{"id":"https://openalex.org/W4312578500","doi":"https://doi.org/10.1109/ipin54987.2022.9918124","title":"Angle of Arrival Estimation in the Presence of Phase Difference Ambiguities","display_name":"Angle of Arrival Estimation in the Presence of Phase Difference Ambiguities","publication_year":2022,"publication_date":"2022-09-05","ids":{"openalex":"https://openalex.org/W4312578500","doi":"https://doi.org/10.1109/ipin54987.2022.9918124"},"language":"en","primary_location":{"id":"doi:10.1109/ipin54987.2022.9918124","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin54987.2022.9918124","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 12th International Conference on Indoor Positioning and Indoor Navigation (IPIN)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5107230159","display_name":"Marcel M\u00fcller","orcid":"https://orcid.org/0000-0002-8974-3120"},"institutions":[{"id":"https://openalex.org/I159743108","display_name":"Dortmund University of Applied Sciences and Arts","ror":"https://ror.org/03dv91853","country_code":"DE","type":"education","lineage":["https://openalex.org/I159743108"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marcel Muller","raw_affiliation_strings":["Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts,Dortmund,Germany","Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts, Dortmund, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts,Dortmund,Germany","institution_ids":["https://openalex.org/I159743108"]},{"raw_affiliation_string":"Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts, Dortmund, Germany","institution_ids":["https://openalex.org/I159743108"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109032877","display_name":"Christof R\u00f6hrig","orcid":null},"institutions":[{"id":"https://openalex.org/I159743108","display_name":"Dortmund University of Applied Sciences and Arts","ror":"https://ror.org/03dv91853","country_code":"DE","type":"education","lineage":["https://openalex.org/I159743108"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christof Rohrig","raw_affiliation_strings":["Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts,Dortmund,Germany","Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts, Dortmund, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts,Dortmund,Germany","institution_ids":["https://openalex.org/I159743108"]},{"raw_affiliation_string":"Institute for the Digital Transformation of Application and Living Domains (IDiAL) Fachhochschule Dortmund, University of Applied Sciences and Arts, Dortmund, Germany","institution_ids":["https://openalex.org/I159743108"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I159743108"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/angle-of-arrival","display_name":"Angle of arrival","score":0.8572639226913452},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6921709179878235},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.6852202415466309},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5629246830940247},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.49839138984680176},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.4767630696296692},{"id":"https://openalex.org/keywords/multilateration","display_name":"Multilateration","score":0.4701899290084839},{"id":"https://openalex.org/keywords/radio-propagation","display_name":"Radio propagation","score":0.46845483779907227},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4649594724178314},{"id":"https://openalex.org/keywords/direction-finding","display_name":"Direction finding","score":0.4609189033508301},{"id":"https://openalex.org/keywords/ultra-wideband","display_name":"Ultra-wideband","score":0.4553466737270355},{"id":"https://openalex.org/keywords/heading","display_name":"Heading (navigation)","score":0.4411432445049286},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.4259493947029114},{"id":"https://openalex.org/keywords/time-of-arrival","display_name":"Time of arrival","score":0.42038393020629883},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2908610701560974},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.25085633993148804},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23219740390777588},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1736728847026825},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08637791872024536}],"concepts":[{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.8572639226913452},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6921709179878235},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.6852202415466309},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5629246830940247},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.49839138984680176},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.4767630696296692},{"id":"https://openalex.org/C104037064","wikidata":"https://www.wikidata.org/wiki/Q1640884","display_name":"Multilateration","level":3,"score":0.4701899290084839},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.46845483779907227},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4649594724178314},{"id":"https://openalex.org/C2780382809","wikidata":"https://www.wikidata.org/wiki/Q1367488","display_name":"Direction