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Exploiting the sensitivity of dual-frequency smartphones and GNSS geodetic receivers for jammer localization [Elektronski vir]Pavlovčič Prešeren, Polona, geodezija ; Dimc, Franc ; Bažec, Matej, 1976-Pametni telefoni so naprave, ki prevladujejo na uporabi globalnega navigacijskega satelitskega sistema (GNSS), ki lahko zbirajo neobdelane podatke. Ponujajo nama dragocene možnosti za raziskave na ... področju namernega motenja, ki je postalo resna grožnja za GNSS. Pametni telefoni imajo potencial za lociranje motenj, vendar je treba najprej raziskati njihovo robustnost in območje občutljivosti. V tej študiji smo raziskali odziv pametnih telefonov z dvofrekvenčno in večkonstelacijsko sprejemno zmogljivostjo, in sicer Xiaomi Mi8, Xiaomi 11T, Samsung Galaxy S20 in Huawei P40, na različne eno- in večfrekvenčne motilce. Dvodnevni poskusi motenja so bili izvedeni na oddaljenem območju z minimalnim vplivom na uporabnike z uporabo pametnih telefonov in dveh geodetskih sprejemnikov Leica GS18 in dveh Leica GS15, ki so bili statično postavljeni ob cesti v vrsti približno 10 m narazen. Vozilo z nameščenimi motilci jih je s konstantno hitrostjo večkrat prevozilo. V enem od scenarijev je bila oseba, ki je nosila motilec, stalno spremljana s tahimetrom, da se je za vsak časovni žig določila natančna razdalja do sprejemnikov. Cilj je bil najprej določiti učinke različnih motilcev na zmogljivosti pametnih telefonov za določanje položaja ter primerjati njihov odziv v smislu hitrosti in kakovosti ponovnega določanja položaja s profesionalnimi geodetskimi sprejemniki. Drugič, razvita je bila metoda za določitev položaja vira motenj s spreminjanjem praga izgube signala in časa obnovitve na pametnem telefonu ter razmerja med signalom in šumom (CNR). Rezultati kažejo, da imajo opazovanja GNSS iz pametnih telefonov prednost pred geodetskimi sprejemniki pri lociranju motenj, saj ne izgubijo signala v bližini vira motenj, ampak so zanje značilni predvsem nenadni padci CNR.Source: Remote sensing [Elektronski vir]. - ISSN 2072-4292 (Letn. 15, št. 4, art. 1157, feb. 2023, str. 1-24)Type of material - e-articlePublish date - 2022Language - englishCOBISS.SI-ID - 143285507
Author
Pavlovčič Prešeren, Polona, geodezija |
Dimc, Franc |
Bažec, Matej, 1976-
Topics
geodezija |
GNSS |
motenje |
pametni telefoni |
Xiaomi Mi8 |
Xiaomi 11T |
Huawei P40 |
Samsung S20 |
geodesy |
GNSS |
jamming |
smartphones |
Xiaomi Mi8 |
Xiaomi 11T |
Huawei P40 |
Samsung S20
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pavlovčič Prešeren, Polona, geodezija | 19585 |
Dimc, Franc | 14414 |
Bažec, Matej, 1976- | 21506 |
Source: Personal bibliographies
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