{"id":"https://openalex.org/W7106208869","doi":"https://doi.org/10.1145/3680207.3723461","title":"Medusa: Scalable Multi-View Biometric Sensing in the Wild with Distributed MIMO Radars","display_name":"Medusa: Scalable Multi-View Biometric Sensing in the Wild with Distributed MIMO Radars","publication_year":2025,"publication_date":"2025-11-03","ids":{"openalex":"https://openalex.org/W7106208869","doi":"https://doi.org/10.1145/3680207.3723461"},"language":null,"primary_location":{"id":"doi:10.1145/3680207.3723461","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3680207.3723461","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st Annual International Conference on Mobile Computing and Networking","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3680207.3723461","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Yilong Li","orcid":"https://orcid.org/0000-0003-3806-0570"},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yilong Li","raw_affiliation_strings":["Computer Sciences Department, University of Wisconsin-Madison, Madison, WI, USA"],"raw_orcid":"https://orcid.org/0000-0003-3806-0570","affiliations":[{"raw_affiliation_string":"Computer Sciences Department, University of Wisconsin-Madison, Madison, WI, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Ramanujan K Sheshadri","orcid":"https://orcid.org/0000-0002-4439-6305"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Ramanujan K Sheshadri","raw_affiliation_strings":["Nokia Bell Labs, Princeton, NJ, USA"],"raw_orcid":"https://orcid.org/0000-0002-4439-6305","affiliations":[{"raw_affiliation_string":"Nokia Bell Labs, Princeton, NJ, USA","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Karthik Sundaresan","orcid":"https://orcid.org/0000-0002-8089-4264"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Karthik Sundaresan","raw_affiliation_strings":["Georgia Tech, Atlanta, GA, USA"],"raw_orcid":"https://orcid.org/0000-0002-8089-4264","affiliations":[{"raw_affiliation_string":"Georgia Tech, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Eugene Chai","orcid":"https://orcid.org/0009-0003-1505-7368"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Eugene Chai","raw_affiliation_strings":["Nokia Bell Labs, Princeton, New Jersey, USA"],"raw_orcid":"https://orcid.org/0009-0003-1505-7368","affiliations":[{"raw_affiliation_string":"Nokia Bell Labs, Princeton, New Jersey, USA","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yijing Zeng","orcid":"https://orcid.org/0000-0001-5244-5034"},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},{"id":"https://openalex.org/I4210090273","display_name":"Madison Group (United States)","ror":"https://ror.org/00aw4mh72","country_code":"US","type":"company","lineage":["https://openalex.org/I4210090273"]},{"id":"https://openalex.org/I4210132596","display_name":"University of Wisconsin Health","ror":"https://ror.org/03e3qgk42","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210132596"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yijing Zeng","raw_affiliation_strings":["Computer Sciences Department, UW-Madison, Madison, WI, USA"],"raw_orcid":"https://orcid.org/0000-0001-5244-5034","affiliations":[{"raw_affiliation_string":"Computer Sciences Department, UW-Madison, Madison, WI, USA","institution_ids":["https://openalex.org/I4210090273","https://openalex.org/I4210132596","https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jayaram Raghuram","orcid":"https://orcid.org/0000-0002-9473-3357"},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jayaram Raghuram","raw_affiliation_strings":["Computer Sciences Department, University of Wisconsin-Madison, Madison, WI, USA"],"raw_orcid":"https://orcid.org/0000-0002-9473-3357","affiliations":[{"raw_affiliation_string":"Computer Sciences Department, University of Wisconsin-Madison, Madison, WI, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"last","author":{"id":null,"display_name":"Suman Banerjee","orcid":"https://orcid.org/0000-0002-5548-8862"},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Suman Banerjee","raw_affiliation_strings":["Computer Sciences Department, University of Wisconsin-Madison, Madison, WI, USA"],"raw_orcid":"https://orcid.org/0000-0002-5548-8862","affiliations":[{"raw_affiliation_string":"Computer Sciences Department, University of Wisconsin-Madison, Madison, WI, USA","institution_ids":["https://openalex.org/I135310074"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9811,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.78434654,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"78","last_page":"92"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.8691999912261963,"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":0.8691999912261963,"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/T11932","display_name":"Wireless Body Area Networks","score":0.0934000015258789,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.012400000356137753,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/scalability","display_name":"Scalability","score":0.6420999765396118},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6116999983787537},{"id":"https://openalex.org/keywords/novelty","display_name":"Novelty","score":0.5320000052452087},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4814000129699707},{"id":"https://openalex.org/keywords/biometrics","display_name":"Biometrics","score":0.43320000171661377},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.42010000348091125},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.3919999897480011},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.3686000108718872}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.730400025844574},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6420999765396118},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6116999983787537},{"id":"https://openalex.org/C2778738651","wikidata":"https://www.wikidata.org/wiki/Q16546687","display_name":"Novelty","level":2,"score":0.5320000052452087},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4814000129699707},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4634999930858612},{"id":"https://openalex.org/C184297639","wikidata":"https://www.wikidata.org/wiki/Q177765","display_name":"Biometrics","level":2,"score":0.43320000171661377},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.42010000348091125},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.3919999897480011},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.3686000108718872},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.3580999970436096},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.35440000891685486},{"id":"https://openalex.org/C2778924833","wikidata":"https://www.wikidata.org/wiki/Q7064603","display_name":"Novelty