{"id":"https://openalex.org/W2919604273","doi":"https://doi.org/10.1109/globalsip.2018.8646583","title":"PERTURBED COMPRESSED SENSING BASED SINGLE SNAPSHOT DOA ESTIMATION","display_name":"PERTURBED COMPRESSED SENSING BASED SINGLE SNAPSHOT DOA ESTIMATION","publication_year":2018,"publication_date":"2018-11-01","ids":{"openalex":"https://openalex.org/W2919604273","doi":"https://doi.org/10.1109/globalsip.2018.8646583","mag":"2919604273"},"language":"en","primary_location":{"id":"doi:10.1109/globalsip.2018.8646583","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globalsip.2018.8646583","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP)","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/A5074263621","display_name":"Himanshu Pandotra","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Himanshu Pandotra","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Bombay"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Bombay","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103090020","display_name":"Rajbabu Velmurugan","orcid":"https://orcid.org/0000-0002-3511-1806"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Rajbabu Velmurugan","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Bombay"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Bombay","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063624532","display_name":"Karthik S. Gurumoorthy","orcid":"https://orcid.org/0000-0002-2483-3723"},"institutions":[{"id":"https://openalex.org/I4210090503","display_name":"International Centre for Theoretical Sciences","ror":"https://ror.org/0015qa126","country_code":"IN","type":"facility","lineage":["https://openalex.org/I11947397","https://openalex.org/I2799351866","https://openalex.org/I3149292468","https://openalex.org/I4210090503"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Karthik S. Gurumoorthy","raw_affiliation_strings":["International Center for Theoretical Sciences, Bengaluru"],"affiliations":[{"raw_affiliation_string":"International Center for Theoretical Sciences, Bengaluru","institution_ids":["https://openalex.org/I4210090503"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072824358","display_name":"Ajit Rajwade","orcid":"https://orcid.org/0000-0001-6463-3315"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ajit Rajwade","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology Bombay"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology Bombay","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5074263621"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1988514,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"15","issue":null,"first_page":"1252","last_page":"1256"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9993000030517578,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/compressed-sensing","display_name":"Compressed sensing","score":0.7767190933227539},{"id":"https://openalex.org/keywords/snapshot","display_name":"Snapshot (computer storage)","score":0.7341098189353943},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.702378511428833},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6531980037689209},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.616081953048706},{"id":"https://openalex.org/keywords/taylor-series","display_name":"Taylor series","score":0.5592181086540222},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5551146864891052},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5217710137367249},{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.5062486529350281},{"id":"https://openalex.org/keywords/coordinate-descent","display_name":"Coordinate descent","score":0.4855727553367615},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4335401654243469},{"id":"https://openalex.org/keywords/basis-pursuit","display_name":"Basis pursuit","score":0.4330018162727356},{"id":"https://openalex.org/keywords/sensor-array","display_name":"Sensor array","score":0.413351833820343},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3947891592979431},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.28846102952957153},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20926889777183533},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.09929564595222473},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09737378358840942}],"concepts":[{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.7767190933227539},{"id":"https://openalex.org/C55282118","wikidata":"https://www.wikidata.org/wiki/Q252683","display_name":"Snapshot (computer storage)","level":2,"score":0.7341098189353943},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.702378511428833},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6531980037689209},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.616081953048706},{"id":"https://openalex.org/C158946198","wikidata":"https://www.wikidata.org/wiki/Q131187","display_name":"Taylor