{"id":"https://openalex.org/W3201120102","doi":"https://doi.org/10.1145/3478124","title":"ULoc","display_name":"ULoc","publication_year":2021,"publication_date":"2021-09-09","ids":{"openalex":"https://openalex.org/W3201120102","doi":"https://doi.org/10.1145/3478124","mag":"3201120102"},"language":"en","primary_location":{"id":"doi:10.1145/3478124","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3478124","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3478124","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":null,"license_id":null,"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":"bronze","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3478124","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012350268","display_name":"Minghui Zhao","orcid":"https://orcid.org/0000-0003-1999-0078"},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Minghui Zhao","raw_affiliation_strings":["University of California, San Diego, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, San Diego, USA","institution_ids":["https://openalex.org/I36258959"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046456944","display_name":"Tyler A. Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tyler Chang","raw_affiliation_strings":["University of California, San Diego, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, San Diego, USA","institution_ids":["https://openalex.org/I36258959"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046360879","display_name":"Aditya Arun","orcid":"https://orcid.org/0000-0002-5686-0179"},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aditya Arun","raw_affiliation_strings":["University of California, San Diego, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, San Diego, USA","institution_ids":["https://openalex.org/I36258959"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055679699","display_name":"Roshan Ayyalasomayajula","orcid":"https://orcid.org/0000-0002-4069-8429"},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roshan Ayyalasomayajula","raw_affiliation_strings":["University of California, San Diego, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, San Diego, USA","institution_ids":["https://openalex.org/I36258959"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100458160","display_name":"Chi Zhang","orcid":"https://orcid.org/0000-0002-1324-2311"},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chi Zhang","raw_affiliation_strings":["University of California, San Diego, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, San Diego, USA","institution_ids":["https://openalex.org/I36258959"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040875765","display_name":"Dinesh Bharadia","orcid":"https://orcid.org/0000-0002-3518-4722"},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dinesh Bharadia","raw_affiliation_strings":["University of California, San Diego, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, San Diego, USA","institution_ids":["https://openalex.org/I36258959"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I36258959"],"apc_list":null,"apc_paid":null,"fwci":4.1006,"has_fulltext":true,"cited_by_count":76,"citation_normalized_percentile":{"value":0.94966112,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"5","issue":"3","first_page":"1","last_page":"31"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9980999827384949,"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/T12024","display_name":"Ultra-Wideband Communications Technology","score":0.9980999827384949,"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/computer-science","display_name":"Computer science","score":0.7726670503616333},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7001497745513916},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.6801780462265015},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.6173621416091919},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5933269262313843},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.5567716956138611},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.5388683080673218},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4996023178100586},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38518089056015015},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3117144703865051},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2554647922515869}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7726670503616333},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7001497745513916},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.6801780462265015},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.6173621416091919},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5933269262313843},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.5567716956138611},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.5388683080673218},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4996023178100586},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38518089056015015},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3117144703865051},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2554647922515869},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3478124","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3478124","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3478124","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":null,"license_id":null,"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:10.1145/3478124","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3478124","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3478124","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":null,"license_id":null,"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":[{"score":0.6100000143051147,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3201120102.pdf","grobid_xml":"https://content.openalex.org/works/W3201120102.grobid-xml"},"referenced_works_count":72,"referenced_works":["https://openalex.org/W795137395","https://openalex.org/W813795407","https://openalex.org/W1498622074","https://openalex.org/W1585