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Page 1 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Fachgebiet Hochfrequenz- und Mikrowellentechnik www.tu-ilmenau.de/hmt
Portrayal of the RF & Microwaves Research Laboratory at Ilmenau University of Technology
H. Bayer, K. Blau, S. Butt, K. Brückner, C. Hartmann, G. Hippel, M. Huhn, S. Humbla, S. Kaleem, A. Krauß, N. Murtaza, S. Rentsch, F. Scotto di Clemente,
E. Serebryakova, R. Stephan, J. Trabert, G. Vogt, F. Wollenschläger, M. Zocher
M. Kummer, H. Loele, G. Fuchs, M. Hein
Page 2 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
• The University
• Department and Institute
• HMT Research Laboratory
• Infrastructure
• Ongoing research activities
• Useful information
Content of the presentation
More details available at: www.tu-ilmenau.de
www.tu-ilmenau.de/hmt www.tu-ilmenau.de/init
www.mobilitaet-thueringen.de
Page 3 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Region of Ilmenau Half-way Frankfurt-Dresden, Berlin-Munich 40 km south of Erfurt Ilmenau ≈ 27,000 population (plus 6,400 students)
Ilmenau University of Technology
Ilmenau University of Technology www.tu-ilmenau.de
Page 4 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
24.06.1894 Contract signed for the foundation of the Thüringisches Technikum Ilmenau
1926 Thüringisches Technikum renamed as Engineering School 1950 The Engineering School acquires the title of Training
College for Electrical and Mechanical Enginering (until 1955)
16.09.1953 HfE, THE Hochschule für Elektrotechnik, is opened. Matriculation ceremony for 268 students.
14.10.1963 The GDR Minister‘s Council confers status of Technische Hochschule (TH) on the HfE
08.07.1992 The Thüringen Universities Act is passed in the Thüringen Parliament and the TH becomes Ilmenau University of Technology
27.05.2011 50th anniversary of Microwave Research in Ilmenau
117 years of tradition in engineering sciences
Ilmenau University of Technology www.tu-ilmenau.de
Page 5 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Curie
The campus
Röntgen
Kirchhoff
Helmholtz
Newton
Ernst-Abbe-Centre
Feynman
Leibniz
Faraday
Refectory
Zuse
Humboldt
Meitner
Photographs: TU
Ilmenau
Page 6 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Numbers and facts People • 6,440 Students, about 640 from abroad • 1570 Freshers • 84+12 Professors (Junior and foundation professors) • 540+630 Staff (Non/scientific)
Academic Education • 36 Study courses (Bachelor and Master) • 3 International Master courses (partly under
development)
Scientific Research • ~ 30 MEUR research grants in 2009, 300 kEUR / Prof • Five International Graduate Schools • Numerous Partners throughout the World
http://ww
w.tu-ilmenau.de/fileadm
in/media/journalisten/uni-kom
pakt/flash.html
Ilmenau University of Technology www.tu-ilmenau.de
Page 7 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Structure of the University
Page 8 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Structure of the University
TU Ilmenau International School Central facilities • Research centres • Compute Centre • Library • Patents Information Centre and Online Services (PATON) • Sports Centre
Departments • Electrical Engineering and Information Technology • Computer Science and Automation • Mechanical Engineering • Mathematics and Natural Sciences • Economic Sciences • Inter-departmental institutes (interdisciplinary research)
Page 9 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Interdepartmental Institutes
• IMN – Micro- and Nano-Technologies MacroNano
• IAP – Automotive and Production Technologies
• IEAU – Energy, Drive, and Environmental Technologies • IWT – Material Sciences
• ICEG – Chemistry, Electrochemistry, and Galvano Technologies
• IMMK – Media and Mobile Communications
Page 10 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Research clusters
• Nano-engineering
• Precision engineering and precision metrology
• Technical and biomedical prosthetic systems
• Drive technology, energy and environmental engineering
• Digital media technology
• Mobile communications
Ilmenau University of Technology www.tu-ilmenau.de
Page 11 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
(International) Graduate schools • Integrated Graduate School SFB 622:
Positioning and Measurement in the Nanometre Range
• Self-organised mobile communication systems for disaster scenarios (GRK 1487)
• Optical microsystems technologies (OMITEC)
• Electromagnetic flow measurement and eddy current testing using Lorentz force (GRK 1567)
