{"id":"https://openalex.org/W2795076655","doi":"https://doi.org/10.1177/1550147718767376","title":"An improved geometric algorithm for indoor localization","display_name":"An improved geometric algorithm for indoor localization","publication_year":2018,"publication_date":"2018-03-01","ids":{"openalex":"https://openalex.org/W2795076655","doi":"https://doi.org/10.1177/1550147718767376","mag":"2795076655"},"language":"en","primary_location":{"id":"doi:10.1177/1550147718767376","is_oa":true,"landing_page_url":"https://doi.org/10.1177/1550147718767376","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147718767376","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147718767376","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052790027","display_name":"Junhua Yang","orcid":"https://orcid.org/0000-0001-8546-9729"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Junhua Yang","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi\u2019an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi\u2019an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi'an, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100339569","display_name":"Yong Li","orcid":"https://orcid.org/0000-0002-8290-3910"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Li","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi\u2019an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi\u2019an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi'an, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019907526","display_name":"Wei Cheng","orcid":"https://orcid.org/0000-0002-0874-9927"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Cheng","raw_affiliation_strings":["School of Electronics and Information, Northwestern Polytechnical University, Xi\u2019an, China","School of Electronics and Information, Northwestern Polytechnical University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi\u2019an, China","institution_ids":["https://openalex.org/I17145004"]},{"raw_affiliation_string":"School of Electronics and Information, Northwestern Polytechnical University, Xi'an, China","institution_ids":["https://openalex.org/I17145004"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5052790027"],"corresponding_institution_ids":["https://openalex.org/I17145004"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":{"value":2200,"currency":"USD","value_usd":2200},"fwci":0.7725,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.72967879,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"14","issue":"3","first_page":"155014771876737","last_page":"155014771876737"},"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9864000082015991,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9858999848365784,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/trilateration","display_name":"Trilateration","score":0.9942672848701477},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8161624073982239},{"id":"https://openalex.org/keywords/fingerprint","display_name":"Fingerprint (computing)","score":0.6520373821258545},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5728524923324585},{"id":"https://openalex.org/keywords/signal-strength","display_name":"Signal strength","score":0.5268130302429199},{"id":"https://openalex.org/keywords/received-signal-strength-indication","display_name":"Received signal strength indication","score":0.4721653163433075},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.4470932185649872},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.42724573612213135},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4238562285900116},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.34530186653137207},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12974819540977478}],"concepts":[{"id":"https://openalex.org/C20832178","wikidata":"https://www.wikidata.org/wiki/Q1146298","display_name":"Trilateration","level":3,"score":0.9942672848701477},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8161624073982239},{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.6520373821258545},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5728524923324585},{"id":"https://openalex.org/C176808163","wikidata":"https://www.wikidata.org/wiki/Q17105794","display_name":"Signal strength","level":3,"score":0.5268130302429199},{"id":"https://openalex.org/C2778913798","wikidata":"https://www.wikidata.org/wiki/Q1195672","display_name":"Received signal strength