National Repository of Grey Literature 151 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Mobile IPv6 in OPNET Modeler
Žáček, Martin ; Růčka, Lukáš (referee) ; Skořepa, Michal (advisor)
Master’s thesis includes knowledges about mobility support in IPv4 networks and studies abilities for mobility support in IPv6 networks. Describes protocols for mobility support, their functions and topologies like MIPv6 (RFC 3775), FMIPv6 (RFC 5568), HMIPv6 (RFC 5380) and F-HMIPv6. The thesis contains a design of the simulation MIPv6 in the OPNET Modeler program and the measured results are explained. There are analysis of source code for mobility support in MIPv6 too, which were used for design a new protocol according to FMIPv6 in the OPNET. The following parts of the proposal have been successfully resolved. The link-layer events detection, which triggers FMIPv6 protocol and implementation of two new types of messages, RtSolPr and PrRtAdv. Knowledges from this thesis could be used for next development of FMIPv6 in the OPNET. But could be used for generaly development new protocols working at network-layer too.
Mobile Machineries Used for Grinding of Aggregates and Recycled Materials from Building Waste
Hurník, Štěpán ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
This bachelor´s thesis is the introduction to the problem of grinding natural materials and recycling building waste by mobile crushing machinery. The first part of work includes a detailed description of crushers themselves and differences between them. Next basic machine development is dealt with, as well as questions evoked by this topic. These questions are concerned with the mobility and problems of recycling. Further, there are current market offers for the preformance given. It deals with the parameters of the individual machines, on which their mutual comparison is given and displayed in graphs. The final part of the thesis consists of the general evaluation of machines for the above-mentioned purposes from different points of view: comparsion, market supply and a careful view into the possible future progress.
Chromium and chromium species cycle in environment
Nevrlá, Jana ; Sommer, Lumír (referee) ; Dočekalová, Hana (advisor)
This work focuses in the first theoretical part mainly on the possibility of entering various forms of chromium into the environment, their accumulation and transformation in environmental compartments. There are also described methods of sampling for analytical determination of chromium, the type of treatment of these samples and the most analytical methodologies for the determination of chromium in the oxidation stage III and VI. The experimental part is focused on the quantitative determination of Cr(III) and Cr(VI) in waste water, taken from the neutralizatoin station of the Chemical faculty of Brno University of Technology, by using selected spectrophotometric methods and the obtained results are compared with the results of analytical determination of total chromium by atomic absorption spectrometry.
Network mobility in Mobile IP
Havelka, Michal ; Novotný, Vít (referee) ; Skořepa, Michal (advisor)
his semestral thesis is focused on issue network mobility (NEMO) beeing extension of protocols Mobile IPv4 and Mobile IPv6. It describes basic principle function of protocols Mobile IP, defines differences between mobility of nodes and mobility of network and suggest various situations, which may occur in combination these two protocols. Further, it describes differences between basic protocol network mobility (RFC 3936) for IPv6 and it’s extension (RFC 5177) for IPv4. Practical part of work consist in simulation network mobility in application OPNET Modeler and discussion of results, which has been discovered on the base of this simulation.
Determination of hazardous elements in soils with different anthropogenic contamination using sequential extraction analysis
Židek, Michal ; Sommer, Lumír (referee) ; Doležalová Weissmannová, Helena (advisor)
This diploma thesis deals about determination of hazardous elements and their mobility in soils from Brno and Ostrava. For extraction of soil samples was used sequential extraction by Tessier and BCR sequential extraction. Extraction by nitric acid was also used. Mercury was determinated by the advanced mercury analyser AMA 254. Lead, copper and zinc were determinated by the flame atomic absorption spectrometry. Cadmium and vanadium were determinated by the electrotermic atomic absorption.
