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Original title in Czech: Elektronika a sdělovací technikaFEKTAbbreviation: PP-ESTAcad. year: 2012/2013
Programme: Electrical Engineering and Communication
Length of Study: 4 years
Profile
The doctor study programme provides the specialised university education to the graduates of the previous master study in electronics and communication technologies. The students are educated in various branches of theoretical and applied electronics and communication techniques. The students make deeper their theoretical knowledge of higher mathematics and physics, and they earn also knowledge of applied informatics and computer techniques. They get ability to produce scientific works.
Key learning outcomes
The doctors are able to solve scientific and complex engineering tasks from the area of electronics and communications. Wide fundamentals and deep theoretical basis of the study program bring high adaptability and high qualification of doctors for the most of requirements of their future creative practice in all areas of electronic engineering and communications. The doctors are competent to work as scientists and researchers in many areas of basic research or research and development, as high-specialists in the development, design, construction, and application areas in many institutions, companies, and organisations of the electrical and electronic research, development, and industry as in the areas of communication and data transmission services and systems, inclusively in the special institutions of the state administration. In all of these branches they are able to work also as the leading scientific-, research-, development- or technical-managers.
Occupational profiles of graduates with examples
The doctors are able to solve scientific and complex engineering tasks from the area of electronics and communication. Wide fundamentals and deep theoretical basis of the study program bring high adaptability and high qualification of doctors for the most of requirements of their future creative practice in all areas of electronic engineering and communications. The doctors are competent to work as scientists and researchers in many areas of basic research or research and development, as high-specialists in the development, design, construction, and application areas in many institutions, companies, and organizations of the electrical and electronic research, development, and industry as in the areas of communication and data transmission services and systems, inclusively in the special institutions of the state administration. In all of these branches they are able to work also as the leading scientific-, research-, and development- or technical-managers.
Guarantor
prof. Ing. Aleš Prokeš, Ph.D.
Issued topics of Doctoral Study Program
The aim of the project is in the solutions of amplifiers or multipliers in advanced classes E, F, G and other in the microwave band. These classes allow improving various parameters of standard circuits, such as efficiency, intermodulation level and others, depending on specific application. The change of parameters is done with the use of manipulation of harmonic frequencies of input signal. In the work it will be necessary to simulate those circuits, to realize selected designs and select proper methodology of measurements in the case of designed circuits.
Supervisor: Urbanec Tomáš, Ing., Ph.D.
At present, there are interesting MIO, discrete devices and new materials which allow to find solutions of microwave parts of the ground as well as the space segments on new principles. These are namely antenna feeds with integrated low noise amplifiers, power amplifiers, quadrature frequency converters, local oscillators with low phase noise, frequency filters, frequency synthesizers, modulators and demodulators. A part of the project will be studies of application possibilities, parameters analysis and designs of extensional units of a satellite communication chain.
Supervisor: Kasal Miroslav, prof. Ing., CSc.
Familiarize yourself with communication systems based on OFDM, CDMA and their combinations. Focus on the modulation parameters of these systems and their simulation in different transmission conditions (channels). During the solution, testing of communication system and any new proposals for each block (frame synchronization, frequency offset removal, channel estimation, etc.) is assumed on an existing simulation environment, cooperating with USRP hardware platform and the expansion of new blocks is considerted. Algorithms will be tested in Matlab, implementation of the simulator in C++.
Supervisor: Fedra Zbyněk, Ing., Ph.D.
The project is focused on the development and implementation of methods for symbolic and semisymbolic analysis of linear systems. The aim is to develop new methods for approximate symbolic analysis of large systems based on topological approach that respects physical relations in circuit. The method has a potential to provide simply interpretable results. It is expected the new methods will be used in the process of integrated circuit design. Part of the project consists in implementing of developed algorithms and their inclusion into the SNAP program.
Supervisor: Kolka Zdeněk, prof. Dr. Ing.
This theme is focused transmission analysis of the digital audio for portable and mobile terminals in DAB (Digital Audio Broadcasting) and DMB (Digital Multimedia Broadcasting). Prerequisite of the successful analysis is design of convenient simulation model of the transmission and digital modulation with optional parameters of each block and software application (Matlab). Model of the transmission channel should be designed with the possibility of multipath reception and selective fading simulation. The aim of the work is evaluation of the modulator and transmission channel parameters on achieved bit-error rate and quality of the transmission and multimedia services.
