乐胖代购免代理版

{"id":"https://openalex.org/W4319844987","doi":"https://doi.org/10.1080/17489725.2023.2168078","title":"Infrastructure-free indoor navigation based on smartphone sensors in smart buildings","display_name":"Infrastructure-free indoor navigation based on smartphone sensors in smart buildings","publication_year":2023,"publication_date":"2023-01-22","ids":{"openalex":"https://openalex.org/W4319844987","doi":"https://doi.org/10.1080/17489725.2023.2168078"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1080/17489725.2023.2168078","pdf_url":null,"source":{"id":"https://openalex.org/S96696709","display_name":"Journal of Location Based Services","issn_l":"1748-9725","issn":["1748-9725","1748-9733"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5012801475","display_name":"Alireza Chehreghan","orcid":"https://orcid.org/0000-0001-5320-6051"},"institutions":[{"id":"https://openalex.org/I107853901","display_name":"Sahand University of Technology","ror":"https://ror.org/03wdrmh81","country_code":"IR","type":"education","lineage":["https://openalex.org/I107853901"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Alireza Chehreghan","raw_affiliation_strings":["Faculty of Mining Engineering Sahand University of Technology Tabriz Iran"],"affiliations":[{"raw_affiliation_string":"Faculty of Mining Engineering Sahand University of Technology Tabriz Iran","institution_ids":["https://openalex.org/I107853901"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018082426","display_name":"E. Saadatzadeh","orcid":null},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Esmaiel Saadatzadeh","raw_affiliation_strings":["School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028765261","display_name":"Rahim Ali Abbaspour","orcid":"https://orcid.org/0000-0002-7133-3844"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Rahim Ali Abbaspour","raw_affiliation_strings":["School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5028765261"],"corresponding_institution_ids":["https://openalex.org/I23946033"],"apc_list":null,"apc_paid":null,"fwci":0.26,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.547354,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":67,"max":78},"biblio":{"volume":"17","issue":"2","first_page":"145","last_page":"184"},"is_retracted":false,"is_paratext":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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9943,"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":0.9937,"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/indoor-positioning-system","display_name":"Indoor positioning system","score":0.5396706},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.53267086},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.50708747},{"id":"https://openalex.org/keywords/step-detection","display_name":"Step detection","score":0.42904177}],"concepts":[{"id":"https://openalex.org/C2776937971","wikidata":"https://www.wikidata.org/wiki/Q4384217","display_name":"Heading (navigation)","level":2,"score":0.8272208},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.68215966},{"id":"https://openalex.org/C158488048","wikidata":"https://www.wikidata.org/wiki/Q483400","display_name":"Gyroscope","level":2,"score":0.636793},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.6026043},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.5396706},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.53267086},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.50708747},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4801504},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.46124783},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.45411304},{"id":"https://openalex.org/C153946474","wikidata":"https://www.wikidata.org/wiki/Q333921","display_name":"Magnetometer","level":3,"score":0.43108147},{"id":"https://openalex.org/C293773","wikidata":"https://www.wikidata.org/wiki/Q7608015","display_name":"Step detection","level":3,"score":0.42904177},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.41534668},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.4136911},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40290502},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.39404428},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.2066505},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16993028},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.16932058},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13743594},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.13173771},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.11446312},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11443102},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11260235},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.109354556},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1080/17489725.2023.2168078","pdf_url":null,"source":{"id":"https://openalex.org/S96696709","display_name":"Journal