National Repository of Grey Literature 52 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
Acquisition of data on network communication from terminal devices
Obršlík, Lukáš ; Šedý, Jakub (referee) ; Krkoš, Radko (advisor)
The bachelor’s thesis deals with collecting statistical information about network communication in terminal equipment devices. Theoretical part of this project aims to gather methods and application tools on Windows and Unix platforms and support them by well chosen third party solution to gain more detailed informations. Tools were chosen based on ease of deployment and usage. Practical part of bachelor’s thesis directs to find suitable solution to gather detailed informations about network traffic. Important fact must be to not bother the end-users. Next part is to develop own application for collecting information about network usage and communication. Output format structure of the solution was designed with future data manipulation in mind.
Heterogeneous Connectivity of Mobile Devices in 5G Wireless Systems
Mašek, Pavel ; Róka, Rastislav (referee) ; Martinek,, Radek (referee) ; Hošek, Jiří (advisor)
Předkládaná disertační práce je zaměřena na "heterogenní propojení mobilních zařízení v bezdrátových systémech 5. generace". Navzdory nepochybnému pokroku v rámci navržených komunikačních řešení postrádají mobilní sítě nastupující generace dostatečnou šířku pásma a to hlavně kvůli neefektivnímu využívání rádiového spektra. Tato situace tedy v současné době představuje řadu otázek v oblasti výzkumu. Hlavním cílem této disertační práce je proto návrh nových komunikačních mechanismů pro komunikaci mezi zařízeními v bezprostřední blízkosti s asistencí mobilní sítě a dále pak návrh a implementace algoritmů pro dynamické přidělování frekvenčního spektra v nastupujících mobilních sítích 5G. Navrhnuté komunikační mechanismy a algoritmy jsou následně komplexně vyhodnoceny pomocí nově vyvinutých simulačních nástrojů (kalibrovaných s využitím 3GPP trénovacích dat) a zejména pak v experimentální mobilní síti LTE-A, která se nachází v prostorách Vysokého učení technického v Brně, Česká Republika. Získané praktické výsledky, které jsou podpořeny zcela novou matematickou analýzou ve speciálně navržených charakteristických scénářích, představují řešení pro vlastníka spektra v případě požadavků na jeho dynamické sdílení. Tato metoda tedy představuje možnost pro efektivnější využití spektra v rámci mobilních sítí 5G bez degradace kvality služeb (QoS) a kvality zážitků (QoE) pro koncové uživatele. Vědecký přínos dosažených výsledků dokazuje fakt, že některé z principů představených v této disertační práci byly zahrnuty do celosvětově uznávaného standardu (specifikace) 3GPP Release 12.
Identifying P2P Users Using Traffic Analysis
Jalsovszky, Zoltán ; Tobola, Jiří (referee) ; Žádník, Martin (advisor)
Bachelor's thesis deals with methods of detection of P2P users like BitTorrent, DC++, Gnutella and others. An application was created, which is able to detect these users using multiple ways. This method combines analysis of packet payload and analysis of network traffic and flows, so more exact detection is possible. Application is written in C++ programming language, and is built on open-source tool L7-filter.
Costs of Running a Car Administration - an Android Application
Kleštinec, Vladimír ; Řezníček, Ivo (referee) ; Kubíček, Radek (advisor)
This work deals with creation of an application for an Android operating system, which will provide effective management of car costs. The important part of this work is communication and synchronization with a remote server.Whole application aims to provide friendly user inteface, which will be very effective to use.
IEC 61850 industrial communication simulator
Srp, Jakub ; Pospíšil, Ondřej (referee) ; Blažek, Petr (advisor)
This thesis is focused on IEC 61850 communication protocols SMV, GOOSE and MMS and their implementation in SCADA systems. There is a simulator, run on Raspberry Pi, that generates data according to IEC 61850 and transmits the data using protocols in question. The simulation consist of various virtual devices e.g. surge protection, undervoltage protection, circuit breaker, disconnector, HMI. The MMS protocol is used for station control. Simulation can be user-defined from textual configuration file.
Emulator for Intelligent Home End Stations
Šutovský, Filip ; Košař, Vlastimil (referee) ; Korček, Pavol (advisor)
This thesis deals with design and implementation of an application emulating end stations in intelligent home system, which are used to measure physical quantities and interact with switches. Application has a comprehensive graphical user interface developed in programming language Java, which allows testing of other system layers and recording of statistical data about emulation contributing to system analysis.
Programming of Networking Applications on Different Platforms
Vach, Martin ; Čejka, Rudolf (referee) ; Matoušek, Petr (advisor)
The aim of this thesis is compare the network communication protocols and their implementations on different platforms. In the work are described the used communication protocols and the possibilities of their implementation in different programming languages. There are described procedures for implementation of network communication on the demonstration application and testing of these implementations. Based on the results of testing, are the communication protocols and their implementations compared.
Digital Clock to be set using the NTP Protocol
Vykydal, Lukáš ; Provazník, Ivo (referee) ; Sekora, Jiří (advisor)
The goal of this work is the principle of NTP synchronization and required level of network communication. In the second part the work describes design of digital clock which is synchronized using this technique. That way we achieve automatic time adjustment and keeping the time within reasonable error.
Implementation of ethernet communication inteface into FPGA chip
Skibik, Petr ; Fujcik, Lukáš (referee) ; Bohrn, Marek (advisor)
The thesis deals with the implementation of Ethernet-based network communication interface into FPGA chip. VHDL programming language is used for description of the hardware. The interface includes the implementation of link-layer Ethernet protocol and network protocols such as IPv4, ARP, ICMP and UDP. The final design allows bi-directional communication on the transport-layer level of TCP/IP model. The designed interface was implemented into Virtex5 FPGA chip on development board ML506 by Xilinx.
Ethernet Interface Module on FITkit Platform
Šoustar, Jiří ; Vašíček, Zdeněk (referee) ; Šimek, Václav (advisor)
This graduation thesis is aimed at design and implementation of embedded systems, network communication and support of the network communication for embedded systems. Furthermore it introduces school platform FITkit and offers a conceptional extension of the network interface for this platform based on Ethernet network standard. Based on that conception I'm trying to find and describe suitable solution for FITkit platform which realizes a network interface as a form of extension module capable of development supporting.

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