Supervisor: Kratochvíl Tomáš, prof. Ing., Ph.D.
Proposed project deals with estimation and analysis of glottal pulses in speakers using speech signal. The aim of this project is development and testing of special algorithms for estimation of the waveform of pulses generated by glottis during speaking. The analysis of estimated pulses will be oriented to selected factors useful for medicinal diagnostics. Development of algorithms will be based on robust DSP methods. In addition, some specific databases in realistic conditions will be created.
Supervisor: Sigmund Milan, prof. Ing., CSc.
The aim of the project is to develop methods of analysis of transient phenomena on general interconnects of the kind of coupled multiconductor transmission lines by means of FDTD (Finite-Difference Time-Domain) techniques. The interconnects can be nonuniform in general, with frequency-dependent parameters as well as under nonzero initial conditions. The solution should take into account not only nonlinear terminating networks but also possible nonlinearity of the interconnect itself. Proposed methods should be more accurate, faster and more generally applicable compared to methods available in a literature. An interested person is supposed to know techniques of programming in Matlab.
Supervisor: Brančík Lubomír, prof. Ing., CSc.
The aim of the project is to develop techniques of the analysis of stochastic changes of interconnects parameters in electronic systems on a basis of the theory of stochastic differential equations (SDE). The subject of the research will be devoted partly to the application of ordinary SDEs, useful to describe interconnects models with lumped parameters, partly to the study of the applicability of a partial SDEs theory, useful for continuous models based on the telegraphic equations. Proposed techniques will be compared with common analysis procedures (Monte Carlo, sensitivity analysis). An applicant is assumed to be interested in mathematics and programming in Matlab environment.
The stereoscopic systems have gained a strong market position in the recent year in the area of consumer electronics as well as digital cinema. Although such systems are widely used, effective instruments for a reliable analysis of the subjectively perceived quality are missing. The aim of the project is to explore the correspondences between the objectively measurable properties of video sequences, displays and other particular components of a 3D video system and the subjectively perceived quality and naturalness of the presentation. Ideally, a qualitative metric for 3D video could be developed, exploring the relation between the left- and right-eye images and estimating visibility of artifacts.
Supervisor: Slanina Martin, doc. Ing., Ph.D.
Systems for terahertz imaging require arrays of antenna elements, which exhibit the minimal mutual coupling. Antenna elements receive spatial samples of electromagnetic field distribution. Using these samples, we are able to reconstruct objects the wave is passing through. The dissertation is focused on the design and modelling of such antenna arrays. Implementation and measurements will be done in cooperation with Technische Universität Darmstadt.
Supervisor: Raida Zbyněk, prof. Dr. Ing.
Proposed project deals with fast keyword search in audio documents. The aim of this project is to identify the topic of a talk by means of simple keywords or phrases given by the user. The searching process is analogous to the search in textual files. An efficient detection of spoken keywords embedded in recorded continuous speech is based on pattern recognition approaches.
Requirement of effective utilization of radio frequency (RF) channels fed to the development of cognitive radio (CR), which can allocate free frequency bands, detect the parameters of transmitted signals in the occupied bands, etc. The CR can then be reconfigured (change the transfer protocol, modulation, bandwidth, etc.) in order to share RF spectrum without harmful interference with other users. The aim of the project is analysis and development of reliable and efficient spectrum sensing algorithms. The project will be dominantly focused on comparison and improvement of the known spectrum sensing methods typical for the non-cooperative systems (energy detection, cyclostationary detection, matched filter detection, etc) and on their optimization and combination for specific applications (mobile communications, sensor networks, etc). Some sensing techniques suitable for cooperative systems can also be investigated.
Supervisor: Prokeš Aleš, prof. Ing., Ph.D.
The project aimed at research and implementation of broadband communication techniques for hetero heterogeneous environment (PLC technology, ISM radio, GPRS, optics, etc.) in harsh environment. The goal is to propose methods, which allow combination of various transmission technologies with a high degree of reliability and robustness. Implementation of proposed methods is expected within the project (e.g. using FPGA). The research will be supported within a collaborative project with industry in the area of traffic infrastructure.
