","https://openalex.org/W2770605496"],"abstract_inverted_index":{"A":[0,110],"large-scale":[1],"fully":[2],"digital":[3,30,45],"receive":[4,117],"antenna":[5],"array":[6],"can":[7,66,178],"provide":[8],"very":[9],"high-resolution":[10],"direction":[11,161],"of":[12,107,113,138,158,191],"arrival":[13],"(DOA)":[14],"estimation,":[15],"but":[16],"resulting":[17],"in":[18,71,145,149],"a":[19,26,76,136,146],"significantly":[20,67,187],"high":[21],"RF-chain":[22],"circuit":[23],"cost.":[24],"Thus,":[25],"hybrid":[27,44,90,181],"analog":[28,47,62],"and":[29,43,46,126,176],"(HAD)":[31],"structure":[32,91,165],"is":[33,85,119,166],"preferred.":[34],"Two":[35],"phase":[36],"alignment":[37],"(PA)":[38],"methods,":[39,174,195],"HAD":[40,101,164],"PA":[41,48,63,73],"(HADPA)":[42],"(HDAPA),":[49],"are":[50],"proposed":[51,86,173],"to":[52,61,92,99,121],"estimate":[53],"DOA":[54],"based":[55],"on":[56],"the":[57,69,72,100,105,115,128,153,163,180],"parametric":[58],"method.":[59],"Compared":[60],"(APA),":[64],"they":[65],"reduce":[68],"complexity":[70],"phases.":[74],"Subsequently,":[75],"fast":[77],"root":[78],"multiple":[79],"signal":[80],"classification":[81],"HDAPA":[82],"(root-MUSIC-HDAPA)":[83],"method":[84],"specially":[87],"for":[88],"this":[89],"implement":[93],"an":[94],"approximately":[95],"analytical":[96],"solution.":[97],"Due":[98],"structure,":[102],"there":[103],"exists":[104],"effect":[106],"direction-finding":[108],"ambiguity.":[109],"smart":[111],"strategy":[112],"maximizing":[114],"average":[116],"power":[118],"adopted":[120],"delete":[122],"those":[123,190],"spurious":[124],"solutions":[125],"preserve":[127],"true":[129],"optimal":[130],"solution":[131],"by":[132],"linear":[133,193],"searching":[134],"over":[135],"set":[137],"limited":[139],"finite":[140],"candidate":[141],"directions.":[142],"This":[143],"results":[144,169],"significant":[147],"reduction":[148],"computational":[150],"complexity.":[151],"Eventually,":[152],"Cramer-Rao":[154],"lower":[155,188],"bound":[156],"(CRLB)":[157],"finding":[159],"emitter":[160],"using":[162],"derived.":[167],"Simulation":[168],"show":[170],"that":[171],"our":[172],"root-MUSIC-HDAPA":[175],"HDAPA,":[177],"achieve":[179],"CRLB":[182],"with":[183],"their":[184],"complexities":[185],"being":[186],"than":[189],"pure":[192],"searching-based":[194],"such":[196],"as":[197],"APA.":[198]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2022-10-03T00:00:00"}