• Image processing and image interpretation
Prof. Dr. Matthias Hein 12.09.2011 page 12
University • About 250 researchers & staff • Top quality test equipment • Research knowhow • International networking
Thuringia Partners in companies, institutes, and universities
Additional invest: buildings, equipment, human resources
• Platform for leading R&D in mobility • Platform for R&D services for companies
Established at Ilmenau University of Technology in April 2011
Center of Innovation in Mobility: ThIMo
Ilmenau central station (plan)
University campus
Prof. Dr. Matthias Hein 12.09.2011 page 13
ENHANCED INTERNAL COMBUSTION ENGINES ELECTROMOBILITY
LIGHTWEIGHT TECHNOLOGY POWERTRAIN
ThIMo Fields of Activity
Prof. Dr. Matthias Hein 12.09.2011 page 14
Electromobility • Electrochemical energy storage • High-performance electronics and
mechatronics • On-board networks • Energy-streamlined intelligent electrical
vehicles Powertrain • Virtual road – authentic measurement
and emulation environment • Vehicular telematics and sensor
technology • Efficiency of drivetrain systems • Driver assistance systems
Enhanced Internal Combustion Engines • Energy-efficient internal combustion engines • High-performance sensor equipment • Low particle-emission vehicles • Exhaust emission control systems
Lightweight Technology
• Serial production for fibre reinforced plastic components
• Insert injection moulding of organosheets • Hybrid components and their integration • Intelligent plastic components
ThIMo Fields of Activity
Page 15 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Content of the presentation
More details available at: www.tu-ilmenau.de/hmt www.tu-ilmenau.de/init
http://www.tu-ilmenau.de/ei/
• The University
• Department and Institute
• HMT Research Laboratory
• Infrastructure
• Ongoing research activities
• Useful information
Page 16 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Electrical Engineering & Information Technology
Page 17 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Competences and research fields of InIT
Center and Institute for Micro- and Nano-Technologies http://www.tu-ilmenau.de/imn
Competences Research fields Protocols and networks Signals Radio channel Antennas Circuit & design technologies
Digital broadcasting Communications and networks
Digital signal and image processing Electronic measurements
EM fields, RF & Microwaves
• From fundamentals to applications • Interdisciplinary approach • Research cluster Mobile Communications • Interfaces to media technologies, computer sciences, micro- and nano-
technologies
Page 18 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Survey of Courses at InIT
• Master of Science in Communications and Signal Processing • Entirely tought in English • Well-structured two year-programme • Kick-off winter term 2009
Master programme MSc-CSP
German Engineering Faculty at Moscow Power Engineering Institute
Fruitful co-operation with other Universities, e.g., LETI International seminar series, industrial practice, ...
• Joint project: Electrical Engineering, Computer Science, Mechatronics • Double Master degrees • Teaching in German; partial studies in Ilmenau (incl. Master`s thesis) • Established co-operation since > 10 years • Kick-off September 2007
Page 19 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Content of the presentation
More details available at: www.tu-ilmenau.de/hmt
• The University
• Department and Institute
• HMT Research Laboratory
• Infrastructure
• Ongoing research activities
• Useful information
Page 20 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
The HMT Research Lab ... … covers research and education in the propagation, interactions and technical applications of electromagnetic waves, circuits, signals, and systems at frequencies between 100 kHz and 100 GHz
Research areas • Mobile and satellite
communications, radio technology, material issues
• Antenna engineering • Circuit design and circuit
technologies • RF-MEMS • RF & Microwave measurements
Micro- and nano-technologies
Vehicular and production technologies
Media and mobile communications
Joint Research
Page 21 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
1950 1960 1990 2000 2010
Chronology
1970 1980
53: HfE – Hochschule für Elektrotechnik
56: G. Megla
63: THI – Technische Hochschule Ilmenau
61: Institute for Microwaves and wave propagation, M. Kummer
70: H. Loele: Microwave technology
1989: G. Fuchs: Circuit technology
1990: M. Kummer
2002: G. Fuchs
2000: H. Loele
68: Dritte Hochschulreform
1992: Univ. of Technol.
