{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:20:08Z","timestamp":1760059208824,"version":"build-2065373602"},"reference-count":29,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2025,5,31]],"date-time":"2025-05-31T00:00:00Z","timestamp":1748649600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n","award":["CVU-1242157","CVU-829790","SIP\u201320250150"],"award-info":[{"award-number":["CVU-1242157","CVU-829790","SIP\u201320250150"]}]},{"name":"Instituto Polit\u00e9cnico Nacional","award":["CVU-1242157","CVU-829790","SIP\u201320250150"],"award-info":[{"award-number":["CVU-1242157","CVU-829790","SIP\u201320250150"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Future Internet"],"abstract":"<jats:p>Device identification based on radio frequency fingerprinting is widely used to improve the security of Internet of Things systems. However, noise and acquisition inconsistencies in raw radio frequency signals can affect the effectiveness of classification, identification and authentication algorithms used to distinguish Bluetooth devices. This study investigates how the RF signal preprocessing techniques affect the performance of a support vector machine classifier based on radio frequency fingerprinting. Four options derived from an RF signal preprocessing technique are evaluated, each of which is applied to the raw radio frequency signals in an attempt to improve the consistency between signals emitted by the same Bluetooth device. Experiments conducted on raw Bluetooth signals from twentyfour smartphone radios from two public databases of RF signals show that selecting an appropriate RF signal preprocessing approach can significantly improve the effectiveness of a support vector machine classifier-based algorithm used to discriminate Bluetooth devices.<\/jats:p>","DOI":"10.3390\/fi17060250","type":"journal-article","created":{"date-parts":[[2025,6,2]],"date-time":"2025-06-02T08:34:13Z","timestamp":1748853253000},"page":"250","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Signal Preprocessing for Enhanced IoT Device Identification Using Support Vector Machine"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3176-7100","authenticated-orcid":false,"given":"Rene Francisco","family":"Santana-Cruz","sequence":"first","affiliation":[{"name":"Instituto Polit\u00e9cnico Nacional, Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Unidad Quer\u00e9taro, Quer\u00e9taro 76090, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6590-441X","authenticated-orcid":false,"given":"Martin","family":"Moreno","sequence":"additional","affiliation":[{"name":"Universidad Tecnol\u00f3gica de San Juan del R\u00edo, San Juan del R\u00edo, Quer\u00e9taro 76800, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9402-0509","authenticated-orcid":false,"given":"Daniel","family":"Aguilar-Torres","sequence":"additional","affiliation":[{"name":"Instituto Polit\u00e9cnico Nacional, Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Unidad Quer\u00e9taro, Quer\u00e9taro 76090, Mexico"},{"name":"Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n, Mexico City 03940, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0071-1158","authenticated-orcid":false,"given":"Rom\u00e1n Arturo","family":"Valverde-Dom\u00ednguez","sequence":"additional","affiliation":[{"name":"Instituto Polit\u00e9cnico Nacional, Unidad Profesional Interdisciplinaria de Energ\u00eda y Movilidad, Mexico City 07738, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6210-4097","authenticated-orcid":false,"given":"Rub\u00e9n","family":"V\u00e1zquez-Medina","sequence":"additional","affiliation":[{"name":"Instituto Polit\u00e9cnico Nacional, Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Unidad Quer\u00e9taro, Quer\u00e9taro 76090, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,5,31]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"e27275","DOI":"10.2196\/27275","article-title":"Impact of Big Data Analytics on People\u2019s Health: Overview of Systematic Reviews and Recommendations for Future Studies","volume":"23","author":"Marcolino","year":"2021","journal-title":"J. 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