finding","level":3,"score":0.4609189033508301},{"id":"https://openalex.org/C21916231","wikidata":"https://www.wikidata.org/wiki/Q851424","display_name":"Ultra-wideband","level":2,"score":0.4553466737270355},{"id":"https://openalex.org/C2776937971","wikidata":"https://www.wikidata.org/wiki/Q4384217","display_name":"Heading (navigation)","level":2,"score":0.4411432445049286},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.4259493947029114},{"id":"https://openalex.org/C163150518","wikidata":"https://www.wikidata.org/wiki/Q4135208","display_name":"Time of arrival","level":3,"score":0.42038393020629883},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2908610701560974},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.25085633993148804},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23219740390777588},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1736728847026825},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08637791872024536},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ipin54987.2022.9918124","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin54987.2022.9918124","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 12th International Conference on Indoor Positioning and Indoor Navigation (IPIN)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1498873563","https://openalex.org/W1520245840","https://openalex.org/W1973420717","https://openalex.org/W1988543519","https://openalex.org/W2006805041","https://openalex.org/W2008554897","https://openalex.org/W2012197287","https://openalex.org/W2028125626","https://openalex.org/W2030792516","https://openalex.org/W2114005163","https://openalex.org/W2115969888","https://openalex.org/W2138930337","https://openalex.org/W2141882927","https://openalex.org/W2154023174","https://openalex.org/W2156116332","https://openalex.org/W2203531036","https://openalex.org/W2545413106","https://openalex.org/W2782948498","https://openalex.org/W2786870740","https://openalex.org/W2979080103","https://openalex.org/W3108779164","https://openalex.org/W3126636933","https://openalex.org/W6771443439"],"related_works":["https://openalex.org/W2790388238","https://openalex.org/W2154770871","https://openalex.org/W4205492756","https://openalex.org/W2155086510","https://openalex.org/W2497744028","https://openalex.org/W2156792236","https://openalex.org/W3020479979","https://openalex.org/W2356647238","https://openalex.org/W2599395959","https://openalex.org/W2060831779"],"abstract_inverted_index":{"For":[0,125],"a":[1,47,56,122],"variety":[2],"of":[3,7,19,28,35,40,59,90,93,117,133,158],"applications,":[4],"the":[5,14,17,36,73,88,94,98,114,131,149,159,167,178],"task":[6],"global":[8],"localization":[9],"is":[10,30,39,53,165,170,199],"to":[11,45,54,71,108,183],"determine":[12],"both,":[13],"position":[15],"and":[16,112,196],"orientation":[18],"one":[20],"or":[21],"more":[22],"mobile":[23,31,48],"objects.":[24],"An":[25],"important":[26],"area":[27],"application":[29],"robotics,":[32],"where":[33],"knowledge":[34],"heading":[37],"angle":[38,103],"great":[41],"importance.":[42],"One":[43,156],"way":[44],"localize":[46],"robot":[49],"in":[50,121],"real":[51,203],"time":[52],"use":[55],"network":[57],"consisting":[58],"IEEE":[60],"802.15.4a":[61],"radio":[62,78,118,139,142],"nodes":[63,79,119,143],"based":[64,136,147,201],"on":[65,137,148,202],"Ultra-wideband":[66],"(UWB)":[67],"technology.":[68],"In":[69],"addition":[70],"measuring":[72],"signal":[74,95],"propagation":[75],"time,":[76],"UWB":[77,138],"equipped":[80],"with":[81],"multiple":[82],"transceiver":[83],"modules":[84],"can":[85,105],"also":[86],"estimate":[87],"Angle":[89],"Arrival":[91],"(AoA)":[92],"by":[96],"capturing":[97],"phase":[99,179],"differences.":[100],"The":[101],"additional":[102],"information":[104],"be":[106],"used":[107,164],"increase":[109],"location":[110],"accuracy":[111],"reduce":[113],"absolute":[115],"number":[116],"required":[120],"deployment":[123],"environment.":[124],"this":[126,128,192],"reason,":[127],"paper":[129],"investigates":[130],"feasibility":[132],"AoA":[134,185],"estimation":[135,186],"nodes.":[140],"Specifically,":[141],"from":[144],"Nanotron":[145],"Technologies/Inpixon":[146],"swarm":[150],"bee":[151],"ER":[152],"module":[153],"are":[154,194],"employed.":[155],"problem":[157,193],"specific":[160],"circuit":[161],"board":[162],"design":[163],"that":[166,173],"antenna":[168],"spacing":[169],"so":[171],"large":[172,184],"ambiguities":[174],"occur":[175],"when":[176],"detecting":[177],"differences,":[180],"which":[181],"leads":[182],"errors.":[187],"Hence,":[188],"methods":[189],"for":[190],"solving":[191],"presented":[195],"their":[197],"functionality":[198],"evaluated":[200],"world":[204],"measurements.":[205]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}