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The paper describes a unified methodology which takes into account the advantages and disadvantages of different Power Line Communication (PLC) technologies suitable for Smart Metering deployment. The methodology should provide a detailed evaluation of PLC technologies based on a clear definition of the different parameters and their measurement. Based on this methodology, we should be able to provide a comparison of the selected technologies and the methodology should also provide data for the design of a telecommunication infrastructure for Smart Metering/Smart Grids. In this paper and based on this methodology, we also present the performance tests carried out in laboratory environment on low voltage and in on-field conditions on medium voltage. © 2018 Kauno Technologijos Universitetas. All rights reserved.

The new technological approaches bring us into the digital era, where data security is a part of our everyday lives. Nowadays cryptographic algorithms, which are also recommended by international security standards, are often developed for non-limited devices and they are not suitable for limited environments. This paper deals with a lightweight solution for the structure of big numbers, which should help with ordinary recommended cryptographic algorithms in limited devices. We introduce our lightweight structure and elementary algebra for cryptographic primitives based on non-limited OpenSSL library. Last but not least, we provide experimental measurements and verification on the real scenarios. © 2017 IEEE.

This paper provides deployment options of power line communication usage for smart metering low voltage applications. The article focusses on reliability comparison of the narrow band PRIME and G3-PLC power line communication standards in the real condition and laboratory environment. The main goal is to evaluate these standards between transformer station and devices in nearby buildings (e.g. smart meters). The article describes a specific equipment and measurements conditions in real underground transformers station. The measurement is focused on verifying sufficient transmission quality and speed in different setups of modem standards. © 2017 IEEE.

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 are presented for different scenarios. They demonstrate consequences of noisy environment and complicated topology. Finally, the article identifies and analysis the fundamental issues for further development of PLC for Smart Grids and Smart Metering. © 2017 IEEE.