The project is focused on the analysis of non-standard electromagnetic environments for electromagnetic interference measurements. The analysis has to be focused on different measurement techniques and also some calibrations of the unknown environment. The main aim is to gain similar result of measurements in the uncertain condition as in the semi-anechoic chambers by special measurement setups and corrections. The analysis has to cover also full and semi-anechoic chambers and also reverberations and only shielded rooms.
Supervisor: Dřínovský Jiří, Ing., Ph.D.
This theme is focused on analysis of the SFN (Single Frequency Network) and MFN (Multi Frequency Network) broadcast networks parameters for digital terrestrial television and audio broadcasting according to DVB-T/H/T2 and DAB/DMB standards. The essential in the analysis is focus on coverage criteria of useful signal transmitters set and interference influence evaluation on signal coverage. Further analysis deals with time synchronization in networks, guard interval evaluation, according coverage evaluation and network design parameters optimization. The aim of the work is evaluation of the SFN and MFN networks parameters influence on required coverage and evaluation of the transmitter’s requirements.
Cross-Layer Optimization is different approach for communication than OSI model. Because of feedback between layer interface is possible to adjust system parameters for compensation of the actual channel conditions. These adjustment leads to eliminate outage of connection or packet loss. The goal of the project is to enhance state-of-the-art simulation tools for adaptation of performance due to channel conditions. The application part is transmission of the streamed video in LTE and LTE-A systems with adaptation of the source coder based on video quality evaluation and channel conditions.
Supervisor: Prokopec Jan, Ing., Ph.D.
In order to achieve the most reasonable trade-off between subjective quality and cost efficiency it is necessary to introduce economic traffic management of rich video services. Moreover, the user centric component must consider for the successful provisioning of rich video services. The following tasks are determined for this work: 1. SOTA study - technical conditions for provisioning of rich video services. 2. Determine the overall quality acceptability of rich video services. 3. Introduce economic traffic management for the rich video services.
Supervisor: Ries Michal, doc. Dr. techn. Ing.
The subject of this project is focused on research of methods for precise navigation above all for cars based on data fusing of a few independent sources: GNSS receiver, inertial systems (electronic compass, accelerometr, odometer, radar, camera system etc.). The goal of this work is effective fusing algorithm development for precise positioning and orienataion determination (extended Kalman filtering, neural networks) based on characterization of sensors. Results of this research will be used in future automatic parking systems and driverless cars.
Supervisor: Šebesta Jiří, doc. Ing., Ph.D.
This work is focused on high performance computing with help of CPU, GPU, and DSP. Within the scope of thesis, student will verify, adapt and prove modern methods of programming for multi-core systems, such as MPI, OpenMP, CUDA, etc. Mainly, effective programming for multi-core DSPs will be examined. Remark: Topic cooperates with the project of Simula Research Laboratory (Oslo, Norway) for image processing of the football match.
Supervisor: Frýza Tomáš, doc. Ing., Ph.D.
The project is focused on the analysis of three-phase (or multiphase) EMI filters. The analysis has to be focused on the uncertain impedance termination of the EMI filters. The termination has a dominant influence on the filter's insertion loss and also on so call "worst-case" performance. The results will be checked by a lot of measurements and also several mathematical analyses. For these analyses will be designed accurate filter's models.
The aim of the project is area of imaging systems, which use the vector network analyzer. The work deals with methods used in 2D up to 4D imaging systems, studies their features, restrictions and methods of their creations. In the practical part it will lead to realization of perspective system in laboratory and study of dealing with measured data will be done to produce the imaging solution. Practical use is directed to ground penetrating radar or microwave tomography.
Standard of 4th generation mobile communication system LTE Advanced is prepared with emphasis to provide high speed wireless services with maximum bitrate up to 1 Gbps. System will provide several new types of services, such as Device2Device (Relay) communication. The thesis is focused to development of complex simulation link and physical layer model of LTE Advanced standard for downlink and uplink transmission. Developed simulator should include several modes of Device2Device communication and various channel models. Cooperation with TU Vienna is assumed for project solution.
The subject of this project is research of influence of the optical beam coherence and polarization with given wavelength on the quality of signal transmission in conditions of turbulent atmosphere. Atmospheric turbulence produces received power fluctuations and deteriorates the BER of a link. The aim of the project is proposal for measuring of the beam coherence and polarization so that it is possible to investigate the link transmission quality dependence on such parameters. The design and realization of a testing optical transmitter is a part of the project.
