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Implementation of the LTE Cat-M Technology for Smart Metering Scenarios
Tamentsev, Viacheslav ; Le, Dinh Thao (referee) ; Mašek, Pavel (advisor)
The Diploma work examines the feasibility of implementing Long-Term Evolution for Machine-Type Communications (LTE Cat-M) communication technology in Network Simulator-3 (NS-3) to provide massive Machine-Type Communication (mMTC). The paper analyzes the capabilities of cellular communication modules in the selected NS-3 simulation tool, including the LTE/EPC Network Simulator (LENA) module. In the theoretical part, it considers Low-Power Wide Area (LPWA) global networking technologies and their applications, including key aspects of the IoT Internet and Machine-to-Machine (M2M) communications. Special attention is given to analyzing the most common technologies in LPWA networks, such as Sigfox, Low-Power Wide Area Network (LoRaWAN), Narrowband Internet of Things (NB-IoT) and Long Term Evolution for Machines (LTE Cat-M). In the practical part, simulation scenarios are created to testing and comparing the performance of legacy LTE/LTE-A networks with focus on mMTC scenarios. The result is the determination that 4G networks are not suitable for these scenarios. Therefore, for such scenarios, the LTE/EPC Network Simulato Narrowband (LENA-NB) module is being used for modifications to the LENA module to meet LTE Cat-M requirements.
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Universal Tester for Verifying Industrial Internet of Things Communication Modules
Fabulec, Martin ; Paluřík, Pavel (referee) ; Mašek, Pavel (advisor)
The Master thesis is devoted to the verification of a platform for testing communication modules in the context of the Industrial Internet of Things (IoT). The aim is to provide an indepth analysis and comparison of modern Narrowband IoT (NB-IoT) and (LTECat-M), and determine their use in different IoT scenarios. Their commonalities are described as well as different parameters. The work includes a detailed investigation and evaluation of the available communnification modules, where the main focus is on their key parameters and differences. The thesis also focuses on the practical aspects of implementing and testing these technologies, the design of the BC660K-GL module and its subsequent functional verification. After functional verification, it was subjected to measurements focused on radio boundary conditions. The thesis opens the door to a better understanding and use of IoT technologies in industry and explores the challenges and opportunities presented by their rapid development.
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Intelligent Energy Measurements for Homeowners' Association Using 5G Networks
Horčička, Patrik ; Možný, Radek (referee) ; Mašek, Pavel (advisor)
Theoretical analysis of IoT communication technologies LPWAN. A more detailed analysis of 5G-IoT technologies in the licensed frequency band, such as NB-IoT and LTE Cat-M. List of supported application protocols for IoT devices (MQTT, CoAP, LwM2M, DLMS/COSEM) with more detailed information about DLMS/COSEM. Quectel UMTS \& LTE EVB kit with BG770A-GL module was used to create the first reference 5G-IoT device. Measuring of radio properties in two locations. Creation of TLS tunnel for communication between Virtual computer and RPI designed for DLMS/COSEM data.
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Implementation and Evaluation of the LTE Cat-M Technology Using the Network Simulator 3
Santa, Roman ; Komosný, Dan (referee) ; Mašek, Pavel (advisor)
Diplomová práca obsahuje teoretický úvod technológie LTE Cat-M. Prvá kapitola obsahuje opis generácií mobilných sietí s dôrazom na 5G mobilné IoT technológie. V druhej kapitole je popísaný proces štandardizácie Massive Machine-type Communication (mMTC) organizáciou 3GPP. Kapitola taktiež obsahuje aplikované IoT komunikačné scenáre a prehľadné porovnanie Low-Power Wide-Area (LPWA) technológií. LTE Cat-M technológia je stručne popísaná v tretej kapitole. Dôraz je kladený na fyzickú vrstvu a alokáciu zdrojov. Simulačné prostredie a použité moduly sú objasnené na začiatku štvrtej kapitoly. Štvrtá kapitola sa ďalej zaoberá popisom jednotlivých simulačných scenárov a výsledkami simulácií. Simulácie sú rozdelené na dve hlavné kategórie, simulácia počtu koncových staníc a simulácia spotreby energie s využitím režímu úspory energie (PSM).
