National Repository of Grey Literature 27 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Wireless sensor networks for environmental monitoring
Mizera, Josef ; Červenka, Vladimír (referee) ; Morávek, Patrik (advisor)
his work is focused on usability of wireless sensor networks for monitoring environment. Wireless sensor networks are used more and more for this purposes. This technology has great advantages in comparison with cable networks, mainly in difficulty of their realization. This work contains a description of wireless sensor networks, norms and specifications used for these networks. Requirements on software processing data from sensors and how the signal is distributed. There are examples of applications where wireless networks are used. The reasons why these networks began to be used and in what way they eased the work in such area or problems that are solved by these networks. In the last part of my work is a design of application for monitoring of forest fires in area of Komonec by using wireless sensor networks where it should be beneficial.
Wireless sensor network configuration
Minár, Tomáš ; Botta, Miroslav (referee) ; Morávek, Patrik (advisor)
This bachelor’s thesis is dedicated to wireless sensor networks in terms of energy consumption of operating systems. Requirements and configuration principals to assure low energy consumption and effectiveness of sensor nodes are discussed in more detail. This document should serve as an introduction to wireless sensor networks and provide a reader with information about commonly used standards, their differences and field of application. Three most widely used operating systems: TinyOS, Contiki and BitCloud are described and used in practical experiments. The practical part deals with configuration of IRIS sensor node in those operating systems. This part compares the influence of different configurations on energy consumption.
Range measurement in wireless networks
Zikmund, Lukáš ; Šimek, Milan (referee) ; Morávek, Patrik (advisor)
This bachelor thesis is focused on possibilities of distance measurement in wireless sensor networks. It describes various methods, compares their advantages and disadvantages and their potential applications in the real world. A part of this work presents a real measurement using product solution Cricket and IRIS. It compares their advantages and disadvantages and applicability in the real environment.
Range measurement in wireless networks
Zikmund, Lukáš ; Šimek, Milan (referee) ; Morávek, Patrik (advisor)
This bachelor thesis is focused on possibilities of distance measurement in wireless sensor networks. It describes various methods, compares their advantages and disadvantages and their potential applications in the real world. A part of this work presents a real measurement using product solution Cricket and IRIS. It compares their advantages and disadvantages and applicability in the real environment.
Impact of Superframe Size on Communiation Quality in Wireless Ad-hoc Networks
Hladil, Michal ; Morávek, Patrik (referee) ; Šimek, Milan (advisor)
The bachelor thesis deals with the analysis parameters of the superframe in wireless sensor networks. There is created a simulation model studied the influence of the basic parameters of the transmission network in various configurations. The result is the comparison of the resulting values and proposal of optimal parameters of the superframe for the most efficient operation in the proposed network.
Localization in Wireless Energy-Constrained Networks
Morávek, Patrik ; Vozňák, Miroslav (referee) ; Křepelka, Václav (referee) ; Komosný, Dan (advisor)
Tato disertační práce se věnuje lokalizaci v bezdrátových sítích se zaměřením na odhad vzdálenosti. Lokalizace je v bezdrátových sítích s mobilními ale i statickými uzly důležitým procesem, neboť znalost pozice uzlů může být během provozu sítě dále s výhodou využita. V práci je prezentována nová metoda odhadu vzdálenosti na základě měření síly přijatého signálu. Navržená metoda je postavena tak, aby s co nejnižšími energetickými náklady dosáhla požadovaného stupně přesnosti i ve značně odlišných rádiových podmínkách. Před návrhem vlastní metody byla provedena experimentální analýza spotřeby anergie a šíření signálu s jeho využitím pro lokalizační účely. Na základě provedené analýzy byla navržena nová metoda (Adaptabilní energeticky nenáročná metoda odhadu vzdálenosti), která byla následně ověřena v simulátoru a experimentální síti za reálných podmínek.
Synchronization system in IP based networks
Ličko, Stanislav ; Hošek, Jiří (referee) ; Morávek, Patrik (advisor)
The Bachelor’s thesis is focused on multi-user and distributed data synchronization in local and public networks, using the Linux operating system. The author deals with labs exercises that are devoted to data synchronization and data backup with Subversion and rsync. The Laboratory exercises will be used in the subject called Network Operating Systems.
802.11n and 802.11e standards for wireless networks
Novák, Ondřej ; Morávek, Patrik (referee) ; Růčka, Lukáš (advisor)
This bachelor thesis is focused on broad issue of wireless network standards. It theoretically describes the most famous standards of IEEE 802.11 group, functions and behavior. It also closely analyzes the new standard 802.11n and the specification of 802.11e, WMM. The paper includes a report of practical tests of standards 802.11n and WMM, which serves for an objective appreciation of capabilities of these norms.
Routing protocols metric determination in wireless sensor networks
Dušek, Martin ; Šimek, Milan (referee) ; Morávek, Patrik (advisor)
This bachelor’s thesis deals with wireless sensor networks (WSNs) in terms of routing protocols and metrics. There is described common view on these networks and their comparison with IP networks. In addition, some types of protocols, used in WSNs, are described and representatives of each type are included. There is also considered influence of metrics on a route selection and presented two methods of calculation. In conclusion, an application, that simulates the use of each type of metrics for path search and displays the differently evaluated paths, is designed.
The Application of Fuzzy Logic for Rating of Suppliers for the Firm
Kučerka, Daniel ; Morávek, Patrik (referee) ; Dostál, Petr (advisor)
This diploma thesis deals with the process of company supplier selection in the florist Dagmar. Several methods solving similar problems with different tools have been described. The group of potential suppliers has been introduced and their most important features summarized for the purpose of this work. The main part is focused on the evaluation of the suppliers according to specified metrics by the method using fuzzy logic and Matlab simulation tool. The results of this work leads to suggestion of the supplier most suitable for florist and its business strategy.

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3 Morávek, Pavel
10 Morávek, Petr
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