2004:
Page 22 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Content of the presentation
More details available at: www.tu-ilmenau.de/hmt
www.wip-thueringen.de/actor/profile/ttk/read/100/
• The University
• Department and Institute
• HMT Research Laboratory
• Infrastructure
• Ongoing research activities
• Useful information
Page 23 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Andreas Werner a.werner@tu-ilmenau.de
+49 3677 69 3400
Centre of Micro- & Nano-Technologies Mission
• Novel materials → micro- and nano-devices → circuits and systems • Interdisciplinary co-operative research projects • Basic and applied research for upcoming industrial technologies
Facility • 680 m2 clean rooms
(Class 100 to 10000) • 1100 m2 laboratories and offices
www.tu-ilmenau.de/zmn-start/
Technologies and materials • Deposition, patterning, multilayer, analytics • Epitaxy, micromachining • Optical and electron beam lithography • Si (+ oxides, nitrides) • Metals (+ oxides, carbides, nitrides) • Polymers, printed circuit boards, low-temperature co-fired ceramics
Page 24 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
• Main frequency range 1...15 GHz • Extension 15…77 GHz • Quiet zone ∅ 1.5 m × 1.5 m • Measurement distance 4.5 m • Two high-precision positioners
Antenna measurement laboratory
Mobile communications laboratory • Investigation of mobile radio channel • Configurable baseband signals • Modulated signal sources, detectors, multi-
channel simulator, de/modulators • Vector network & spectrum analysis • RUSK vector channel sounder
Institute for Information Technologies
Institute for Information Technology www.tu-ilmenau.de/init
Page 25 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Millimeter wave antenna measurements
• Frequency range 0.8 … 77 GHz • Dynamic range 35 … 80 dB • Measurement range 4.5 m • Max. antenna weight 10 kg
• Angular resolution 0.3° • Shielding 80 … 100 dB • Reflectivity 30 … 50 dB
ControllerHF LO
x4
IF
Field Test
Reference
NWA
x14
x14
Page 26 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
• Located at industrial area „Am Vogelherd“
• 50 m height • Terrestrial broadcasting tests • Test platform for land-mobile satellite
communication terminals • Satellite payload on the tower • Motion simulator & real-time
channel simulator emulates moving vehicle on earth
• Use within the Project MoSaKa (Mobile Satellite Communcations in Ka Band)
Antenna tower
Infrastructure
Seite 27 1961 ... 2011: Portrait 50 Jahre Mikrowellentechnik
HMT: Once (before-Moore era...)
