{"id":"https://openalex.org/W3118190411","doi":"https://doi.org/10.23919/eusipco47968.2020.9287812","title":"Robust 2d Indoor Positioning Algorithm in the Presence of Non-Line-of-Sight Signals","display_name":"Robust 2d Indoor Positioning Algorithm in the Presence of Non-Line-of-Sight Signals","publication_year":2020,"publication_date":"2020-12-18","ids":{"openalex":"https://openalex.org/W3118190411","doi":"https://doi.org/10.23919/eusipco47968.2020.9287812","mag":"3118190411"},"language":"en","primary_location":{"id":"doi:10.23919/eusipco47968.2020.9287812","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco47968.2020.9287812","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 28th European Signal Processing Conference (EUSIPCO)","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/A5042580278","display_name":"Mohammed H. AlSharif","orcid":"https://orcid.org/0000-0001-5024-7106"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohammed H. AlSharif","raw_affiliation_strings":["King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038821572","display_name":"Mohanad Ahmed","orcid":"https://orcid.org/0000-0002-7194-7141"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohanad Ahmed","raw_affiliation_strings":["King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020354129","display_name":"Abdulwahab Felemban","orcid":"https://orcid.org/0000-0002-7612-1349"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Abdulwahab Felemban","raw_affiliation_strings":["King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016320224","display_name":"Abdullah Zayat","orcid":null},"institutions":[{"id":"https://openalex.org/I134085113","display_name":"King Fahd University of Petroleum and Minerals","ror":"https://ror.org/03yez3163","country_code":"SA","type":"education","lineage":["https://openalex.org/I134085113"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Abdullah Zayat","raw_affiliation_strings":["King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia","institution_ids":["https://openalex.org/I134085113"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073876438","display_name":"Ali H. Muqaibel","orcid":"https://orcid.org/0000-0001-7865-1987"},"institutions":[{"id":"https://openalex.org/I134085113","display_name":"King Fahd University of Petroleum and Minerals","ror":"https://ror.org/03yez3163","country_code":"SA","type":"education","lineage":["https://openalex.org/I134085113"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Ali Muqaibel","raw_affiliation_strings":["King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia","institution_ids":["https://openalex.org/I134085113"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000165797","display_name":"Mudassir Masood","orcid":"https://orcid.org/0000-0003-0462-7874"},"institutions":[{"id":"https://openalex.org/I134085113","display_name":"King Fahd University of Petroleum and Minerals","ror":"https://ror.org/03yez3163","country_code":"SA","type":"education","lineage":["https://openalex.org/I134085113"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mudassir Masood","raw_affiliation_strings":["King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia","institution_ids":["https://openalex.org/I134085113"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066119580","display_name":"Tareq Y. Al-Naffouri","orcid":"https://orcid.org/0000-0001-6955-4720"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Tareq Y. Al-Naffouri","raw_affiliation_strings":["King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science & Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1802","last_page":"1806"},"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":0.9965999722480774,"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/T10860","display_name":"Speech and Audio Processing","score":0.9945999979972839,"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/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.9776699542999268},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.655301570892334},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.6338515281677246},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.6327099800109863},{"id":"https://openalex.org/keywords/line-of-sight","display_name":"Line-of-sight","score":0.4869309663772583},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4849405586719513},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.4761478900909424},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4692171812057495},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45675572752952576},{"id":"https://openalex.org/keywords/positioning-system","display_name":"Positioning