879837","https://openalex.org/W1599976967","https://openalex.org/W1794650323","https://openalex.org/W1964895037","https://openalex.org/W1971584730","https://openalex.org/W1977917536","https://openalex.org/W1983301216","https://openalex.org/W1995449679","https://openalex.org/W2013503669","https://openalex.org/W2031483399","https://openalex.org/W2048295479","https://openalex.org/W2063515917","https://openalex.org/W2065399045","https://openalex.org/W2069973845","https://openalex.org/W2101891156","https://openalex.org/W2102159398","https://openalex.org/W2111986491","https://openalex.org/W2113638573","https://openalex.org/W2114005163","https://openalex.org/W2123914993","https://openalex.org/W2128131274","https://openalex.org/W2133213444","https://openalex.org/W2145938889","https://openalex.org/W2147628505","https://openalex.org/W2152005770","https://openalex.org/W2154696360","https://openalex.org/W2158090937","https://openalex.org/W2167573991","https://openalex.org/W2213241233","https://openalex.org/W2224377240","https://openalex.org/W2273750218","https://openalex.org/W2307851164","https://openalex.org/W2326583584","https://openalex.org/W2345146159","https://openalex.org/W2402514617","https://openalex.org/W2535132185","https://openalex.org/W2557035147","https://openalex.org/W2588147029","https://openalex.org/W2743524224","https://openalex.org/W2765388466","https://openalex.org/W2766379701","https://openalex.org/W2782948498","https://openalex.org/W2834910512","https://openalex.org/W2884280313","https://openalex.org/W2898138808","https://openalex.org/W2898500478","https://openalex.org/W2902468342","https://openalex.org/W2909012991","https://openalex.org/W2914439234","https://openalex.org/W2934786869","https://openalex.org/W2935512808","https://openalex.org/W2947981513","https://openalex.org/W2964656823","https://openalex.org/W2971495015","https://openalex.org/W2979457449","https://openalex.org/W2980775168","https://openalex.org/W2980958334","https://openalex.org/W2995428059","https://openalex.org/W2995601204","https://openalex.org/W3021789920","https://openalex.org/W3081923731","https://openalex.org/W3091682074","https://openalex.org/W3095866203","https://openalex.org/W3096832794","https://openalex.org/W3101981714","https://openalex.org/W3113544211","https://openalex.org/W3114121466","https://openalex.org/W3142318684","https://openalex.org/W4252725832"],"related_works":["https://openalex.org/W4384112194","https://openalex.org/W2783354812","https://openalex.org/W2103009189","https://openalex.org/W4312958259","https://openalex.org/W4390813131","https://openalex.org/W2349383066","https://openalex.org/W1969901537","https://openalex.org/W2393741509","https://openalex.org/W2159099865","https://openalex.org/W2998256594"],"abstract_inverted_index":{"A":[0],"myriad":[1],"of":[2,72,78,84,87,97,116,165,176,203,215,262,288],"IoT":[3],"applications,":[4],"ranging":[5,273],"from":[6,30,129,180],"tracking":[7,17,53,148,281,286],"assets":[8],"in":[9,18,36,42,103,133,193,291],"hospitals,":[10],"logistics,":[11],"and":[12,52,66,113,143,147,162],"construction":[13],"industries":[14],"to":[15,28,94,169,243],"indoor":[16,20],"large":[19],"spaces,":[21],"demand":[22],"centimeter-accurate":[23],"localization":[24,51,71,146,219,224,255,260],"that":[25,90,110,159,256,283],"is":[26,59,266,295],"robust":[27],"blockages":[29],"hands,":[31],"furniture,":[32],"or":[33],"other":[34],"occlusions":[35],"the":[37,43,85,88,95,98,121,134,174,181,191,201,204,230,237,270,299],"environment.":[38,106,135],"With":[39],"this":[40],"need,":[41],"recent":[44],"past,":[45],"Ultra":[46],"Wide":[47],"Band":[48],"(UWB)":[49],"based":[50,223,253],"has":[54],"become":[55],"popular.":[56],"Its":[57],"popularity":[58],"driven":[60],"by":[61,207,239],"its":[62],"proposed":[63],"high":[64,76,111],"bandwidth":[65,77],"protocol":[67],"specifically":[68],"designed":[69],"for":[70],"specialized":[73],"\"tags\".":[74],"This":[75],"UWB":[79,145,157,186,218,222],"provides":[80],"a":[81,104,127,140,155,177,250,258,279,285],"fine":[82],"resolution":[83],"time-of-travel":[86,118,245],"signal":[89],"can":[91,189],"be":[92],"translated":[93],"location":[96,198,234],"tag":[99,192,238],"with":[100,172,213],"centimeter-grade":[101],"accuracy":[102,261,287],"controlled":[105],"Unfortunately,":[107],"we":[108,137,152],"find":[109],"latency":[112,202],"high-power":[114],"consumption":[115,232],"these":[117],"methods":[119],"are":[120],"major":[122],"culprits":[123],"which":[124,265,294],"prevent":[125],"such":[126],"system":[128,206,282],"deploying":[130],"multiple":[131,185],"tags":[132],"Thus,":[136],"developed":[138,278],"ULoc,":[139,151],"scalable,":[141],"low-power,":[142],"cm-accurate":[144],"system.":[149],"In":[150],"custom":[153],"build":[154],"multi-antenna":[156],"anchor":[158],"enables":[160],"azimuth":[161],"polar":[163],"angle":[164],"arrival":[166],"(henceforth":[167],"shortened":[168],"'3D-AoA')":[170],"measurements,":[171],"just":[173],"reception":[175],"single":[178],"packet":[179],"tag.":[182],"By":[183],"combining":[184],"anchors,":[187],"ULoc":[188],"localize":[190],"3D":[194,254],"space.":[195],"The":[196],"single-packet":[197],"estimation":[199],"reduces":[200,229],"entire":[205],"at":[208,236],"least":[209],"3\u00d7,":[210],"as":[211,241],"compared":[212,242],"state":[214],"art":[216],"multi-packet":[217],"protocols,":[220],"making":[221],"scalable.":[225],"ULoc's":[226],"design":[227],"also":[228],"power":[231],"per":[233],"estimate":[235],"9\u00d7,":[240],"state-of-art":[244],"algorithms.":[246],"We":[247,276],"further":[248,277],"develop":[249],"novel":[251],"3D-AoA":[252],"shows":[257],"stationary":[259],"3.6":[263],"cm":[264,290],"1.8\u00d7":[267],"better":[268,297],"than":[269,298],"state-of-the-art":[271,300],"two-way":[272],"(TWR)":[274],"systems.":[275,302],"temporal":[280],"achieves":[284],"10":[289],"mobile":[292],"conditions":[293],"4.3\u00d7":[296],"TWR":[301]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":21},{"year":2023,"cited_by_count":18},{"year":2022,"cited_by_count":12}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2021-09-27T00:00:00"}
