Christian Fager

Full Professor at Microwave Electronics

Christian Fager received his Ph.D. degree from Chalmers University of Technology, Sweden, in 2003. He became Full Professor at the same university in 2019 and is currently Head of the Microwave Electronics Laboratory.

Dr. Fager is performing research that spans from nonlinear transistor modeling, energy efficient power amplifier and transmitter architectures, nonlinear distortion analysis and behavioral modeling, digital pre-distortion linearization, nonlinear and wideband measurement techniques, to digital radio-over-fiber solutions for distributed MIMO systems. He is co-inventor of 8 patents/patent applications and published more than 240 papers in refereed international journals and conferences. He also co-authored the book: Nonlinear Transistor Model Parameter Extraction Techniques (Cambridge University Press, 2011).

Dr. Fager is an IEEE Senior Member and currently serves as Associate Editor of IEEE Microwave Magazine and IEEE Microwave and Wireless Technology Letters and also as a member of the MTT-S technical coordination committee on Wireless Communications. Dr. Fager is Board of Directors member of the European Microwave Association (EuMA). He has served as chair/co-chair of the 2020 & 2021 IEEE Topical Conferences on RF/microwave Power Amplifiers and also TPC co-chair for the 2020 European Microwave Integrated Circuits Conference.

Dr. Fager received Chalmers Supervisor of the Year Award in 2018, the inaugural Chalmers Area of Advance Award in 2010, and the IEEE International Microwave Symposium Best Student Paper Award in 2002.

Source: chalmers.se
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Showing 262 publications

2024

EVM Analysis of Distributed Massive MIMO with 1-Bit Radio-Over-Fiber Fronthaul

Anzhong Hu, Lise Aabel, Giuseppe Durisi et al
IEEE Transactions on Communications. Vol. 72 (11), p. 7342-7356
Journal article
2024

A TDD Distributed MIMO Testbed Using a 1-Bit Radio-Over-Fiber Fronthaul Architecture

Lise Aabel, Giuseppe Durisi, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 72 (10), p. 6140-6152
Journal article
2024

6G Radio Testbeds: Requirements, Trends, and Approaches

Gilles Callebaut, Liang Liu, Thomas Eriksson et al
IEEE Microwave Magazine. Vol. 25 (4), p. 14-31
Journal article
2024

A 25-40 GHz Three-Way Power Amplifier with No Load Modulation Achieving Broadband Deep Power Back-Off Efficiency Enhancement

Edward Liu, Han Zhou, Christian Fager et al
Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium, p. 127-130
Paper in proceeding
2024

56% PAE mm-Wave SiGe BiCMOS Power Amplifier Employing Local Backside Etching

Aniello Franzese, Batuhan Sutbas, Raqibul Hasan et al
IEEE Microwave and Wireless Technology Letters. Vol. 34 (8), p. 1023-1026
Journal article
2024

Sigma-Delta-Over-Fiber With WDM Serial Connection for Distributed MIMO

Frida Olofsson, Lise Aabel, Thomas Eriksson et al
Journal of Lightwave Technology. Vol. In Press
Journal article
2024

A GaN MMIC Wideband Continuous-Mode Doherty Power Amplifier for 6G FR3 cmWave Applications

Han Zhou, Victor Åberg, Haojie Chang et al
2024 19th European Microwave Integrated Circuits Conference, EuMIC 2024
Paper in proceeding
2024

A Ku-Band GaN MMIC Push-Pull Power Amplifier with Coupled-Line Balun and Capacitive Neutralization for 6G Applications

Han Zhou, Haojie Chang, Christian Fager
European Solid-State Circuits Conference
Paper in proceeding
2024

Recent Developments in Active Load Modulation PA Architectures

Han Zhou, Christian Fager
IEEE MTT-S International Microwave Symposium (IMS), 2024
Other conference contribution
2024

A TDD Distributed MIMO Testbed Using a 1-bit Radio-Over-Fiber Fronthaul Architecture

Lise Aabel, Sven Jacobsson, Mikael Coldrey et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 72 (10), p. 6140-6152
Journal article
2024