system","score":0.44870367646217346},{"id":"https://openalex.org/keywords/sight","display_name":"Sight","score":0.43430760502815247},{"id":"https://openalex.org/keywords/multilateration","display_name":"Multilateration","score":0.4281045198440552},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.34516626596450806},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1795683205127716},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17461556196212769},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15786826610565186},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.13129577040672302}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.9776699542999268},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.655301570892334},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.6338515281677246},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.6327099800109863},{"id":"https://openalex.org/C2780928442","wikidata":"https://www.wikidata.org/wiki/Q6553027","display_name":"Line-of-sight","level":2,"score":0.4869309663772583},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4849405586719513},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4761478900909424},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4692171812057495},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45675572752952576},{"id":"https://openalex.org/C2778603505","wikidata":"https://www.wikidata.org/wiki/Q17141406","display_name":"Positioning system","level":3,"score":0.44870367646217346},{"id":"https://openalex.org/C1517167","wikidata":"https://www.wikidata.org/wiki/Q1134322","display_name":"Sight","level":2,"score":0.43430760502815247},{"id":"https://openalex.org/C104037064","wikidata":"https://www.wikidata.org/wiki/Q1640884","display_name":"Multilateration","level":3,"score":0.4281045198440552},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.34516626596450806},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1795683205127716},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17461556196212769},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15786826610565186},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.13129577040672302},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"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/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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":2,"locations":[{"id":"doi:10.23919/eusipco47968.2020.9287812","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco47968.2020.9287812","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 28th European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/666538","is_oa":false,"landing_page_url":"http://hdl.handle.net/10754/666538","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1673310716","https://openalex.org/W2013503669","https://openalex.org/W2106811730","https://openalex.org/W2124216931","https://openalex.org/W2141882927","https://openalex.org/W2143228105","https://openalex.org/W2160483716","https://openalex.org/W2162718622","https://openalex.org/W2550075934","https://openalex.org/W2793043725","https://openalex.org/W2892417760","https://openalex.org/W2902993599","https://openalex.org/W2964029185","https://openalex.org/W2985641149","https://openalex.org/W6637131181","https://openalex.org/W6754936109"],"related_works":["https://openalex.org/W2391980879","https://openalex.org/W1636339314","https://openalex.org/W2799362944","https://openalex.org/W2903220199","https://openalex.org/W2083509671","https://openalex.org/W1978001812","https://openalex.org/W4307018408","https://openalex.org/W2355647129","https://openalex.org/W4206243596","https://openalex.org/W2035650171"],"abstract_inverted_index":{"The":[0,43,101],"presence":[1,63],"of":[2,35,64,93],"non-line-of-sight":[3],"(NLOS)":[4],"signals":[5,30],"in":[6,38,54,80,91,99,106],"indoor":[7,40,51],"positioning":[8,14,41,52],"systems":[9],"can":[10],"severely":[11],"degrade":[12],"the":[13,27,32,62,74,115],"accuracy.":[15],"This":[16],"paper":[17],"proposes":[18],"a":[19,36,122],"novel":[20],"and":[21,31,71,86],"computationally":[22],"efficient":[23],"algorithm":[24,45,117],"to":[25,84],"determine":[26],"line-of-sight":[28],"(LOS)":[29],"2D":[33,102],"position":[34,103],"target":[37],"an":[39,50],"system.":[42],"proposed":[44,75,116],"was":[46,118],"evaluated":[47,119],"by":[48],"simulating":[49],"system":[53],"8":[55,58],"m":[56,59],"\u00d7":[57],"room":[60],"under":[61],"NLOS":[65],"signals.":[66],"When":[67],"benchmarked":[68],"with":[69],"COFFEE":[70,90],"Triangle-Inequality":[72],"methods,":[73],"method":[76],"shows":[77],"significant":[78],"improvement":[79],"computational":[81],"time":[82],"(151ms":[83],"768ms)":[85],"marginal":[87],"improvements":[88],"over":[89],"terms":[92],"F1-Score":[94],"(at":[95],"least":[96],"5%":[97],"gain":[98],"F1-Score).":[100],"estimates":[104],"are":[105],"less":[107],"than":[108],"4.1":[109],"cm":[110],"mean":[111],"squared":[112],"error.":[113],"Moreover,":[114],"experimentally":[120],"using":[121],"low-cost":[123],"ultrasonic":[124],"hardware.":[125]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