of Location Based Services","issn_l":"1748-9725","issn":["1748-9725","1748-9733"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.68}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":38,"referenced_works":["https://openalex.org/W1956618308","https://openalex.org/W1979561374","https://openalex.org/W1986377638","https://openalex.org/W2019976143","https://openalex.org/W2049610041","https://openalex.org/W2072158021","https://openalex.org/W2075198545","https://openalex.org/W2085225425","https://openalex.org/W2101489562","https://openalex.org/W2108512685","https://openalex.org/W2114182580","https://openalex.org/W2122168467","https://openalex.org/W2146521180","https://openalex.org/W2154016062","https://openalex.org/W2160146756","https://openalex.org/W2214524378","https://openalex.org/W2325362350","https://openalex.org/W2377071437","https://openalex.org/W2466559273","https://openalex.org/W2512713736","https://openalex.org/W2541387049","https://openalex.org/W2552171314","https://openalex.org/W2554734818","https://openalex.org/W2565593064","https://openalex.org/W2578714705","https://openalex.org/W2611498304","https://openalex.org/W2765813717","https://openalex.org/W2769818581","https://openalex.org/W2770190751","https://openalex.org/W2791124749","https://openalex.org/W2805594094","https://openalex.org/W2808833513","https://openalex.org/W2898913648","https://openalex.org/W2908979191","https://openalex.org/W2980462978","https://openalex.org/W2980862664","https://openalex.org/W2984951802","https://openalex.org/W2995195135"],"related_works":["https://openalex.org/W4319309609","https://openalex.org/W4288748597","https://openalex.org/W2982110248","https://openalex.org/W2607412328","https://openalex.org/W258531324","https://openalex.org/W2560573497","https://openalex.org/W2293580120","https://openalex.org/W2052362249","https://openalex.org/W1967682333","https://openalex.org/W1964934429"],"abstract_inverted_index":{"One":[0],"of":[1,5,14,88,93,136,157,170],"the":[2,10,15,20,67,89,102,109,121,125,137,140,155,158,162,166],"main":[3],"elements":[4],"location-based":[6],"services":[7],"(LBS)":[8],"is":[9,33],"awareness":[11],"and":[12,42,53,78,84,105,114,127,142,149,172,176,184],"knowledge":[13],"user's":[16],"location":[17,39],"information":[18],"inside":[19],"smart":[21,48],"buildings.":[22],"In":[23],"this":[24],"study,":[25],"a":[26,37,47,60],"smartphone":[27],"sensor-based":[28],"indoor":[29],"positioning":[30],"system":[31,71],"(IPS)":[32],"proposed":[34,177],"to":[35,65,119,182,186],"track":[36],"person's":[38],"in":[40,46,74,101,108,124,139,165],"Texting":[41,103,126,141,171],"Pocket":[43,110,128,143,173],"carrying":[44,168],"modes":[45,144,169],"building.":[49],"The":[50,81,131],"gravity,":[51],"gyroscope,":[52],"magnetometer":[54],"sensors":[55],"data":[56],"were":[57,96,117,145],"combined":[58],"using":[59],"gradient":[61],"descent":[62],"algorithm":[63],"(GDA)":[64],"estimate":[66,120],"heading":[68,91],"angle.":[69],"This":[70],"was":[72],"implemented":[73],"three":[75,163],"straight,":[76],"complex,":[77],"rectangular":[79],"paths.":[80],"mean":[82,132],"(M)":[83],"standard":[85],"deviation":[86],"(SD)":[87],"absolute":[90],"error":[92,134],"each":[94],"step":[95,122],"obtained":[97,146],"as":[98,147],"(1.68\u00b0,":[99],"1.97\u00b0)":[100],"mode":[104],"(4.39\u00b0,":[106],"5.22\u00b0)":[107],"mode,":[111],"respectively.":[112,130,151,188],"Acceleration":[113],"angle-based":[115],"models":[116],"employed":[118],"length":[123],"modes,":[129],"relative":[133],"(MRE)":[135],"distance":[138],"%4.8":[148],"%4.37,":[150],"Experimental":[152],"results":[153],"indicated":[154],"MRE":[156],"final":[159],"position":[160],"along":[161],"paths":[164],"two":[167],"by":[174],"magnetic":[175],"methods":[178],"reduced":[179],"from":[180],"%3.75":[181],"%2.66":[183],"%7.02":[185],"%4.24,":[187]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W4319844987","counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-01-08T13:01:39.201183","created_date":"2023-02-11"}