{"id":"https://openalex.org/W4416926528","doi":"https://doi.org/10.1145/3770673","title":"A Batteryless Wireless Microphone Using RF Backscatter","display_name":"A Batteryless Wireless Microphone Using RF Backscatter","publication_year":2025,"publication_date":"2025-12-02","ids":{"openalex":"https://openalex.org/W4416926528","doi":"https://doi.org/10.1145/3770673"},"language":"en","primary_location":{"id":"doi:10.1145/3770673","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3770673","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"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 ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1145/3770673","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5077108514","display_name":"Qingping Wang","orcid":"https://orcid.org/0009-0002-8169-320X"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Qijun Wang","raw_affiliation_strings":["Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA"],"raw_orcid":"https://orcid.org/0009-0002-8169-320X","affiliations":[{"raw_affiliation_string":"Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074747392","display_name":"Chunqi Qian","orcid":"https://orcid.org/0000-0003-4528-4572"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chunqi Qian","raw_affiliation_strings":["Radiology, Michigan State University, East Lansing, Michigan, USA"],"raw_orcid":"https://orcid.org/0000-0003-4528-4572","affiliations":[{"raw_affiliation_string":"Radiology, Michigan State University, East Lansing, Michigan, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113422623","display_name":"Peihao Yan","orcid":"https://orcid.org/0009-0009-8966-1019"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peihao Yan","raw_affiliation_strings":["Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA"],"raw_orcid":"https://orcid.org/0009-0009-8966-1019","affiliations":[{"raw_affiliation_string":"Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053908209","display_name":"Shichen Zhang","orcid":"https://orcid.org/0000-0001-8432-0834"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shichen Zhang","raw_affiliation_strings":["Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA"],"raw_orcid":"https://orcid.org/0000-0001-8432-0834","affiliations":[{"raw_affiliation_string":"Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027120851","display_name":"Huacheng Zeng","orcid":"https://orcid.org/0000-0002-3272-5239"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Huacheng Zeng","raw_affiliation_strings":["CSE, Michigan State University, East Lansing, Michigan, USA"],"raw_orcid":"https://orcid.org/0000-0002-3272-5239","affiliations":[{"raw_affiliation_string":"CSE, Michigan State University, East Lansing, Michigan, USA","institution_ids":["https://openalex.org/I87216513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5077108514"],"corresponding_institution_ids":["https://openalex.org/I87216513"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.33738208,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"9","issue":"4","first_page":"1","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.8988000154495239,"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"}},"topics":[{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.8988000154495239,"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"}},{"id":"https://openalex.org/T10986","display_name":"RFID technology advancements","score":0.0284000001847744,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.02759999968111515,"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/microphone","display_name":"Microphone","score":0.7340999841690063},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.6363999843597412},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.629800021648407},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.5828999876976013},{"id":"https://openalex.org/keywords/frequency-modulation","display_name":"Frequency modulation","score":0.48649999499320984},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.44040000438690186},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.43970000743865967},{"id":"https://openalex.org/keywords/amplitude-modulation","display_name":"Amplitude modulation","score":0.4323999881744385},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4090000092983246}],"concepts":[{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.7340999841690063},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.6363999843597412},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.629800021648407},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.5828999876976013},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5260999798774719},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.48649999499320984},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.48030000925064087},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.44040000438690186},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.43970000743865967},{"id":"https://openalex.org/C201905106","wikidata":"https://www.wikidata.org/wiki/Q183755","display_name":"Amplitude modulation","level":4,"score":0.4323999881744385},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4090000092983246},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.3935999870300293},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3847000002861023},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.3846000134944916},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.37290000915527344},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.33719998598098755},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.33500000834465027},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.3262999951839447},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.3221000134944916},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.310699999332428},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.3070000112056732},{"id":"https://openalex.org/C92545706","wikidata":"https://www.wikidata.org/wiki/Q902174","display_name":"Radio