• RF metrology • Four-probe • YIG • Glass-permittivity • Material parameters
• Microwave radiometer • Microwave noise radar
1961 ... 2011: 50 years of expertise Seite 27
Page 28 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
HMT: Nowadays • Frequency domain measurements
• Coaxial, four-port, nonlinear, pulsed network analysis (up to 70 GHz)
• Waveguide network analysis (up to 110 GHz)
• Spectrum analysis (up to 50 GHz) • Time domain measurements
• Time-domain reflectometry • 70 GHz sampling oscilloscope • 11 GHz real-time oscilloscope
• Wafer probers • Ambient • Vacuum, cooling stage
• RF-MEMS measurement facilities • High-precision bias controllers • Contact-less optical profilometer
Page 29 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Circuits, electromagnetic fields, and electromechanical transduction
RF & microwave simulation tools
• Two- and three-dimensional microwave design and em fields • ADS, Ensemble, IE3D • HFSS, CST Microwave Studio, EMPIRE
• RF circuit design • MicroSim (PSpice), Serenade • Modular design of complex
structures (in-house) • RF-MEMS
• ANSYS
Page 30 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Impressions HMT Reconfigurable
switch matrix for on-orbit verification
Dual-band CP mode coupler for SOTM antenna in Ka-band
Radiation pattern of 60 GHz patch array on LTCC
Compact SatNav L-band-arrays
RF-MEMS for circuits and sensors
Eigen-modes of compact arrays
Bandpass-PLM MMIC
UWB antennas for breast
cancer detection Class-S
power amplifier (PLM and Filter)
Page 31 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Impressions: Youngsters Media Event "Kinderkult" 10.-13.04.2011 Erfurt Fair
Page 32 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Content of the presentation
More details available at: www.tu-ilmenau.de/hmt
• The University
• Department and Institute
• HMT Research Laboratory
• Infrastructure
• Ongoing research activities
• Useful information
Page 33 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
RF and microwave research
Page 34 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
• Cognitive Radio 2: Radio resources of secondary users in cognitive radio networks, Carl-Zeiss foundation, 2011-2015
• KERAMIS-GEO: Reconfigurable switch matrix for the German Geo-Satellite mission Heinrich Hertz, Industry partners, BMWi/DLR, 2011-2013
• PRIMOS: Piezo-electric resonant MEMS for RF oscillator applications, Thüringen, 2011-2012
• KOMPASSION: Compact adaptive antenna terminals for robust satellite navigation, BMWi/DLR, 2010-2013
• MoSaKa: Tracking antennas and outdoor-unit for mobile satellite communications BMWi/DLR, 2009-2012
• Cognitive Radio 1: Self-organised mobile communication systems for disaster scenarios: Reconfigurable radio interfaces, DFG research training group (GRK1487), Computer Sciences and Electrical Engineering, 2009-2015
• ultraMEDIS-III: UWB-Radar for biomedical sensors DFG-SPP1202, EMT & medical partners, 2007-2010
List of actual research projects
Page 35 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Cognitive Radio – Project 1
DFG research training group (GRK1487) – International graduate school on mobile communications: Self-organised mobile communication systems for disaster scenarios
Objectives • Self-organisation supported by
reconfigurable RF hardware and cognitive antennas
• Selectivity, adaptivity and energy efficiency for fast disaster recovery
• Co-operation of 8 research labs in electrical engineering and computer sciences
Rationale • Recovery from disaster scenario by identifying and cooperating with
available resources • Reconfigurable antenna for RX sensing and RX/TX transmission with
spatial and frequency selectivity (cognitive radio)
Schlottwitz 2002, http://de.wikipedia.org/
Page 36 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Cognitive Radio – Project 2
Carl-Zeiss research group – Cognitive Radio Networks
Objectives • Establish a cognitive radio network lab • Evaluate cognitive networking in real and emulated
environments • Co-operation of 4 research labs in electrical engineering and
computer sciences
Rationale • Behavioral modeling of the limited resources and RF impairments of a
secondary node in a cognitive network • Reconfiguration algorithms including DSP for optimal transmission
strategy • Functional embedding of knowledge about local resources to the
cognitive network, interface to cognitive engine • Over-the-air evaluation of respective cognitive functions
Page 37 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Cognitive Radio – Details 1 Multi-band direction-sensitive cognitive radio node • Cognitive features: Spectrum and space • Multi-band feed network
• Reconfigurable • Provides decoupling and matching
(maximal diversity degrees-of-freedom) • Beam patterns
• Low correlation (orthogonal patterns)
• Self similar at selected frequencies
0°
15°
30°
45°60°
75°90°105°120°
135°
150°
165°
±180°
-165°
-150°
-135°-120°
-105° -90° -75°-60°
-45°
-30°
-15°
-10 0 10dBi
0.9 GHz 1.8 GHz 2.45 GHz
