The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The article focuses on experimental measurement of multi-carrier narrowband Power Line Communication. The aim of experimental measurements was comparison of multi-carrier narrowband Power Line Communication from the view-point of possible communication distance, available data rate and impact of noise. The specifications G3-PLC and PRIME are considered. The field test results and data rate measurements...
The key to the Smart Grid vision are the communication networks, which serve as the fundamental information infrastructure to provide bidirectional end-to-end data communication in the Smart Grid. To enable this bidirectional end-to-end data communication, narrowband power line communication (PLC) systems are attractive because they can be deployed over existing outdoor power lines. The paper describes...
The Internet of Things (IoT), as expected infrastructure for envisioned concept of Smart City, brings new possibilities for the city management. IoT vision introduces promising and economical solutions for massive data collection and its analysis which can be applied in many domains and so make them operating more efficiently. In this paper, we are discussing one of the most challenging issues — municipal...
The Internet of Things (IoT) brings together a large variety of devices of different platforms, computational capacities and functionalities. The network heterogeneity and the ubiquity of IoT devices introduce increased demands on both security and privacy protection. Therefore, the cryptographic mechanisms must be strong enough to meet these increased requirements but, at the same time, they must...
In this paper the method for managing a line topology and estimating the topological parameter (length of bridge taps and direct line) are investigated. The method will be evaluated in a simulation environment. With the method and system for managing a line topology and related apparatus it is possible to provide a PLC system with information about network and line quality for performing quick diagnosis,...
The Smart Grid, as a current progressive new field, brings new possibilities and also new challenges. This paper deals with cyber security challenges in Smart Grid area. We provide a random number generator, which might be used for cryptographic purpose in low-power parts of Smart Grid network. The presented solution use hardware events and it is an effective solution for true random number needs...
The Smart City as a concept of future cities anticipates the smart and efficient traffic management. Current situation of traffic management did not offer a sufficient solution and it is not wise to use the current technology to improve the traffic situation on the city roads. This paper deals with advanced methods for optimization, the genetic algorithms, for using in urban traffic management. Implementation...
The Internet of Things (IoT) represents a vision of a future communication between users, systems, and daily objects performing sensing and actuating capabilities with the goal to bring unprecedented convenience and economical benefits. Today, a wide variety of developed solutions for IoT can be seen through the all industry fields. Each of the developed systems is based on the proprietary SW implementation...
OpenSSL represents the open source tool-kit of SSL and TLS protocols. This tool-kit includes the elliptic curve cryptography (ECC) among other things. The ECC part of OpenSSL provides curves of many standards and also curves of many sizes. The ECC is a current issue of information and communication technologies and it is implemented in many communication devices. We tested the elliptic curve cryptography...
In this article, the ECDH crypto library is introduced. This library is designed to ultra-low power MSP430 microcontroller and it allows implement time and memory consuming cryptographic operations in this microcontroller with limited resources. The main part of the article focuses on the way of ECDH implementation to the MSP430 microcontroller. Some implementation problems were discussed here. The...
The MSP430 x5xx Families is ultra-low power micro-controller from Texas Instruments Company, which is used for good energy properties in many fields. This microcontroller could be used everywhere, where it is needed a big life-time of battery, for example sensor networks. It may be necessary in these networks and also in other fields to provide some level of security. The random numbers is the basic...
This Article deals with traffic light management in cities. Our solution is based on a sensor network, which should provide enough information for dynamic methods. This solution is about the implementation of genetic algorithms into the system of traffic light control systems to make it more efficient. The article provides a simulation tool for dynamic and static traffic light management simulation,...
Two different coupling circuits, capacitive and inductive, are introduced. These coupling circuits are analyzed by laboratory measurements. The measurements of the load impedance of coupling circuits are realized. The general discontinuity in communication path is presented in form of coupling circuit. The influence of position of coupling circuit and number of branches on transfer function is also...
The article presents an analysis of the influence of power line characteristic and power line topology parameters on transfer function. The effects of load impedance, branch length, number of branches, and time and frequency selectivity of terminal impedance are shown in this analysis. The analysis results give power line network parameters which have a significant effect on the transfer function...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.