{"id":"https://openalex.org/W4414400624","doi":"https://doi.org/10.1109/tii.2025.3606938","title":"A New Indoor Positioning Method Reducing the Errors Due to NLOS Environments Under Sparse Sensor Deployment Conditions","display_name":"A New Indoor Positioning Method Reducing the Errors Due to NLOS Environments Under Sparse Sensor Deployment Conditions","publication_year":2025,"publication_date":"2025-09-22","ids":{"openalex":"https://openalex.org/W4414400624","doi":"https://doi.org/10.1109/tii.2025.3606938"},"language":"en","primary_location":{"id":"doi:10.1109/tii.2025.3606938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tii.2025.3606938","pdf_url":null,"source":{"id":"https://openalex.org/S184777250","display_name":"IEEE Transactions on Industrial Informatics","issn_l":"1551-3203","issn":["1551-3203","1941-0050"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Industrial Informatics","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/A5071183139","display_name":"Yiting Wang","orcid":"https://orcid.org/0000-0002-9129-5558"},"institutions":[{"id":"https://openalex.org/I4210153230","display_name":"Shanghai Academy of Spaceflight Technology","ror":"https://ror.org/050qhwt21","country_code":"CN","type":"government","lineage":["https://openalex.org/I2802615301","https://openalex.org/I4210153230"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yiting Wang","raw_affiliation_strings":["Shanghai Spaceflight Electronic and Communication Equipment Research Institute, 112 lab, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Spaceflight Electronic and Communication Equipment Research Institute, 112 lab, Shanghai, China","institution_ids":["https://openalex.org/I4210153230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002982520","display_name":"Jingqi Fu","orcid":"https://orcid.org/0000-0002-0811-1034"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingqi Fu","raw_affiliation_strings":["Department of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100725844","display_name":"Yifan Cao","orcid":"https://orcid.org/0000-0002-0916-6117"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yifan Cao","raw_affiliation_strings":["Department of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5071183139"],"corresponding_institution_ids":["https://openalex.org/I4210153230"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.34978828,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":"12","first_page":"9767","last_page":"9777"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9648000001907349,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9648000001907349,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9424999952316284,"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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9264000058174133,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.9079999923706055},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.5385000109672546},{"id":"https://openalex.org/keywords/weighting","display_name":"Weighting","score":0.5127000212669373},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.48590001463890076},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.4587000012397766},{"id":"https://openalex.org/keywords/angle-of-arrival","display_name":"Angle of arrival","score":0.37450000643730164},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.3720000088214874},{"id":"https://openalex.org/keywords/observational-error","display_name":"Observational error","score":0.3693000078201294},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.3653999865055084}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.9079999923706055},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6759999990463257},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5385000109672546},{"id":"https://openalex.org/C183115368","wikidata":"https://www.wikidata.org/wiki/Q856577","display_name":"Weighting","level":2,"score":0.5127000212669373},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5074999928474426},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.48590001463890076},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4668999910354614},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.4587000012397766},{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.37450000643730164},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.3720000088214874},{"id":"https://openalex.org/C19619285","wikidata":"https://www.wikidata.org/wiki/Q196372","display_name":"Observational error","level":2,"score":0.3693000078201294},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.3653999865055084},{"id":"https://openalex.org/C2778913798","wikidata":"https://www.wikidata.org/wiki/Q1195672","display_name":"Received signal strength indication","level":3,"score":0.3434999883174896},{"id":"https://openalex.org/C137209882","wikidata":"https://www.wikidata.org/wiki/Q1403517","display_name":"Measurement