Page 38 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Cognitive Radio – Details 2
Frequency (MHz)
PSD (dB)
Transmit antenna 2 Transmit antenna 5 Transmit antenna 7
direction 1 direction 2 direction 3
Over-the-air testing • Emulated radio environment • SDR equipment with wideband receivers • Simultaneous frequency and direction sensing • Energy detection • Baseband processing: MatLab
Page 39 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
KERAMIS-GEO – Project
Ceramic microwave circuits for satellite communication systems
Objectives • Intelligent Ka-band multimedia satellite systems • Advanced ceramic multilayer technology (LTCC) • In-orbit technology verification aboard German
Heinrich Herzt satellite (TRL 8)
Experiment: Reconfigurable switch matrix for IMUX • Reconfigurable (digitally controlled signal paths) • Compact three-dimensional hermetic package including switch
drivers, digital circuitry, and redundancy paths • Full space qualification
http://de.wikipedia.org/wiki/Bild:Navstar-2.jpg
Page 40 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
KERAMIS – Details 1/2 On-orbit verification (KERAMIS-II) • OOV led by industrial partners (KT, GSOC) • KERAMIS is one of eleven payload modules • Self-consistent remotely controlled experiment • Launch expected for late 2011 • One year of operation
www.dlr.de
Page 41 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
KERAMIS – Details 2/2 Advanced design of microwave modules • Modular design flow incorporating
previous results • Time saving (CPU and design)
Page 42 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Objectives • Synergetic design and optimisation of RF-MEMS based
oscillators • Introduction into a multi-physics based RF-MEMS circuit
technology and design • Co-operation between IMMS GmbH and IMN MacroNano®
PRIMOS – Project
Piezo-electric resonant MEMS for RF oscillator applications
Rationale • Reference oscillators based on MEMS resonators
including bias and stabilisation circuitries • Multiple frequencies > 100 MHz • Si-Technologie (XFAB) • Discrete circuit design
www.sitime.com/
Page 43 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
PRIMOS – Details • AlN/Si RF-MEMS technology • Finite-element modeling of resonant
structures (optimisation, equivalent-circuit parameter extraction)
• Laser scanning vibrometry • Oscillator circuit design (trade-off between
electrical performance and technological complexity) C2
Ua
C0
Rm Lm Cm
ESB MEMS-Resonator
R2 R1
C1
+UB
T1
T2
Ti/Au
SiO2
Si AlN
Anregen Auslesen
Ti/Au
SiO2
Si AlN
Anregen Auslesen
SiO2Si
Ti/Au
AlN
Anregen/Auslesen
Page 44 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Objectives • Interferer cancellation for robust satellite
navigation for safety applications • Significant advancement of previous
achievements (e.g., GALANT) • Demonstration of synergetic miniaturisation
methods
KOMPASSION – Project
Compact adaptive antenna terminals for robust satellite navigation
Rationale • Compact adaptive antenna arrays • Dedicated feed networks for coupled antenna elements, optimised for
high SINR • Advanced digital beamforming and adaptation strategies • Integrated circuit design and digital signal processing
J. Lehle, http://albspotter.eu/
Page 45 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
KOMPASSION – Details Eigenmode representation of radiation degrees-of-freedom • Patch array configuration • Array optimisation in terms of minimum
eigen-efficiency • Adaptive beamforming with eigenmode
patterns
Page 46 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Objectives • Develop ultra-wideband radar for medical applications • Interdisciplinary approach: Engineers, physicists, biologists, medical doctors • Cluster networking within priority programme • Envisage UWB for human medical in-vivo diagnosis: MRI navigator and breast tumour detection
ultraMEDIS – Project
Ultra-wideband medical sensor systems DFG priority programme UKoLoS (SPP 1202)
ultraMEDISultraMEDIS
www.ecureme.com
Rationale • Intrinsically safe and bio-compatible • Detection / localisation / imaging of dielectric contrast /
malignant tissue • Tracking of organ movement • Long-term investigations of diseases
Page 47 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
ultraMEDIS – Details 1/2 UWB antennas • Compact antennas with short impulse
response • Permittivity-matched for contact mode
measurements • Modified for use in combination with
magnetic resonance imaging • Adapted to clinical diagnostic studies
ultraMEDISultraMEDIS
Page 48 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
ultraMEDIS – Details 2/2 UWB-MRI compatibility • Minimisation of current-loops for eddy
currents • Sustaining good matching and
radiation properties over the entire band (impulse response)
ultraMEDISultraMEDIS
UWB-MRI functionality • Monitoring of heart beat and breath
frequencies with high precision • UWB navigation of 3-T MRI • Extraction of anatomic effects (myocardial
dynamics, brain imaging, etc.)
