{"id":"https://openalex.org/W4393372586","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10476821","title":"An Iterative 2-D DOA Estimation Approach for L-shaped Nested Array","display_name":"An Iterative 2-D DOA Estimation Approach for L-shaped Nested Array","publication_year":2023,"publication_date":"2023-10-29","ids":{"openalex":"https://openalex.org/W4393372586","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10476821"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf59524.2023.10476821","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ieeeconf59524.2023.10476821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.aalto.fi/en/publications/d4651a09-6945-4f55-b323-4dd45b9fcd5c","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101431333","display_name":"Feng Xu","orcid":"https://orcid.org/0000-0003-0818-0889"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Feng Xu","raw_affiliation_strings":["Aalto University,Department of Signal Processing and Acoustics,Espoo,Finland,02610"],"affiliations":[{"raw_affiliation_string":"Aalto University,Department of Signal Processing and Acoustics,Espoo,Finland,02610","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055234860","display_name":"Sergiy A. Vorobyov","orcid":"https://orcid.org/0000-0001-7249-647X"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Sergiy A. Vorobyov","raw_affiliation_strings":["Aalto University,Department of Signal Processing and Acoustics,Espoo,Finland,02610"],"affiliations":[{"raw_affiliation_string":"Aalto University,Department of Signal Processing and Acoustics,Espoo,Finland,02610","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101431333"],"corresponding_institution_ids":["https://openalex.org/I9927081"],"apc_list":null,"apc_paid":null,"fwci":0.1976,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.50810644,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1702","last_page":"1706"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9987999796867371,"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/T10860","display_name":"Speech and Audio Processing","score":0.9987999796867371,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9987000226974487,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9934999942779541,"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/computer-science","display_name":"Computer science","score":0.5672053694725037},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.5052118897438049},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47415441274642944},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.4601841866970062},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13813263177871704}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5672053694725037},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.5052118897438049},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47415441274642944},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.4601841866970062},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13813263177871704},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ieeeconf59524.2023.10476821","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ieeeconf59524.2023.10476821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/133018","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/d4651a09-6945-4f55-b323-4dd45b9fcd5c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401662","display_name":"Aaltodoc (Aalto University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9927081","host_organization_name":"Aalto University","host_organization_lineage":["https://openalex.org/I9927081"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"acceptedVersion"}],"best_oa_location":{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/133018","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/d4651a09-6945-4f55-b323-4dd45b9fcd5c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401662","display_name":"Aaltodoc (Aalto University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9927081","host_organization_name":"Aalto University","host_organization_lineage":["https://openalex.org/I9927081"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"acceptedVersion"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G770676851","display_name":null,"funder_award_id":"319822","funder_id":"https://openalex.org/F4320321108","funder_display_name":"Academy of Finland"}],"funders":[{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1496112662","https://openalex.org/W1536252645","https://openalex.org/W1999104815","https://openalex.org/W2005741518","https://openalex.org/W2024165284","https://openalex.org/W2026783525","https://openalex.org/W2052406656","https://openalex.org/W2070222581","https://openalex.org/W2074554177","https://openalex.org/W2098174516","https://openalex.org/W2117523044","https://openalex.org/W2132679193","https://openalex.org/W2161160262","https://openalex.org/W2308717554","https://openalex.org/W2469230926","https://openalex.org/W2592693527","https://openalex.org/W2774391358","https://openalex.org/W2991177086","https://openalex.org/W3093724837","https://openalex.org/W3126524046","https://openalex.org/W3156801445","https://openalex.org/W3160138907"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857"],"abstract_inverted_index":{"The":[0,69],"problem":[1],"of":[2,6,41,53,72],"two-dimensional":[3],"(2-D)":[4],"direction":[5],"arrival":[7],"(DOA)":[8],"estimation":[9,80,103,120],"for":[10],"L-shaped":[11],"nested":[12],"array":[13],"is":[14,24,34],"considered,":[15],"and":[16,60,85,122],"an":[17,29],"iterative":[18,88],"approach":[19,121],"based":[20],"on":[21],"tensor":[22,33,67,97],"modeling":[23],"proposed.":[25],"To":[26],"develop":[27],"such":[28],"approach,":[30],"a":[31],"high-order":[32],"designed":[35],"to":[36],"collect":[37],"the":[38,42,50,54,57,73,79,92,100,116],"received":[39,74],"signals":[40],"subarrays":[43],"in":[44],"difference":[45],"co-array":[46],"domain.":[47],"By":[48],"exploiting":[49],"Vandermonde":[51],"structure":[52],"factor":[55],"matrices,":[56],"sources":[58],"azimuth":[59],"elevation":[61],"angles":[62],"can":[63,82,105],"be":[64,83,106],"estimated":[65,84],"via":[66],"decomposition.":[68,98],"cross":[70],"term":[71],"signal,":[75],"which":[76],"seriously":[77],"degrades":[78],"performance,":[81],"removed":[86],"by":[87,96],"procedure":[89],"using":[90],"also":[91],"DOA":[93,102,119],"estimates":[94],"obtained":[95],"Consequently,":[99],"2-D":[101,118],"performance":[104],"improved":[107],"gradually":[108],"after":[109],"sufficiently":[110],"many":[111],"iterations.":[112],"Simulation":[113],"results":[114],"validate":[115],"proposed":[117],"demonstrate":[123],"its":[124],"effectiveness.":[125]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-02T15:55:50.835912","created_date":"2025-10-10T00:00:00"}