{"id":"https://openalex.org/W2909890644","doi":"https://doi.org/10.1109/tmc.2019.2893278","title":"RF Fingerprints Prediction for Cellular Network Positioning: A Subspace Identification Approach","display_name":"RF Fingerprints Prediction for Cellular Network Positioning: A Subspace Identification Approach","publication_year":2019,"publication_date":"2019-01-16","ids":{"openalex":"https://openalex.org/W2909890644","doi":"https://doi.org/10.1109/tmc.2019.2893278","mag":"2909890644"},"language":"en","primary_location":{"id":"doi:10.1109/tmc.2019.2893278","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2019.2893278","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Mobile Computing","raw_type":"journal-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/A5018442100","display_name":"Xiaohua Tian","orcid":"https://orcid.org/0000-0003-0716-3323"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaohua Tian","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-0716-3323","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064784594","display_name":"Xinyu Wu","orcid":"https://orcid.org/0000-0003-1310-1452"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyu Wu","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100348702","display_name":"Hao Li","orcid":"https://orcid.org/0000-0003-4237-1451"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Li","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-4237-1451","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034483183","display_name":"Xinbing Wang","orcid":"https://orcid.org/0000-0002-0357-8356"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinbing Wang","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0357-8356","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5018442100"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":2.3005,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.8840542,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"19","issue":"2","first_page":"450","last_page":"465"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9994000196456909,"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"}},{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9990000128746033,"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/computer-science","display_name":"Computer science","score":0.8435519337654114},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.7076316475868225},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.6499497294425964},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.5490548610687256},{"id":"https://openalex.org/keywords/stiefel-manifold","display_name":"Stiefel manifold","score":0.5167531371116638},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5045880079269409},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.4769398272037506},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.47002077102661133},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3915938436985016},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.375936895608902},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.37456589937210083},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14198637008666992}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8435519337654114},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.7076316475868225},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.6499497294425964},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5490548610687256},{"id":"https://openalex.org/C612670","wikidata":"https://www.wikidata.org/wiki/Q7616373","display_name":"Stiefel manifold","level":2,"score":0.5167531371116638},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5045880079269409},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4769398272037506},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.47002077102661133},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3915938436985016},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.375936895608902},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37456589937210083},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14198637008666992},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"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/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmc.2019.2893278","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2019.2893278","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Mobile Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.8299999833106995,"display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G1216169309","display_name":"\u9762\u5411\u8702\u7a9d\u7f51\u7edc\u7684\u5927\u89c4\u6a21\u65e0\u7ebf\u6307\u7eb9\u5b9a\u4f4d\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61872233","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1544210699","display_name":null,"funder_award_id":"61325012","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1903443718","display_name":"\u57fa\u4e8e\u7fa4\u667a\u611f\u77e5\u7684Wi-Fi\u6307\u7eb9\u5ba4\u5185\u5b9a\u4f4d\u7cbe\u5ea6\u4e0e\u53ef\u9760\u6027\u7814\u7a76","funder_award_id":"61572319","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2622878473","display_name":null,"funder_award_id":"61829201","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4555589949","display_name":null,"funder_award_id":"61428205","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6041679325","display_name":null,"funder_award_id":"61532012","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7556367105","display_name":null,"funder_award_id":"2017YFB1003000","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W766589415","https://openalex.org/W1537451712","https://openalex.org/W1736339626","https://openalex.org/W1773149500","https://openalex.org/W1944600025","https://openalex.org/W1979182502","https://openalex.org/W1987142714","https://openalex.org/W1992426838","https://openalex.org/W2027729696","https://openalex.org/W2043542548","https://openalex.org/W2045512849","https://openalex.org/W2056805272","https://openalex.org/W2058336432","https://openalex.org/W2100131440","https://openalex.org/W2103972604","https://openalex.org/W2106005123","https://openalex.org/W2109357213","https://openalex.org/W2114365263","https://openalex.org/W2136912397","https://openalex.org/W2152813831","https://openalex.org/W2167696602","https://openalex.org/W2227402067","https://openalex.org/W2314731887","https://openalex.org/W2474482491","https://openalex.org/W2762523185","https://openalex.org/W2962834831","https://openalex.org/W2963684688","https://openalex.org/W2963846952","https://openalex.org/W3121448773","https://openalex.org/W6622480573","https://openalex.org/W6638507947","https://openalex.org/W6680391196","https://openalex.org/W6929385289"],"related_works":["https://openalex.org/W2126146080","https://openalex.org/W2897990660","https://openalex.org/W3206955995","https://openalex.org/W3025932934","https://openalex.org/W1980381208","https://openalex.org/W2569171899","https://openalex.org/W3162853669","https://openalex.org/W2062388999","https://openalex.org/W3162200841","https://openalex.org/W2364594919"],"abstract_inverted_index":{"Cellular":[0],"network":[1],"positioning":[2,56],"is":[3,58,69],"a":[4,28,120],"mandatory":[5],"requirement":[6,189],"for":[7,87,124],"localizing":[8],"emergency":[9],"callers,":[10],"such":[11],"as":[12,37],"E911":[13],"in":[14,45,75,137,154],"North":[15],"America.":[16],"Although":[17],"smartphones":[18],"are":[19,26,134],"normally":[20],"equipped":[21],"with":[22,33,113,170,183],"GPS":[23,41],"modules,":[24],"there":[25],"still":[27],"large":[29],"number":[30],"of":[31,99,150,190],"users":[32],"cell":[34],"phones":[35],"only":[36],"basic":[38],"devices,":[39],"and":[40,107,164,181],"could":[42],"be":[43],"ineffective":[44],"urban":[46],"canyon":[47],"environments.":[48],"To":[49],"this":[50],"end,":[51],"the":[52,66,83,94,97,101,109,125,138,142,155,177,188],"RF":[53,73,89],"fingerprints":[54,74,90,128,133,152,186],"based":[55],"mechanism":[57,123],"incorporated":[59],"into":[60,96],"LTE":[61],"architecture":[62],"by":[63,167],"3GPP,":[64],"where":[65,131],"major":[67],"challenge":[68],"to":[70,81],"collect":[71],"geo-tagged":[72],"vast":[76,139],"areas.":[77],"This":[78],"paper":[79],"proposes":[80],"utilize":[82],"subspace":[84,103],"identification":[85],"approach":[86],"large-scale":[88,127,151],"prediction.":[91],"We":[92],"formulate":[93],"problem":[95,98],"finding":[100],"optimal":[102],"over":[104],"Stiefel":[105],"manifold,":[106],"redesign":[108],"Stiefel-manifold":[110],"optimization":[111],"method":[112,149],"fast":[114],"convergence":[115],"rate.":[116],"Moreover,":[117],"we":[118,159],"propose":[119],"sliding":[121],"window":[122],"practical":[126],"prediction":[129,153],"scenario,":[130],"recorded":[132],"unevenly":[135],"distributed":[136],"area.":[140],"Combining":[141],"two":[143],"proposed":[144,165],"mechanisms":[145,166],"enables":[146],"an":[147],"efficient":[148],"city":[156],"level.":[157],"Further,":[158],"validate":[160],"our":[161,184],"theoretical":[162],"analysis":[163],"conducting":[168],"experiments":[169],"real":[171],"mobile":[172],"data,":[173],"which":[174],"shows":[175],"that":[176],"resulted":[178],"localization":[179],"accuracy":[180],"reliability":[182],"predicted":[185],"exceed":[187],"E911.":[191]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}