Koen Buisman

Showing 34 publications

2021

An Active Load-Pull Technique to Emulate Outphasing Power Amplifiers

Jose-Ramon Perez-Cisneros, William Hallberg, Koen Buisman
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, p. 24-27
Paper in proceeding
2021

Nonlinear Distortion Investigation Using mm-Wave Over-the-Air SISO and MISO Measurements

Hamza Nachouane, Thomas Eriksson, Koen Buisman
15th European Conference on Antennas and Propagation, EuCAP 2021
Paper in proceeding
2021

Emulation of Load Modulated Amplifiers Using Tabulated Load-Pull Data from a Single Amplifier

Jose-Ramon Perez-Cisneros, William Hallberg, Christian Fager et al
2020 50th European Microwave Conference, EuMC 2020, p. 676-679
Paper in proceeding
2021

E/W-Band CPW-based Amplifier MMICs Fabricated in a 60 nm GaN-on-Silicon Foundry Process

Robert Malmqvist, Rolf Jonsson, Anders Bernland et al
EuMIC 2020 - 2020 15th European Microwave Integrated Circuits Conference, p. 137-140
Paper in proceeding
2021

Mixed-Mode Active Load-Pull Using one Single-Ended Device-Under-Test

Koen Buisman, Jose-Ramon Perez-Cisneros, William Hallberg et al
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, p. 20-23
Paper in proceeding
2021

A Cavity-Backed Patch Antenna with Distributed Multi-Port Feeding, Enabling Efficient Integration with Doherty Power Amplifier and Band-Pass Filter

Oleg Iupikov, Jose-Ramon Perez-Cisneros, Petrie Meyer et al
IEEE Transactions on Antennas and Propagation. Vol. 1 (8)
Journal article
2020

A Dual-Fed PIFA Antenna Element With Nonsymmetric Impedance Matrix for High-Efficiency Doherty Transmitters: Integrated Design and OTA-Characterization

Oleg Iupikov, William Hallberg, Rob Maaskant et al
IEEE Transactions on Antennas and Propagation. Vol. 68 (1), p. 21-32
Journal article
2020

Over-the-air investigation of transmitter and receiver nonlinear distortion using a mm-wave MIMO testbed

Hamza Nachouane, Thomas Eriksson, Koen Buisman
2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP 2020)
Paper in proceeding
2020

Hybrid Beamforming Transmitter Modeling for Millimeter-Wave MIMO Applications

Parastoo Taghikhani, Koen Buisman, Christian Fager
IEEE Transactions on Microwave Theory and Techniques. Vol. 68 (11), p. 4740-4752
Journal article
2020

Multi-Physical Simulations and Modelling of an Integrated GaN-on-Si Module Concept for Millimetre-Wave Communications

Kimmo Rasilainen, Koen Buisman, Kristoffer Andersson et al
Proceedings - Electronic Components and Technology Conference. Vol. 2020-June, p. 1369-1375
Paper in proceeding
2020

Measurement of Reflection and Transmission Coefficients Using Finite Impulse Response Least-Squares Estimation

Dhecha Nopchinda, Thomas Eriksson, Herbert Zirath et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 68 (1), p. 222-235
Journal article
2020

Emulation of Doherty Amplifiers Using Single- Amplifier Load-Pull Measurements

William Hallberg, Dhecha Nopchinda, Christian Fager et al
IEEE Microwave and Wireless Components Letters. Vol. 30 (1), p. 47-49
Journal article
2019

Improvement of AM-PM in a 33-GHz CMOS SOI Power Amplifier Using pMOS Neutralization

Mohammed Abdulaziz, Halil Volkan Hünerli, Koen Buisman et al
IEEE Microwave and Wireless Components Letters. Vol. 29 (12), p. 798-801
Journal article
2018

A Generalized 3-dB Wilkinson Power Divider/Combiner With Complex Terminations

William Hallberg, Mustafa Ozen, Dan Kuylenstierna et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (10), p. 4497-4506
Journal article
2018

Method and system for network analysis

Dhecha Nopchinda, Koen Buisman
Patent application
2018

An Inter-Laboratory Comparison of NVNA Measurements

Martin Salter, Laurence Stant, Koen Buisman et al
International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMIC 2018 - Proceedings
Paper in proceeding
2018

An Evaluation of Distortion and Interference Sources Originating Within a Millimeter-Wave MIMO Testbed for 5G Communications

Tian Hong Loh, David Humphreys, David Cheadle et al
2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018
Paper in proceeding
2018

Compensation of Hardware Impairments in MATE, the Chalmers mmWave MIMO Testbed

Sina Rezaei Aghdam, Mohammad Hossein Moghaddam, Koen Buisman et al
Other conference contribution
2018

Measurement Technique to Emulate Signal Coupling Between Power Amplifiers

Dhecha Nopchinda, Koen Buisman
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (4), p. 2034-2046
Journal article
2018

