{"id":"https://openalex.org/W2170452728","doi":"https://doi.org/10.1109/afrcon.2015.7331972","title":"Road traffic state estimation framework based on hybrid assisted global positioning system and uplink time difference of arrival data collection methods","display_name":"Road traffic state estimation framework based on hybrid assisted global positioning system and uplink time difference of arrival data collection methods","publication_year":2015,"publication_date":"2015-09-01","ids":{"openalex":"https://openalex.org/W2170452728","doi":"https://doi.org/10.1109/afrcon.2015.7331972","mag":"2170452728"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2015.7331972","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2015.7331972","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AFRICON 2015","raw_type":"proceedings-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/A5008164879","display_name":"Ayalew Belay Habtie","orcid":null},"institutions":[{"id":"https://openalex.org/I4537092","display_name":"Addis Ababa University","ror":"https://ror.org/038b8e254","country_code":"ET","type":"education","lineage":["https://openalex.org/I4537092"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Ayalew Belay Habtie","raw_affiliation_strings":["Department of Computer Science, Addis Ababa University, Addis Ababa, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Addis Ababa University, Addis Ababa, Ethiopia","institution_ids":["https://openalex.org/I4537092"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087542455","display_name":"Ajith Abraham","orcid":"https://orcid.org/0000-0002-0169-6738"},"institutions":[{"id":"https://openalex.org/I4210107658","display_name":"Machine Intelligence Research Labs","ror":"https://ror.org/013kgb629","country_code":"US","type":"facility","lineage":["https://openalex.org/I4210107658"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ajith Abraham","raw_affiliation_strings":["Machine Intelligence Research Labs (MIR Labs), WA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Machine Intelligence Research Labs (MIR Labs), WA, USA","institution_ids":["https://openalex.org/I4210107658"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068362877","display_name":"Dida Midekso","orcid":null},"institutions":[{"id":"https://openalex.org/I4537092","display_name":"Addis Ababa University","ror":"https://ror.org/038b8e254","country_code":"ET","type":"education","lineage":["https://openalex.org/I4537092"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Dida Midekso","raw_affiliation_strings":["Department of Computer Science, Addis Ababa University, Addis Ababa, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Addis Ababa University, Addis Ababa, Ethiopia","institution_ids":["https://openalex.org/I4537092"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9359,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.86778024,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"1","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/T12406","display_name":"IoT and GPS-based Vehicle Safety Systems","score":0.9869999885559082,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9804999828338623,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/floating-car-data","display_name":"Floating car data","score":0.6671504378318787},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6160814762115479},{"id":"https://openalex.org/keywords/traffic-flow","display_name":"Traffic flow (computer networking)","score":0.6142669916152954},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.6109609007835388},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5797663927078247},{"id":"https://openalex.org/keywords/vehicle-information-and-communication-system","display_name":"Vehicle Information and Communication System","score":0.5746588706970215},{"id":"https://openalex.org/keywords/data-collection","display_name":"Data collection","score":0.5456318855285645},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.48881885409355164},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.48222315311431885},{"id":"https://openalex.org/keywords/intelligent-transportation-system","display_name":"Intelligent transportation system","score":0.42323800921440125},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.3554840087890625},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2811790704727173},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23858293890953064},{"id":"https://openalex.org/keywords/road-traffic","display_name":"Road traffic","score":0.2353912889957428},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19467487931251526},{"id":"https://openalex.org/keywords/traffic-congestion","display_name":"Traffic congestion","score":0.16034391522407532}],"concepts":[{"id":"https://openalex.org/C64093975","wikidata":"https://www.wikidata.org/wiki/Q356677","display_name":"Floating