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Dissertations / Theses on the topic 'Pasivní optická síť'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Havliš, Ondřej. "Pasivní optické sítě WDM-PON." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219767.

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The work deals with optical access networks, passive optical networks, especially WDM-PON. Features a modern solution to connect users to the optical access network using optical FTTx connections. Describes the different types of FTTx connections, their parameters and construction technology. Practical work is a practical application of theory for the development of various design and simulation of WDM-PON networks. Each proposal includes the construction of technical solutions optical access networks, the technology used and the balance of the reduced pricing WDM-PON network. The penultimate

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2

Mikauš, Jiří. "Návrh a simulace optické přístupové sítě typu PON." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219444.

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The aim of master's thesis was to demonstrate chosen PON network in simulation software OPNET Modeler. The work deals with passive optical networks. In particular, solutions that are based on the transmission of Ethernet frames. EPON and 10GEPON standards are described in theoretical section. EPON Standard was introduced already in 2004. Newer 10GEOPN is back compatible, which is ideal as a suitable solution for modern network with a high data rates demands. The practical part describes process of developing network nodes for passive optical network. EPON model was developed in simulation tool

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3

Kužela, Jan. "Návrh, realizace a měření pasivní optické sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317033.

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The aim of this thesis is to formulate the design of optical access network in designated area. The design is focused on the physical network layer and it covers optical fibers, cable protectors and links, optical hubs, racks and active components. The thesis also docu- ments network architecture, the configuration of active components and provides results from monitoring of selected network segments. The thesis consists of the theoretical part and practical part. In the theoretical part, there is an introduction to optical networks, their configurations (FTTH, FTTB, FTTC, FTTN), relevant netw

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4

Chlápek, Jan. "Návrh nových laboratorních úloh s gigabitovou pasivní optickou sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-402124.

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The diploma thesis is focused on design of new laboratory exercises on the topic of gigabit passive optical networks. The theoretical analysis is devoted to acquaintance with basic problematics of PON and analysis of individual PON standards. Special attention, besides GPON, XG-PON and EPON standards, is devoted to security issues in PON. The goal of practical section of the thesis is the design of four laboratory exercises. Two exercises are focused on configuring GPON and XG-PON networks in a console environment with the help of exemplary console commands. The goal of the third exercise is t

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5

Ambrož, Jan. "Návrh, výstavba a měření optických přístupových sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218998.

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The work deals with the possibilities of realization of optical access networks. They are introduced to FTTx optical access, including their specifications and differences. The document was largely devoted to passive and active optical networks. These two different technological approaches are explained and compared. Are presented technical solutions of routes - traditional options for laying underground or into the air, but also as an alternative microtubing. Mentioned are also the active network technology. The work also included the issue of measurement of optical access networks. They are

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6

Štěpán, Petr. "Trendy přístupových sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220562.

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This work deals with the modern trends in FTTX, but mainly focuses on FTTH, who represents the connecting of fiber to the homes of the participants. Sum up the basic problems of communication on the optical fibre, followed by comparison with other types of access networks. Another part is the analysis of the problems of construction and a description of the optical network topologies and technologies used in FTTH. In following chapter are characterized active and passive elements forming AON and PON networks. Next part deals with the study of the most common services that can be on the optical

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7

Dallal, Anas Omar. "Metodika návrhu PON sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218816.

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Cílem této práce je analyzovat současný stav přístupových optických sítí,a hlouběji prozkoumat PON metodiku a návrh sítě. Navrhnul jsem síť založenou na konceptu FTTH pro 90 rodinných domů ovládané z centrální stanice vzdálené 20 km. Zabýval jsem se problémy při návrhu FTTH, konkrétně pasivní optickou sítí. Dále jsem se zabýval ATM-PON a Ethernet PON (EPON), které jsou založeny na společné síťové architektuře, PON, ale používají jiné přenosové technologie na podporu integrovaných služeb a jiné protokoly. Po zadání (optimálního) síťového řešení, které se hodí pro nabídku Triple-Play služeb. Dál

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8

Vais, Zdeněk. "Návrh a implementace rozhraní pro zpracování rámců xPON." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413093.

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This thesis focuses on system for persistence of GPON communication. Theoretical part deals with problems of GPON and NG-PON optical networks, NoSQL database systems and MongoDB database. Practical part contains design of a database schema for MongoDB database and source code in programming languages Python and C# for working with this database. The thesis is finalized by performance testing, proving that the database design and source code implementation is capable of handling real world traffic.

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9

Žák, Ondřej. "Návrh optické přístupové sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218924.

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Diploma thesis is dealing with access networks, especially with the passive optical network. The theoretical part is a list of different types of passive optical access networks, including theirs basic description, which then goes on to feature connectivity options for optical units, customers, including topology of distribution network. Analysis of different types of networks and the possibility of physical and logical design is the basis for successful design and prepa-ration of future optical access networks. Practical part is devoting to data analysis of measurement existing metropolitan n

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10

Gajdoš, Jaroslav. "Metodika měření optických sítí FTTH." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218131.

