Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Jiri Vodrazka"'
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 16, Iss 2, Pp 218-225 (2018)
Among other aspects, the reliability of electricity meters is important for securing energy supply and other Smart Grid (SG) functions and services. This paper analyses the reliability of functions and services provided by electricity meters in relat
Externí odkaz:
https://doaj.org/article/28d1db83ef464d31aea8bcc7ca9efdd6
Autor:
Jiri Vodrazka
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 15, Iss 4, Pp 633-638 (2017)
It is clear that communication infrastructure will must be gradually extended to lower levels of energy grid, primary to medium and low-voltage levels. The information capacity of the backhaul part of the communication network will be continuously in
Externí odkaz:
https://doaj.org/article/838a7aadc2894a0593e02fe9fe8d39f6
Autor:
Jaromir Hrad, Jiri Vodrazka
Publikováno v:
Communications, Vol 18, Iss 1, Pp 62-66 (2016)
The paper is dedicated to different topologies of medium-voltage power distribution lines with respect to their properties influencing the transmission of communication signals. We provide very basic introduction to the problems of signal transmissio
Externí odkaz:
https://doaj.org/article/8c7fee47a0fc41468e40beb56b65a7b2
Autor:
Jiri Vodrazka, Jan Kucerak
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 14, Iss 4, Pp 352-357 (2016)
The voice quality modelling assessment and planning field is deeply and widely theoretically and practically mastered for common voice communication systems, especially for the public fixed and mobile telephone networks including Next Generation Netw
Externí odkaz:
https://doaj.org/article/417bf75277324b98b8b4bee5f408e6d5
Autor:
Petr Jares, Jiri Vodrazka
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 13, Iss 4, Pp 320-324 (2015)
Nowadays, in the EU a lot of project concerning broadband access to the Internet for end users is being developed. The aim of those projects is to support the creation of access communication networks that can meet defined performance criteria for pr
Externí odkaz:
https://doaj.org/article/69816301989249589de05aae7a8f9a7d
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 12, Iss 1, Pp 13-19 (2014)
There is a great diversity in the transmission technologies in current data networks. Individual technologies are in most cases incompatible at physical and partially also at the link layer of the reference ISO/OSI model. Network compatibility, as th
Externí odkaz:
https://doaj.org/article/5e3e469c3342458c8bb4f6373a42e578
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 12, Iss 4, Pp 289-293 (2014)
The article describes the verification of the application of methods of network coding in the mobile wireless network environment with specific antenna system in use. Network coding principles are used for increase the reliability of data transmissio
Externí odkaz:
https://doaj.org/article/cef126e2e0b445ff8a5ae14c6d3602f2
Autor:
Petr Jares, Jiri Vodrazka
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 12, Iss 4, Pp 260-264 (2014)
Today, increasing of the transmission rate in a telecommunications network is possible in various ways. One of them is inverse multiplexing. The inverse multiplexer divides a data stream to multiple parallel channels. This principle not only allows t
Externí odkaz:
https://doaj.org/article/e84c9995cabb423a95173f92d78cb351
Publikováno v:
Communications, Vol 15, Iss 2A, Pp 129-133 (2013)
The digital subscriber lines are still base of access network to provide Internet connectivity to the public. The transmission capacity is continually increased and performance of digital subscriber lines must be estimated for network provider use. T
Externí odkaz:
https://doaj.org/article/1822cfdd185642bb9b56dc008ac91bcc
Autor:
Leos Bohac, Jiri Vodrazka
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 11, Iss 5, Pp 321-326 (2013)
The paper analyses and experimentally verifies deployment of Ethernet based network technology to enable fault tolerant and timely exchange of data among a number of high voltage protective relays that use proprietary serial communication line to exc
Externí odkaz:
https://doaj.org/article/2371d186ecaf47abba6c7eed407cf4d4