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Wyświetlanie 1-3 z 3
Tytuł:
The vulnerability of unmanned vehicles to terrorist attacks such as Global Navigation Satellite System spoofing
Autorzy:
Dobryakova, L.
Lemieszewski, Ł.
Ochin, E.
Powiązania:
https://bibliotekanauki.pl/articles/135170.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
GNSS
navigation
jammer
jamming
anti-jamming
spoofer
spoofing
anti-spoofing
repeater
Opis:
Spoofing, anti-spoofing, jamming, and anti-jamming algorithms have become an important research topic within the Global Navigation Satellite System (GNSS) discipline. While many GNSS receivers leave large space for signal dynamics, enough power space is left for the GNSS signals to be spoofed. GNSS signal power on the earth’s surface is around 160 dBW. The goal of spoofing is to provide the receiver with a slightly more powerful misleading signal, stronger than the original GNSS signal, fooling the receiver into using fake signals for positioning calculations. The receiver will generate a misleading position of the navigator. Practical spoofing that provides misleading navigation results of the receiver is difficult to conduct due to the signal infrastructure. Using trivial anti-spoofing algorithms in GNSS receivers, spoofing attacks can be easily detected. The article discusses the vulnerability of unmanned vehicles and provides an approach to anti-spoofing based on measuring distance between two antennas.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 46 (118); 181-188
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Protecting vehicles vulnerable to terrorist attacks, such as GNSS jamming, by electromagnetic interference shielding of antenna
Autorzy:
Dobryakova, L.
Lemieszewski, Ł.
Ochin, E.
Powiązania:
https://bibliotekanauki.pl/articles/135431.pdf
Data publikacji:
2017
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
GNSS
navigation
jammer
jamming
anti-jamming
spoofer
spoofing
anti-spoofing
repeater
Opis:
Spoofing, anti-spoofing, jamming and anti-jamming technologies have become an important research topic within the GNSS discipline. While many GNSS receivers leave a large space for signal dynamics, enough power space is left for the GNSS signals to be spoofed and/or jammed. The goal of spoofing is to provide the receiver with a misleading signal, fooling the receiver into using fake signals in the extra space for positioning calculations. The receiver will then generate a false position, thus misleading the navigator. The goal of jamming is to add noise to the satellite signal which leads to fooling the receiver into using “signals plus noise” for positioning calculations. This article discusses the approach to anti-jamming based on the shielding of antennas from the signal jammer.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2017, 50 (122); 77-83
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
GPS/GNSS spoofing and the real-time single-antenna-based spoofing detection system
Autorzy:
Ochin, E.
Powiązania:
https://bibliotekanauki.pl/articles/135406.pdf
Data publikacji:
2017
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
Global Navigation Satellite System
Global Positioning System
anti-terrorism
anti-spoofing
transport safety
spoofer
spoofing detection algorithm
Opis:
The idea of C/A codes GPS/GNSS Spoofing (Substitution), or the ability to mislead a satellite navigation receiver into establishing a position or time fix which is incorrect, has been gaining attention as spoofing has become more sophisticated. Various techniques have been proposed to detect if a receiver is being spoofed – with varying degrees of success and computational complexity. If the jammer signals are sufficiently plausible then the GNSS receiver may not realize it has been duped. There are various means of detecting spoofing activity and hence providing effective mitigation methods. In this paper, a novel signal processing method applicable to a single antenna handset receiver for spoofing detection has been described. Mathematical models and algorithms have been developed to solve the problems of satellite navigation safety. What has been considered in the paper is a spoofing detection algorithm based on the analysis of a civil satellite signal generated by mobile C/A GPS/GNSS single-antenna receivers. The work has also served to refine the civilian spoofing threat assessment by demonstrating the challenges involved in mounting a spoofing attack.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2017, 52 (124); 145-153
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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