{"id":"https://openalex.org/W2897935807","doi":"https://doi.org/10.1109/tcomm.2018.2874941","title":"OpArray: Exploiting Array Orientation for Accurate Indoor Localization","display_name":"OpArray: Exploiting Array Orientation for Accurate Indoor Localization","publication_year":2018,"publication_date":"2018-10-09","ids":{"openalex":"https://openalex.org/W2897935807","doi":"https://doi.org/10.1109/tcomm.2018.2874941","mag":"2897935807"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2018.2874941","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2018.2874941","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-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/A5023268287","display_name":"Yang Zheng","orcid":"https://orcid.org/0000-0002-3582-8786"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Zheng","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-3582-8786","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029337392","display_name":"Min Sheng","orcid":"https://orcid.org/0000-0002-7762-5063"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Sheng","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-7762-5063","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100682735","display_name":"Junyu Liu","orcid":"https://orcid.org/0000-0001-7667-6451"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junyu Liu","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-7667-6451","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004181029","display_name":"Jiandong Li","orcid":"https://orcid.org/0000-0002-8851-836X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiandong Li","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-8851-836X","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":1.7675,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.8590036,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"67","issue":"1","first_page":"847","last_page":"858"},"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":0.9976000189781189,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.8291727304458618},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.683991551399231},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.6657164096832275},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.6154029965400696},{"id":"https://openalex.org/keywords/sensor-array","display_name":"Sensor array","score":0.5982111096382141},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.5317840576171875},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5164642333984375},{"id":"https://openalex.org/keywords/array-processing","display_name":"Array processing","score":0.5036086440086365},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.500859260559082},{"id":"https://openalex.org/keywords/multilateration","display_name":"Multilateration","score":0.43008726835250854},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37917229533195496},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.3694979250431061},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36265724897384644},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.34406131505966187},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.31224527955055237},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.24369165301322937},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.20076465606689453},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1658247411251068},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.165113627910614},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14732789993286133},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10704383254051208},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.10570153594017029}],"concepts":[{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.8291727304458618},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.683991551399231},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.6657164096832275},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.6154029965400696},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.5982111096382141},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.5317840576171875},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5164642333984375},{"id":"https://openalex.org/C2778545087","wikidata":"https://www.wikidata.org/wiki/Q4795883","display_name":"Array processing","level":4,"score":0.5036086440086365},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.500859260559082},{"id":"https://openalex.org/C104037064","wikidata":"https://www.wikidata.org/wiki/Q1640884","display_name":"Multilateration","level":3,"score":0.43008726835250854},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37917229533195496},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3694979250431061},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36265724897384644},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.34406131505966187},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.31224527955055237},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.24369165301322937},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.20076465606689453},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