{"id":"https://openalex.org/W3175414204","doi":"https://doi.org/10.1109/lascas51355.2021.9459144","title":"Robust Passive Coherent Location via Nonlinearly Constrained Least Squares","display_name":"Robust Passive Coherent Location via Nonlinearly Constrained Least Squares","publication_year":2021,"publication_date":"2021-02-21","ids":{"openalex":"https://openalex.org/W3175414204","doi":"https://doi.org/10.1109/lascas51355.2021.9459144","mag":"3175414204"},"language":"en","primary_location":{"id":"doi:10.1109/lascas51355.2021.9459144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lascas51355.2021.9459144","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 12th Latin America Symposium on Circuits and System (LASCAS)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5101793594","display_name":"D. Rodriguez","orcid":"https://orcid.org/0000-0003-0894-5175"},"institutions":[{"id":"https://openalex.org/I122140584","display_name":"Universidade Federal do Rio de Janeiro","ror":"https://ror.org/03490as77","country_code":"BR","type":"education","lineage":["https://openalex.org/I122140584"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Daniel P. Nicolalde-Rodriguez","raw_affiliation_strings":["Electrical Engineering Program (PEE), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Program (PEE), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil","institution_ids":["https://openalex.org/I122140584"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061595221","display_name":"Jos\u00e9 A. Apolin\u00e1rio","orcid":"https://orcid.org/0000-0003-1426-9636"},"institutions":[{"id":"https://openalex.org/I41870","display_name":"Military Institute of Engineering","ror":"https://ror.org/03veakt65","country_code":"BR","type":"education","lineage":["https://openalex.org/I41870"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Jose A. Apolinario","raw_affiliation_strings":["Military Institute of Engineering (IME), RJ, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Military Institute of Engineering (IME), RJ, Brazil","institution_ids":["https://openalex.org/I41870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052025135","display_name":"Wallace A. Martins","orcid":"https://orcid.org/0000-0002-3788-2794"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Wallace A. Martins","raw_affiliation_strings":["PEE & Security and Trust (SnT), UFRJ & University of Luxembourg, RJ, Brazil & Luxembourg"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"PEE & Security and Trust (SnT), UFRJ & University of Luxembourg, RJ, Brazil & Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.9862,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.95164217,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9994000196456909,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/multilateration","display_name":"Multilateration","score":0.9668598175048828},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.7288689613342285},{"id":"https://openalex.org/keywords/non-linear-least-squares","display_name":"Non-linear least squares","score":0.5983458757400513},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5844761729240417},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5651707649230957},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.5107076168060303},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.49063292145729065},{"id":"https://openalex.org/keywords/fdoa","display_name":"FDOA","score":0.47441667318344116},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.46718648076057434},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.465738445520401},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.453732430934906},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4428967237472534},{"id":"https://openalex.org/keywords/least-squares-function-approximation","display_name":"Least-squares function approximation","score":0.44161516427993774},{"id":"https://openalex.org/keywords/passive-radar","display_name":"Passive radar","score":0.43391236662864685},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.41561925411224365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3301846981048584},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.3279942572116852},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.2598383128643036},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.1476089060306549},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14195382595062256},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.13947740197181702},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1344185471534729},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.1309259533882141},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11648184061050415}],"concepts":[{"id":"https://openalex.org/C104037064","wikidata":"https://www.wikidata.org/wiki/Q1640884","display_name":"Multilateration","level":3,"score":0.9668598175048828},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7288689613342285},{"id":"https://openalex.org/C45923927","wikidata":"https://www.wikidata.org/wiki/Q3319230","display_name":"Non-linear least squares","level":3,"score":0.5983458757400513},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5844761729240417},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5651707649230957},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.5107076168060303},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.49063292145729065},{"id":"https://openalex.org/C14774633","wikidata":"https://www.wikidata.org/wiki/Q5425288","display_name":"FDOA","level":4,"score":0.47441667318344116},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.46718648076057434},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.465738445520401},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.453732430934906},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4428967237472534},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.44161516427993774},{"id":"https://openalex.org/C151120012","wikidata":"https://www.wikidata.org/wiki/Q2143008","display_name":"Passive radar","level":5,"score":0.43391236662864685},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.41561925411224365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3301846981048584},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.3279942572116852},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.2598383128643036},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.1476089060306549},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14195382595062256},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.13947740197181702},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1344185471534729},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.1309259533882141},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11648184061050415},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","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/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lascas51355.2021.9459144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lascas51355.2021.9459144","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 12th Latin America Symposium on Circuits and System (LASCAS)","raw_type":"proceedings-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/46766","is_oa":false,"landing_page_url":"https://orbilu.uni.lu/handle/10993/46766","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"12th IEEE Latin America Symposium on Circuits and System (LASCAS), Arequipa 21-24 February 2021 (2021); 12th IEEE Latin America Symposium on Circuits and System (LASCAS), From 21-02-2021 to 24-02-2021","raw_type":"http://purl.org/coar/resource_type/c_5794"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3947026062","display_name":null,"funder_award_id":"88881.371305/2019-01,23038.018065/2018-17","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"}],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1979558256","https://openalex.org/W2002105608","https://openalex.org/W2027642854","https://openalex.org/W2083578220","https://openalex.org/W2101996248","https://openalex.org/W2811065832","https://openalex.org/W2902935763","https://openalex.org/W2911253475","https://openalex.org/W3142938176"],"related_works":["https://openalex.org/W4390570342","https://openalex.org/W2776253891","https://openalex.org/W2129263947","https://openalex.org/W2038717975","https://openalex.org/W2370956270","https://openalex.org/W2268218630","https://openalex.org/W2392726999","https://openalex.org/W3170014970","https://openalex.org/W2761989857","https://openalex.org/W2053836168"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"the":[3,30,56,70,79],"problem":[4],"of":[5,10,32,41],"target":[6,57],"location":[7,58,80],"by":[8,64,88],"means":[9],"a":[11,66],"passive":[12],"radar.":[13],"Existing":[14],"approaches":[15,44],"based":[16],"on":[17],"time-difference-of-arrival":[18],"(TDOA)":[19],"measurements,":[20],"namely":[21],"spherical":[22,25],"interpolation":[23],"and":[24,35],"intersection,":[26],"are":[27],"revisited":[28],"for":[29],"case":[31],"single":[33],"transmitter":[34],"multiple":[36],"receivers.":[37],"The":[38],"mathematical":[39],"formulations":[40,63],"these":[42],"state-of-the-art":[43],"do":[45],"not":[46],"take":[47],"into":[48,69],"account":[49],"possible":[50],"TDOA":[51,83],"estimation":[52,84],"errors,":[53,85],"which":[54],"degrade":[55],"performance.":[59],"We":[60],"extend":[61],"those":[62],"incorporating":[65],"nonlinear":[67],"constraint":[68],"underlying":[71],"least":[72],"squares":[73],"problem,":[74],"thus":[75],"conferring":[76],"robustness":[77],"to":[78],"technique":[81],"against":[82],"as":[86],"corroborated":[87],"extensive":[89],"numerical":[90],"experiments.":[91]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-14T07:06:38.338062","created_date":"2025-10-10T00:00:00"}