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Laboratory exercises in NS3 enviroment for Advanced communication technology course
Vadkerti, Gabriel ; Mašek, Pavel (referee) ; Langhammer, Lukáš (advisor)
This master thesis deals with creating laboratory exercises for students in simulator NS-3, where the IPv4 and IPv6 protocols, unicast and multicast transmission types, quality of services in wireless networks, furthermore protocols TCP and UDP are analyzed. The first section describes the NS-3 network simulator, the Eclipse development environment and the method how to connect them. In the next section protocols IPv4 and IPv6 are presented, the structure of the headers and the technique of fragmentation are described in detail. Based on this a laboratory exercise is created which deals with comparison of protocols IPv4 and IPv6. In the next section the types of transmissions are described, furthermore the multicast transmission type is explained more in detail. In the next practical section the second laboratory exercise is created, which deals with comparison of unicast and multicast transmission types. The subject of the following section is ensuring quality of services in data networks, the EDCA access method is discussed more in detail. In the next section the EDCA access method is implemented in a simulation as a laboratory exercise, in which the impact of the access category of EDCA to different transmission parameters is investigated. The next section deals with protocols TCP and UDP, furthermore with the structure of their headers. In the last section a laboratory exercise is created, in which the properties of the protocols TCP and UDP are compared.
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Lighthouse for maritime communication
Chadima, Jan ; Mašek, Pavel (referee) ; Pospíšil, Jan (advisor)
This bachelor thesis deals with design and construction of lighthouse model, which will be used for teachning. It describes types of naval signalizacion, which are established by organization IALE in decree E-110. In thesis is described Arduino platform, metods of 3D printing and used materials For model needs was designed printed circuit board with microcontroller ATmega328P, which control RGB LED. Program, which control model, was writed on Arduino platform. Program has nine modes of sea light comunication. It can change periode, color of LED, brightness and turning on power saving mode. The result of this work is a functional model of lighthouse powerd by battery. Model is based on Green Cape Lighthouse in Australia in scale 1:58.
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Implementation of IoT communication technologies in NS-3 simulation tool
Rehberger, Marek ; Mašek, Pavel (referee) ; Juráň, Radovan (advisor)
The bachelor thesis deals in its theoretical part with LPWA communication technologies in the licensed frequency spectrum, specific technologies LTE Cat-M1 and NB-IoT. The theoretical part summarizes the terms concerning to LPWAN (Low Power Wide Area Network), licensed and unlicensed technologies, SmartGrids, NB-IoT and LTE Cat-M1. The use of LPWA technologies in the field of SmartGrids is described and the idea of Smart Metering in buildings is used in the work. Subsequently, in the practical part for the LTE Cat-M1 technology, the implementation of communication scenarios for data transmission within SmartGrids is performed using the tools Network Simulator 3 (NS-3) and the LENA module. The results of the simulations are clearly processed in the form of graphs and tables.
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Implementation of IoT Communication Protocols Utilizing UniPi Module for Raspberry Pi
Krejčí, Jan ; Štůsek, Martin (referee) ; Mašek, Pavel (advisor)
Presented diploma thesis is focused on the implementation of Wireless M-Bus protocol to embedded device RaspberryPi with expansion board UniPi. The protocol is implemented in Python with Wireless M-Bus devices communicating via IQRF transceiver connected to the UART bus. The theoretical part is focused on an overview of embedded devices for the IoT, the possibility of their expansion. Further, the UniPi expansion board and Wireless M-Bus transceiver are detailed. First part of the thesis focuses on the Wireless M-bus layers, which provides a basic knowledge for understanding the practical part. The theoretical part concludes overview of captured devices including a description of their data units. In the practical part is the implementation of the sample application for receriving data from a Wireless M-Bus sensors. The application is able to read data from devices transmitting encrypted communication.
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Signal propagation modeling for LPWA communication technologies
Pekárková, Kateřina ; Mašek, Pavel (referee) ; Možný, Radek (advisor)
At present, the area of LPWAN (Low Power Wide Area Network) wireless communication technologies is developing very dynamically, where the number of connected devices is rapidly increasing and thus the need to ensure implementation. An important part of the design and testing of a possible implementation of such an LPWA (Low Power Wide Area) network is the modeling of signal propagation in a given environment to ensure sufficient signal coverage. This work deals with the study of LPWAN wireless communication technologies operating in both the unlicensed frequency band and the licensed frequency band. In the practical part, the work focuses on the simulation of signal propagation using the simulation tool Wireless InSite, where the communication parameters were set according to WM-BUS (Wireless Meter Bus) technology.
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