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    Wyświetlanie 1-9 z 9
    Tytuł:
    Primenenie sputnikovogo komnasa dlâ obnaruženiâ GNSS-spufinga
    The application of satellite compass for GNSS-spoofing detecting
    Autorzy:
    Dobryakova, L.
    Lemieszewski, Ł.
    Lusznikov, E.
    Ochin, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/359319.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    spoofer
    Spoofing
    GNSS
    compass
    Opis:
    The article discusses a new approach to the detection of GNSS spoofing, based on the use of satellite compass. Comparing the results of measurements of GNSS receivers of compass in two modes (normal mode of GNSS navigation and spoofing mode). The studies have shown, that in mode of spoofing attacks in both receivers of satellite compass we have the equality of coordinates, which in algorithm coordinate definitions, determine mathematical indeterminate form 0/0. This means getting out of the operating status of the satellite compass that can be used as an alarm “spoofing attack” to take appropriate security measures of GNSS navigation.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2014, 37 (109); 28-33
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the application of GNSS signal repeater as a spoofer
    Autorzy:
    Dobryakova, L.
    Ochin, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/360710.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    spoofer
    spoofing
    GNSS
    repeater
    Opis:
    Spoofing and antispoofing algorithms have become an important research topic within the GNSS discipline. The power of the GNSS signal on the earth’s surface averages –160 dBw. While many GNSS receivers leave large space for signal dynamics, enough power space is left for the GNSS signals to be spoofed. The goal of spoofing is to provide the receiver with a misleading signal, fooling the receiver to use fake signals in space for positioning calculations. The receiver will produce a misleading position solution. The purpose of this paper is to analyze the vulnerability of the satellite signal in repeater’s output from the viewpoint of GNSS spoofing attacks. The article discusses a new approach to GNSS spoofing, based on the application of GNSS signals repeating by potential terrorists. Practical spoofing that provides misleading navigation results at the receiver is difficult to conduct due to the signal infrastructure, and by applying trivial anti-spoofing algorithms in GPS receivers, spoofing attack can be easily detected. To detect spoofing attacks of this type we have a variety of methods. For example, the authors suggest the use of paired navigators and GNSS compasses as detectors of GNSS spoofing.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2014, 40 (112); 53-57
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiz algoritmov detektirovaniâ GNSS-spufinga
    The analysis of the detecting algorithms of GNSS-spoofing
    Autorzy:
    Dobryakova, L.
    Lemieszewski, Ł.
    Ochin, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/359113.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    spoofer
    spoofing
    GNSS
    NAVSTAR GPS
    GLONASS
    Galileo
    BEJDOU-2
    Opis:
    The article discusses the new algorithms for detect of GNSS-spoofing based on a comparison of the pseudorange measurements results of navigation satellites and calculate the coordinates of a pair of GNSSreceivers in two modes: the normal GNSS-navigation and mode of the spoofing. The theoretical studies have shown that a single-antenna mode spoofing under certain conditions gives us the same measured pseudoranges. The calculated distance between the two antennas of GNSS-receivers gives us zero. In a mode of the normal GNSS-navigation computed distance between the antennas of the two GNSS-receivers exceeds the true distance to the tens of meters. These differences are used as the basic detection spoofing parameters.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 2; 30-36
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The study of the spoofer’s some properties with help of GNSS signal repeater
    Autorzy:
    Ochin, E.
    Lemieszewski, Ł.
    Lusznikov, E.
    Dobryakova, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/358948.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    satelite navigation systems
    transport equipment
    spoofer
    spoofing detection algorithm
    signal receiver
    Opis:
    Satellite navigation systems are widely used in navigation for precise trajectory determination of transport equipment. In this article mathematical models and algorithms have been developed to solve the problems of precision and safety of satellite navigation. One of the problems is spoofing (substitution) – a situation in which a system (hardware, software, etc.) successfully masquerades as another by falsifying data system and performs illegal actions. What is considered in the paper is spoofing detection algorithm based on the analysis of a civil satellite signal generated by the two receivers but instead a fully functional Spoofer GNSS signal repeater was used. This work is intended to equip GNSS users and receiver manufacturers with authentication methods that are effective against unsophisticated spoofing attacks. The work also serves to refine the civilian spoofing threat assessment by demonstrating the challenges involved in mounting a spoofing attack.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 36 (108) z. 2; 159-165
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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:
    Cloud-based GNSS navigation spoofing detection
    Autorzy:
    Dobryakova, Larisa
    Lemieszewski, Łukasz
    Ochin, Evgeny
    Powiązania:
    https://bibliotekanauki.pl/articles/135509.pdf
    Data publikacji:
    2019
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    Cloud-based GNSS
    GNSS
    antiterrorism
    antispoofing
    transport safety
    spoofer
    spoofing detection algorithm
    Opis:
    Satellite navigation systems are commonly used to precisely determine the trajectory of transportation equipment. The widespread deployment of GNSS is pushing the current receiver technology to its limits due to the stringent demands for seamless, ubiquitous and secure/reliable positioning information. This fact is further aggravated by the advent of new applications where the miniaturized size, low power consumption and limited computational capabilities of user terminals pose serious risks to the implementation of even the most basic GNSS signal processing tasks. This paper has presented the advantage of Cloud-based GNSS Navigation, which facilitates the possibility of developing innovative applications where their particularities (e.g. massive processing of data, cooperation among users, security-related applications, etc.) make them suitable for implementation using Cloud-based infrastructure.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2019, 57 (129); 29-37
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spoofing detection for underwater acoustic GNSS-like positioning systems
    Autorzy:
    Ochin, Evgeny
    Powiązania:
    https://bibliotekanauki.pl/articles/135055.pdf
    Data publikacji:
    2019
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    antiterrorism
    GNSS
    spoofer
    antispoofing
    spoofing detection algorithm
    underwater vehicle
    underwater transport safety
    acoustic communication
    Opis:
    The need for accuracy, precision, and data registration in underwater positioning and navigation should be viewed as no less stringent than that which exists on the sea surface. In the same way in which GNSS (Global Navigation Satellite System) receivers rely on the signals from multiple satellites to calculate a precise position, undersea vehicles discern their location by ranging to the acoustic signals originating from several fixed underwater acoustic sources using the Time-of-Arrival algorithm (ToA) through the Ordinary Least Squares method (OLS). In this article, the scope has been limited to only considering underwater positioning systems in which the navigation receiver is acoustically passive. The receiver “listens” to the buoys, receives their messages and solves the problem of finding its own position based on the geographical coordinates of the buoys. Often, such systems are called GNSS-like Underwater Positioning Systems (GNSS-like UPS). It is important to note the distinction between general purpose GNSS-like UPS (mainly civil systems) and special purpose GNSS-like UPS (mainly military systems). In this article, only general purpose GNSS-like UPS systems have been considered. Depending on the scale of system’s service areas, GNSS-like UPS are divided into global, regional, zonal and local systems. Only local GNSS-like UPS systems have been considered in this article. The spoofing of acoustic GNSS-like UPS works as follows: the acoustic GNSS signal generator transmits a simulated signal of several satellites. If the level of the simulated signal exceeds the signal strength of the real satellites, the acoustic receiver of an underwater object will “capture” the fake signal and calculate a false position based on it. All receivers that fall into the spoofing zone will calculate the same coordinates, while the receivers located in different places will have a mismatch in the XYZ coordinates.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2019, 57 (129); 38-46
    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 1-9 z 9

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