1658247411251068},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.165113627910614},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14732789993286133},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10704383254051208},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10570153594017029},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2018.2874941","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2018.2874941","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3283882023","display_name":null,"funder_award_id":"91638202","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4914958307","display_name":null,"funder_award_id":"2017M620439","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G605412766","display_name":null,"funder_award_id":"2018T111017","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8114394444","display_name":null,"funder_award_id":"61725103","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1500551892","https://openalex.org/W1525535255","https://openalex.org/W1585879837","https://openalex.org/W1952629836","https://openalex.org/W1977121389","https://openalex.org/W1983301216","https://openalex.org/W1994477821","https://openalex.org/W2005598601","https://openalex.org/W2013503669","https://openalex.org/W2064081294","https://openalex.org/W2089695767","https://openalex.org/W2093077835","https://openalex.org/W2101417447","https://openalex.org/W2106538934","https://openalex.org/W2106892069","https://openalex.org/W2113638573","https://openalex.org/W2117909688","https://openalex.org/W2128131274","https://openalex.org/W2130342534","https://openalex.org/W2136274821","https://openalex.org/W2143228105","https://openalex.org/W2164278908","https://openalex.org/W2166000463","https://openalex.org/W2166315077","https://openalex.org/W2170102584","https://openalex.org/W2170240475","https://openalex.org/W2278572312","https://openalex.org/W2307851164","https://openalex.org/W2337457909","https://openalex.org/W2460449827","https://openalex.org/W2508380290","https://openalex.org/W2536129580","https://openalex.org/W2557998141","https://openalex.org/W2736291874","https://openalex.org/W2770989067","https://openalex.org/W2786314798","https://openalex.org/W3103263186","https://openalex.org/W3162273152","https://openalex.org/W4206180546","https://openalex.org/W4235628085","https://openalex.org/W4237031056","https://openalex.org/W4292363360","https://openalex.org/W6635170509","https://openalex.org/W6698302138"],"related_works":["https://openalex.org/W2790388238","https://openalex.org/W2364383939","https://openalex.org/W1547202339","https://openalex.org/W2982297524","https://openalex.org/W2129508208","https://openalex.org/W2351060036","https://openalex.org/W2347893079","https://openalex.org/W3131682829","https://openalex.org/W200518853","https://openalex.org/W2103757589"],"abstract_inverted_index":{"Signal":[0],"processing":[1],"on":[2,54,88,160],"antenna":[3],"arrays":[4],"has":[5,33],"recently":[6],"received":[7],"extensive":[8],"attention":[9],"in":[10,26,38,70,142,167],"the":[11,24,27,30,41,49,55,68,75,101,135,143,184,193],"area":[12],"of":[13,51,57,137,180],"angle-of-arrival":[14],"(AoA)-based":[15],"indoor":[16,59,84,170],"localization.":[17],"Although":[18],"sufficient":[19],"array":[20,31,52,63,90,96,115,121],"elements":[21],"can":[22,65,110,156],"improve":[23],"resolution":[25],"AoA":[28,71,105,152],"estimation,":[29,72],"orientation":[32,64],"not":[34],"been":[35],"well":[36],"exploited":[37],"research":[39],"into":[40],"localization":[42,60,76,85,178,195],"performance.":[43],"In":[44,146],"this":[45],"paper,":[46],"we":[47,79],"investigate":[48],"effect":[50],"orientations":[53,122],"performance":[56],"AoA-based":[58],"systems.":[61,196],"Appropriate":[62],"efficiently":[66],"reduce":[67],"uncertainty":[69],"thereby":[73],"improving":[74],"accuracy.":[77],"Accordingly,":[78],"present":[80],"OpArray,":[81],"an":[82,95,150],"accurate":[83,104],"system":[86],"based":[87],"flexible":[89],"deployment.":[91],"First,":[92],"OpArray":[93,126,155,174],"designs":[94],"deployment":[97,108],"scheme,":[98],"which":[99,140,191],"establishes":[100],"foundation":[102],"for":[103],"estimates.":[106],"The":[107],"scheme":[109],"be":[111],"easily":[112],"implemented":[113],"through":[114],"rotations":[116],"so":[117],"as":[118],"to":[119,133],"optimize":[120],"at":[123],"receivers.":[124],"Second,":[125],"incorporates":[127],"two":[128],"refined":[129],"phase":[130],"preprocessing":[131],"algorithms":[132],"mitigate":[134],"impact":[136],"negative":[138],"factors,":[139],"exist":[141],"practical":[144],"implementation.":[145],"addition,":[147],"aided":[148],"by":[149],"improved":[151],"estimation":[153],"algorithm,":[154],"localize":[157],"a":[158,168,176],"target":[159],"commercial":[161],"off-the-shelf":[162],"Wi-Fi":[163],"platforms.":[164],"Our":[165],"experiments":[166],"multipath-rich":[169],"environment":[171],"show":[172],"that":[173],"achieves":[175],"median":[177],"error":[179,187],"0.5":[181],"m":[182],"and":[183],"80th":[185],"percentile":[186],"is":[188],"1.0":[189],"m,":[190],"outperforms":[192],"state-of-the-art":[194]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}