Modeling and Harmonic Balance Analysis of Superconducting Parametric Amplifiers for Qubit Readout: A Tutorial

Daryoush Shiri, Hampus Renberg Nilsson, Pavan Telluri et al
IEEE Microwave Magazine. Vol. 25 (11), p. 54-73
Journal article
2024

Deep-Learning-Based Channel Estimation for Distributed MIMO with 1-bit Radio-Over-Fiber Fronthaul

Alireza Bordbar, Lise Aabel, Christian Häger et al
Proceedings of the International Symposium on Wireless Communication Systems
Paper in proceeding
2024

Analysis and Design of RF-Input Doherty-Like Circulator Load Modulated Amplifier

Han Zhou, Haojie Chang, Christian Fager
2024 54th European Microwave Conference, EuMC 2024
Paper in proceeding
2024

Mm-wave Distributed MIMO Radio-over-Fiber Communication Architecture Using Sigma-Delta Modulation

Husileng Bao, F. Ponzini, Luca Rinaldi et al
International Conference on Transparent Optical Networks
Paper in proceeding
2024

Wideband mm-wave 6 × 2 Distributed MIMO Transmitter using Sigma-Delta-over-Fiber

Husileng Bao, F. Ponzini, Christian Fager
Journal of Lightwave Technology. Vol. 42 (9), p. 3107-3117
Journal article
2023

Dual-Band Dual-Output Doherty Power Amplifier for Unsynchronized Time-Division Duplexing

Paul Saad, Yonghai Jin, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 71 (11), p. 4826-4840
Journal article
2023

Enhancement of Power-Added Efficiency in GaAs Power Amplifiers by Dynamic Gate Biasing

Göksu Kaval, Gregor Lasser, Marcus Gavell et al
2023 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2023 - Proceedings
Paper in proceeding
2023

Wideband mm-wave Spectrum-Efficient Transmitter Using Low-Pass Sigma–Delta-Over-Fiber Architecture

Husileng Bao, Filippo Ponzini, Christian Fager
IEEE Microwave and Wireless Technology Letters. Vol. 33 (10), p. 1505-1508
Journal article
2023

Symmetrical Doherty Power Amplifier with High Efficiency and Extended Bandwidth

Han Zhou, Haojie Chang, Christian Fager
2023 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC)
Paper in proceeding
2023

Improved Digital Predistortion for Concurrent Multiband Transmission Using Frequency Relocation

Björn Langborn, Christian Fager, Rui Hou et al
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS. Vol. 33 (7), p. 1071-1074
Journal article
2023

Dual-Band Dual-Output Four-Way Doherty Power Amplifier for Unsynchronized Time-Division Duplexing

Paul Saad, Yonghai Jin, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 71 (11), p. 4826-4840
Journal article
2023

Design and Validation of a Concurrent Dual-Band 1.84/2.65 GHz GaN Doherty Power Amplifier

Jamal Ur Rasool Haider, Han Zhou, Paul Saad et al
2023 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC)
Paper in proceeding
2023

VNA-Based Large-Signal Drain-Modulated Power Amplifier Measurement Setup With Digital Pre-Distortion

Rob Theodoor Wilhelm Anton Vissers, Christian Fager, Gregor Lasser
101st ARFTG Microwave Measurement Conference: Challenges in Complex Measurement Environments, ARFTG 2023
Paper in proceeding
2023

Multilevel Outphasing With Over-the-Air Combining in Large Antenna Arrays

Vesa Lampu, Guixian Xu, Alberto Brihuega et al
IEEE Transactions on Communications. Vol. 71 (12), p. 7347-7362
Journal article
2023

A Wideband and Highly Efficient Circulator Load Modulated Power Amplifier Architecture

Han Zhou, Jose-Ramon Perez-Cisneros, Björn Langborn et al
IEEE Transactions on Circuits and Systems I: Regular Papers. Vol. 70 (8), p. 3117 -3129
Journal article
2023

Flexible Mm-Wave Sigma-Delta-Over-Fiber MIMO Link

Husileng Bao, Filippo Ponzini, Christian Fager
Journal of Lightwave Technology. Vol. 41 (14), p. 4734-4742
Journal article
2023

