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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Distance measurement by ZigBee technology
 Čepl, Josef ; Šporik, Jan (referee) ; Hanák, Pavel (advisor)
The master's thesis deals with problems which is associated with rough detection of distance between wireless modules based on ZigBee technology. In the first logical part it theoretically describes this technology and their characteristics. This section gives basic informations needed to understand the operation of wireless communications and also acquaint him with some of the terms from this sphere. Next thing is description of the medium access together with a detailed description of functions that are crucial for deter-mining the signal strength. The second part is devoted to describe the 1321XDSK-BDM development kit. Another section is devoted to the design of the user's interface for displaying measured data. It consists of a theoretical design, which describes the initial vision of the device accompanied by solution of communication between wireless module and the proposed device. Follows the design of the involvement in Eagle software and explanation of the various components. In the last two chapters of the whole logical structure is described construction of the device and simple user's guide. The following chapter talks about the selection of suited application, necessary changes and own implementation of source code. There is even a description of important features and components of the application. The penultimate chapter contains a distance measurement in terrain using wireless modules and designed device. Here are tested different influences on the final distance measurement accuracy. In conclusion there is a debate over the results achieved. Particular, this section includes an assessment of precision measuring methods and evaluates aplicability of this method in practice.
Detailed record
Distance measurement by ZigBee technology
 Čepl, Josef ; Šporik, Jan (referee) ; Hanák, Pavel (advisor)
The master's thesis deals with problems which is associated with rough detection of distance between wireless modules based on ZigBee technology. In the first logical part it theoretically describes this technology and their characteristics. This section gives basic informations needed to understand the operation of wireless communications and also acquaint him with some of the terms from this sphere. Next thing is description of the medium access together with a detailed description of functions that are crucial for deter-mining the signal strength. The second part is devoted to describe the 1321XDSK-BDM development kit. Another section is devoted to the design of the user's interface for displaying measured data. It consists of a theoretical design, which describes the initial vision of the device accompanied by solution of communication between wireless module and the proposed device. Follows the design of the involvement in Eagle software and explanation of the various components. In the last two chapters of the whole logical structure is described construction of the device and simple user's guide. The following chapter talks about the selection of suited application, necessary changes and own implementation of source code. There is even a description of important features and components of the application. The penultimate chapter contains a distance measurement in terrain using wireless modules and designed device. Here are tested different influences on the final distance measurement accuracy. In conclusion there is a debate over the results achieved. Particular, this section includes an assessment of precision measuring methods and evaluates aplicability of this method in practice.
Detailed record

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