Peter Trúchly

• PhD.
• Professor (Assistant) at Slovak University of Technology in Bratislava

Students education in various fields (such as science, technology, engineering, and mathematics) is constantly looking for ways and techniques on how to motivate students to learn, how to increase their engagement and how to increase the e ciency of knowledge acquisition. Information and communication technologies are developing at a very rapid spe...

Wireless Local Area Network (WLAN) infrastructure is a dominant technology for direct access to the Internet and for cellular mobile data traffic offloading to WLANs. Additionally, the enterprise infrastructure can be used to provide functionality for the Internet of Things and Machine to Machine scenarios. This work is focused on improvements of r...

Efficient learning process in the area of science, technology, engineering and mathematics depends on many factors. Motivation of students to learn is one of them and requires deployment of attractive learning objects which can captivate students’ attention, involve them in solving problems and connect their experience with knowledge. Virtual reali...

TV watching dramatically changes with introduction of new technologies such as Internet-connected TVs, enriched digital broadcasting (DVB), on-demand content, additional programme information, mobile phones and tablets enabling multiscreen functions etc that offer added values to content consumers. In this paper we propose modular advanced TV platf...

For more than 50 years, satellite systems have been utilized in various fields and this trend is still progressing. Therefore experts and specialists in this domain are still required and efficient trainings are needed. Unfortunately, laboratory experiments for investigation of the satellite-Earth systems are difficult to realize so suitable visual...

E-learning can be more efficient when training materials are supported by various additional interactive and explanatory tools. One such supporting tool we have developed and implemented in the framework of several Leonardo da Vinci (LdV) and Erasmus+ projects focused on the lifelong learning of experts from ICT area and vocational training. Traini...

Digital television enables IP data delivery using various protocols. Hybrid television HbbTV enhances digital television with applications delivery. HBB-Next is an architecture which enhances HbbTV with additional features. However it does not specify IP data delivery despite it has access to both broadcast and broadband channel. This paper propose...

Presented work focuses onto proposal, implementation and evaluation of the new method for detection and type identification of SYN flood (DoS) attacks. The method allows distinguishing type of detected SYN flood attacks – random, subnet or fixed. Based on Counting Bloom filter, the attack detection and identification algorithm is proposed, implemen...

Analysis of the performance of various communication networks is often realized by researchers using simulation tools which can be free or commercially oriented. Network simulator (v.2) is a free, powerful and worldwide used simulation tool but it is not equipped by a graphical interface and therefore users have to spend additional time to gain an...

Present time is characterized by a variety of fixed and mobile smart technologies which provide users with a lot of new functions and possibilities. Every day new applications come into being and extend the service portfolio. Rapid evolution was noted in a domain of mobile end devices running the Android operating system. Current application base c...

For wireless systems, it is of vital importance to use the scarce radio resources in an efficient way. The main targets are to reduce the power consumption and increase the throughput of wireless devices. Using header compression both throughput can be increased and power can be saved. Using packet overhearing reduction power can be saved. This pap...

Television, radio and a lot of other multimedia services belong today among the most used sources of information and entertainment. Digitalization allowed television to bring it to end users not only in a high definition quality but also with many other data services. This is the case of digital video broadcasting systems that can distribute video,...

Satellite systems play an important role in current global communications. New generations of satellite systems can utilize so called multilayered configurations where satellites among various layers (orbits) are interconnected to increase a capacity of overall system. Such satellite systems need to find optimal protocols (e.g. routing protocols) a...

IPsec and TLS based VPN technologies are widely used in nowadays networks. But one can hardly find information about their performance, especially compared to each other. So when there was a speed and delay sensitive interconnection project, a direct performance comparison had to be performed. This article realizes a performance comparison of Open...

The paper presents the main ideas of two Leonardo da Vinci (LdV) projects focused on the vocational training. The selected outputs of these projects are presented in more details. The conception of the multilingual terminological dictionary and proposed graphical user interface is also presented in the paper. An example of practical exercises in th...

During the last decade, considerable effort was made in the area of ad-hoc networks at various levels of reference model OSI. In this paper DSR and DYMO routing protocols are investigated in two building environments (factory and office) with and without parasitical communication. Main comparison is realized based on the average time of packet deli...

This contribution is oriented to the analysis, investigation and comparison of current leading network simulators on the basis of their abilities to simulate a new emerging system called IP multimedia subsystem. We identify relevant representatives of simulators (based on SIP support), we summarise their main supported features (networks, protocols...

Satellite systems are part of the global communication system and considerable differ from ground communications networks (such as fixed, mobile, and wireless data networks) mainly in a quality of transmission links. From transmission delays point of view the low earth orbit satellite systems (from all satellite systems) can only compete with groun...

E-learning has brought a new approach into the learning. E-learning is mainly based on the self-learning and consultations with the lector. This article presents the set of new e-learning courses and certification exams oriented at the ICT areas. The description of the courses will be given and the arrangement of the courses will be described. The...

Voice over internet protocol (VoIP) is getting high on success in communication services at present. There are still more and more providers that offer telephony services based on VoIP. Many producers of telephony solutions and also manufacturers of electronic devices or software applications expand markets in the communication area. The reason the...

Telecommunication market is based on a demand and supply of new more and more attractive services. Telecommunication companies develop and offer new reliable broadband multimedia and interactive services for users no matter they are fixed or mobile, situated in areas with or without high communication infrastructure or use a small handheld or deskt...

Multimedia services including text, audio and video media are main engine in the communication area at the present time. There are available several communication systems, each one utilizing some protocol architecture with a certain level of transmission efficiency. This contribution analyses and compares transmission efficiency/overhead of various...

The present situation in telecommunication domain is characterized by a main evolution trend-a convergence of the voice and data networks to the new next generation networks. Broadband satellite networks are one of the many networks which will be involved inside these networks where IP protocol appears to be a basic network protocol. However, QoS s...

Currently, various types of mobile and satellite systems are widely applied and utilized. Interconnection of such communications systems and broadband communications networks is one possible solution how to provide multimedia services at geographically isolated points on the Earth. However, the LMS channel is characterized by high transmission dela...

Main purpose of this paper is to show majority of the problems appeared when the satellite links are used as a physical transmission medium for service transmissions by the asynchronous transfer mode (ATM). The error control of ATM is explored at physical and data link level. For appeared problems the solutions like an interleaving methods and othe...