{"id":"https://openalex.org/W4206696693","doi":"https://doi.org/10.1587/transcom.2021isp0003","title":"Accurate Source-Number Estimation Using Denoising Preprocessing and Singular Value Decomposition","display_name":"Accurate Source-Number Estimation Using Denoising Preprocessing and Singular Value Decomposition","publication_year":2021,"publication_date":"2021-12-02","ids":{"openalex":"https://openalex.org/W4206696693","doi":"https://doi.org/10.1587/transcom.2021isp0003"},"language":"en","primary_location":{"id":"doi:10.1587/transcom.2021isp0003","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2021isp0003","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","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/A5052870760","display_name":"Shohei Hamada","orcid":"https://orcid.org/0000-0003-4352-0017"},"institutions":[{"id":"https://openalex.org/I180203408","display_name":"Yokohama National University","ror":"https://ror.org/03zyp6p76","country_code":"JP","type":"education","lineage":["https://openalex.org/I180203408"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shohei HAMADA","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Yokohama National University"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Yokohama National University","institution_ids":["https://openalex.org/I180203408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034784131","display_name":"Koichi Ichige","orcid":"https://orcid.org/0000-0001-7663-6919"},"institutions":[{"id":"https://openalex.org/I180203408","display_name":"Yokohama National University","ror":"https://ror.org/03zyp6p76","country_code":"JP","type":"education","lineage":["https://openalex.org/I180203408"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koichi ICHIGE","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Yokohama National University"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Yokohama National University","institution_ids":["https://openalex.org/I180203408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061707842","display_name":"Katsuhisa Kashiwagi","orcid":null},"institutions":[{"id":"https://openalex.org/I924388194","display_name":"Murata (Japan)","ror":"https://ror.org/04hd8bd67","country_code":"JP","type":"company","lineage":["https://openalex.org/I924388194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Katsuhisa KASHIWAGI","raw_affiliation_strings":["Murata Manufacturing Co., Ltd"],"affiliations":[{"raw_affiliation_string":"Murata Manufacturing Co., Ltd","institution_ids":["https://openalex.org/I924388194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074979370","display_name":"Nobuya Arakawa","orcid":null},"institutions":[{"id":"https://openalex.org/I924388194","display_name":"Murata (Japan)","ror":"https://ror.org/04hd8bd67","country_code":"JP","type":"company","lineage":["https://openalex.org/I924388194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobuya ARAKAWA","raw_affiliation_strings":["Murata Manufacturing Co., Ltd"],"affiliations":[{"raw_affiliation_string":"Murata Manufacturing Co., Ltd","institution_ids":["https://openalex.org/I924388194"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005144877","display_name":"Ryo Saito","orcid":"https://orcid.org/0000-0002-7580-3567"},"institutions":[{"id":"https://openalex.org/I924388194","display_name":"Murata (Japan)","ror":"https://ror.org/04hd8bd67","country_code":"JP","type":"company","lineage":["https://openalex.org/I924388194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryo SAITO","raw_affiliation_strings":["Murata Manufacturing Co., Ltd"],"affiliations":[{"raw_affiliation_string":"Murata Manufacturing Co., Ltd","institution_ids":["https://openalex.org/I924388194"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5052870760"],"corresponding_institution_ids":["https://openalex.org/I180203408"],"apc_list":null,"apc_paid":null,"fwci":0.1524,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.48242055,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"E105.B","issue":"6","first_page":"766","last_page":"774"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9941999912261963,"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/computer-science","display_name":"Computer science","score":0.8326418399810791},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6991801857948303},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.6157568693161011},{"id":"https://openalex.org/keywords/narrowband","display_name":"Narrowband","score":0.5235167145729065},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5078447461128235},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.47310495376586914},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45326703786849976},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4390574097633362},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.43581944704055786},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.41534504294395447},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2838168740272522},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23082679510116577},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.1292412281036377}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8326418399810791},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6991801857948303},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.6157568693161011},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.5235167145729065},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5078447461128235},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.47310495376586914},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45326703786849976},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4390574097633362},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.43581944704055786},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.41534504294395447},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2838168740272522},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23082679510116577},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.1292412281036377},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transcom.2021isp0003","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2021isp0003","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1994477821","https://openalex.org/W2011284703","https://openalex.org/W2032534917","https://openalex.org/W2078966899","https://openalex.org/W2096710051","https://openalex.org/W2106369199","https://openalex.org/W2109575181","https://openalex.org/W2113638573","https://openalex.org/W2128131274","https://openalex.org/W2136274821","https://openalex.org/W2170852717","https://openalex.org/W2727712063","https://openalex.org/W2801531643","https://openalex.org/W3107427837","https://openalex.org/W3155887971"],"related_works":["https://openalex.org/W2132687327","https://openalex.org/W2806213293","https://openalex.org/W1964845213","https://openalex.org/W2391187634","https://openalex.org/W1915213138","https://openalex.org/W2157042899","https://openalex.org/W2373910021","https://openalex.org/W1921043431","https://openalex.org/W2128773641","https://openalex.org/W3178388243"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"two":[3],"accurate":[4],"source-number":[5,36],"estimation":[6,19,32],"methods":[7,33,71,93],"for":[8],"array":[9],"antennas":[10],"and":[11,26,40,84],"multi-input":[12],"multi-output":[13],"radar.":[14],"Direction":[15],"of":[16,90],"arrival":[17],"(DOA)":[18],"is":[20],"important":[21],"in":[22,38,46],"high-speed":[23],"wireless":[24],"communication":[25],"radar":[27],"imaging.":[28],"Most":[29],"representative":[30],"DOA":[31],"require":[34],"the":[35,69,82,91],"information":[37],"advance":[39],"often":[41,63],"fail":[42],"to":[43],"estimate":[44],"DOAs":[45],"severe":[47],"environments":[48],"such":[49],"as":[50],"those":[51],"having":[52],"low":[53],"signal-to-noise":[54],"ratio":[55],"or":[56,65],"large":[57],"transmission-power":[58],"difference.":[59],"Received":[60],"signals":[61],"are":[62],"bandlimited":[64],"narrowband":[66],"signals,":[67],"so":[68],"proposed":[70,92],"first":[72],"involves":[73],"denoising":[74],"preprocessing":[75],"by":[76],"removing":[77],"undesired":[78],"components":[79],"then":[80],"comparing":[81],"original":[83],"denoised":[85],"signal":[86],"information.":[87],"The":[88],"performances":[89],"were":[94],"evaluated":[95],"through":[96],"computer":[97],"simulations.":[98]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
