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Data transmission in GPRS and EDGE networks
Slovák, Jiří ; Ries, Michal (referee) ; Hanus, Stanislav (advisor)
The thesis is conceived as a part of the laboratory task innovation in subject Radio and mobile communications. The main part of the project is to create a complex GUI application in MATLAB programming environment that mediates measuring of bitrate in GPRS and EDGE networks, communication with used modem via virtual serial port and consists of other related functions. The problematics is at first described in detail on theoretical basis with special focus on physical layer of mobile technologies mentioned above. In practical part, there are briefly outlined mechanisms that were used during development. The following part consists of a detailed description of the application itself, created using gained theoretical knowledge.
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Software tester of embedded module communication based on AT commands
Kondr, Aleš ; Prokeš, Aleš (referee) ; Kubíček, Michal (advisor)
The graduation thesis deals with AT commands and the implementation of these in modules of wireless communication. These commands are mainly used for the obtaining and setting of different parameters of such modules. A form of the AT commands and a manner in which these are sent to modules are described. For selected wireless modules, there is a set of AT commands determined together with a brief description of the functions of these. A manner of creation of macroblocks for the TeraTerm program is also mentioned; macroblocks are able to establish communication with the module connected and allow for measurement and testing of communication appliances. This is suitable especially for the automation of such a process. As such a system (program) is not widely known, a thorough description of this system is given together with a description of measuring and testing macroblocks. The last part of the thesis deals with the creation of an application enabling the user to control quickly and easily an inserted appliance. A very detailed description of this application is given. Due to an absence of an advanced graphic interface, such an application has not been created by means of a system of macroblocks for the TeraTerm program, but it has been created in the JAVA programming language.
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Remote data acquisition with the help of GSM modems based on Open AT platform
Otoupalík, Pavel ; Koutný, Martin (referee) ; Šilhavý, Pavel (advisor)
This bachelor's thesis deals with remote data acquisition with the assistance of GSM modems based on Open AT platform. The result of thesis is the realized module which servers as a converter temperature to frequency. This module is connected with Wavecom Fastrack M1306B programmable GSM/GPRS modem. They are intended for temperature measurement from 0 to 40 °C together. With the assistance Open AT platform and C programming language were created two applications. The first application sends data as temperature, date and time on remote FTP server via GSM network as GPRS data. The results of measurement are displayed on website in form of the table and graph. The second application sends a temperature measurement data via SMS message as reply to SMS message.
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Security system with mobile phone communication
Ulbrich, Jakub ; Holek, Radovan (referee) ; Macho, Tomáš (advisor)
This thesis deals with the question of electronic security systems. In the forepart are described electronic security system components such as keyboards, detectors, alarm devices etc. Various methods of security or de-security of properties, trespassing and other events detection methods, and ways of alarm calling are described there too. The next part of the master’s thesis focuses on the construction of an alarm system which is designed for security of a common-size flat with one entry. The system manages to control up to four movement detectors. The operation of the system is handled by a 16 button keyboard, and easy orientation is provided thanks to a liquid crystal display. The alarm is signaled by an indoor alert siren, however, other alarm announcing devices with an input matched for the log. 0 or log. 1 reception can be connected too. The system contains communication equipment (mobile phone) which signals alarm at a distance to the three telephone numbers. User can use a distance control by text message to unlock system or to determine its status. The system is controlled by the microcontroller AVR ATmega16, the product of Atmel company. A brief description of all components of the electronic alarm system is included in this work.
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Position monitoring with the help of GPS/GSM modem
Zavadil, Miloš ; Vyoral, Josef (referee) ; Šilhavý, Pavel (advisor)
The first chapter of bachelor thesis is focused on theoretical explanation of the most important terms in Global Positioning System describing basic principles and position monitoring possibilities. The structure of the whole GPS system and its position setting accuracy is described further. The NMEA protocol used for transferring GPS information is shortly mentioned too. The second chapter deals with Open AT platform used for application development. It is a product of Wavecom company. The third thematic unit has already practical character. It shows the results of locating GenLoc25 modem by AT commands and decoding NMEA frame. Three variants of applications developed in Microsoft Visual C++ are described in the last chapter. All of them are used for position monitoring with GPS/GSM modem. The first program has the same functionality as the modem locating by AT commands. It is only for visualization of GPS information in Terminal window. The second application we can consider as the most important in this thesis. It contains all the items from the assignment. Actual data position is automatically sent to FTP server by GPRS transmission. The data are stored on this server. Received data are visualized in web browser by PHP script which is stored on server too. Final application is derived from the second one. The algorithm assumes that data are not sent to server regularly but transmission depends on human factor.
