{"id":"https://openalex.org/W4205176707","doi":"https://doi.org/10.1109/tcsii.2022.3141247","title":"Multiple Source Angle of Arrival Estimation Through Phase Interferometry","display_name":"Multiple Source Angle of Arrival Estimation Through Phase Interferometry","publication_year":2022,"publication_date":"2022-01-07","ids":{"openalex":"https://openalex.org/W4205176707","doi":"https://doi.org/10.1109/tcsii.2022.3141247"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2022.3141247","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2022.3141247","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Circuits and Systems II: Express Briefs","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/A5033276532","display_name":"Antonello Florio","orcid":"https://orcid.org/0000-0003-1947-9421"},"institutions":[{"id":"https://openalex.org/I68618741","display_name":"Polytechnic University of Bari","ror":"https://ror.org/03c44v465","country_code":"IT","type":"education","lineage":["https://openalex.org/I68618741"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Antonello Florio","raw_affiliation_strings":["Department of Electrical and Information Engineering, Polytechnic University of Bari, Bari, Italy"],"raw_orcid":"https://orcid.org/0000-0003-1947-9421","affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Engineering, Polytechnic University of Bari, Bari, Italy","institution_ids":["https://openalex.org/I68618741"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004159781","display_name":"Gianfranco Avitabile","orcid":"https://orcid.org/0000-0002-9529-486X"},"institutions":[{"id":"https://openalex.org/I68618741","display_name":"Polytechnic University of Bari","ror":"https://ror.org/03c44v465","country_code":"IT","type":"education","lineage":["https://openalex.org/I68618741"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Gianfranco Avitabile","raw_affiliation_strings":["Department of Electrical and Information Engineering, Polytechnic University of Bari, Bari, Italy"],"raw_orcid":"https://orcid.org/0000-0002-9529-486X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Engineering, Polytechnic University of Bari, Bari, Italy","institution_ids":["https://openalex.org/I68618741"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090454740","display_name":"Giuseppe Coviello","orcid":"https://orcid.org/0000-0001-5255-2913"},"institutions":[{"id":"https://openalex.org/I68618741","display_name":"Polytechnic University of Bari","ror":"https://ror.org/03c44v465","country_code":"IT","type":"education","lineage":["https://openalex.org/I68618741"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giuseppe Coviello","raw_affiliation_strings":["Department of Electrical and Information Engineering, Polytechnic University of Bari, Bari, Italy"],"raw_orcid":"https://orcid.org/0000-0001-5255-2913","affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Engineering, Polytechnic University of Bari, Bari, Italy","institution_ids":["https://openalex.org/I68618741"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I68618741"],"apc_list":null,"apc_paid":null,"fwci":2.5852,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.89668093,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"69","issue":"3","first_page":"674","last_page":"678"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","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/T10860","display_name":"Speech and Audio Processing","score":0.9994000196456909,"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/T13121","display_name":"Radio Wave Propagation Studies","score":0.9983999729156494,"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/angle-of-arrival","display_name":"Angle of arrival","score":0.6996379494667053},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.6443274021148682},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6340615153312683},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.6183270215988159},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5615482330322266},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5321007966995239},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.506482720375061},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.48577120900154114},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.48327523469924927},{"id":"https://openalex.org/keywords/phase-unwrapping","display_name":"Phase unwrapping","score":0.4384538531303406},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.43633517622947693},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.23140418529510498},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20622318983078003},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16246551275253296},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1257897913455963}],"concepts":[{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.6996379494667053},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.6443274021148682},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6340615153312683},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.6183270215988159},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5615482330322266},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5321007966995239},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.506482720375061},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.48577120900154114},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.48327523469924927},{"id":"https://openalex.org/C3020654733","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Phase unwrapping","level":3,"score":0.4384538531303406},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.43633517622947693},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.23140418529510498},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20622318983078003},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16246551275253296},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1257897913455963},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","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},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2022.3141247","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2022.3141247","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Circuits and Systems II: Express Briefs","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":20,"referenced_works":["https://openalex.org/W1952629836","https://openalex.org/W1982686915","https://openalex.org/W2091669883","https://openalex.org/W2113638573","https://openalex.org/W2128131274","https://openalex.org/W2162654459","https://openalex.org/W2500243028","https://openalex.org/W2545527231","https://openalex.org/W2794478543","https://openalex.org/W2810871807","https://openalex.org/W2910433833","https://openalex.org/W2963284693","https://openalex.org/W2964029185","https://openalex.org/W2975518194","https://openalex.org/W3014958547","https://openalex.org/W3025689106","https://openalex.org/W3135582036","https://openalex.org/W3166920233","https://openalex.org/W4229776206","https://openalex.org/W6724456298"],"related_works":["https://openalex.org/W3145715554","https://openalex.org/W3126608168","https://openalex.org/W2801687921","https://openalex.org/W2050134757","https://openalex.org/W1632916574","https://openalex.org/W2613919114","https://openalex.org/W2132370204","https://openalex.org/W2142834316","https://openalex.org/W1989876652","https://openalex.org/W2156321216"],"abstract_inverted_index":{"The":[0,98],"evaluation":[1],"of":[2,5,8,58,66,74,83],"the":[3,29,49,64,75,81,102],"Angle":[4],"Arrival":[6],"(AoA)":[7],"a":[9,13,24,32,55,72],"received":[10],"signal":[11],"is":[12,52],"basic":[14],"tool":[15],"for":[16,27,115],"many":[17],"RF":[18],"location":[19],"systems.":[20],"This":[21,60],"brief":[22,61],"introduces":[23],"new":[25],"technique":[26,51],"estimating":[28],"AoA":[30],"via":[31,86],"phase":[33],"interferometric":[34],"approach":[35,104],"when":[36],"multiple":[37],"sources":[38],"are":[39],"present.":[40],"After":[41],"briefly":[42],"recalling":[43],"some":[44],"widespread":[45],"algorithms":[46],"and":[47,91],"methods,":[48],"proposed":[50,103],"described":[53],"from":[54],"mathematical":[56],"point":[57],"view.":[59],"also":[62],"reports":[63],"results":[65,76,107],"an":[67],"experimental":[68],"campaign,":[69],"along":[70],"with":[71,77,108],"comparison":[73],"those":[78],"obtained":[79],"using":[80],"Estimation":[82],"Signal":[84],"Parameters":[85],"Rotational":[87],"Invariant":[88],"Techniques":[89],"(ESPRIT)":[90],"Root":[92],"MUltiple":[93],"SIgnal":[94],"Classification":[95],"(RMUSIC)":[96],"algorithms.":[97],"experiments":[99],"demonstrate":[100],"that":[101],"gives":[105],"accurate":[106],"low":[109],"computational":[110],"complexity,":[111],"thus":[112],"being":[113],"eligible":[114],"direct":[116],"implementation":[117],"in":[118],"digital":[119],"custom":[120],"hardware.":[121]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":7}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}