{"id":"https://openalex.org/W4413887465","doi":"https://doi.org/10.1109/tvt.2025.3604610","title":"AoA Estimation Using Sufficient Statistic-Based MUSIC Algorithms for Low SNR","display_name":"AoA Estimation Using Sufficient Statistic-Based MUSIC Algorithms for Low SNR","publication_year":2025,"publication_date":"2025-09-01","ids":{"openalex":"https://openalex.org/W4413887465","doi":"https://doi.org/10.1109/tvt.2025.3604610"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3604610","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3604610","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-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/A5101828941","display_name":"Chunlei Sun","orcid":"https://orcid.org/0000-0003-1676-9220"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunlei Sun","raw_affiliation_strings":["University of Science and Technology Beijing, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-1676-9220","affiliations":[{"raw_affiliation_string":"University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100458455","display_name":"Haijun Zhang","orcid":"https://orcid.org/0000-0002-0236-6482"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haijun Zhang","raw_affiliation_strings":["University of Science and Technology Beijing, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0236-6482","affiliations":[{"raw_affiliation_string":"University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069367362","display_name":"Xuqing Liu","orcid":"https://orcid.org/0000-0001-5998-6546"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuqing Liu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058088783","display_name":"Linpei Li","orcid":"https://orcid.org/0000-0002-4674-1723"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linpei Li","raw_affiliation_strings":["University of Science and Technology Beijing, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4674-1723","affiliations":[{"raw_affiliation_string":"University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008114722","display_name":"Wanqing Guan","orcid":"https://orcid.org/0000-0002-5205-7936"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wanqing Guan","raw_affiliation_strings":["University of Science and Technology Beijing, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5205-7936","affiliations":[{"raw_affiliation_string":"University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100558283","display_name":"Yang Lu","orcid":null},"institutions":[{"id":"https://openalex.org/I153473198","display_name":"North China Electric Power University","ror":"https://ror.org/04qr5t414","country_code":"CN","type":"education","lineage":["https://openalex.org/I153473198"]},{"id":"https://openalex.org/I4392738113","display_name":"China Electric Power Research Institute","ror":"https://ror.org/05ehpzy81","country_code":null,"type":"facility","lineage":["https://openalex.org/I17442442","https://openalex.org/I4392738113"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Lu","raw_affiliation_strings":["China Electric Power Research Institute Company Ltd., Beijing, China","China Electric Power Research Institute Co. Ltd., Beijing, China"],"raw_orcid":"https://orcid.org/0009-0004-2018-8175","affiliations":[{"raw_affiliation_string":"China Electric Power Research Institute Company Ltd., Beijing, China","institution_ids":["https://openalex.org/I4392738113"]},{"raw_affiliation_string":"China Electric Power Research Institute Co. Ltd., Beijing, China","institution_ids":["https://openalex.org/I153473198","https://openalex.org/I4392738113"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.24968931,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"75","issue":"2","first_page":"3458","last_page":"3463"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9990000128746033,"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":0.9990000128746033,"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":0.9969000220298767,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9940999746322632,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/multiple-signal-classification","display_name":"Multiple signal classification","score":0.7014049291610718},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6036126613616943},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5215629935264587},{"id":"https://openalex.org/keywords/statistic","display_name":"Statistic","score":0.491974800825119},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.47512656450271606},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.41245967149734497},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.35131803154945374},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30111193656921387},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26371365785598755},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2413865327835083},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22654324769973755},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.1927495300769806},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.11036518216133118}],"concepts":[{"id":"https://openalex.org/C206118826","wikidata":"https://www.wikidata.org/wiki/Q3841682","display_name":"Multiple signal classification","level":3,"score":0.7014049291610718},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6036126613616943},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5215629935264587},{"id":"https://openalex.org/C89128539","wikidata":"https://www.wikidata.org/wiki/Q1949963","display_name":"Statistic","level":2,"score":0.491974800825119},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.47512656450271606},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.41245967149734497},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.35131803154945374},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30111193656921387},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26371365785598755},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2413865327835083},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22654324769973755},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.1927495300769806},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.11036518216133118},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3604610","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3604610","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G192305893","display_name":null,"funder_award_id":"62201032","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7950651877","display_name":null,"funder_award_id":"2022A1515110335","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W424683513","https://openalex.org/W1989237782","https://openalex.org/W1993240961","https://openalex.org/W1999104815","https://openalex.org/W2052296575","https://openalex.org/W2057077708","https://openalex.org/W2085485585","https://openalex.org/W2096710051","https://openalex.org/W2119963163","https://openalex.org/W2140439639","https://openalex.org/W2163175707","https://openalex.org/W2893062133","https://openalex.org/W2936561632","https://openalex.org/W2973877896","https://openalex.org/W2982302758","https://openalex.org/W3083470651","https://openalex.org/W3094320653","https://openalex.org/W3104690928","https://openalex.org/W3110415759","https://openalex.org/W3129621353","https://openalex.org/W4214839699","https://openalex.org/W4313004422","https://openalex.org/W4387146007"],"related_works":["https://openalex.org/W2359776416","https://openalex.org/W2353788488","https://openalex.org/W2361916204","https://openalex.org/W2372011046","https://openalex.org/W2387495973","https://openalex.org/W2347464726","https://openalex.org/W2375704815","https://openalex.org/W2357504953","https://openalex.org/W4319844245","https://openalex.org/W2576994247"],"abstract_inverted_index":{"This":[0],"letter":[1],"primarily":[2],"focuses":[3],"on":[4],"efficient":[5],"angular":[6],"estimation":[7,57],"in":[8,59,75],"low":[9],"signal-to-noise":[10],"ratio":[11],"(SNR)":[12],"conditions,":[13],"as":[14,16],"well":[15],"small-sample":[17,78],"scenarios,":[18],"aiming":[19],"to":[20],"facilitate":[21],"the":[22,46],"application":[23],"of":[24],"Integrated":[25],"Sensing":[26],"and":[27,70,77],"Communication":[28],"(ISAC)":[29],"techniques.":[30],"We":[31],"propose":[32],"a":[33],"novel":[34],"algorithm":[35],"derived":[36],"from":[37],"multiple":[38],"signal":[39],"classification":[40],"(MUSIC),":[41],"called":[42],"SS-MUSIC,":[43],"which":[44],"incorporates":[45],"sufficient":[47],"statistic":[48],"theorem.":[49],"Simulation":[50],"results":[51],"demonstrate":[52],"that":[53],"SS-MUSIC":[54],"achieves":[55],"lower":[56],"errors":[58],"low-SNR":[60],"conditions":[61],"compared":[62],"with":[63],"existing":[64],"MUSIC-based":[65],"approaches,":[66],"without":[67],"increased":[68],"complexity,":[69],"also":[71],"exhibits":[72],"superior":[73],"performance":[74],"multi-target":[76],"scenarios.":[79]},"counts_by_year":[],"updated_date":"2026-02-13T13:36:01.753593","created_date":"2025-10-10T00:00:00"}