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The main topic of this master thesis is a FTTH measurement methodology of optical networks and its specific features 9 compared with other measurement methodologies. Also, the use of the FTTH measurement methodology: an example of measurements of a passive network with splitter 1:8 and analysis of the results of these experimental measurements. The first part of the thesis concerns itself with the description of optical networks and characteristics and features of the FTTH networks. A detailed description of the passive optical networks is provided: e.g. the optical network unit ONU, the optic

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11

Tejkal, Vladimír. "Návrh optické přístupové sítě FTTx." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218198.

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The main goal of this diploma thesis was to implement the proposal of optical access networks in the selected location. Introduce is focused on the physical layer of network. This includes optical fibers, optical cables, connectors, optical splitters, and more. According to the place of termination of optical fiber will be studied best FTTx connections. According to network topology distinguished point to point and point to multipoint network. Networks points to point are also known as an active optical network and for each user are restricted to a separate fiber. Point to multipoint networks

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12

Holík, Martin. "Systém pro detekci rámce GPON." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377125.

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This diploma thesis deals with GPON frame detection system. Partial problems of designing databases, optical networks and management of database system are described in theoretical parts. Practical parts this thesis are focused on design of system for detecting GPON frames and script for analysing of traffic.

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13

Černý, Michal. "Optimalizace a měření parametrů PON sítě FTTx." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218961.

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Práce rozebírá současný vývoj na poli pasivních optických sítí a jednotlivé generace přenosových standardů. Podrobněji se zabývá parametry ODN, metodami jejich měření a volbou potřebných měření v praxi. Hlavní část práce je zaměřena na měření pasivního WDM prvku, kde je provedena analýza vstupů a výstupů, měření vložného útlumu a přelechů podle ORL na provozních vlnových délkách.

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14

Horváth, Tomáš. "Optimalizace služeb v optických přístupových sítích FTTx." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-320777.

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This thesis deals with an optimization of Triple play services and security in optical access networks. The first chapter provides theory basics which are necessary for results evaluation. The second chapter describes optical access networks with their parameters such as transmission speed, split ratio, line code, bit error rate etc. defined by ITU. Next chapter summaries the current state in optical networks construction field according to the European Union developing plan. The practical part of this thesis is divided into several subchapters. The significant part of the thesis is dedicated

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15

Kočí, Lukáš. "Vliv velikosti rámce na dělicí poměr v pasivních optických sítích XG-PON." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220381.

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The diploma thesis deals with the theoretical definition of passive optical networks, furthermore the description of methods of channel bundling in passive optical networks and the coexistence and migration between standards. The main essence of this work is the XG-PON (10-Gigabit-capable Passive Optical Network) standard. This standard is generally defined along with a description of the physical layer. The transport layer is detailed analysis. There is a description of conditions, under which the Optical Network Unit pass through, when is activated. Additionally, this diploma thesis focuses

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16

Gallo, Martin. "Posouzení vlivu dělícího poměru na pasivní optickou síť." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242101.

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This thesis deals with the most recent passive optical network standard NG-PON2, describes the sublayer model which includes error correction coding during propagation in optical fibres. Assesses the impact of split ratios using the simulation environment created from defined model and compares various scenarios. Discusses possible sources of errors of simulation model in compare to real deployment.

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17

Horský, Tomáš. "Rozšíření optického vláknového přenosového systému." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442378.

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The diploma thesis describes the elaboration of a program for the simulation of an optical transmission path. The work introduces the basic parameters of optical transmission, such as attenuation, dispersion and bandwidth. Furthermore, the techniques of line code and error detection are described in the work, especially a cyclic redundancy sum. The key parameter of this thesis is dispersion of the optical signal. The work includes the characteristics of the eye diagram and its analysis. The resulting program can also be used to measure the real transmission route and its parameters.

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18

Sikora, Pavel. "Vliv dynamického přidělování šířky pásma na koncové jednotky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-376996.

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This thesis deals with DBA algorithms used in XG-PON networks. It describes reference appearance of the DBA algorithm, as well as, three specific DBA algorithms discussed in professional articles. Particularly speaking about GIANT, HYRA and modified Max-Min Fair DBA. The thesis provides description of frames utilized by DBA algorithms in XG-PON networks, specifically XGEM frame and XGTC frames. The thesis also presents a simulation tester of DBA algorithms tested on a virtual XG-PON network. Finally, it contains the results of testing these DBA algorithms with a description.

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19

Ševela, Martin. "Komunikační protokoly v pasivních optických sítích." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219299.

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This master´s thesis explores a comparison of the transmission parameters in time division networks and wavelength division networks. The paper is divided into the three sections. The first part deals with preparation of individual standards time division networks and specific wavelength division networks, along with passive components used passive optical networks. The second part briefly describes the possibility of transmission of television signals in optical networks and the last part is devoted to simulating networks GPON and WDM-PON and comparison simulated values.

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