{"id":"https://openalex.org/W3026791065","doi":"https://doi.org/10.1109/wpmc48795.2019.9096108","title":"Crowdsourced Radio Environment Mapping by Exploiting Machine Learning","display_name":"Crowdsourced Radio Environment Mapping by Exploiting Machine Learning","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W3026791065","doi":"https://doi.org/10.1109/wpmc48795.2019.9096108","mag":"3026791065"},"language":"en","primary_location":{"id":"doi:10.1109/wpmc48795.2019.9096108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wpmc48795.2019.9096108","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 22nd International Symposium on Wireless Personal Multimedia Communications (WPMC)","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/A5002821348","display_name":"Mina Akimoto","orcid":null},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]},{"id":"https://openalex.org/I6178835","display_name":"Ibaraki University","ror":"https://ror.org/00sjd5653","country_code":"JP","type":"education","lineage":["https://openalex.org/I6178835"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Mina Akimoto","raw_affiliation_strings":["Graduate School of Science and Engineering, Ibaraki University, Hitachi-shi, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Engineering, Ibaraki University, Hitachi-shi, Japan","institution_ids":["https://openalex.org/I6178835","https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100381807","display_name":"Xiaoyan Wang","orcid":"https://orcid.org/0000-0003-1240-4953"},"institutions":[{"id":"https://openalex.org/I6178835","display_name":"Ibaraki University","ror":"https://ror.org/00sjd5653","country_code":"JP","type":"education","lineage":["https://openalex.org/I6178835"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Xiaoyan Wang","raw_affiliation_strings":["Graduate School of Science and Engineering, Ibaraki University, Hitachi-shi, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Engineering, Ibaraki University, Hitachi-shi, Japan","institution_ids":["https://openalex.org/I6178835","https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047899035","display_name":"Masahiro Umehira","orcid":"https://orcid.org/0000-0002-0873-3474"},"institutions":[{"id":"https://openalex.org/I6178835","display_name":"Ibaraki University","ror":"https://ror.org/00sjd5653","country_code":"JP","type":"education","lineage":["https://openalex.org/I6178835"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahiro Umehira","raw_affiliation_strings":["Graduate School of Science and Engineering, Ibaraki University, Hitachi-shi, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Engineering, Ibaraki University, Hitachi-shi, Japan","institution_ids":["https://openalex.org/I6178835","https://openalex.org/I65143321"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037098061","display_name":"Yusheng Ji","orcid":"https://orcid.org/0000-0003-4364-8491"},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yusheng Ji","raw_affiliation_strings":["Information Systems Architecture Research Division, National Institute of Informatics, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Information Systems Architecture Research Division, National Institute of Informatics, Tokyo, Japan","institution_ids":["https://openalex.org/I184597095"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5002821348"],"corresponding_institution_ids":["https://openalex.org/I6178835","https://openalex.org/I65143321"],"apc_list":null,"apc_paid":null,"fwci":0.8346,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.75016128,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9995999932289124,"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":0.9995999932289124,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9965999722480774,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.8118983507156372},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.7804349064826965},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.643722414970398},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.6057637333869934},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5313205122947693},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.519821047782898},{"id":"https://openalex.org/keywords/crowdsourcing","display_name":"Crowdsourcing","score":0.5153250098228455},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.46521711349487305},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.444561243057251},{"id":"https://openalex.org/keywords/radio-propagation","display_name":"Radio propagation","score":0.42557424306869507},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3678329288959503},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13845473527908325},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.0861751139163971}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8118983507156372},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.7804349064826965},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.643722414970398},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.6057637333869934},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5313205122947693},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.519821047782898},{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.5153250098228455},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.46521711349487305},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.444561243057251},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.42557424306869507},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3678329288959503},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13845473527908325},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.0861751139163971},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","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/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wpmc48795.2019.9096108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wpmc48795.2019.9096108","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 22nd International Symposium on Wireless Personal Multimedia Communications (WPMC)","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":9,"referenced_works":["https://openalex.org/W1555409662","https://openalex.org/W1968107879","https://openalex.org/W2017806736","https://openalex.org/W2035620988","https://openalex.org/W2686075717","https://openalex.org/W2763396707","https://openalex.org/W2783067660","https://openalex.org/W2792711077","https://openalex.org/W6659301605"],"related_works":["https://openalex.org/W2951298608","https://openalex.org/W4235293059","https://openalex.org/W1560943167","https://openalex.org/W2484091166","https://openalex.org/W2129444086","https://openalex.org/W2997512100","https://openalex.org/W4327659166","https://openalex.org/W2044507188","https://openalex.org/W2924519723","https://openalex.org/W2539538397"],"abstract_inverted_index":{"Accurate":[0],"and":[1,26],"cost-efficient":[2],"radio":[3,78],"environment":[4],"mapping":[5],"(REM)":[6],"is":[7,48,90],"of":[8,18,92],"great":[9],"importance":[10],"to":[11,53,73,99],"realize":[12],"dynamic":[13],"spectrum":[14,36],"sharing.":[15],"Two":[16],"kinds":[17],"existing":[19,101],"approaches,":[20],"i.e.,":[21],"propagation":[22],"model":[23],"based":[24,29],"approach":[25],"sensor":[27],"monitoring":[28],"approach,":[30],"are":[31],"suffering":[32],"from":[33],"either":[34],"inaccurate":[35],"availability":[37],"or":[38],"high":[39],"deployment":[40],"cost.":[41],"To":[42],"solve":[43],"these":[44],"problems,":[45],"crowdsourced":[46,65,75],"REM":[47,66],"proposed":[49,88],"which":[50,68],"recruits":[51],"users":[52],"fulfill":[54],"the":[55,87,94,100],"sensing":[56],"tasks.":[57],"In":[58],"this":[59],"work,":[60],"we":[61],"propose":[62],"a":[63],"novel":[64],"method":[67,89],"exploits":[69],"machine":[70],"learning":[71],"techniques":[72],"choose":[74],"data":[76],"for":[77],"field":[79],"intensity":[80],"interpolation.":[81],"The":[82],"evaluation":[83],"results":[84],"demonstrate":[85],"that":[86],"capable":[91],"reducing":[93],"estimation":[95],"error":[96],"substantially":[97],"compared":[98],"method.":[102]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}