Ultrawideband RF-IQ Modulator Using Segmented Nonlinearly Scaled RF-DACs and Nonoverlapping LO Signals

Victor Åberg, Christian Fager, Rui Hou et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 71 (5), p. 1899-1910
Journal article
2023

Linearization of non-linear amplifiers

Ulf Gustavsson, Thomas Eriksson, Christian Fager
Patent
2023

TX Beamforming EVM Performance of a 65 dBm-EIRP Slant-Polarized Gapwaveguide Phased Array at 28 GHz

Alireza Bagheri, Hanna Karlsson, Carlo Bencivenni et al
17th European Conference on Antennas and Propagation, EuCAP 2023
Paper in proceeding
2023

Investigation of Fiber Length Differences in Distributed MIMO Sigma-Delta-over-Fiber Systems

Frida Olofsson, Magnus Karlsson, Thomas Eriksson et al
IET Conference Proceedings. Vol. 2023 (34), p. 968-971
Journal article
2023

Low Power and High Linear, Low Noise Amplifier Designed in 22nm FDSOI Technology for 5G Wireless Systems

Marzieh Mollaalipouramiri, Koen Buisman, Christian Fager et al
Asia-Pacific Microwave Conference Proceedings, APMC, p. 778-780
Paper in proceeding
2022

Design of a Compact GaN Power Amplifier with High Efficiency and Beyond Decade Bandwidth

Han Zhou, Jose-Ramon Perez-Cisneros, Björn Langborn et al
IEEE Microwave and Wireless Components Letters. Vol. 32 (12), p. 1439-1442
Journal article
2022

Comparison of Co-located and Distributed MIMO for Indoor Wireless Communication

Christian Fager, Simon Rimborg, Emma Radahl et al
IEEE Radio and Wireless Symposium, RWS. Vol. 2022-January, p. 83-85
Paper in proceeding
2022

Localization With Distributed MIMO Using a High-Speed Sigma-Delta-Over-Fiber Testbed

Furkan Keskin, Ibrahim Can Sezgin, Husileng Bao et al
IEEE Microwave and Wireless Components Letters. Vol. 32 (7), p. 923-926
Journal article
2022

A Generic Theory for Design of Efficient Three-stage Doherty Power Amplifiers

Han Zhou, Jose-Ramon Perez-Cisneros, Sara Hesami et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 70 (2), p. 1242-1253
Journal article
2022

A third order analogue pre-distorter MMIC for E-band PA linearisation

Marcus Gavell, G. Granstram, Christian Fager
2022 17th European Microwave Integrated Circuits Conference, EuMIC 2022, p. 189-192
Paper in proceeding
2022

Demonstration of Flexible mmWave Digital Beamforming Transmitter using Sigma-Delta Radio-Over-Fiber Link

Husileng Bao, Zhongxia Simon He, Filippo Ponzini et al
2022 52nd European Microwave Conference, EuMC 2022, p. 692-695
Paper in proceeding
2022

The state of the art in beyond 5G distributed massive multiple-input multiple-output communication system solutions

E. Meyer, Dmitrii Kruglov, M. Krivic et al
Open Research Europe. Vol. 2
Review article
2022

Algorithmic Radar, a Novel Low-Power Architecture for High-Accuracy PMCW Radar

Cornelis van Puijenbroek, Thomas B.N. Booij, Vojkan Vidojkovic et al
2022 19th European Radar Conference, EuRAD 2022, p. 297-300
Paper in proceeding
2022

An 11 GS/s 2×10 b 20–26 GHz Modulator using Segmented Non-Linear RF-DACs and Non-Overlapping LO signals

Victor Åberg, Christian Fager, Rui Hou et al
Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium. Vol. 2022-June, p. 143-146
Paper in proceeding
2022

Multi-Stage Gate Modulation of E-Band MMIC Power Amplifier for Efficiency Improvement

Göksu Kaval, Gregor Lasser, Marcus Gavell et al
2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2022 - Proceedings
Paper in proceeding
2022

Demonstration of Flexible mm-Wave Digital Beamforming Transmitter Using Sigma-Delta Radio-over-Fiber Link

