Presentation Wireless Team v2

Research Group of Wireless Technologies

Dr. Michal Ries

Research supervisor

www.urel.feec.vutbr.cz page 2

Introdution

The group of wireless technologies has 28 members with

following personal structure:

• Professors: 5

• Assoc. Professors: 5

• Assistant Professors: 2

• Assistants: 3

• Ph.D Students: 14

R&D activities are performed within 5 laboratories:

• Laboratory of Mobile Communications

• Laboratory of Digital Television and Radio Systems

• Laboratory of Radio Communication Systems

• Laboratory of Optoelectronics and Optical Communications

• Laboratory of Analog and Digital Systems

Laboratory of Mobile Communications


Team

Professors

prof. Ing. Stanislav Hanus, CSc.

Assistant Professors

Ing. Jan Prokopec, Ph.D.

Ph.D Students Ing. Lukáš Klozar

Ing. Jiří Miloš

Ing. Jiří Blumenstein


Research Topics

Measurement of the mobile networks performance

o Evaluation of the mobile network’s Quality of Service ,

o HSPA/HSPA+ data throughput performance tests,

o UMTS network optimization algorithms for call admission.

LTE Link level simulation

o Development and implementation of the LTE uplink link level simulator in

Matlab,

o Development of LTE-Advanced uplink simulator

Cross Layer optimization for mobile networks

o Simulation of the Application-aware Radio resource management for OFDMA

based networks with scalable video coding.

Coexistence of the Mobile networks and DVB systems

o Development of the methodology for measurement of the intersystem

interferences, simulation and testbed.


Research Projects (2009 - 2012)

o ARTEMOS - Agile RF Transceiver (ENIAC Joint Undertaking, 2011 -

2013) – supervised by doc. Kratochvíl (Laboratory of digital TV and radio

systems), Ing. Prokopec is task-leader for coexistence of the mobile

networks and DVB-T systems.

o HSPA+ network performance evaluation, contract for T-Mobile CZ, 2011.

o LTE link level simulator development, long term cooperation with TU Vienna

and T-Mobile CZ.

Laboratory Equipment

R&S®

SMU200A 3GHz Vector Signal Generator (IEEE 802.11a/b/g/n, GSM, UMTS, HSPA, LTE, fading)

R&S®

FSQ 8GHz Signal Analyzer (support of vector signal analysis,

EVM, MER and phase noise analysis, LTE and HSPA signal analysis and

evaluation)


Rohde-Schwarz ROMES measurement system • TSMQ radio frequency scanner, • Qualcom chipset based mobile device, • Nokia measurement phone, • Software options for GSM, UMTS, HSPA and LTE networks • Software Option for WLAN • Handover analyzer • Data quality analyzer



Other equipments

o R&S FSV Spectrum Analyzer with tracking generator (9 kHz – 3 GHz)

o R&S CMW 500 Communication tester with GSM, UMTS, WiMAX and WLAN

options

o R&S SMY CW signal generator

o Huawei GSM Base station connected to T-Mobile network

o several HP BL465c blade servers for Matlab simulation

Laboratory of Digital Television

and Radio Systems


Team

Assoc. Professors

Doc. Ing. Tomáš Kratochvíl, Ph.D. – head of the laboratory, senior researcher

Doc. Ing. Tomáš Frýza, Ph.D. – senior researcher

Assistant Professors

Ing. Martin Slanina, Ph.D. – junior researcher

Ph.D Students

Ing. Ladislav Polák

Ing. Ondřej Kaller

Ing. Libor Boleček


Research Topics

Digital Video Broadcasting - DVB-S/C/T/H/SH/S2/C2/T2/IPTV/3DTV

Digital Audio and Multimedia Broadcasting - DAB/DAB+/DMB

Mobile digital TV - video + audio + multimedia

3D HDTV, advanced profilometry and photogrammetry methods

Testing - Quality of Service (QoS) and Quality of Experience (QoE)