Supervisor: Wilfert Otakar, prof. Ing., CSc.
As part of the project, it is necessary to explore the possibility of compressing the image signal using the 3D-DCT transform. On the basis of the data obtained, an optimum compression method will be drawn up that would be appropriate to implement in the digital signal processor. The project will result in the verification of the possibility of compressing image signal using the 3D-DCT transform in real time.
Supervisor: Hanus Stanislav, prof. Ing., CSc.
The subject of this project is focused on research for methods and hardware systems for precise localization of wireless sensors in networks. The goal of the research is analysis of current methods and their optimzation with application in millimeter bands (MMID), eventually sub-millimeter bands, using UWB signals. Topic of the project includes an effective cooperation of multi-sensor systems (proper protocols, Kalman filtering). Systems for precise positioning of robotic machines, patient localizations, drivers in a car detection, or accurate localization of RFID tagd are objective applications of this research.
The project aims to design, validate and optimize a method for signal separation in the multilateral receiver into components originating from different aircraft transponders. After studying multilateral system and theoretical analysis of the received signal decomposition methods for processing and evaluation of overlapping (garbled) signals will follow the design, verification and optimization algorithm in MATLAB, including an evaluation of real data. Optimization will focus on reliability and efficiency of the algorithm with an emphasis on implementation options in the signal (or ARM) processor in real time.
Nowadays, the technology of substrate integrated circuits is a promising solution for the development of microwave components. This project is focused on the research of the antennas and passive circuits based on substrate integrated waveguides for the band of centimeter and millimeter waves. The main attention of the project is concentrated on the original design of radiators and their coupling with the substrate integrated waveguide. Further attention should be focused on passive circuits connected to the antenna, and transitions between substrate integrated waveguides and conventional transmission lines and waveguides.
Supervisor: Láčík Jaroslav, doc. Ing., Ph.D.
Apart from continuous improvement of video coding tools based on block prediction and transform coding of difference block, brand new approaches to video coding are being employed. One such example is the distributed video coding, in which a simple encoder with low computational complexity is used and quality improvement is achieved at the receiver side by statistical analys of the received data. The aim of the project is to explore the capabilities of new coding algorithms and propose means of practical usage of thir principles in real applications.
The aim of the project is range measurement according to time delay of signals via active transponder on measured object. The work deals with modulation and code sequencies selection, and with suitable ways of measurement handling. Following the measurements from more different stations, it is necessary to do proper synchronization of their measurements to be able to obtain position in the 3D space. The work is aimed at simulations of problematics in Matlab and practical measurements via active satellite transponders.
Microwave imaging is a relatively new alternative to X-ray examinations. In order to create tomographic images from microwave measurements, a non-linear inverse problem has to be solved. Inverse problems are dominantly solved by gradient and Newton methods. The project is focused on a potential exploitation of global optimization techniques for the solution of the inverse problem.
Optical wireless communication belongs to the new and prospective communication technologies. Optical transmission quality is given by special optical beam characteristics and properties of the atmosphere in which optical beam is transmitted. The project is focused on investigation of atmospheric influence on the optical link with given parameters. A program elaboration for the atmosphere in given locality and the optical link with given parameters are parts of the project. Synthesis of both models produces a complex model of the wireless optical communication showing an optimal choice of link parameters that are for link design in given locality needed.
4th generation LTE Advanced standard is designed to achieve throughput up to 1 Gbps at wireless interface. The carrier aggregation technique is one scenario to gain high throughput values. The carrier aggregation brings channel bandwidth up to 100 MHz in various frequency bands. The goal of the project is to design algorithms for radio resources allocation in multiple frequency bands simultaneously. The algorithms will be based on estimation of time and frequency dispersion and selectivity of radio channel. Results of channel estimation will be passed to optimization process of the radio resources allocation in higher layers of network model.
Machine2Machine Communication is related to Internet of Things. The topis is focused on research at area of short range wireless transmission with low power requirements, high throughput and higher level protocols optimized for high speed connection setup. Control protocols must be defined to cooperate with physical layer related protocols and setup session parameters due to conditions on the air interface (Cross layer optimization). The goal of the thesis is research and development of protocols for cross-layer optimization based on wireless channel conditions.