spectrum","level":2,"score":0.3061000108718872},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.30410000681877136},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.2996000051498413},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.2953999936580658},{"id":"https://openalex.org/C142031617","wikidata":"https://www.wikidata.org/wiki/Q17105437","display_name":"Radio transmitter design","level":4,"score":0.2937999963760376},{"id":"https://openalex.org/C8590192","wikidata":"https://www.wikidata.org/wiki/Q1054694","display_name":"Frequency response","level":2,"score":0.26840001344680786},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.2637999951839447}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3770673","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3770673","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"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 ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/3770673","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3770673","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"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 ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3370784913","display_name":null,"funder_award_id":"2225337, 2144138","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1606496075","https://openalex.org/W2047124548","https://openalex.org/W2344270702","https://openalex.org/W2411057395","https://openalex.org/W2415609862","https://openalex.org/W2732113146","https://openalex.org/W2861076619","https://openalex.org/W2862767104","https://openalex.org/W2898568495","https://openalex.org/W2945317724","https://openalex.org/W2953297989","https://openalex.org/W2957275777","https://openalex.org/W2983709619","https://openalex.org/W3015338123","https://openalex.org/W3032987449","https://openalex.org/W3034484558","https://openalex.org/W3107444068","https://openalex.org/W3153566788","https://openalex.org/W3194207557","https://openalex.org/W3194691351","https://openalex.org/W3210855245","https://openalex.org/W3214732285","https://openalex.org/W4200264829","https://openalex.org/W4206241887","https://openalex.org/W4225303729","https://openalex.org/W4281749769","https://openalex.org/W4283219755","https://openalex.org/W4284881846","https://openalex.org/W4288057696","https://openalex.org/W4293193994","https://openalex.org/W4306179797","https://openalex.org/W4309675584","https://openalex.org/W4313037568","https://openalex.org/W4317927907","https://openalex.org/W4319837251","https://openalex.org/W4322731291","https://openalex.org/W4361802559","https://openalex.org/W4380301346","https://openalex.org/W4386243293","https://openalex.org/W4387007263","https://openalex.org/W4389543053","https://openalex.org/W4408749838","https://openalex.org/W4409885472"],"related_works":[],"abstract_inverted_index":{"Wireless":[0],"microphones":[1],"are":[2],"essential":[3],"tools":[4],"in":[5,86,103,173,182],"business,":[6],"education,":[7],"entertainment,":[8],"and":[9,26,77,162,177],"other":[10],"domains.":[11],"However,":[12],"most":[13],"existing":[14],"designs":[15],"rely":[16],"on":[17,57],"batteries,":[18],"leading":[19],"to":[20,72,127],"the":[21,27,69,82,121,138,143],"inconvenience":[22],"of":[23,29,160],"frequent":[24],"recharging":[25],"risk":[28],"unexpected":[30],"power":[31],"failure":[32],"during":[33],"use.":[34],"In":[35],"this":[36],"paper,":[37],"we":[38],"present":[39],"TagMic,":[40],"a":[41,47,97,104,158],"battery-free":[42],"wireless":[43,179],"microphone":[44],"enabled":[45],"by":[46],"novel":[48],"radio":[49],"frequency":[50,130],"(RF)":[51],"backscatter":[52,63,92],"technology.":[53],"TagMic":[54,161],"is":[55,118],"built":[56,157],"two":[58],"key":[59],"innovations.":[60],"(i)":[61],"Parametric":[62],"tag":[64,71,123],"design:":[65],"This":[66,141],"design":[67],"enables":[68],"RF":[70,112,122,125],"operate":[73],"at":[74],"separate":[75],"excitation":[76],"reflection":[78],"frequencies,":[79],"fundamentally":[80],"mitigating":[81],"self-interference":[83],"problem":[84],"inherent":[85],"conventional":[87],"RFID":[88],"systems.":[89],"Unlike":[90],"harmonic":[91],"approaches,":[93],"it":[94,164],"also":[95],"requires":[96],"significantly":[98],"lower":[99],"activation":[100],"voltage,":[101],"resulting":[102],"longer":[105],"communication":[106],"range.":[107],"(ii)":[108],"Voice":[109],"modulation":[110,131],"via":[111],"coupling:":[113],"A":[114],"passive":[115],"piezoelectric":[116],"sensor":[117],"integrated":[119],"with":[120],"through":[124],"coupling":[126],"enable":[128],"analog-domain":[129],"(FM),":[132],"directly":[133],"encoding":[134],"voice":[135,153,180],"signals":[136],"onto":[137],"backscattered":[139],"signal.":[140],"eliminates":[142],"need":[144],"for":[145,150],"digital":[146],"signal":[147],"processing,":[148],"allowing":[149],"truly":[151],"continuous":[152],"streaming.":[154],"We":[155],"have":[156],"prototype":[159],"evaluated":[163],"under":[165],"realistic":[166,183],"conditions.":[167],"Extensive":[168],"experiments":[169],"demonstrate":[170],"its":[171],"effectiveness":[172],"achieving":[174],"battery-free,":[175],"continuous,":[176],"seamless":[178],"streaming":[181],"applications.":[184]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-12-02T00:00:00"}