series","level":2,"score":0.5592181086540222},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5551146864891052},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5217710137367249},{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.5062486529350281},{"id":"https://openalex.org/C157553263","wikidata":"https://www.wikidata.org/wiki/Q5168004","display_name":"Coordinate descent","level":2,"score":0.4855727553367615},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4335401654243469},{"id":"https://openalex.org/C99217422","wikidata":"https://www.wikidata.org/wiki/Q4867576","display_name":"Basis pursuit","level":4,"score":0.4330018162727356},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.413351833820343},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3947891592979431},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.28846102952957153},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20926889777183533},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.09929564595222473},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09737378358840942},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/globalsip.2018.8646583","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globalsip.2018.8646583","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP)","raw_type":"proceedings-article"},{"id":"pmh:oai:dsapce.library.iitb.ac.in:100/27740","is_oa":false,"landing_page_url":"http://dspace.library.iitb.ac.in/xmlui/handle/100/27740","pdf_url":null,"source":{"id":"https://openalex.org/S4306400899","display_name":"DSpace (IIT Bombay)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I162827531","host_organization_name":"Indian Institute of Technology Bombay","host_organization_lineage":["https://openalex.org/I162827531"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W210359992","https://openalex.org/W1957749137","https://openalex.org/W1967146723","https://openalex.org/W1972406251","https://openalex.org/W1980874175","https://openalex.org/W2035087883","https://openalex.org/W2066218102","https://openalex.org/W2085644962","https://openalex.org/W2103519107","https://openalex.org/W2113638573","https://openalex.org/W2128131274","https://openalex.org/W2159741524","https://openalex.org/W2162654459","https://openalex.org/W2164696938","https://openalex.org/W2187624826","https://openalex.org/W2521692127","https://openalex.org/W2565293665","https://openalex.org/W2594009540","https://openalex.org/W2963899927","https://openalex.org/W4252791956","https://openalex.org/W6687411556"],"related_works":["https://openalex.org/W2554894813","https://openalex.org/W4376608380","https://openalex.org/W2358276481","https://openalex.org/W2462138637","https://openalex.org/W2921654004","https://openalex.org/W2125937747","https://openalex.org/W4316658506","https://openalex.org/W2774803298","https://openalex.org/W2973873652","https://openalex.org/W1989876652"],"abstract_inverted_index":{"Traditionally,":[0],"direction":[1],"of":[2,106,131],"arrival":[3],"(DOA)":[4],"estimation":[5,12,38],"techniques":[6,21,39,147],"have":[7,40,70],"been":[8,41,71],"based":[9,36,92,101,119,134],"on":[10,84,102,135],"spectral":[11],"methods":[13,69,82],"utilizing":[14],"signal":[15],"and":[16,67,88],"noise":[17],"subspaces":[18],"[1].":[19],"Such":[20],"perform":[22],"well":[23],"when":[24],"sensor":[25],"measurements":[26],"are":[27],"available":[28],"at":[29],"multiple":[30],"snapshots.":[31],"Recently,":[32],"compressed":[33],"sensing":[34],"(CS)":[35],"DOA":[37],"introduced,":[42],"which":[43],"improve":[44],"source":[45,132],"localization":[46],"in":[47,73],"the":[48,54,74,97,107,144,153],"single":[49],"snapshot":[50],"case":[51],"by":[52,152],"modeling":[53],"angle":[55],"search":[56,130],"as":[57],"a":[58,85],"sparse":[59,93],"recovery":[60,94],"problem.":[61],"In":[62,111],"this":[63,112],"domain,":[64],"various":[65],"on-grid":[66,81],"off-grid":[68,117],"proposed":[72],"existing":[75],"literature":[76],"[2]":[77],"[3]":[78],"[4].":[79],"The":[80],"rely":[83],"fixed":[86],"basis":[87],"solve":[89],"traditional":[90],"CS":[91,118],"problems":[95],"while":[96],"latter":[98],"has":[99],"modifications":[100],"first-order":[103,145],"Taylor":[104,156],"approximation":[105,146],"array":[108],"manifold":[109],"matrix.":[110],"paper,":[113],"we":[114,122],"present":[115],"an":[116,124],"formulation,":[120],"where":[121],"employ":[123],"alternating":[125],"minimization":[126],"strategy":[127],"for":[128],"fine-grid":[129],"directions":[133],"coordinate":[136],"descent.":[137],"We":[138],"show":[139],"that":[140],"our":[141],"technique":[142],"outperforms":[143],"whose":[148],"performance":[149],"is":[150],"limited":[151],"signal-norm":[154],"dependent":[155],"error.":[157]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
