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The paper considered the theoretical information of generators for several power sources, schematic theirsolutions, and the main disadvantages and advantages. A generator for 4 batteries based on field-effect transistors with optical galvanic isolation and a clock generator built on the basisof the Atmega328 microcontroller, which is part of the Arduino Uno device, was studied. The result of the study...
The purpose of this work is to study the quality of the innovation-investment component of the international competitiveness of EU countriesand Ukraine, to reveal the potential of innovation-investment activity in ensuring the effectiveness of the national economy, as well as to substantiatethe priority vectors of leveling external shocks and promoting economic growth in Ukraine. The work evaluates...
Based on the analysis of the statistical characteristics of heterogeneous network traffic of "Quadruple Play" mobile subscribers, it is shown that it cannot be represented by Poisson or Erlang distributions. It is shown that for such similar traffic, the rate of growth of the required buffer volume increases as the Hurst parameter increases. A method of adaptive traffic formation using the...
Currently, cellular networks have become widespread, the operators of which simultaneously use the infrastructure of the second generation GSM networks, DCS to build third generation W-CDMA networks that provide broadband multiple access with code division. At the same time, the problem of providing high-speed Internet connections is exacerbated due to the growing volume of data of diverse types transmitted...
The analysis of mobile communication standards is carried out, the functional structure and interfaces of interaction between the structural elements of the cellular network are considered. To understand the principle of communication according to the GSM standard, a block diagram of a mobile switching center (MSC), base station equipment (BSS), control and service center (MCC), mobile stations (MS)...
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