detection","level":3,"score":0.3422999978065491},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.337799996137619},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.3260999917984009},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.30649998784065247},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.30570000410079956},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.296999990940094},{"id":"https://openalex.org/C2781098865","wikidata":"https://www.wikidata.org/wiki/Q18036502","display_name":"MRAS","level":5,"score":0.28769999742507935},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.2800999879837036},{"id":"https://openalex.org/C2780226545","wikidata":"https://www.wikidata.org/wiki/Q6888030","display_name":"Modality (human\u2013computer interaction)","level":2,"score":0.26030001044273376},{"id":"https://openalex.org/C171115542","wikidata":"https://www.wikidata.org/wiki/Q1331892","display_name":"Software-defined radio","level":2,"score":0.25200000405311584},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.25130000710487366}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3680207.3723461","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3680207.3723461","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st Annual International Conference on Mobile Computing and Networking","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3680207.3723461","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3680207.3723461","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st Annual International Conference on Mobile Computing and Networking","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2531502258","display_name":null,"funder_award_id":"CNS-2312716","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2534301439","display_name":null,"funder_award_id":"CNS-2107060","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2547488200","display_name":null,"funder_award_id":"CNS-2213688","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6881147799","display_name":null,"funder_award_id":"CNS-2208761","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7709164144","display_name":null,"funder_award_id":"CNS-2112562","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2085521383","https://openalex.org/W2768587111","https://openalex.org/W2783985400","https://openalex.org/W2980129709","https://openalex.org/W3080911891","https://openalex.org/W3127637041","https://openalex.org/W4220716396"],"related_works":[],"abstract_inverted_index":{"Radio":[0],"frequency":[1],"(RF)":[2],"techniques":[3],"have":[4],"shown":[5],"promise":[6],"for":[7,18,40,148,181],"continuous":[8],"contactless":[9],"healthcare":[10],"applications.":[11],"However,":[12],"real-world":[13,64,182],"indoor":[14,197],"environments":[15],"pose":[16],"challenges":[17],"existing":[19,68],"systems,":[20],"which":[21,160],"may":[22],"struggle":[23],"to":[24,46],"detect":[25],"subtle":[26],"physiological":[27],"signals.":[28,170],"This":[29,151],"paper":[30],"proposes":[31],"Medusa,":[32],"a":[33,88],"novel":[34,156],"wireless":[35],"vital-sign":[36,61,183],"sensing":[37,62,94],"system":[38,95],"designed":[39],"multi-view":[41,91],"setups.":[42],"It":[43],"enables":[44,118],"users":[45],"deploy":[47],"distributed":[48,123,143],"Multiple":[49,51],"Input":[50],"Output":[52],"(MIMO)":[53],"arrays":[54],"into":[55],"their":[56],"daily":[57],"living":[58],"environments,":[59],"facilitating":[60],"in":[63,84,192],"settings.":[65],"Unlike":[66],"most":[67],"single":[69],"Commercial":[70],"Off-The-Shelf":[71],"(COTS)":[72],"radar-based":[73],"systems":[74],"that":[75,96],"operate":[76],"under":[77],"controlled":[78],"settings":[79],"Medusa's":[80,177],"primary":[81],"novelty":[82],"lies":[83],"the":[85,128,168],"design":[86],"of":[87,121,140,190],"first-of-its-kind":[89],"flexible":[90],"vital":[92,163],"sign":[93,164],"is":[97,152],"view-agnostic,":[98],"pose-agnostic,":[99],"contactless,":[100],"and":[101,114,134,188,195],"can":[102],"sense":[103],"basic":[104],"human":[105],"vitals":[106],"with":[107,173],"good":[108],"accuracy.":[109],"Through":[110],"our":[111,155],"well-engineered":[112],"hardware":[113],"software":[115],"co-design,":[116],"Medusa":[117],"real-time":[119],"processing":[120],"large":[122],"MIMO":[124],"arrays,":[125],"while":[126],"balancing":[127],"tradeoff":[129],"between":[130],"Signal-to-Noise":[131],"Ratio":[132],"(SNR)":[133],"spatial":[135,178],"diversity":[136,179],"gain":[137,180],"across":[138],"each":[139],"its":[141],"four":[142],"4":[144,146],"\u00d7":[145],"sub-arrays":[147],"increased":[149],"robustness.":[150],"achieved":[153],"using":[154],"unsupervised":[157],"learning":[158],"model":[159],"effectively":[161],"recovers":[162],"waveforms":[165],"by":[166],"decomposing":[167],"received":[169],"Extensive":[171],"evaluations":[172],"21":[174],"participants":[175],"demonstrate":[176],"monitoring,":[184],"enabling":[185],"free":[186],"movement":[187],"orientation":[189],"subjects":[191],"both":[193],"familiar":[194],"unfamiliar":[196],"environments.":[198]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-11-23T00:00:00"}