Analysis of Thermal Effects in Integrated Radio Transmitters

Christian Fager, Mattias Thorsell, Emanuel Baptista et al
2018 INTERNATIONAL SYMPOSIUM ON VLSI TECHNOLOGY, SYSTEMS AND APPLICATION (VLSI-TSA)
Paper in proceeding
2018

Estimation of Load-Pull Reflection Coefficients for Modulated Signals

Dhecha Nopchinda, Thomas Eriksson, Koen Buisman
IEEE/MTT-S International Microwave Symposium Digest, p. 1168-1171
Paper in proceeding
2018

Designing and characterizing MATE, the Chalmers mm-wave MIMO testbed

Koen Buisman, Thomas Eriksson
EuCAP. Vol. 2018 (CP741)
Paper in proceeding
2018

Millimeter-Wave Over-the-Air Signal-to-Interference-plus-Noise-Ratio Measurements Using a MIMO Testbed

David Humphreys, Koen Buisman, Tian Hong Loh et al
2018 2nd URSI Atlantic Radio Science Meeting (AT-RASC)
Paper in proceeding
2018

Wireless Energy and Information Transmission in FSO and RF-FSO Links

Behrooz Makki, Tommy Svensson, Koen Buisman et al
IEEE Wireless Communications Letters. Vol. 7 (1), p. 90-93
Journal article
2018

Design and Large-Signal Characterization of High-Power Varactor-Based Impedance Tuners

Cesar Sanchez Perez, Christer Anderson, Koen Buisman et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (4), p. 1744-1753
Journal article
2017

Vector-corrected Nonlinear Multi-port IQ-mixer Characterization using Modulated Signals

Sebastian Gustafsson, Mattias Thorsell, Koen Buisman et al
IEEE MTT-S International Microwave Symposium Digest, p. 1433-1436
Paper in proceeding
2017

Design of linear and efficient power amplifiers by generalization of the Doherty theory

Christian Fager, William Hallberg, MUSTAFA ÖZEN et al
Proceedings of the 2017 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications, p. 29-32
Paper in proceeding
2017

An active load-pull technique creating time-variant impedances to emulate coupling between power amplifiers

Dhecha Nopchinda, Koen Buisman
IEEE MTT-S International Microwave Symposium Digest, p. 1437-1440
Paper in proceeding
2017

Analysis of nonlinear distortion in phased array transmitters

Christian Fager, Katharina Hausmair, Koen Buisman et al
Proceedings of the 2017 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2017
Paper in proceeding
2017

Analysis of thermal coupling effects in integrated MIMO transmitters

Emanuel Baptista, Koen Buisman, J.C. Vaz et al
IEEE MTT-S International Microwave Symposium Digest, p. 75-78
Paper in proceeding
2016

Emulation of array coupling influence on RF power amplifiers in a measurement setup

Dhecha Nopchinda, Koen Buisman
87th ARFTG Microwave Measurement Conference: Measurements for Emerging Communications Technologies, ARFTG 2016, p. 1-4
Paper in proceeding
2016

A Doherty Power Amplifier Design Method for Improved Efficiency and Linearity

William Hallberg, MUSTAFA ÖZEN, David Gustafsson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (12), p. 4491-4504
Journal article
2016

Wideband RF characterization setup with high dynamic range low frequency measurement capabilities

Sebastian Gustafsson, Christian Fager, Koen Buisman et al
2016 87th ARFTG Microwave Measurement Conference
Paper in proceeding
2015

Analysis of thermal effects in active antenna array transmitters using a combined EM/circuit/thermal simulation technique

Christian Fager, Katharina Hausmair, Thomas Eriksson et al
2015 Integrated Nonlinear Microwave and Millimetre-wave Circuits Workshop (INMMiC)
Paper in proceeding

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Showing 4 research projects

2017–2017

Joint Transmission in Radio Frequency and Free Space Optical Links

Behrooz Makki Communication Systems
Koen Buisman Microwave Electronics
Chalmers

2016–2017

Compact Millimeter Wave Integration Concept for Future Wireless and Sensor Systems

Mattias Thorsell Microwave Electronics
Koen Buisman Microwave Electronics
Christian Fager Microwave Electronics
Niklas Rorsman Microwave Electronics
VINNOVA

2016–2018

Millimeter-wave Backhaul Links at above 100 Gbits/s - Taking smart antennas to the limits

Thomas Eriksson Communication Systems
Christian Fager Microwave Electronics
Koen Buisman Microwave Electronics
Dhecha Nopchinda Microwave Electronics
Marianna Ivashina Antennas
Herbert Zirath Microwave Electronics
Amina Piemontese Communication Systems
VINNOVA

2015–2018

Metrology for 5G communications MET5G

Koen Buisman Microwave Electronics
Mattias Thorsell Microwave Electronics
Thomas Eriksson Communication Systems
European Association of National Metrology Institutes (EURAMET)

There might be more projects where Koen Buisman participates, but you have to be logged in as a Chalmers employee to see them.