SFN networks monitoring and optimization, coverage measurements

Methodology and testing of TV receivers and A/V set-top boxes

Interferences in terrestrial video and audio broadcasting networks

Terrestrial mobile and broadcasting networks coexistence



ARTEMOS - Agile RF Transceiver (ENIAC Joint Undertaking, 2011 - 2013)

QUALEXAM - Quality of Experience aspects of broadcast and broadband multimedia services (MEYS of the Czech Republic, 2012 – 2014)

DEIMOS - Research and modeling of advanced methods of image quality evaluation (Czech Science Foundation, 2010 – 2014)

Our partners: TESLA Holding (CZ), Skoda Auto (CZ), CTU Prague (CZ), Centro de investigación TIC (Spain), TU Vienna (Austria)



Test and Measurements systems for Digital Video and Audio Broadcasting (mainly terrestrial DVB-T/H/T2 and T-DAB/DMB).

Rohde & Schwarz – SFU test systems, DVM400 and DVMD analyzers, ETL TV analyzer, DVRG recorder and generator, DVQ video quality analyzer, UHF and VHF generators and attenuators



Test and Kathrein – MSK33 and MSK200 - analogue and digital TV/SAT/A meters

Promax – Prolink 3 and 4+ - analogue and digital TV/SAT/A meters

3D HDTV capture and display technologies (Panasonic, Samsung)

Stereoscopic 3D HDTV cameras and projection, stereoscopic set-ups

Laboratory of Radio Communication Systems


Team

Professors

prof. Ing. Aleš Prokeš, Ph.D.

Assoc. Professors

doc. Ing. Roman Maršálek, Ph.D.

doc. Ing. Jiří Šebesta, Ph.D.

Ph.D Students Ing. Ing. Aleš Povalač

Ing. Martin Dušek

Ing. Jiří Dvořák

Ing. Lenka Zelinová


Research Topics

Spectrum sensing and cognitive radio

o development of the sensing algorithm based on energy evaluation,

cyclostationarity of signals or cyclic prefix detection.

o Implementation of spectrum sensing and allocation algorithms into FPGA.

RF power amplifier linearization

o Development and implementation of the linearization techniques based on

signal predistortion.

Radio Frequency IDentification (RFID)

o Research and optimization of the RFID localization techniques in UHF band.

o RFID tags evaluation and measurement.

o Implementation of RFID algorithms into SDR.

UWB channel modeling

o Modeling of UWB signal propagation in urban areas and buildings

o Optimization of positioning algorithms based on time of arrival technique


Research Topics

Masurement of UWB signal propagation and evaluation of the transmitter position

IFFT &

Hamming

window

Peak

detection

above

threshold

Calculation of

TX antenna

coordinates

using TOA

Saving

coordinates

into *.csv

file



o Algorithms and subsystems for software defined and cognitive multicarrier

radio. Project of the Czech Science Foundation. Reg. No: GA102/09/0776,

2009 – 2011, supervised by doc. Marsalek.

o Advanced methods, structures and components of electronic wireless

communication. Project of the Czech Science Foundation – doctoral project,

Reg. no. 102/08/H027, 2008 – 2011, supervised by prof. Prokes.

o OPTIMEX - Optical measurement of explosions. Project of the Technology

agency of the Czech Republic, Reg. No. TA02010923, 2012 – 2015,

supervised by doc. Maršálek


R&S®

SMU200A 6GHz Vector Signal Generator (support of MIMO 2x2, IEEE 802.16, IEEE 802.11a/b/g/n, LTE, 20 path fading)

R&S®

FSQ 3GHz Signal Analyzer (support of vector signal analysis,

EVM, MER and phase noise analysis)



R&S®

FSVR 13 GHz Real-Time Spectrum Analyzer (40 MHz BW; EVM, MER, phase noise, jitter and noise figure analysis)

TEKTRONIX 20 GHz Digital Serial Analyzer Sampling Oscilloscope with 80A07

Electrical Clock Recovery module (20 GHz optical and electrical input, jitter analysis)

National instruments PXI modular system for RF signal analysis • PC + PXI controler • RF front-end • Vector Signal Analyzer (20 GHz, BW: 50 MHz) • RAID array 12 TB for real time data recording • LabVIEW pro



