{"id":"https://openalex.org/W7128447801","doi":"https://doi.org/10.1109/tvt.2026.3662565","title":"Integrated Cellular and LEO-Based Positioning and Synchronization Under User Mobility","display_name":"Integrated Cellular and LEO-Based Positioning and Synchronization Under User Mobility","publication_year":2026,"publication_date":"2026-02-09","ids":{"openalex":"https://openalex.org/W7128447801","doi":"https://doi.org/10.1109/tvt.2026.3662565"},"language":null,"primary_location":{"id":"doi:10.1109/tvt.2026.3662565","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tvt.2026.3662565","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/tvt.2026.3662565","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013771833","display_name":"Yasaman Ettefagh","orcid":"https://orcid.org/0009-0009-1427-1550"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Yasaman Ettefagh","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0009-0009-1427-1550","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080134346","display_name":"Sharief Saleh","orcid":"https://orcid.org/0000-0003-1365-417X"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Sharief Saleh","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0003-1365-417X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052704820","display_name":"Musa Furkan Keskin","orcid":"https://orcid.org/0000-0002-7718-8377"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Musa Furkan Keskin","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0002-7718-8377","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100725055","display_name":"Hui Chen","orcid":"https://orcid.org/0000-0002-9345-9966"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Hui Chen","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0002-9345-9966","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125433362","display_name":"Gonzalo Seco-Granados","orcid":null},"institutions":[{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Gonzalo Seco-Granados","raw_affiliation_strings":["Department of Telecommunications and Systems Engineering, Universitat Autonòma de Barcelona, CERES, IEEC, Bellaterra, Spain"],"raw_orcid":"https://orcid.org/0000-0003-2494-6872","affiliations":[{"raw_affiliation_string":"Department of Telecommunications and Systems Engineering, Universitat Autonòma de Barcelona, CERES, IEEC, Bellaterra, Spain","institution_ids":["https://openalex.org/I123044942"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033860704","display_name":"Henk Wymeersch","orcid":"https://orcid.org/0000-0002-1298-6159"},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Henk Wymeersch","raw_affiliation_strings":["Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden"],"raw_orcid":"https://orcid.org/0000-0002-1298-6159","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":14.8942,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.969462,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"75","issue":"7","first_page":"13877","last_page":"13892"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.8884000182151794,"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/T12042","display_name":"Satellite Communication Systems","score":0.8884000182151794,"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/T12079","display_name":"IoT Networks and Protocols","score":0.011800000444054604,"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/T12216","display_name":"Network Time Synchronization Technologies","score":0.008799999952316284,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/synchronization","display_name":"Synchronization (alternating current)","score":0.6633999943733215},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.595300018787384},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5838000178337097},{"id":"https://openalex.org/keywords/mobility-model","display_name":"Mobility model","score":0.5142999887466431},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.48010000586509705},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.45509999990463257},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.43810001015663147},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4320000112056732},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.41269999742507935}],"concepts":[{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6633999943733215},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6359999775886536},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.595300018787384},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5838000178337097},{"id":"https://openalex.org/C191485582","wikidata":"https://www.wikidata.org/wiki/Q6887309","display_name":"Mobility model","level":2,"score":0.5142999887466431},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.48010000586509705},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4772999882698059},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.45509999990463257},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.43810001015663147},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4320000112056732},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.41269999742507935},{"id":"https://openalex.org/C129891060","wikidata":"https://www.wikidata.org/wiki/Q1513059","display_name":"Clock synchronization","level":4,"score":0.39640000462532043},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3666999936103821},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.34950000047683716},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.3467000126838684},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3416000008583069},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.328900009393692},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.3142000138759613},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.3061999976634979},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2989000082015991},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.2924000024795532},{"id":"https://openalex.org/C2778002699","wikidata":"https://www.wikidata.org/wiki/Q876057","display_name":"Multi-user","level":2,"score":0.29159998893737793},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.2904999852180481},{"id":"https://openalex.org/C3018325918","wikidata":"https://www.wikidata.org/wiki/Q663611","display_name":"Low earth orbit","level":3,"score":0.2651999890804291},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C2781307350","wikidata":"https://www.wikidata.org/wiki/Q6887221","display_name":"Mobile radio","level":2,"score":0.25850000977516174},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.25429999828338623},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25110000371932983}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2026.3662565","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tvt.2026.3662565","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/tvt.2026.3662565","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tvt.2026.3662565","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,37,96,99,112],"localization,":[4],"synchronization,":[5],"and":[6,18,47,61,74,89,116,125,134],"speed":[7],"estimation":[8],"of":[9,69,98],"a":[10,32,53,67],"mobile":[11],"user":[12,138],"equipment":[13],"(UE)":[14],"leveraging":[15],"integrated":[16],"terrestrial":[17],"non-terrestrial":[19],"networks":[20],"(NTNs),":[21],"in":[22,35],"particular":[23],"low":[24],"Earth":[25],"orbit":[26],"(LEO)":[27],"satellites.":[28],"We":[29,51],"focus":[30],"on":[31,65],"minimal":[33],"setup":[34],"which":[36,66],"UE":[38],"received":[39],"signal":[40,55],"from":[41],"only":[42],"one":[43,48],"base":[44],"station":[45],"(BS)":[46],"LEO":[49],"satellite.":[50],"derive":[52],"generic":[54],"model":[56,85],"accounting":[57],"for":[58,83,121,131],"mobility,":[59],"clock":[60],"frequency":[62],"offsets,":[63],"based":[64],"hierarchy":[68],"simplified":[70],"models":[71],"are":[72,81],"proposed":[73,100],"organized":[75],"by":[76],"computational":[77],"complexity.":[78],"Estimation":[79],"algorithms":[80],"developed":[82],"each":[84],"to":[86],"facilitate":[87],"efficient":[88],"accurate":[90],"parameter":[91],"recovery.":[92],"Rigorous":[93],"simulations":[94],"validate":[95],"effectiveness":[97],"models,":[101],"demonstrating":[102],"their":[103],"suitability":[104],"across":[105],"diverse":[106],"scenarios.":[107],"The":[108],"findings":[109],"highlight":[110],"how":[111],"trade-off":[113],"between":[114],"complexity":[115],"performance":[117],"can":[118],"be":[119],"optimized":[120],"varying":[122],"deployment":[123],"environments":[124],"application":[126],"requirements,":[127],"offering":[128],"valuable":[129],"insights":[130],"6G":[132],"positioning":[133],"synchronization":[135],"systems":[136],"under":[137],"mobility.":[139]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-21T05:50:15.549392","created_date":"2026-02-10T00:00:00"}