Railway (flexible space)
Smržová, Kristýna ; Štěpán, Marek (referee) ; Mléčka, Jan (advisor)
Finding new use for the existing railway tracks, which prove themselves as one of the best ways to carry heavy or sizable load. Therefore they have an ability to carry a space. Verification of merging railway with everyday life. Design of a modular units and modifiable structures. Utilization of modern technologies. Demonstration of a proposal of a design using typical examples of railway structure and its surroundings. Taking advantage of railway tracks, unused train stations, neighboring unused industry grounds etc. Description: New possibilities of using railway tracks and surrounded unused sites. Design of modular structures adapted according to selected areas. Utilization of modern technologies.
Hranice – redefinition of urban structure
Uherková, Ivona ; Ryšavá, Hana (referee) ; Ponešová, Barbora (advisor)
The diploma thesis Park and Ride deals with the design of a car park in the town of Hranice, which is known mainly for its important transport train node and Hranice Abyss. The city now suffers from the high intensity of car traffic in the city center due to insufficient street network. This network is disrupted by a four-lane road that was built in the 1980s and cut natural transport links. The abolition of the four-lane road, which is now lacking in transport services, releases a large amount of development area, which is primarily used as an agri-recreational area. Part of this green belt is the parking house, which prevents the entry of surplus cars into the city center. The parking house is a new transport hub of the city, which also includes elements of alternative transport - transfer to public transport or bicycle, which makes it possible to create a city center pleasant for pedestrians.
Mobile Wood Splitter
Stuchlík, Jakub ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
This bachelor´s thesis deals with the issues of the mobile wood splitter. The first part describes the basic division of splitters in the market. I am going to choose the most suitable solution for my assignment. In the second part I am going to focus on the calculation of strength and checking of chosen type of the splitter.
Powertrain Vibration Solution using Computational Modelling
Zubík, Martin ; Prokop, Aleš (referee) ; Novotný, Pavel (advisor)
The thesis solves vibration of simple combustion engine model as a basic step for evaluating the noise of engine. On the basis of computational model realized in software MBS ADAMS, which contains all significant input parameters, there are found normal velocities of the one cylinder four stroke engine block surfaces. The outputs are then processed into the integral characteristics that define the level of possible emissions for whole acoustic spectre. Two variants of the engine block were solved and in the end the summary of solution approach was made.
Analysis of Quality of Service Assurance in Wireless Networks
Hornyak, Tomáš ; Kouřil, Jiří (referee) ; Hošek, Jiří (advisor)
This Bachelor thesis deals especially with possibilities of quality of service assurance and mobility implementation in wireless networks. It deals primarily with the possibilities of the IEEE 802.11e standard, with the applicability of the Mobile IPv4 protocol and with the computer simulation of their mutual coactions in the OPNET Modeler 12.0 environment. In the first part of the thesis the standard IEEE 802.11e is first of all analysed from the theoretical point of view. It is followed by the detailed description of the IEEE 802.11e standard, its individual parts and implementation possibilities of advanced technologies of the access to the medium which are included in the standard. In this part even the individual advantages and disadvantages of the original access methods of wireless networks of IEEE 802.11 standards are briefly outlined. Further part of this work deals with the theoretical analysis of mobility service assurance in the IP networks and with the mobility implementation in individual layers of the ISO/OSI models. Then the Mobile IPv4 protocol is presented here that carries out the mobility in the IP networks. The principle of this protocol is mentioned here and its individual components and the network architecture are presented. In the next part, on the basis of theoretical pieces of knowledge in the environment of the OPNET Modeler simulation tool the effect of the standard IEEE 802.11e implementation is examined on the selected statistics of the wireless local network. Furthermore the effect of the load in the network is followed up and standard modifications are discussed here to reach optimum results. The last part deals with the computer simulation of the Mobile IPv4 protocol in the wireless networks. Then the support of the IEEE 802.11e standard is implemented into the functioning network model and the reciprocal coactions of both technologies and a possible appearance of any problems are examined. For comparison, it is here in the OPNET Modeler environment even the mobility simulated which is based solely on the link layer.

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