Other equipments

o Tektronix DPO 7254 (2.5 GHz 40 Gsa/s) with electrical active probe TAP

2500 (2.5 GHz) and optical probes P6701B and P6703B (1 GHz)

o R&S FSL Spectrum Analyzer with tracking generator (9 kHz – 3 GHz)

o R&S SMIQ 02B Vector Signal Generator (300kHz - 2.2 GHz)

o R&S CMS50 Radiocommunication Service Monitor (0.4-1000 MHz)

o ELSY SG 2000 and RSG-1000 Signal generators (2 GHz, 1 GHz)

o SDR development kit Sundance SMT8036+SMT349 (2.4 GHz ISM band)

o SDR kits USRP2/N200/N210 with RF daughtercards

o High speed data acquisition and arbitrary waveform generator PCI cards

CompuScope 12400 and CompuGen 4302

Laboratory of Optoelectronics and Optical

Communications


Team

Professors

Prof. Ing. Otakar Wilfert, CSc.

Prof. Dr. Ing. Zdeněk Kolka

Prof. Ing. Aleš Prokeš, Ph.D.

Assistants

Ing. Lucie Hudcová, Ph.D.

Ing. Michal Kubíček, Ph.D.

Ing. Viera Biolková

Ph.D Students

Ing. Juraj Poliak


Research Topics

o Free-space optical wireless communications and techniques

o Atmospheric influence on the transmitted beam

o Study of variations of received optical power and beam intensity

o Mathematical description of physical influences on the transmitted beam (e.g.

diffraction, power losses on the transmitter…)

o Development of free-space optical wireless links for communication and

testing purposes

o Experimental measurements and analysis of the optical attenuation under

various atmospheric conditions and further synthesis in atmospheric model

development

o Optical spectroscopy



o Optical beams study for atmospheric static and mobile communications.

Project of Czech science foundation. Registration no: 102/09/0550, 2009–

2011.

o Effect of Propagation Impairments on Error Performance of Future Broadband

Terrestrial Wireless Systems. Project of Czech science foundation.

Registration no : P102/11/1376, 2009 – 2011.

o Hybrid Wireless Technology for Municipal Networks (MUNET). Project of

Ministry of Industry and Trade. Registration no: FR-TI4/148, 2012 - 2015

o OPTICWISE (Optical Wireless Communications – An Emerging Technology) .

European project COST IC1101. Started 2011.

o Optical Atmospheric Propagation Modeling (OPTAPRO) in frame of the COST

IC1101. Started April 2012.


Laboratory Equipment 1

Beam profile measurement

o 4 Optical Breadboards with Accessories

o IR Laser Beam Profiler (0.35μm - 1.5μm)

o Digital IR Viewers (0.35μm - 1.7μm)

o Fourier Spectrometers (0.36μm - 1.0μm,

1.5μm, up to several μm)

o Optical Power Meters (0.38μm - 1.8μm)

o Lasers, Laser Diodes, Detectors

o Heaters simulating turbulences in

atmosphere

o Fog chamber with fog generator

o SW – MATLAB, MathCad

o New – OTDR, Optical BERT, Tunable

o LASER (200 nm – 2 µm)

Optical spectroscopy



Milesovka (Donnersberg; 60 m)

Prague (750 m)

Brno (950 m)

Dual free-space optical link

o Two laser beams

o Custom wavelengths (e.g. 850 nm and 1550 nm)

o Management system

o Continuous power and BER monitoring

o Meteorological sensors

o Cameras



Hybrid FSO / RF link

FSO: 850/1550 nm

RF: 122 GHz

Current research

SM/MM fibers in FSO

FSO beams

Coding for hybrid links

o Modeling of near-field diffraction

o Optimization of system parameters with

respect to the optical intensity distribution at

the receiver

o Diffraction and attenuation due to beam

restriction at the transmitter side

Laboratory of Analog and Digital Systems


Team

Professors

prof. Ing. Lubomír Brančík, CSc.

prof. Dr. Ing. Zdeněk Kolka

Assoc. Professors

doc. Ing. Tomáš Frýza, Ph.D.

doc. Ing. Jiří Petržela, Ph.D.