Husileng Bao, Zhongxia Simon He, Filippo Ponzini et al
2022 52ND EUROPEAN MICROWAVE CONFERENCE (EUMC)
Other conference contribution
2022

Temperature-dependent Characterization of Power Amplifiers Using an Efficient Electrothermal Analysis Technique

Parastoo Taghikhani, Koen Buisman, martin Versleijen et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 70 (2), p. 1349-1360
Journal article
2022

FORMAT: A Reconfigurable Tile-Based Antenna Array System for 5G and 6G Millimeter-Wave Testbeds

Eduardo V.P. Anjos, Marzieh Salarrahimi, Thomas A.H. Bressner et al
IEEE Systems Journal. Vol. 16 (3), p. 4489-4500
Journal article
2022

Complexity Optimized Digital Predistortion Model of RF Power Amplifiers

Wenhui Cao, Siqi Wang, Per Landin et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 70 (3), p. 1490-1499
Journal article
2022

Wideband Sequential Circulator Load Modulated Amplifier with Back-off Efficiency Enhancement

Han Zhou, Jose-Ramon Perez-Cisneros, Christian Fager
2022 52nd European Microwave Conference, EuMC 2022, p. 214-217
Paper in proceeding
2022

Comparison of Transmitter Nonlinearity Impairments in externally modulated Sigma-Delta-over Fiber vs Analog Radio-over-Fiber links

Frida Olofsson, Lise Aabel, Magnus Karlsson et al
2022 Optical Fiber Communications Conference and Exhibition (OFC)
Paper in proceeding
2022

RF PA Predistortion using Non-Linear RF-DACs

Victor Åberg, Han Zhou, Christian Fager et al
2022 IEEE Nordic Circuits and Systems Conference, NORCAS 2022 - Proceedings
Paper in proceeding
2021

Infinite Impulse Response Structure for Amplifier Modeling and Linearization

Siqi Wang, Wenhui Cao, Christian Fager et al
IEEE Microwave and Wireless Components Letters. Vol. 31 (8), p. 961-964
Journal article
2021

Investigation of power amplifier performance under load mismatch conditions

Roger Argaez Ramirez, Jose-Ramon Perez-Cisneros, Christian Fager
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, p. 41-43
Paper in proceeding
2021

A Real-Valued 4D Memory Polynomial Algorithm for Mixer Modeling

Nima Hajiabdolrahim, Siqi Wang, Christian Fager et al
2021 51st European Microwave Conference, EuMC 2021, p. 325-328
Paper in proceeding
2021

Amplitude Varying Phased Array Linearization

Sara Hesami, Sina Rezaei Aghdam, John Dooley et al
2020 50th European Microwave Conference, EuMC 2020, p. 348-351
Paper in proceeding
2021

All-Digital, Radio-over-Fiber, Communication Link Architecture for Time-Division Duplex Distributed Antenna Systems

Ibrahim Can Sezgin, Lise Aabel, Sven Jacobsson et al
Journal of Lightwave Technology. Vol. 39 (9), p. 2769-2779
Journal article
2021

Emulation of Non-Reciprocity applied in Load-Modulated Power Amplifier Architectures using Single Amplifier Load-Pull Measurements

Jose-Ramon Perez-Cisneros, Han Zhou, Christian Fager et al
2021 51st European Microwave Conference, EuMC 2021, p. 647-650
Paper in proceeding
2021

Evaluation of Simultaneous Wireless Information and Power Transfer with Distributed Antennas

Ibrahim Can Sezgin, Jose-Ramon Perez-Cisneros, Christian Fager
2020 50th European Microwave Conference, EuMC 2020, p. 518-521
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

Millimeter-Wave Power Amplifier Integrated Circuits for High Dynamic Range Signals

Hua Wang, Peter M. Asbeck, Christian Fager
IEEE Journal of Microwaves. Vol. 1 (1), p. 299-316
Journal article
2021

A W-Band Single-Chip Receiver in a 60 nm GaN-on-Silicon Foundry Process

Robert Malmqvist, Rolf Jonsson, M. Q. Bao et al
EuMIC 2021 - 2021 16th European Microwave Integrated Circuits Conference, p. 51-54
Paper in proceeding
2021

