{"id":"https://openalex.org/W4392905287","doi":"https://doi.org/10.1109/ccnc51664.2024.10454677","title":"Hierarchical MUSIC Technique for Direction Finding of Multiple Signal Sources","display_name":"Hierarchical MUSIC Technique for Direction Finding of Multiple Signal Sources","publication_year":2024,"publication_date":"2024-01-06","ids":{"openalex":"https://openalex.org/W4392905287","doi":"https://doi.org/10.1109/ccnc51664.2024.10454677"},"language":"en","primary_location":{"id":"doi:10.1109/ccnc51664.2024.10454677","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ccnc51664.2024.10454677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 21st Consumer Communications &amp; Networking Conference (CCNC)","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/A5028695878","display_name":"Minkyu Oh","orcid":"https://orcid.org/0009-0001-7790-5188"},"institutions":[{"id":"https://openalex.org/I196345858","display_name":"Chungnam National University","ror":"https://ror.org/0227as991","country_code":"KR","type":"education","lineage":["https://openalex.org/I196345858"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Minkyu Oh","raw_affiliation_strings":["Chungnam National University,Department of Electronics Engineering,Daejeon,South Korea","Department of Electronics Engineering, Chungnam National University, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Chungnam National University,Department of Electronics Engineering,Daejeon,South Korea","institution_ids":["https://openalex.org/I196345858"]},{"raw_affiliation_string":"Department of Electronics Engineering, Chungnam National University, Daejeon, South Korea","institution_ids":["https://openalex.org/I196345858"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100701668","display_name":"Youngseok Lee","orcid":"https://orcid.org/0000-0002-3015-5922"},"institutions":[{"id":"https://openalex.org/I196345858","display_name":"Chungnam National University","ror":"https://ror.org/0227as991","country_code":"KR","type":"education","lineage":["https://openalex.org/I196345858"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Young-Seok Lee","raw_affiliation_strings":["Chungnam National University,Department of Electronics Engineering,Daejeon,South Korea","Department of Electronics Engineering, Chungnam National University, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Chungnam National University,Department of Electronics Engineering,Daejeon,South Korea","institution_ids":["https://openalex.org/I196345858"]},{"raw_affiliation_string":"Department of Electronics Engineering, Chungnam National University, Daejeon, South Korea","institution_ids":["https://openalex.org/I196345858"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104260076","display_name":"Jeong-Bong Lim","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jeong-Bong Lim","raw_affiliation_strings":["Duksan Navcours, Co.,Daejeon,South Korea","Duksan Navcours, Co., Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Duksan Navcours, Co.,Daejeon,South Korea","institution_ids":[]},{"raw_affiliation_string":"Duksan Navcours, Co., Daejeon, South Korea","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101319212","display_name":"Chang-Ok Kang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chang-Ok Kang","raw_affiliation_strings":["Duksan Navcours, Co.,Daejeon,South Korea","Duksan Navcours, Co., Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Duksan Navcours, Co.,Daejeon,South Korea","institution_ids":[]},{"raw_affiliation_string":"Duksan Navcours, Co., Daejeon, South Korea","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039254133","display_name":"Bang Chul Jung","orcid":"https://orcid.org/0000-0002-4485-9592"},"institutions":[{"id":"https://openalex.org/I196345858","display_name":"Chungnam National University","ror":"https://ror.org/0227as991","country_code":"KR","type":"education","lineage":["https://openalex.org/I196345858"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Bang Chul Jung","raw_affiliation_strings":["Chungnam National University,Department of Electronics Engineering,Daejeon,South Korea","Department of Electronics Engineering, Chungnam National University, Daejeon, South Korea"],"affiliations":[{"raw_affiliation_string":"Chungnam National University,Department of Electronics Engineering,Daejeon,South Korea","institution_ids":["https://openalex.org/I196345858"]},{"raw_affiliation_string":"Department of Electronics Engineering, Chungnam National University, Daejeon, South Korea","institution_ids":["https://openalex.org/I196345858"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5028695878"],"corresponding_institution_ids":["https://openalex.org/I196345858"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02992826,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1082","last_page":"1083"},"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":0.9994999766349792,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6386396288871765},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5478926301002502},{"id":"https://openalex.org/keywords/multiple-signal-classification","display_name":"Multiple signal classification","score":0.45065897703170776},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4299217760562897},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1867111623287201},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.07379710674285889},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.06757646799087524}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6386396288871765},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5478926301002502},{"id":"https://openalex.org/C206118826","wikidata":"https://www.wikidata.org/wiki/Q3841682","display_name":"Multiple signal classification","level":3,"score":0.45065897703170776},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4299217760562897},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1867111623287201},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.07379710674285889},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.06757646799087524},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ccnc51664.2024.10454677","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ccnc51664.2024.10454677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 21st Consumer Communications &amp; Networking Conference (CCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W3191700893","https://openalex.org/W4321021226","https://openalex.org/W4327778812","https://openalex.org/W4383890457"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,34,63,73,77,91,137],"novel":[3],"hierarchical":[4],"multiple":[5,17],"signal":[6,18],"classification":[7],"(H-MUSIC)":[8],"technique":[9,29,49,71,121,127],"that":[10,117],"elaborately":[11],"estimates":[12],"the":[13,26,46,53,68,84,87,96,102,105,118,124,130],"direction-of-arrival":[14],"(DOA)":[15],"of":[16,45,80,140],"sources":[19],"arriving":[20],"from":[21],"similar":[22],"directions.":[23,81],"In":[24],"general,":[25],"conventional":[27,54,69,125],"MUSIC":[28,55,58,70,98,126],"does":[30],"not":[31],"result":[32],"in":[33,39,83,129],"good":[35],"DOA":[36,65,93],"estimation":[37,66,94],"performance":[38],"this":[40],"case.":[41],"The":[42,60],"basic":[43],"idea":[44],"proposed":[47,119],"H-MUSIC":[48,120],"is":[50],"to":[51,109],"combine":[52],"and":[56,135],"beam-space":[57,97],"techniques.":[59],"receiver":[61,88],"performs":[62,90],"coarse":[64],"using":[67,95],"as":[72],"first":[74],"step,":[75,86],"considering":[76],"whole":[78],"range":[79],"Then,":[82],"subsequent":[85],"additionally":[89],"fine":[92],"technique,":[99],"focusing":[100],"on":[101],"directions":[103],"where":[104],"signals":[106],"are":[107],"likely":[108],"exist.":[110],"Through":[111],"extensive":[112],"computer":[113],"simulations,":[114],"we":[115],"show":[116],"significantly":[122],"outperforms":[123],"even":[128],"low":[131],"signal-to-noise":[132],"(SNR)":[133],"regions":[134],"with":[136],"small":[138],"number":[139],"time":[141],"samples.":[142]},"counts_by_year":[],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}