car data","level":3,"score":0.6671504378318787},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6160814762115479},{"id":"https://openalex.org/C207512268","wikidata":"https://www.wikidata.org/wiki/Q3074551","display_name":"Traffic flow (computer networking)","level":2,"score":0.6142669916152954},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.6109609007835388},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5797663927078247},{"id":"https://openalex.org/C146799927","wikidata":"https://www.wikidata.org/wiki/Q4420920","display_name":"Vehicle Information and Communication System","level":3,"score":0.5746588706970215},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.5456318855285645},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.48881885409355164},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.48222315311431885},{"id":"https://openalex.org/C47796450","wikidata":"https://www.wikidata.org/wiki/Q508378","display_name":"Intelligent transportation system","level":2,"score":0.42323800921440125},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.3554840087890625},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2811790704727173},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23858293890953064},{"id":"https://openalex.org/C2985695025","wikidata":"https://www.wikidata.org/wiki/Q4323994","display_name":"Road traffic","level":2,"score":0.2353912889957428},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19467487931251526},{"id":"https://openalex.org/C2779888511","wikidata":"https://www.wikidata.org/wiki/Q244156","display_name":"Traffic congestion","level":2,"score":0.16034391522407532},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2015.7331972","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2015.7331972","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AFRICON 2015","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1987197474","https://openalex.org/W1989608371","https://openalex.org/W2089894817","https://openalex.org/W2100378013","https://openalex.org/W2188150693","https://openalex.org/W2364981588","https://openalex.org/W6686938900","https://openalex.org/W6707652180"],"related_works":["https://openalex.org/W2375611392","https://openalex.org/W630158736","https://openalex.org/W2316914457","https://openalex.org/W2348458639","https://openalex.org/W4386306972","https://openalex.org/W4220875044","https://openalex.org/W2047739511","https://openalex.org/W4389247673","https://openalex.org/W4320879016","https://openalex.org/W1982640081"],"abstract_inverted_index":{"With":[0],"the":[1,7,38,51,87,117],"rapid":[2],"increase":[3],"of":[4,119,177,191],"vehicles":[5],"on":[6,31,116,122,134],"road,":[8],"road":[9,33,42,46,57,77,94,123,151,182],"traffic":[10,34,43,47,58,67,95,124,152,166,178],"flow":[11,44,68,179],"information":[12,65,180],"is":[13,103,201],"indispensible":[14],"to":[15,63,92,105,109,164,181],"our":[16],"daily":[17],"life.":[18],"Different":[19],"Intelligent":[20],"Transport":[21,27],"System":[22,28,141],"applications":[23],"like":[24],"advanced":[25],"Traffic":[26],"are":[29,69,74],"dependent":[30],"proper":[32],"state":[35,125,171],"information.":[36],"Among":[37],"different":[39],"activities":[40],"in":[41,76],"estimation,":[45,126],"data":[48,59,96,153,167],"collection":[49,60,154],"plays":[50],"great":[52],"role.":[53],"The":[54,156],"current":[55],"state-of-the-practice":[56],"tools":[61],"used":[62],"gather":[64,93],"about":[66],"fixed":[70],"sensor":[71],"technologies":[72,163],"which":[73],"limited":[75],"coverage":[78,99],"and":[79,83,101,111,143,173,175],"affected":[80],"by":[81],"maintenance":[82],"deployment":[84],"costs.":[85],"Using":[86],"existing":[88],"cellular":[89],"network":[90],"infrastructure":[91],"offers":[97],"large":[98],"capability":[100],"it":[102],"faster":[104],"set":[106],"up,":[107],"easier":[108],"install":[110],"needs":[112],"less":[113],"maintenance.":[114],"Based":[115],"analysis":[118,186],"relevant":[120],"studies":[121],"this":[127],"paper":[128],"proposes":[129],"a":[130,188],"universal":[131],"framework":[132,157],"based":[133],"experimentally":[135],"evaluated":[136],"hybrid":[137],"Assisted":[138],"Global":[139],"Positioning":[140],"(A-GPS)":[142],"Uplink":[144],"Time":[145],"Difference":[146],"Of":[147],"Arrival":[148],"(U-TDOA)":[149],"real-time":[150],"system.":[155],"integrates":[158],"several":[159],"models":[160],"with":[161],"appropriate":[162],"realize":[165],"collection,":[168],"processing,":[169],"analysis,":[170],"estimation":[172],"optimization":[174],"presentation":[176],"users.":[183],"In":[184],"Data":[185],"component":[187],"new":[189],"approach":[190],"taking":[192],"probe":[193],"sample,":[194],"i.e.":[195],"dynamic":[196],"\u201cPinpoint-Temporal\u201d":[197],"sampling":[198],"frequency":[199],"method":[200],"proposed.":[202]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}