Circulator Load Modulated Amplifier: A Non-Reciprocal Wideband and Efficient PA Architecture

Han Zhou, Jose-Ramon Perez-Cisneros, Christian Fager
IEEE MTT-S International Microwave Symposium Digest. Vol. 2021-June, p. 603-605
Paper in proceeding
2021

Implementation challenges and opportunities in beyond-5G and 6G communication

Ulf Gustavsson, Pål Frenger, Christian Fager et al
IEEE Journal of Microwaves. Vol. 1 (1), p. 86-100
Journal article
2021

Analyzing the Back-Gating Effect in GaN HEMTs with Field-Plates Using an Empirical Trap Model

Ankur Prasad, Mattias Thorsell, Herbert Zirath et al
2021 IEEE MTT-S International Microwave and RF Conference, IMARC 2021
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. 69 (8), p. 4412-4422
Journal article
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

Automatic Distributed MIMO Testbed for beyond 5G Communication Experiments

Husileng Bao, Ibrahim Can Sezgin, Zhongxia Simon He et al
IEEE MTT-S International Microwave Symposium Digest. Vol. 2021-June, p. 697-700
Paper in proceeding
2021

Doherty Load Modulation Based on Non-Reciprocity

Paul Saad, Han Zhou, Jose-Ramon Perez-Cisneros et al
2021 51st European Microwave Conference, EuMC 2021, p. 938-941
Paper in proceeding
2021

A 2x6b 8GS/s 17-24GHz I/Q RF-DAC based Transmitter in 22nm FDSOI CMOS

Victor Åberg, Christian Fager, Lars Svensson
IEEE Microwave and Wireless Components Letters. Vol. 31 (8), p. 929-932
Journal article
2021

Welcome to the 15th European Microwave Integrated Circuits Conference

Francois Deborgies, Stefan Heinen, D.M.W. Leenaerts et al
EuRAD 2020 - 2020 17th European Radar Conference
Other conference contribution
2020

Antenna Systems for 5G mm-Wave Radio Access

Guy A. E. Vandenbosch, A. Lahuerta, Artem Roev et al
2020 50th European Microvawe conference (EUMC)
Paper in proceeding
2020

Thermal analysis of GaN/SiC-on-Si assemblies: Effect of bump pitch and thickness of SiC Layer

Kimmo Rasilainen, Torbjurn M.J. Nilsson, Johan Bremer et al
2020 26th International Workshop on Thermal Investigations of ICs and Systems, THERMINIC 2020 - Proceedings
Paper in proceeding
2020

IC Design Aspects for 5G mm-Wave Systems

Christian Fager, Eduardo V. P. dos Anjos, Artem Roev et al
2020 50TH EUROPEAN MICROWAVE CONFERENCE (EUMC), p. 870-871
Other conference contribution
2020

A Cost-Efficient 28 GHz Integrated Antenna Array with Full Impedance Matrix Characterization for 5G NR

Marzieh Salarrahimi, Eduardo Vilela Pinto Dos Anjos, Parastoo Taghikhani et al
IEEE Antennas and Wireless Propagation Letters. Vol. 19 (4), p. 666-670
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

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

Performance simulation of a 5G hybrid beamforming millimeter-wave system

Thomas Kühne, Xiaoshen Song, Giuseppe Caire et al
WSA 2020 - 24th International ITG Workshop on Smart Antennas
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

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
2020

A Wideband and Low-Loss Spatial Power Combining Module for mm-Wave High-Power Amplifiers

Artem Roev, Parastoo Taghikhani, Rob Maaskant et al
IEEE Access. Vol. 8, p. 194858-194867
Journal article
2020

Distributed Massive MIMO via all-Digital Radio Over Fiber

Lise Aabel, Giuseppe Durisi, Ibrahim Can Sezgin et al
Conference Record - Asilomar Conference on Signals, Systems and Computers. Vol. 2020-November, p. 319-323
Paper in proceeding
2019

Effect of VCSEL Characteristics on Ultra-High Speed Sigma-Delta-Over-Fiber Communication Links