uncertainty","level":2,"score":0.33889999985694885},{"id":"https://openalex.org/C2385561","wikidata":"https://www.wikidata.org/wiki/Q45432","display_name":"RSS","level":2,"score":0.3334999978542328},{"id":"https://openalex.org/C81845259","wikidata":"https://www.wikidata.org/wiki/Q290117","display_name":"Quadratic programming","level":2,"score":0.3269999921321869},{"id":"https://openalex.org/C176808163","wikidata":"https://www.wikidata.org/wiki/Q17105794","display_name":"Signal strength","level":3,"score":0.3228999972343445},{"id":"https://openalex.org/C163150518","wikidata":"https://www.wikidata.org/wiki/Q4135208","display_name":"Time of arrival","level":3,"score":0.3140000104904175},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.3059000074863434},{"id":"https://openalex.org/C88548561","wikidata":"https://www.wikidata.org/wiki/Q347599","display_name":"sort","level":2,"score":0.30169999599456787},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.2906000018119812},{"id":"https://openalex.org/C2986158284","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Distance measurement","level":2,"score":0.28850001096725464},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.28209999203681946},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.2800999879837036},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.2770000100135803},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.2669999897480011},{"id":"https://openalex.org/C119247159","wikidata":"https://www.wikidata.org/wiki/Q1366192","display_name":"System identification","level":3,"score":0.26249998807907104},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25279998779296875}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tii.2025.3606938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tii.2025.3606938","pdf_url":null,"source":{"id":"https://openalex.org/S184777250","display_name":"IEEE Transactions on Industrial Informatics","issn_l":"1551-3203","issn":["1551-3203","1941-0050"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Industrial Informatics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W2006892817","https://openalex.org/W2031100989","https://openalex.org/W2075403247","https://openalex.org/W2145455773","https://openalex.org/W2158317991","https://openalex.org/W2171029749","https://openalex.org/W2243020740","https://openalex.org/W2624922641","https://openalex.org/W2754132388","https://openalex.org/W2924364720","https://openalex.org/W2958580016","https://openalex.org/W2964029185","https://openalex.org/W4210659589","https://openalex.org/W4236316114","https://openalex.org/W4312745549","https://openalex.org/W4312990322","https://openalex.org/W4321249391","https://openalex.org/W4377290276","https://openalex.org/W4379984690","https://openalex.org/W4388563591","https://openalex.org/W4391129814","https://openalex.org/W4392412448","https://openalex.org/W4392567194","https://openalex.org/W4392607689","https://openalex.org/W4396695416","https://openalex.org/W4399939370","https://openalex.org/W4399939439","https://openalex.org/W4400346353","https://openalex.org/W4401879586","https://openalex.org/W4401906582","https://openalex.org/W4402833543","https://openalex.org/W4412871812"],"related_works":[],"abstract_inverted_index":{"Accurate":[0],"indoor":[1,108],"localization":[2,73,119],"in":[3,105],"nonline-of-sight":[4],"(NLOS)":[5],"environments":[6],"remains":[7],"a":[8,26,76,99,106],"critical":[9],"challenge":[10],"for":[11],"resource-constrained":[12],"internet":[13],"of":[14,41],"things":[15],"(IoT)":[16],"systems,":[17],"particularly":[18],"under":[19],"sparse":[20],"anchor":[21,92],"deployments.":[22],"This":[23],"article":[24],"proposes":[25],"geometry-constrained":[27],"NLOS":[28,58,126],"error":[29,53,62,127],"mitigation":[30,128],"(GC-NEM)":[31],"algorithm":[32,85,117],"that":[33,113],"synergistically":[34],"integrates":[35],"received":[36],"signal":[37],"strength":[38],"and":[39],"angle":[40],"arrival":[42],"measurements.":[43],"Unlike":[44],"existing":[45],"methods":[46],"requiring":[47],"explicit":[48],"line-of-sight/NLOS":[49],"identification":[50],"or":[51],"prior":[52],"statistics,":[54],"GC-NEM":[55,116],"dynamically":[56],"calibrates":[57],"biases":[59],"through":[60],"adaptive":[61],"weighting":[63],"coefficients":[64],"bounded":[65],"by":[66,121],"geometric":[67],"feasibility":[68],"constraints.":[69],"By":[70],"formulating":[71],"the":[72,83,96,114],"problem":[74],"as":[75],"quadratic":[77],"optimization":[78],"task":[79],"with":[80],"equality":[81],"constraints,":[82],"proposed":[84,97,115],"achieves":[86],"submeter":[87],"accuracy":[88,120],"using":[89],"only":[90],"two":[91],"nodes.":[93],"To":[94],"validate":[95],"algorithm,":[98],"wireless":[100],"positioning":[101],"system":[102],"was":[103],"established":[104],"practical":[107],"environment.":[109],"Experimental":[110],"results":[111],"indicate":[112],"improves":[118],"16.4%":[122],"compared":[123],"to":[124],"conventional":[125],"algorithms.":[129]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-10T00:00:00"}