F. Thiel et al., ISMRM 2009. M. Hein et alEuCAP 2009. U. Schwarz, Dissertation thesis, Ilmenau, 2010.
Germ
an Patent D
E 10 2008 047 054
Page 49 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Objectives • Address challenges related to loss of
terrestrial infrastructure (disaster scenarii)
• Establish communications between fixed, nomadic, and mobile nodes in a heterogeneous network
MoSaKa – Project Mobile satellite communications in Ka-band
Rationale • Improved transmission links (forward and
return), robust mobile satellite access • Tracking with small-aperture antennas and
technologies for compact user terminals • Installation of a specific testbed
High-gain (HG) Low-profile (LP) Very high gain
Page 50 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
MoSaKa – Details 1/3 Outdoor unit • Dual-band operation for unsymmetric links (high
gain for high data rates, moderate gain but low profile for high reliability
• Ka-band transceiver (outdoor-unit) • Signal acquisition and tracking
High-gain antenna • High-gain antenna: >
40 dBi gain, 40-60 cm parabolic dual reflector
• Dual-band operation in widely separated UL and DL bands
• Electronic steering exploiting suitable waveguide modes
• Compact feed structure
Page 51 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
MoSaKa – Details 2/3 Low-profile antenna • Height < 15 cm • Differently tilted antenna panels,
consisting of dual-band PRS structures, fed by CP slot arrays
• Directivity about 12 and 14 dBi for downlink and uplink
• Broad / narrow lobes in elevation / azimuth
• High performance azimuth positioner for hybrid tracking (electronic/mechanical)
• High mobility & reliability, moderate data rates
• Circular polarisation
Page 52 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
MoSaKa – Details 3/3 Demonstration & evaluation • Ka-band satellite internet access
for reference measurements • Testbed with channel & motion
simulation • Free-space testing of directional
antennas
Motion simulator
Test object(DUT)
GPSsimulator
Antenna mast
100 m
LMSchannel
simulator
Uplinkconverter
Uplinkmodulator
Downlinkconverter
Downlinkdemodulator
Motion profiles
Control
DUTuplinkpath
DUTdownlink
path
Page 53 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Content of the presentation
More details available at: www.tu-ilmenau.de/hmt
• The University
• Department and Institute
• HMT Research Laboratory
• Infrastructure
• Ongoing research activities
• Useful information
Page 54 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
• Books, book chapters, refereed journals: 63
• Refereed conference papers: 128 • Inter/national conference papers: 168
• Recent patent applications (2006-2011): 6
• LTCC UWB millimeter wave transmission lines DE 10-2007-028-799.4-55, PCT/EP2008/057666 • Combination of MR-imaging and UWB-radar (with PTB Berlin), 10-2008-19-862.5 • MRI-compatible UWB antennas (with PTB Berlin), 10-2008-047-054.6 • High-power filter for switched-mode amplifiers, 10-2008-053-013.1 • Planar leaky-wave antenna • Bandpass-pulse length modulator, 10 2010 011 468.5
• Diploma and doctoral students (cumulative since 2003): 31 and 22 • Research projects (cumulative since 2003) 39 with a total budget over 11 M
Useful information 1/2
Page 55 RF&Microwave Research Laboratory www.tu-ilmenau.de/hmt
1961-2011: 50 years of expertise
Useful information 2/2 • Research lab www.tu-ilmenau.de • Institute for information technology www.tu-ilmenau.de/init • Institute for Micro- and Nano-
Technologies www.tu-ilmenau.de/mnt • International Graduate School www.tu-ilmenau.de/gs-mobicom • Contact Prof. Matthias Hein, ext. 2832 Dr. Ralf Stephan, ext. 1585 Dr. Kurt Blau, ext. 1587
Emails firstname.name@tu-ilmenau.de
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