Ibrahim Can Sezgin, Johan Gustavsson, Tamas Lengyel et al
Journal of Lightwave Technology. Vol. 37 (9), p. 2109-2119
Journal article
2019

Intra-Array Coupling Estimation for MIMO Transceivers Utilizing Blind Over-The-Air Measurements

Sara Hesami, Sina Rezaei Aghdam, Christian Fager et al
IEEE MTT-S International Microwave Symposium Digest. Vol. 2019-June, p. 468-471
Paper in proceeding
2019

Augmented Hammerstein model for the calibration of six-port based dual band wireless receivers

Nadia Chagtmi, Noureddine Boulejfen, Weiwei Zhang et al
International Journal of RF and Microwave Computer-Aided Engineering. Vol. 29 (2)
Journal article
2019

Single Digital Predistortion Technique for Phased Array Linearization

Sara Hesami, Sina Rezaei Aghdam, Christian Fager et al
Proceedings - IEEE International Symposium on Circuits and Systems. Vol. 2019-May
Paper in proceeding
2019

Linearity and Efficiency in 5G Transmitters: New Techniques for Analyzing Efficiency, Linearity, and Linearization in a 5G Active Antenna Transmitter Context

Christian Fager, Thomas Eriksson, Filipe Barradas et al
IEEE Microwave Magazine. Vol. 20 (5), p. 35-49
Journal article
2019

Evaluation of Distributed MIMO Communication Using a Low-Complexity Sigma-Delta-over-Fiber Testbed

Ibrahim Can Sezgin, Thomas Eriksson, Johan Gustavsson et al
IEEE MTT-S International Microwave Symposium Digest. Vol. 2019-June, p. 754-757
Paper in proceeding
2019

Reducing Motion Artifacts in Microwave-Based Hemorrhagic Stroke Detection

Sina Rezaei Aghdam, Andreas Fhager, Christian Fager et al
13th European Conference on Antennas and Propagation, EuCAP 2019
Paper in proceeding
2019

Massive MU-MIMO-OFDM uplink with direct RF-sampling and 1-Bit ADCs

Sven Jacobsson, Lise Aabel, Mikael Coldrey et al
2019 IEEE Globecom Workshops, GC Wkshps 2019 - Proceedings
Paper in proceeding
2019

Thermal characteristics of vertically-integrated GaN/SiC-on-Si assemblies: A comparative study

Kimmo Rasilainen, Per Ingelhag, Peter Melin et al
Proceedings - Electronic Components and Technology Conference. Vol. 2019-May, p. 1405-1412
Paper in proceeding
2019

Combiner synthesis for active load-modulationbased power amplifiers

MUSTAFA ÖZEN, William Hallberg, Christian Fager
Radio Frequency and Microwave Power Amplifiers: Efficiency and Linearity Enhancement Techniques, p. 225-253
Book chapter
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
2019

A Low-Complexity Distributed-MIMO Testbed Based on High-Speed Sigma-Delta-Over-Fiber

Ibrahim Can Sezgin, Martin Dahlgren, Thomas Eriksson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 67 (7), p. 2861-2872
Journal article
2018

A Flexible Multi-Gbps Transmitter Using Ultra-High Speed Sigma- Delta-over- Fiber

Ibrahim Can Sezgin, Thomas Eriksson, Johan Gustavsson et al
IEEE MTT-S International Microwave Symposium Digest. Vol. 2018-June, p. 1195-1198
Paper in proceeding
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

Investigations of Active Antenna Doherty Power Amplifier Modules Under Beam-Steering Mismatch

Bersant Gashi, Sebastian Krause, Rudiger Quay et al
IEEE Microwave and Wireless Components Letters. Vol. 28 (10), p. 930-932
Journal article
2018

Modeling and Linearization of Multi-Antenna Transmitters Using Over-the-Air Measurements

Katharina Hausmair, Ulf Gustavsson, Christian Fager et al
Proceedings - IEEE International Symposium on Circuits and Systems. Vol. 2018-May
Paper in proceeding
2018

Accurate Modeling of GaN HEMT RF Behavior Using an Effective Trapping Potential

Ankur Prasad, Mattias Thorsell, Herbert Zirath et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (2), p. 845-857
Journal article
2018

