{"id":"https://openalex.org/W3015341655","doi":"https://doi.org/10.1109/icassp40776.2020.9053401","title":"A Partial Relaxation DOA Estimator Based on Orthogonal Matching Pursuit","display_name":"A Partial Relaxation DOA Estimator Based on Orthogonal Matching Pursuit","publication_year":2020,"publication_date":"2020-04-09","ids":{"openalex":"https://openalex.org/W3015341655","doi":"https://doi.org/10.1109/icassp40776.2020.9053401","mag":"3015341655"},"language":"en","primary_location":{"id":"doi:10.1109/icassp40776.2020.9053401","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp40776.2020.9053401","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-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/A5089798204","display_name":"Minh Trinh-Hoang","orcid":"https://orcid.org/0000-0002-9162-6644"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technical University of Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Minh Trinh-Hoang","raw_affiliation_strings":["Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany"],"affiliations":[{"raw_affiliation_string":"Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016986549","display_name":"Wing\u2010Kin Ma","orcid":"https://orcid.org/0000-0001-7314-3537"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wing-Kin Ma","raw_affiliation_strings":["Department of Electronic Engineering, The Chinese University of Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, The Chinese University of Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001481378","display_name":"Marius Pesavento","orcid":"https://orcid.org/0000-0003-3395-2588"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technical University of Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marius Pesavento","raw_affiliation_strings":["Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany"],"affiliations":[{"raw_affiliation_string":"Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5089798204"],"corresponding_institution_ids":["https://openalex.org/I31512782"],"apc_list":null,"apc_paid":null,"fwci":0.4546,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.59210007,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"4806","last_page":"4810"},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998000264167786,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9995999932289124,"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/matching-pursuit","display_name":"Matching pursuit","score":0.9216710329055786},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.8404331207275391},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.747374415397644},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6230523586273193},{"id":"https://openalex.org/keywords/manifold","display_name":"Manifold (fluid mechanics)","score":0.5919215679168701},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5136341452598572},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5107638835906982},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4942004978656769},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.49101877212524414},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4735923111438751},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4503898322582245},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41412466764450073},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4109885096549988},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.37085777521133423},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.2098865807056427},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20295566320419312},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19362559914588928},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11180022358894348},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08637470006942749},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.07860967516899109},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06415268778800964}],"concepts":[{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.9216710329055786},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.8404331207275391},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.747374415397644},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6230523586273193},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.5919215679168701},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5136341452598572},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5107638835906982},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4942004978656769},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.49101877212524414},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4735923111438751},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4503898322582245},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41412466764450073},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4109885096549988},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.37085777521133423},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.2098865807056427},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20295566320419312},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19362559914588928},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11180022358894348},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08637470006942749},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.07860967516899109},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06415268778800964},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp40776.2020.9053401","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp40776.2020.9053401","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:tubiblio.ulb.tu-darmstadt.de:119136","is_oa":false,"landing_page_url":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9053401","pdf_url":null,"source":{"id":"https://openalex.org/S4377196390","display_name":"TUbilio (Technical University of Darmstadt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I31512782","host_organization_name":"Technische Universit\u00e4t Darmstadt","host_organization_lineage":["https://openalex.org/I31512782"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Konferenzver\u00f6ffentlichung"}],"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/W210359992","https://openalex.org/W1589236794","https://openalex.org/W1613559169","https://openalex.org/W1974774078","https://openalex.org/W1986931325","https://openalex.org/W2000804746","https://openalex.org/W2103519107","https://openalex.org/W2113638573","https://openalex.org/W2115426661","https://openalex.org/W2116414176","https://openalex.org/W2122315118","https://openalex.org/W2135338342","https://openalex.org/W2140728947","https://openalex.org/W2140856955","https://openalex.org/W2151517138","https://openalex.org/W2162409952","https://openalex.org/W2164696938","https://openalex.org/W2767272155","https://openalex.org/W2793130809","https://openalex.org/W2803053578"],"related_works":["https://openalex.org/W2042644197","https://openalex.org/W2073241848","https://openalex.org/W2785927776","https://openalex.org/W2020549994","https://openalex.org/W4220674950","https://openalex.org/W2381915087","https://openalex.org/W3130682819","https://openalex.org/W1980565639","https://openalex.org/W2103001330","https://openalex.org/W2911028587"],"abstract_inverted_index":{"A":[0],"family":[1],"of":[2,22,33,42,67,77,95,139,145],"computationally":[3],"efficient":[4],"DOA":[5],"estimators":[6,135],"under":[7],"the":[8,19,23,30,49,54,59,65,68,78,88,96,105,108,112,116,120,129,137],"partial":[9,69,98],"relaxation":[10,43,70],"framework":[11],"has":[12],"recently":[13],"been":[14],"proposed.":[15],"In":[16,92],"this":[17,73],"framework,":[18],"manifold":[20,31],"structure":[21,32,123],"\"interfering\"":[24],"signals":[25],"is":[26,37,83],"relaxed,":[27],"and":[28,52,85,115],"only":[29],"one":[34],"desired":[35],"signal":[36,110],"retained.":[38],"This":[39],"particular":[40],"type":[41],"results":[44],"in":[45,72,136],"closed-form":[46],"estimates":[47],"for":[48],"interference":[50],"parameters":[51],"enhances":[53],"estimation":[55,90],"performance":[56],"compared":[57],"to":[58,87],"conventional":[60,134],"spectral-search":[61],"methods.":[62],"By":[63],"adopting":[64],"principle":[66],"approach,":[71],"paper,":[74],"a":[75],"modification":[76],"Orthogonal":[79],"Matching":[80],"Pursuit":[81],"algorithm":[82,132],"proposed":[84,97,130],"applied":[86],"Direction-of-Arrival":[89],"problem.":[91],"each":[93],"iteration":[94],"relaxation-based":[99],"orthogonal":[100],"matching":[101],"pursuit":[102],"(PR-OMP)":[103],"algorithm,":[104],"impact":[106],"on":[107],"receive":[109],"from":[111],"previously-estimated":[113],"directions":[114],"remaining":[117],"direction":[118],"with":[119],"relaxed":[121],"steering":[122],"are":[124],"considered.":[125],"Simulations":[126],"show":[127],"that":[128],"PR-OMP":[131],"outperforms":[133],"case":[138],"low":[140],"Signal-to-Noise-Ratio":[141],"or":[142],"small":[143],"number":[144],"snapshots.":[146]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-02-26T08:16:20.718346","created_date":"2025-10-10T00:00:00"}