Assistants

Ing. Michal Kubíček, Ph.D.

Ing. Roman Šotner, Ph.D.

Ing. Viera Biolková

Ph.D Students

Ing. Tomáš Götthans, Ing. Zdeněk Hruboš, Ing. Zdeněk Kincl,

Ing. Petr Štraus


Research Topics

Simulation and modeling of electronic circuits

o Modeling of mixed systems in the VHDL-AMS language

o Analysis of parasitic effects in nonlinear dynamical systems (chaos)

o Designing multifunctional electronic filters and oscillators

High-speed communication systems

o Analysis of interconnects and high-frequency circuits up to 20 GHz,

with the time-domain analysis also possible

o Analysis and optimization of high-speed serial links (design and testing

of high-speed transmission systems up to a bit rate of 16 Gb/s)

o Testing of devices for communication standards USB 3.0, HDMI, SATA,

and others

o Analysis and computer modeling of multiconductor transmission

structures


Research Topics

Design and implementation of special devices

o Design of apparatus concepts, schematics, printed circuit boards, providing

for the manufacture (PCB, mounting), designing and building a mechanical

construction, testing (functionality, parameters, EMC)

o Power supplies: design (circuitry, PCB), launching and testing

o Application of FPGA circuits: development, implementation and launching

of FPGA systems, a complete design of FPGA configurations

Application of multiprocessor systems

o Implementation of algorithms into microprocessor platforms

o Development of algorithms for multicore architectures

o Optimization of source codes with a view to computation severity and

memory demands

o Design and optimization of communication protocols with a view to the bit

rate, reliability and consumption

o Cognitive access to the transmission medium



o Symbolic and semi-symbolic methods for power and mechatronic applications.

Project of the Czech Science Foundation. Reg. No: P102/10/1665,

2010 – 2012, supervised by prof. Kolka.

o Research and development of control system for ground airport power unit.

Project of the Czech Ministry of Industry and Trade. Reg. No: FR-TI1/184,

2009 – 2011, supervised by prof. Kolka.

o Advanced communication systems and technologies. FP7 project. Reg. No:

FP7-230126, 2009 – 2011, supervised by prof. Kolka.

o Dynamical phenomenons in the electronic circuits: theory versus practice.

Project of the Czech Science Foundation. Reg. No: P102/09/P217,

2009 – 2011, supervised by doc. Petržela.

o Implementation of 9-channel remote-control digitizer. Contractor: ERA,

2009 – 2010, supervised by dr. Kubíček.

o Intelligent infrastructure for modern city. Project of the Technology Agency of

the Czech Republic, Reg. No: TA02030845, 2012 – 2014, supervised by

prof. Kolka.



o Research and development of key technologies for multistatic primary radar

as a replacement of primary active radars. Project of the Technology Agency

of the Czech Republic, Reg. No: TA02031288, 2012 – 2014, supervised

by dr. Kubíček

o Design and implementation of power supply for accurate magnetometer.

Contract for CSRC s.r.o, 2011, supervised by dr. Kubíček.



o Agilent E5071C ENA Network Analyzer, 4-

port Test Set, 300kHz - 20GHz,

with Bias Tees + options: • E5092A Configurable Multiport Test Set

• E5071C-TDR Enhanced Time Domain

Analysis

• E5071C-008 Frequency Offset Mode

• N4433A Electronic Calibration Module

o Tektronix MSO72004C Mixed Signal

Oscilloscope, 4 Channels, 20GHz,

50GSa/s + options

o Agilent E5071C ENA Series RF Network Analyzer, 2-port Test Set,

9kHz - 4.5GHz

o Agilent 54810A Infiniium Oscilloscope: 2 Channels, 500MHz, 1GSa/s

o General-purpose measurement system Metex MS9170 (function

generator, universal counter, laboratory power supply, digital multimeter)

Presentation Wireless Team v2

Documents

o development of lte

mobile networks o simulation

tmobile network o

dvb systems o development

o rs cmw

d students ing

laboratory equipment

ji milo ing