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Temperature measurement with data transfer via WLAN
Müller, David ; Číž, Radim (referee) ; Lattenberg, Ivo (advisor)
This diploma thesis deals with the design of temperature sensor and display units, which communicate via a WLAN network. The theoretical part provides an overview of various methods of temperature measurement including several specific types of temperature sensors, and also introduces the WLAN standard as well as TCP and UDP protocols. The design solution is focuses first on the system architecture and design of the communication protocol, followed by the implementation of both types of equipment, starting with selection of components, through design diagrams and printed circuit board patterns, up to production and commissioning. The following parts of this thesis deal with the design of programs for the controlling microcontroller units of both units and the configuration application for PC.
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Data transmission in GPRS and EDGE networks
Slovák, Jiří ; Ries, Michal (referee) ; Hanus, Stanislav (advisor)
The thesis is conceived as a part of the laboratory task innovation in subject Radio and mobile communications. The main part of the project is to create a complex GUI application in MATLAB programming environment that mediates measuring of bitrate in GPRS and EDGE networks, communication with used modem via virtual serial port and consists of other related functions. The problematics is at first described in detail on theoretical basis with special focus on physical layer of mobile technologies mentioned above. In practical part, there are briefly outlined mechanisms that were used during development. The following part consists of a detailed description of the application itself, created using gained theoretical knowledge.
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Position monitoring with the help of GPS/GSM modem
Zavadil, Miloš ; Vyoral, Josef (referee) ; Šilhavý, Pavel (advisor)
The first chapter of bachelor thesis is focused on theoretical explanation of the most important terms in Global Positioning System describing basic principles and position monitoring possibilities. The structure of the whole GPS system and its position setting accuracy is described further. The NMEA protocol used for transferring GPS information is shortly mentioned too. The second chapter deals with Open AT platform used for application development. It is a product of Wavecom company. The third thematic unit has already practical character. It shows the results of locating GenLoc25 modem by AT commands and decoding NMEA frame. Three variants of applications developed in Microsoft Visual C++ are described in the last chapter. All of them are used for position monitoring with GPS/GSM modem. The first program has the same functionality as the modem locating by AT commands. It is only for visualization of GPS information in Terminal window. The second application we can consider as the most important in this thesis. It contains all the items from the assignment. Actual data position is automatically sent to FTP server by GPRS transmission. The data are stored on this server. Received data are visualized in web browser by PHP script which is stored on server too. Final application is derived from the second one. The algorithm assumes that data are not sent to server regularly but transmission depends on human factor.
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Remote data acquisition with the help of GSM modems based on Open AT platform
Otoupalík, Pavel ; Koutný, Martin (referee) ; Šilhavý, Pavel (advisor)
This bachelor's thesis deals with remote data acquisition with the assistance of GSM modems based on Open AT platform. The result of thesis is the realized module which servers as a converter temperature to frequency. This module is connected with Wavecom Fastrack M1306B programmable GSM/GPRS modem. They are intended for temperature measurement from 0 to 40 °C together. With the assistance Open AT platform and C programming language were created two applications. The first application sends data as temperature, date and time on remote FTP server via GSM network as GPRS data. The results of measurement are displayed on website in form of the table and graph. The second application sends a temperature measurement data via SMS message as reply to SMS message.
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Temperature measurement with data transfer via WLAN
Müller, David ; Číž, Radim (referee) ; Lattenberg, Ivo (advisor)
This diploma thesis deals with the design of temperature sensor and display units, which communicate via a WLAN network. The theoretical part provides an overview of various methods of temperature measurement including several specific types of temperature sensors, and also introduces the WLAN standard as well as TCP and UDP protocols. The design solution is focuses first on the system architecture and design of the communication protocol, followed by the implementation of both types of equipment, starting with selection of components, through design diagrams and printed circuit board patterns, up to production and commissioning. The following parts of this thesis deal with the design of programs for the controlling microcontroller units of both units and the configuration application for PC.
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