In terms of project it is necessary study possibilities of perspective WiMAX system with a view to his physical layer. After creation of physical layer model in MATLAB programme it is necessary to search influence of radio environment (C/N, C/I ratio etc.) on transmission quality (BER) by the simulation. Attention must be concentrated on investigation of coexistence between WiMAX system and other systems working in same or near frequency bands. The aim of this work is determine recommendation for operation of the system and network, to be quality of transmission was the best.
Reception of spacecraft signals is characterized by very low Eb/N0 ratio. That is mostly concerned with phase shift keying of a carrier or sub-carrier. Reduced bandwidth is applied for AWGN elimination as the spacecraft distance increases. In this connection there is an interesting problem of instrumental phase noise influence. The goal of this project is to find models of real systems and their experimental verification.
With the increasing diversity of equimpent, capable of receiving, decoding and presenting a compressed digital video signal, techniques are required enabling efficient coding and transmission for a variety of devices with different bitrate and quality constraints. One solution can be the scalable codecs, which allow for decreasing the bit rate and quality just by discarding a part of the transmitted data. The aim of the project is in particular the optimization of the lower quality bit stream selection mechanism and integration of scalable techniques in non-scalable codecs.
At present, wireless communication systems solution is mostly based on digital signal processing. Software Defined Radio makes use of universal programmed hardware for near to optimal signal processing. Goal of this project is search and evaluation such algorithms for receiving part of the satellite communication systems ground segment.
The aim of the doctoral thesis is QoE evaluation as perceived by the user in his natural environment. Modeling of the real world conditions in the laboratory is often inefficient and expensive. Recently, new methods for investigation quality of experience at the end user side have been introduced. In this thesis student should investigate the problematic of performing subjective assessments in crowdsourcing domain and importance of proper filtering of unreliable users from the overall results. Furthermore, to propose statistically effective methods for increasing reliability of QoE studies with different approaches.
The project is focused on developing novel or innovative numerical techniques for evaluation of inverse Laplace transforms of functions of single and multiple variables, being accurate and fast enough for purposes of computer simulation in electrical engineering. The methods are still sought after on a world-wide scale, not only in the electrical engineering, but also in another fields of science where systems of ordinary or partial linear differential equations are solved. Multidimensional inverse Laplace transforms, in conjunction with Volterra series theory, can also be used for weakly nonlinear systems solution. As a part of the project, searching effective programme algorithms is also required, therefore knowledge of programming is needed at interested persons (Matlab).
The research will be focus on analyzing and assessing the quality of spectrogram/scalogram estimation through the Monte Carlo simulations and the formulation of recommendations for working with the methods of estimating frequency and time-frequency structure of the data. The aim will be to assess chosen methods in terms of its ability to best estimate the spectrogram, and to compare methods based on the results to formulate recommendations for application of methods. The methods will be applied first to the simulated signal. Subsequently, the application will be proceed on real data sets. In this context will be investigated applications in various areas (communication and analysis of radar signals, econometric and biomedical data), and also in terms of the appropriateness of the methods with respect to the sample size of the data file.
Supervisor: Dluhá Jitka, doc. RNDr., Ph.D.
Ultra wide-band (UWB) technology is considered to be a suitable candidate for many applications in area of data transmission or positioning due to its wideband nature. Utilization of this technology requires the knowledge of the specific channel properties in frequency band from 3.1 GHz to 10.6 GHz. The aim of the project is research of the UWB channel properties and creation of UWB channel models for specific applications in area of positioning and data transmission in outdoor and indoor environments and in vehicle interiors. Utilization of these models is assumed for applications of sensor networks in vehicles, for WPAN multimedia communications, positioning of the cars in a parking lot, or for application of the car to car communication (Car-2-Car technology).
This theme is focused on processing and transmission analysis of the digital television in the Internet TV networks (Internet TV, Online TV, Web Television, IPTV etc.). These networks deal with compressed video and audio and generic data and its delivery over IP networks - both free broadcast and on demand services. The topic also covers elements which facilitate the connection of the receivers (STBs) to the IP network, support for content downloading and recovering of packet errors. The aim of the work is analysis and evaluation of the Internet TV system parameters on achieved bit-error rate and quality of the transmission and video and data services.