indication","level":3,"score":0.4721653163433075},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.4470932185649872},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.42724573612213135},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4238562285900116},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.34530186653137207},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12974819540977478},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C135981907","wikidata":"https://www.wikidata.org/wiki/Q188056","display_name":"Triangulation","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1177/1550147718767376","is_oa":true,"landing_page_url":"https://doi.org/10.1177/1550147718767376","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147718767376","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:sae:intdis:v:14:y:2018:i:3:p:1550147718767376","is_oa":false,"landing_page_url":"https://journals.sagepub.com/doi/10.1177/1550147718767376","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:ce374b1648a643d0b98f8c57a9cda93d","is_oa":true,"landing_page_url":"https://doaj.org/article/ce374b1648a643d0b98f8c57a9cda93d","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Distributed Sensor Networks, Vol 14 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1177/1550147718767376","is_oa":true,"landing_page_url":"https://doi.org/10.1177/1550147718767376","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147718767376","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.7300000190734863,"id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G607816302","display_name":null,"funder_award_id":"61401360","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"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2795076655.pdf","grobid_xml":"https://content.openalex.org/works/W2795076655.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1632977","https://openalex.org/W1588137027","https://openalex.org/W1746665946","https://openalex.org/W1917840669","https://openalex.org/W1966679468","https://openalex.org/W1968099658","https://openalex.org/W2009133681","https://openalex.org/W2011224697","https://openalex.org/W2028082528","https://openalex.org/W2041439030","https://openalex.org/W2042405347","https://openalex.org/W2088131859","https://openalex.org/W2088202339","https://openalex.org/W2134041135","https://openalex.org/W2143228105","https://openalex.org/W2212541439","https://openalex.org/W2265608995","https://openalex.org/W2294656113","https://openalex.org/W2326193784","https://openalex.org/W2557998141"],"related_works":["https://openalex.org/W4214904000","https://openalex.org/W4282585228","https://openalex.org/W2181368252","https://openalex.org/W1936129579","https://openalex.org/W3123871160","https://openalex.org/W4224143646","https://openalex.org/W2879970644","https://openalex.org/W4382204355","https://openalex.org/W2102758665","https://openalex.org/W1561878349"],"abstract_inverted_index":{"Indoor":[0],"localization":[1,65,93,123,129,189],"system":[2],"using":[3,57,161],"receive":[4,153],"signal":[5,154],"strength":[6,155],"indicator":[7],"from":[8],"wireless":[9],"access":[10],"point":[11],"has":[12],"attracted":[13],"lots":[14],"of":[15,22,52,104,128],"attention":[16],"recently.":[17],"Geometric":[18],"method":[19,94,120,132,186],"is":[20,46],"one":[21],"the":[23,58,62,105,116,122,181,188],"most":[24],"widely":[25],"used":[26],"spatial":[27],"graph":[28],"algorithms":[29],"to":[30,48,75,101,110,196],"locate":[31],"object":[32],"in":[33,99,137,173],"an":[34],"indoor":[35,140,157],"environment,":[36,141],"but":[37,73],"it":[38,45,148],"does":[39],"not":[40],"achieve":[41,70],"good":[42],"results":[43,172],"when":[44,56],"applied":[47],"a":[49,89,138,167,174],"limited":[50],"amount":[51],"valid":[53],"data,":[54],"especially":[55],"trilateration":[59,150],"method.":[60],"On":[61],"other":[63],"hand,":[64],"based":[66,95],"on":[67,96],"fingerprint":[68,81],"can":[69],"high":[71],"accuracy":[72,124],"need":[74],"pay":[76],"heavy":[77],"manual":[78],"labor":[79],"for":[80],"database":[82],"establishment.":[83],"In":[84],"this":[85],"article,":[86],"we":[87],"propose":[88],"bilateral":[90,117,183],"greed":[91,118,184],"iteration":[92,119,185],"greedy":[97],"algorithm":[98],"order":[100],"use":[102],"all":[103],"effective":[106],"anchor":[107],"points.":[108],"Comparing":[109],"trilateration,":[111,197],"fingerprint,":[112,198],"and":[113,125,145,151,193,199],"maximum-likelihood":[114,152,200],"method,":[115,201],"improves":[121],"reduces":[126,187],"complexity":[127],"process.":[130],"The":[131],"proposed,":[133],"coupled":[134],"with":[135],"measurements":[136],"real":[139],"demonstrates":[142],"its":[143],"feasibility":[144],"suitability,":[146],"since":[147],"outperforms":[149],"indicator\u2013based":[156],"location":[158],"methods":[159],"without":[160],"any":[162],"radio":[163],"map":[164],"information":[165],"nor":[166],"complicated":[168],"algorithm.":[169],"Extensive":[170],"experiment":[171],"Wi-Fi":[175],"coverage":[176],"office":[177],"environment":[178],"indicate":[179],"that":[180],"proposed":[182],"error,":[190],"63.55%,":[191],"9.93%,":[192],"47.85%,":[194],"compared":[195],"respectively.":[202]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}