PNT resilience in a world of emerging cyber thread

Jiří Kalvoda
Email: jkalvoda@trinstruments.cz
TR instruments spol.s r.o., Křižíkova 70, 612 00 Brno, Czechia

Peter Wollmann
Spirent, www.spirent.com

Position, navigation and timing is vulnerable to such threats as jamming or spoofing. In order to mitigate those threads testing of receivers and solutions is mandatory. This presentation will show possibilities and methods for validating devices against most common threats.

Frequency-spectrum based anti-drone protection of strategic objects

Milan Tenušák
Email: milan.tenusak@jisr-institute.org
URC Systems spol. s r.o., Vrahovická 825/156b, 798 11 Prostějov, Czechia
JISR Institute, a.s., Na Strži 241/28, 140 00 Praha 4, Czechia

The paper deals with anti-drone protection systems researched by JISR Institute. Attention is turned to the development and implementation of anti-drone elements being integrated into complex systems for the protection of strategic objects. A software application integrates sensors and effectors into a system reacting on threats revealed in frequency spectrum. Then, the threats are eliminated by an efficient jammer. Other integrated systems like radars, optical systems and protocol takeover of drones are taken into account as well.

Security and reliability of room occupancy detection in smart buildings using probe requests

Tomas Fryza
Email: fryza@vut.cz
Dept. of Radio Electronics, Brno University of Technology, Technicka 12, 616 00 Brno, Czechia

Tomas Bravenec
Institute of New Imaging Technologies, University Jaume I, Spain

Zdenek Kohl
Dept. of Electrical Engineering, University of Defence, Kounicova 65, 662 10 Brno; Czechia

In this paper, new approaches for determining the occupancy in smart building management systems are introduced and verified. Examining the occupancy of university workplaces can lead to future improvements in safety and energy consumption. In addition to usual methods based on PIR motion sensors, our implementation uses communication between mobile devices and infrastructure in the form of probe requests from Wi-Fi packets. The data is captured using sniffers based on ESP32 micro controllers, then processed using Python. Thanks to this, the total number of people in the building can be estimated. The calculated data were compared with the real occupancy of the rooms using video surveillance. The achieved RMSE estimation error was evaluated for minimal, small and medium-sized scenarios, respectively. The described solutions can be applied dually, in civil and military areas, not only for economic management, but also in crisis situations when it is necessary to ensure the safety or rescue of citizens.

Digital urban platform as an impulse for a modern, environmentally-safe and secure city

Peter Barcik
Email: barcik@vutbr.cz
Dept. of Radio Electronics, Brno University of Technology, Technicka 12, 616 00 Brno, Czechia

Aneta Coufalikova, Petr Frantis
Dept. of Informatics and Cyber Operations, University of Defence, Kounicova 65, 662 10 Brno

Jiri Vavra
Dept. of Electrical Engineering, University of Defence, Kounicova 65, 662 10 Brno; Czechia

In today's world, the digitalization of the city is a necessity. Cities must embrace the digitalization of city management to adapt to current changes, such as globalization, climate change, demographic growth and security. This paper presents the concept of a digital urban platform based on Rotterdam's digital twin showcase. The framework for data processing is presented. Individual components of the city digital platform can represent potential vulnerabilities, and it is necessary to anticipate the constant threat of a cyber-attack. Therefore, security threats and the potential of smart cities for military usage are discussed. Lastly, Rotterdam digital twin is compared with the Brno city digital platform. It was found that the digitalization process of the city is very individual, and it is probably impossible to unify it. Even so, they are a source of interesting data that third parties can use.


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