{"id":"https://openalex.org/W4321488952","doi":"https://doi.org/10.1109/rws55624.2023.10046319","title":"Long-Distance Heart Sound Detection using 122 GHz CW Radar with 3D Printed High-Gain Antennas","display_name":"Long-Distance Heart Sound Detection using 122 GHz CW Radar with 3D Printed High-Gain Antennas","publication_year":2023,"publication_date":"2023-01-22","ids":{"openalex":"https://openalex.org/W4321488952","doi":"https://doi.org/10.1109/rws55624.2023.10046319"},"language":"en","primary_location":{"id":"doi:10.1109/rws55624.2023.10046319","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rws55624.2023.10046319","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Radio and Wireless Symposium (RWS)","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/A5018713382","display_name":"Nils C. Albrecht","orcid":"https://orcid.org/0000-0001-8991-2505"},"institutions":[{"id":"https://openalex.org/I884043246","display_name":"Hamburg University of Technology","ror":"https://ror.org/04bs1pb34","country_code":"DE","type":"education","lineage":["https://openalex.org/I884043246"]},{"id":"https://openalex.org/I159176309","display_name":"Universit\u00e4t Hamburg","ror":"https://ror.org/00g30e956","country_code":"DE","type":"education","lineage":["https://openalex.org/I159176309"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Nils C. Albrecht","raw_affiliation_strings":["Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany"],"affiliations":[{"raw_affiliation_string":"Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany","institution_ids":["https://openalex.org/I159176309","https://openalex.org/I884043246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012915340","display_name":"Markus Heyer","orcid":"https://orcid.org/0000-0002-5180-0695"},"institutions":[{"id":"https://openalex.org/I159176309","display_name":"Universit\u00e4t Hamburg","ror":"https://ror.org/00g30e956","country_code":"DE","type":"education","lineage":["https://openalex.org/I159176309"]},{"id":"https://openalex.org/I884043246","display_name":"Hamburg University of Technology","ror":"https://ror.org/04bs1pb34","country_code":"DE","type":"education","lineage":["https://openalex.org/I884043246"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Markus Heyer","raw_affiliation_strings":["Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany"],"affiliations":[{"raw_affiliation_string":"Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany","institution_ids":["https://openalex.org/I159176309","https://openalex.org/I884043246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035165604","display_name":"Marvin Wenzel","orcid":"https://orcid.org/0000-0003-2794-3714"},"institutions":[{"id":"https://openalex.org/I884043246","display_name":"Hamburg University of Technology","ror":"https://ror.org/04bs1pb34","country_code":"DE","type":"education","lineage":["https://openalex.org/I884043246"]},{"id":"https://openalex.org/I159176309","display_name":"Universit\u00e4t Hamburg","ror":"https://ror.org/00g30e956","country_code":"DE","type":"education","lineage":["https://openalex.org/I159176309"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marvin Wenzel","raw_affiliation_strings":["Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany"],"affiliations":[{"raw_affiliation_string":"Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany","institution_ids":["https://openalex.org/I159176309","https://openalex.org/I884043246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014366175","display_name":"Dominik Langer","orcid":"https://orcid.org/0000-0001-8659-8119"},"institutions":[{"id":"https://openalex.org/I884043246","display_name":"Hamburg University of Technology","ror":"https://ror.org/04bs1pb34","country_code":"DE","type":"education","lineage":["https://openalex.org/I884043246"]},{"id":"https://openalex.org/I159176309","display_name":"Universit\u00e4t Hamburg","ror":"https://ror.org/00g30e956","country_code":"DE","type":"education","lineage":["https://openalex.org/I159176309"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Dominik Langer","raw_affiliation_strings":["Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany"],"affiliations":[{"raw_affiliation_string":"Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany","institution_ids":["https://openalex.org/I159176309","https://openalex.org/I884043246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004908821","display_name":"Hui Lu","orcid":"https://orcid.org/0009-0005-2985-0724"},"institutions":[{"id":"https://openalex.org/I51783024","display_name":"Brandenburg University of Technology Cottbus-Senftenberg","ror":"https://ror.org/02wxx3e24","country_code":"DE","type":"education","lineage":["https://openalex.org/I51783024"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hui Lu","raw_affiliation_strings":["Brandenburg University of Technology,Chair for Electronics and Sensor Systems,Cottbus,Germany"],"affiliations":[{"raw_affiliation_string":"Brandenburg University of Technology,Chair for Electronics and Sensor Systems,Cottbus,Germany","institution_ids":["https://openalex.org/I51783024"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019989632","display_name":"Alexander Koelpin","orcid":"https://orcid.org/0000-0002-9071-5661"},"institutions":[{"id":"https://openalex.org/I159176309","display_name":"Universit\u00e4t Hamburg","ror":"https://ror.org/00g30e956","country_code":"DE","type":"education","lineage":["https://openalex.org/I159176309"]},{"id":"https://openalex.org/I884043246","display_name":"Hamburg University of