{"id":"https://openalex.org/W1981919460","doi":"https://doi.org/10.1587/elex.12.20141197","title":"Accurate heartbeat monitoring using ultra-wideband radar","display_name":"Accurate heartbeat monitoring using ultra-wideband radar","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W1981919460","doi":"https://doi.org/10.1587/elex.12.20141197","mag":"1981919460"},"language":"en","primary_location":{"id":"doi:10.1587/elex.12.20141197","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20141197","pdf_url":"https://www.jstage.jst.go.jp/article/elex/12/3/12_12.20141197/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"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 Electronics Express","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/elex/12/3/12_12.20141197/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087021066","display_name":"Takuya Sakamoto","orcid":"https://orcid.org/0000-0003-0177-879X"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takuya Sakamoto","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048460915","display_name":"Ryohei Imasaka","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryohei Imasaka","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109513814","display_name":"Hirofumi Taki","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirofumi Taki","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101848700","display_name":"Toru Sato","orcid":"https://orcid.org/0000-0002-2092-7335"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toru Sato","raw_affiliation_strings":["Graduate School of Informatics, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Informatics, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108625791","display_name":"Mototaka Yoshioka","orcid":null},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mototaka Yoshioka","raw_affiliation_strings":["Intelligence Research Laboratory, Advanced Research Division, Panasonic Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Intelligence Research Laboratory, Advanced Research Division, Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102742816","display_name":"K. Inoue","orcid":"https://orcid.org/0000-0001-7282-8171"},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenichi Inoue","raw_affiliation_strings":["Device Research Laboratory, Advanced Research Division, Panasonic Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Device Research Laboratory, Advanced Research Division, Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101405006","display_name":"Takeshi Fukuda","orcid":"https://orcid.org/0000-0003-4848-4078"},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi Fukuda","raw_affiliation_strings":["Device Research Laboratory, Advanced Research Division, Panasonic Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Device Research Laboratory, Advanced Research Division, Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101708377","display_name":"Hiroyuki Sakai","orcid":"https://orcid.org/0000-0003-1168-0323"},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroyuki Sakai","raw_affiliation_strings":["Device Research Laboratory, Advanced Research Division, Panasonic Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Device Research Laboratory, Advanced Research Division, Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.9106,"has_fulltext":true,"cited_by_count":39,"citation_normalized_percentile":{"value":0.9032781,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"12","issue":"3","first_page":"20141197","last_page":"20141197"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/heartbeat","display_name":"Heartbeat","score":0.8634557127952576},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6746408939361572},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5671501159667969},{"id":"https://openalex.org/keywords/ultra-wideband","display_name":"Ultra-wideband","score":0.523855447769165},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.49665361642837524},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.49660593271255493},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.48048630356788635},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41984492540359497},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25455331802368164},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.2243802547454834},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19434508681297302},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10484957695007324}],"concepts":[{"id":"https://openalex.org/C13852961","wikidata":"https://www.wikidata.org/wiki/Q17021880","display_name":"Heartbeat","level":2,"score":0.8634557127952576},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6746408939361572},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5671501159667969},{"id":"https://openalex.org/C21916231","wikidata":"https://www.wikidata.org/wiki/Q851424","display_name":"Ultra-wideband","level":2,"score":0.523855447769165},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.49665361642837524},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.49660593271255493},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.48048630356788635},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41984492540359497},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25455331802368164},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.2243802547454834},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19434508681297302},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10484957695007324},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/elex.12.20141197","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20141197","pdf_url":"https://www.jstage.jst.go.jp/article/elex/12/3/12_12.20141197/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"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 Electronics Express","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/elex.12.20141197","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20141197","pdf_url":"https://www.jstage.jst.go.jp/article/elex/12/3/12_12.20141197/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"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 Electronics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7909739436","display_name":null,"funder_award_id":"25249057","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320307436","display_name":"Resources for the Future","ror":"https://ror.org/04qpegs24"},{"id":"https://openalex.org/F4320325628","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320335390","display_name":"Research Institute for Sustainable Humanosphere, Kyoto University","ror":null},{"id":"https://openalex.org/F4320338121","display_name":"Center of Innovation Program","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1981919460.pdf","grobid_xml":"https://content.openalex.org/works/W1981919460.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W1985694466","https://openalex.org/W2000509083","https://openalex.org/W2012427412","https://openalex.org/W2014593645","https://openalex.org/W2016311027","https://openalex.org/W2019651024","https://openalex.org/W2040841611","https://openalex.org/W2073656043","https://openalex.org/W2082848186","https://openalex.org/W2090269566","https://openalex.org/W2097063432","https://openalex.org/W2099743383","https://openalex.org/W2100210993","https://openalex.org/W2105891650","https://openalex.org/W2109178308","https://openalex.org/W2109927190","https://openalex.org/W2113341185","https://openalex.org/W2135301109","https://openalex.org/W2141951524","https://openalex.org/W2142224645","https://openalex.org/W2162632502","https://openalex.org/W2171942582"],"related_works":["https://openalex.org/W4385543909","https://openalex.org/W2129634672","https://openalex.org/W3126346180","https://openalex.org/W2555581363","https://openalex.org/W2091887884","https://openalex.org/W4304783182","https://openalex.org/W3154381281","https://openalex.org/W4323793904","https://openalex.org/W3177178041","https://openalex.org/W2767592251"],"abstract_inverted_index":{"We":[0],"demonstrate":[1],"an":[2,9],"accurate":[3,65],"remote":[4,25],"measurement":[5,75],"of":[6,50,58,76,80,93],"heartbeats":[7],"using":[8],"ultra-wideband":[10,41,85],"radar":[11,42,86,95],"system.":[12],"Although":[13],"most":[14],"conventional":[15],"systems":[16,23,36],"use":[17],"either":[18],"continuous":[19,28],"waves":[20,29],"or":[21],"impulse-radio":[22,35],"for":[24],"vital":[26,78],"monitoring,":[27],"suffer":[30],"from":[31],"non-stationary":[32],"clutters,":[33],"while":[34],"cannot":[37],"detect":[38],"heartbeats.":[39],"Our":[40],"system":[43,96],"has":[44],"a":[45,70,81],"moderate":[46],"fractional":[47],"bandwidth":[48],"intermediate":[49],"these":[51],"systems,":[52],"resulting":[53],"in":[54,63,69,97],"both":[55],"the":[56,77,84,90,94,99],"suppression":[57],"clutters":[59],"and":[60,87],"high":[61,91],"sensitivity":[62],"measuring":[64,98],"heart":[66,100],"rates":[67],"even":[68],"dynamic":[71],"environment.":[72],"A":[73],"simultaneous":[74],"signal":[79],"participant":[82],"employing":[83],"electrocardiography":[88],"reveals":[89],"accuracy":[92],"rate":[101],"varying":[102],"over":[103],"time.":[104]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}