research overview Researcher in the field of RF, microwave and millimeter wave circuits, components and antennas
keywords radio frequency, power amplifiers, antennas, supply modulation, envelope tracking, gan, efficiency
selected publications chapter Innovations in Antenna Systems for Communications. 383-421. 2016 conference proceeding Top-loaded 60:1 Wideband Direction-Finding Sensor 2019 Discrete Supply Modulation of a Three-Stage K-Band PA. 698-701. 2019 Dual Gate and Drain Supply Modulation of an X-Band PA. IEEE MTT-S International Microwave Symposium digest. IEEE MTT-S International Microwave Symposium. 979-982. 2019 Alumina Passives Using the Interconnect Layer of Metal-Embedded Chip Assembly Processing 2018 A 4-W K-Band 40% PAE Three-Stage MMIC Power Amplifier. 144-147. 2018 Independent Dynamic Gate Bias for a Two-Stage Amplifier for Amplitude and Phase Linearization 2018 An Efficient Linearized Octave-Bandwidth Power Amplifier for Carrier Aggregation. IEEE MTT-S International Microwave Symposium digest. IEEE MTT-S International Microwave Symposium. 473-476. 2018 Enabling Passive Components for High-Power Wideband Millimeter Wave Repeater Applications. 74-76. 2018 Broadband supply modulation for RF transmitter efficiency enhancement 2018 Improvement of MAW Spiral Measurements by Filtering Spherical Modes in the Far Field. 204-207. 2017 Efficiency Enhancement and Linearization of GaN PAs using Reduced-Bandwidth Supply Modulation. 456-459. 2017 3-Arm Spiral Antennas for Direction Finding Applications. AP-S International Symposium (Digest) (IEEE Antennas and Propagation Society). 1543-1544. 2017 A Spiral Antenna for Amplitude-Only Direction Finding. AP-S International Symposium (Digest) (IEEE Antennas and Propagation Society). 927-928. 2017 Bandwidth-Reduced Supply Modulation of a High-Efficiency X-band GaN MMIC PA for Multiple Wideband Signals. IEEE MTT-S International Microwave Symposium digest. IEEE MTT-S International Microwave Symposium. 1850-1853. 2017 Discrete-Level Envelope Tracking for Broadband Noise-Like Signals. IEEE MTT-S International Microwave Symposium digest. IEEE MTT-S International Microwave Symposium. 1942-1945. 2017 Gate Control of a Two-Stage GaN MMIC Amplifier for Amplitude and Phase Linearization 2017 A Wide-Band Spiral Based Amplitude-Only Azimuth Direction Finding System. AP-S International Symposium (Digest) (IEEE Antennas and Propagation Society). 1823-1824. 2016 Tuning an Electrically Small On-The-Move HF Half-Loop Antenna. Proceedings of the European Conference on Antennas and Propagation. European Conference on Antennas and Propagation. 2016 Tuning an Electrically Small On-The-Move HF Half-Loop Antenna. Proceedings of the European Conference on Antennas and Propagation. European Conference on Antennas and Propagation. 2016 Dual-Band, Low-Frequency Artificial Magnetic Conductor using Lumped Components. 175-177. 2015 Empirical Path Loss Model Fit from Measurements from a Vehicle-to-Infrastructure Network in Munich at 5.9 GHz. 181-185. 2015 Self-Interference Noise Limitations of RFID Readers. 145-150. 2015 Effect of Carbon-Fiber Composites as Ground Plane Material on Antenna Performance. 711-714. 2014 Near Field Scans of Tyre mounted Dipoles using a separate Phase Reference Antenna. 612-615. 2014 Channel Model for Tyre Pressure Monitoring Systems (TPMS) 2010 Broadband Suppression Properties of Active Leaking Carrier Cancellers. 208-212. 2009 journal article Efficiency and linearity enhancement of a two-stage X-band PA through simultaneous gate and drain supply modulation. IET Microwaves, Antennas and Propagation. 1347-1354. 2020 Distortion mitigation for 100 and 250 MHz discrete supply modulation of a three-stage K-band MMIC PA. International Journal of Microwave and Wireless Technologies. 707-715. 2020 An 18-38-GHz K-/Ka-Band Reconfigurable Chireix Outphasing GaAs MMIC Power Amplifier. IEEE Transactions on Microwave Theory and Techniques. 3028-3038. 2020 Electromagnetic-Wave Fun Using Simple Take-Home Experiments [Education Corner]. IEEE Antennas and Propagation Magazine. 100-106. 2020 A Three-Stage 18.5-24-GHz GaN-on-SiC 4 W 40% Efficient MMIC PA. IEEE Journal of Solid State Circuits. 2402-2410. 2019 Metal-Embedded Chip Assembly Processing for Enhanced RF Circuit Performance. IEEE Transactions on Microwave Theory and Techniques. 3537-3546. 2019 Dynamic Dual-Gate Bias Modulation for Linearization of a High-Efficiency Multistage PA. IEEE Transactions on Microwave Theory and Techniques. 2483-2494. 2019 Efficient Multisignal 2-4-GHz Power Amplifier With Power Tracking. IEEE Transactions on Microwave Theory and Techniques. 5652-5663. 2018 Performance Characterization of Four-Arm MAW Spiral Antennas for Digital Direction-of-Arrival Sensing. IEEE Transactions on Antennas and Propagation. 2761-2769. 2018 Wideband Antenna Systems for Millimeter-Wave Amplitude-Only Direction Finding. IEEE Transactions on Antennas and Propagation. 3122-3129. 2018 Wide-Band High-Frequency Antennas for Military Vehicles Designing and testing low-profile half-loop, inverted-L, and umbrella NVIS antennas. IEEE Antennas and Propagation Magazine. 64-74. 2016 Low-Profile Switched-Beam Antenna Backed by an Artificial Magnetic Conductor for Efficient Close-to-Metal Operation. IEEE Transactions on Antennas and Propagation. 1307-1316. 2016 Detectivity enhancement in quantum well infrared photodetectors utilizing a photonic crystal slab resonator. Optics Express. 5622-5628. 2012
courses taught ECEN 5014 - Special Topics Primary Instructor - Spring 2019 / Spring 2020 Examines a special topic in Electrical, Computer and Energy Engineering. May be repeated up to 9 total credit hours.
education and training Ph.D., Technical Univ of Vienna (Austria) 2014 M.S., Technical Univ of Vienna (Austria) 2008 B.S., Technical Univ of Vienna (Austria) 2007
global connections related to teaching and scholarly work (in recent years) Austria Country Europe Continent