Technology","ror":"https://ror.org/04bs1pb34","country_code":"DE","type":"education","lineage":["https://openalex.org/I884043246"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alexander Koelpin","raw_affiliation_strings":["Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany"],"affiliations":[{"raw_affiliation_string":"Institute of High-Frequency Technology, Hamburg University of Technology,Hamburg,Germany","institution_ids":["https://openalex.org/I159176309","https://openalex.org/I884043246"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5018713382"],"corresponding_institution_ids":["https://openalex.org/I159176309","https://openalex.org/I884043246"],"apc_list":null,"apc_paid":null,"fwci":2.5683,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.89752025,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"34","last_page":"36"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9990000128746033,"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/T11021","display_name":"ECG Monitoring and Analysis","score":0.9969000220298767,"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/standard-deviation","display_name":"Standard deviation","score":0.6162364482879639},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5859681367874146},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5298844575881958},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.5055027008056641},{"id":"https://openalex.org/keywords/continuous-wave","display_name":"Continuous wave","score":0.48591962456703186},{"id":"https://openalex.org/keywords/beat","display_name":"Beat (acoustics)","score":0.4281783103942871},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3216632902622223},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29027265310287476},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.20624005794525146},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.17483583092689514},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14212897419929504},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.10574671626091003}],"concepts":[{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.6162364482879639},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5859681367874146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5298844575881958},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5055027008056641},{"id":"https://openalex.org/C99568719","wikidata":"https://www.wikidata.org/wiki/Q1129003","display_name":"Continuous wave","level":3,"score":0.48591962456703186},{"id":"https://openalex.org/C189809214","wikidata":"https://www.wikidata.org/wiki/Q829522","display_name":"Beat (acoustics)","level":2,"score":0.4281783103942871},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3216632902622223},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29027265310287476},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.20624005794525146},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17483583092689514},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14212897419929504},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.10574671626091003},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/rws55624.2023.10046319","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rws55624.2023.10046319","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Radio and Wireless Symposium (RWS)","raw_type":"proceedings-article"},{"id":"pmh:oai:tore.tuhh.de:11420/15017","is_oa":false,"landing_page_url":"http://hdl.handle.net/11420/15017","pdf_url":null,"source":{"id":"https://openalex.org/S4306401751","display_name":"tub.dok (Hamburg University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I884043246","host_organization_name":"Hamburg University of Technology","host_organization_lineage":["https://openalex.org/I884043246"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8190876661","display_name":null,"funder_award_id":"442419336","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2015795623","https://openalex.org/W2162273778","https://openalex.org/W2884613329","https://openalex.org/W2951214606","https://openalex.org/W3005032058","https://openalex.org/W3005673329"],"related_works":["https://openalex.org/W118630527","https://openalex.org/W38289631","https://openalex.org/W4252337044","https://openalex.org/W2592886773","https://openalex.org/W2922142213","https://openalex.org/W4211121235","https://openalex.org/W1903168099","https://openalex.org/W3030807550","https://openalex.org/W2365131446","https://openalex.org/W2090102624"],"abstract_inverted_index":{"This":[0],"contribution":[1],"presents":[2],"a":[3,18,64,72,80],"122":[4],"GHz":[5],"continuous":[6],"wave":[7],"(CW)":[8],"radar":[9,42],"system":[10,60,70],"capable":[11],"of":[12,20,58,76,84],"detecting":[13],"human":[14,46],"heart":[15],"sounds":[16],"over":[17],"distance":[19],"at":[21],"least":[22],"five":[23],"meters.":[24],"A":[25,44],"bidirectional":[26],"long":[27],"short-term":[28],"memory":[29],"(LSTM)":[30],"neural":[31],"network":[32],"is":[33,51,61],"used":[34],"to":[35,63,88],"extract":[36],"precise":[37],"inter-beat-intervals":[38],"(IBIs)":[39],"from":[40],"the":[41,55,59,89],"data.":[43],"small-scale":[45],"trial":[47],"with":[48],"two":[49],"persons":[50],"carried":[52],"out,":[53],"and":[54,79],"resulting":[56],"accuracy":[57],"compared":[62,87],"gold-standard":[65],"electrocardiogram":[66],"(ECG).":[67],"The":[68],"proposed":[69],"shows":[71],"mean":[73],"absolute":[74],"error":[75],"5":[77],"ms":[78,86],"standard":[81],"deviation":[82],"(SD)":[83],"63":[85],"ECG":[90],"IBIs.":[91]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
