{"id":"https://openalex.org/W2354638682","doi":"https://doi.org/10.1109/icics.2015.7459890","title":"Low complexity 2-D DOA estimator for arbitrary arrays: A hybrid MUSIC-based method","display_name":"Low complexity 2-D DOA estimator for arbitrary arrays: A hybrid MUSIC-based method","publication_year":2015,"publication_date":"2015-12-01","ids":{"openalex":"https://openalex.org/W2354638682","doi":"https://doi.org/10.1109/icics.2015.7459890","mag":"2354638682"},"language":"en","primary_location":{"id":"doi:10.1109/icics.2015.7459890","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icics.2015.7459890","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 10th International Conference on Information, Communications and Signal Processing (ICICS)","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/A5101661360","display_name":"Jie Zhuang","orcid":"https://orcid.org/0000-0001-7808-5276"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jie Zhuang","raw_affiliation_strings":["School of Communication and Information Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5117698924","display_name":"Jie Liu","orcid":"https://orcid.org/0000-0002-6862-4085"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Liu","raw_affiliation_strings":["School of Communication and Information Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100424600","display_name":"Dandan Chen","orcid":"https://orcid.org/0000-0002-9847-5092"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dandan Chen","raw_affiliation_strings":["Chengdu Aerospace Communication Device Company, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Chengdu Aerospace Communication Device Company, Chengdu, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022282572","display_name":"Yu Na","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Na Yu","raw_affiliation_strings":["Chengdu Aerospace Communication Device Company, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Chengdu Aerospace Communication Device Company, Chengdu, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101661360"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.27218597,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.62187236,"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":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9968000054359436,"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":0.9959999918937683,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6761466264724731},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6544715166091919},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6129098534584045},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.5645231008529663},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5636866688728333},{"id":"https://openalex.org/keywords/multiple-signal-classification","display_name":"Multiple signal classification","score":0.5525986552238464},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.5328588485717773},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5116530060768127},{"id":"https://openalex.org/keywords/hyperparameter-optimization","display_name":"Hyperparameter optimization","score":0.4262698292732239},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.4187110662460327},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.41839587688446045},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2871909737586975},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17647847533226013},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1260717809200287},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07806774973869324}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6761466264724731},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6544715166091919},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6129098534584045},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.5645231008529663},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5636866688728333},{"id":"https://openalex.org/C206118826","wikidata":"https://www.wikidata.org/wiki/Q3841682","display_name":"Multiple signal classification","level":3,"score":0.5525986552238464},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.5328588485717773},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5116530060768127},{"id":"https://openalex.org/C10485038","wikidata":"https://www.wikidata.org/wiki/Q48996162","display_name":"Hyperparameter optimization","level":3,"score":0.4262698292732239},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.4187110662460327},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.41839587688446045},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2871909737586975},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17647847533226013},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1260717809200287},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07806774973869324},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icics.2015.7459890","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icics.2015.7459890","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 10th International Conference on Information, Communications and Signal Processing (ICICS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1970878762","https://openalex.org/W1983699108","https://openalex.org/W2014758465","https://openalex.org/W2052974370","https://openalex.org/W2097610668","https://openalex.org/W2128182753","https://openalex.org/W2167319728"],"related_works":["https://openalex.org/W2169576905","https://openalex.org/W4383333931","https://openalex.org/W4235717850","https://openalex.org/W2288323322","https://openalex.org/W3041376971","https://openalex.org/W2074954788","https://openalex.org/W4319978628","https://openalex.org/W2174115052","https://openalex.org/W3152834843","https://openalex.org/W2076554046"],"abstract_inverted_index":{"The":[0,154],"traditional":[1],"search-based":[2],"MUltiple":[3],"Signal":[4],"Classification":[5],"(MUSIC)":[6],"method":[7,94,137,157],"is":[8,35,65,127,142,180],"often":[9],"computationally":[10,60],"expensive,":[11],"particulary":[12],"for":[13,38,124],"the":[14,25,30,39,52,92,97,111,125,129,135,146,161,174],"application":[15],"of":[16,24,164],"joint":[17],"azimuth":[18],"and":[19,50,179],"elevation":[20],"estimation.":[21],"By":[22],"means":[23],"manifold":[26],"separation":[27],"technique":[28],"(MST),":[29],"search-free":[31],"root-MUSIC":[32,165],"method,":[33],"which":[34,80],"originally":[36],"designed":[37],"uniform":[40],"linear":[41],"array":[42],"structures,":[43],"can":[44,81,109],"be":[45,82],"extended":[46],"to":[47,55,95,144,182],"arbitrary":[48],"arrays":[49],"reduce":[51],"computation":[53,74,162],"burden":[54,163],"some":[56],"extent.":[57],"However,":[58],"a":[59,73,85,119,150],"complex":[61],"polynomial":[62],"rooting":[63],"procedure":[64],"still":[66],"required.":[67],"In":[68,105],"this":[69],"paper,":[70],"we":[71,90,108],"propose":[72],"attractive":[75],"2-D":[76,112],"direction-of-arrival":[77],"(DOA)":[78],"estimator":[79],"viewed":[83],"as":[84],"hybrid":[86,156],"MUSIC-based":[87],"method.":[88],"First,":[89],"use":[91],"MST":[93],"convert":[96],"2D-MUSIC":[98],"cost":[99],"function":[100],"into":[101],"stand":[102],"2D-IDFT":[103],"form.":[104],"doing":[106],"so,":[107],"obtain":[110],"spatial":[113],"spectrum":[114],"by":[115],"using":[116],"2D-FFT.":[117],"Since":[118],"relatively":[120],"small":[121,151],"point":[122],"number":[123],"FFT":[126],"chosen,":[128],"DOAs":[130,147],"are":[131],"located":[132],"roughly.":[133],"Then":[134],"MUSIC":[136,167],"with":[138],"fine":[139],"angular":[140,152],"grid":[141],"utilized":[143],"search":[145],"finely":[148],"within":[149],"section.":[153],"proposed":[155],"not":[158],"only":[159],"alleviates":[160],"or":[166],"solely":[168],"used;":[169],"it":[170],"also":[171],"achieves":[172],"almost":[173],"same":[175],"DOA":[176],"estimation":[177],"performance":[178],"easy":[181],"implement.":[183]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