Lower Bound for the Normalized Mean Square Error in Power Amplifier Linearization

Jessica Chani Cahuana, Christian Fager, Thomas Eriksson
IEEE Microwave and Wireless Components Letters. Vol. 28 (5), p. 425-427
Journal article
2018

RF Front-End Circuits and Architectures for IoT/LTE-A/5G Connectivity

Yan Li, Donald Y. C. Lie, Chaojiang Li et al
Wireless Communications and Mobile Computing. Vol. 2018
Other text in scientific journal
2018

Design Considerations and Evaluation of a High-Speed SAR ADC

Victor Åberg, Christian Fager, Lars Svensson
2018 IEEE Nordic Circuits and Systems Conference, NORCAS 2018: NORCHIP and International Symposium of System-on-Chip, SoC 2018 - Proceedings
Paper in proceeding
2018

A Methodology for Analysis of mm-Wave Transmitter Linearization Trade-offs Under Spectrum Constraints

H. Volkan Hunerli, Marcus Gavell, Parastoo Taghikhani et al
International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMIC 2018 - Proceedings
Paper in proceeding
2018

Characterization of linear power amplifiers for LTE applications

William Hallberg, Paolo Enrico De Falco, MUSTAFA ÖZEN et al
PAWR 2018 - Proceedings 2018 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications. Vol. 2018-January, p. 32-34
Paper in proceeding
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

Digital Predistortion for Multi-Antenna Transmitters Affected by Antenna Crosstalk

Katharina Hausmair, Per Landin, Ulf Gustavsson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (3), p. 1524-1535
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
2018

Analysis and Design of a Doherty-Like RF-Input Load Modulated Balanced Amplifier

Prathamesh H. Pednekar, William Hallberg, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (12), p. 5322-5335
Journal article
2017

Driver Topologies for RF Doherty Power Amplifiers

Paul Saad, Zahra Asghari, Christian Fager et al
IEEE Microwave and Wireless Components Letters. Vol. 27 (1), p. 67-69
Journal article
2017

Prediction of Nonlinear Distortion in Wideband Active Antenna Arrays

Katharina Hausmair, Sebastian Gustafsson, Cesar Sanchez Perez et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 65 (11), p. 4550-4563
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

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
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

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

Efficient Millimeter Wave Doherty PA Design Based on a Low-Loss Combiner Synthesis Technique

MUSTAFA ÖZEN, Narek Rostomyan, Klaus Aufinger et al
IEEE Microwave and Wireless Components Letters. Vol. 27 (12), p. 1143-1145
Journal article
2017

A Generalized Combiner Synthesis Technique for Class-E Outphasing Transmitters

MUSTAFA ÖZEN, M. P. Van Der Heijden, M. Acar et al
IEEE Transactions on Circuits and Systems I: Regular Papers. Vol. 64 (5), p. 1126-1139
Journal article
2017

Digital Predistortion Parameter Identification for RF Power Amplifiers Using Real-Valued Output Data

Jessica Chani Cahuana, Thomas Eriksson, Christian Fager et al
IEEE Transactions on Circuits and Systems II: Express Briefs. Vol. 64 (10), p. 1227-1231
Journal article
2016

Doherty's Legacy

R. Pengelly, Christian Fager, MUSTAFA ÖZEN
IEEE Microwave Magazine. Vol. 17 (2), p. 41-58
Review article
2016

Digital Predistorter Model Derivation Based on Iterative Learning Control

Jessica Chani Cahuana, Per Landin, Christian Fager et al
IEEE European Microwave Conference
Paper in proceeding
2016

Accurate Circuit Characterization Methods for mm‐Wave 5G Systems

Sebastian Gustafsson, Mattias Thorsell, Jörgen Stenarson et al
GigaHertz Symposium, March, Linköping
Other conference contribution
2016

Symmetrical Doherty Power Amplifier With Extended Efficiency Range

MUSTAFA ÖZEN, K. Andersson, Christian Fager
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (4), p. 1273-1284
Journal article
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
2016

Current scaled Doherty amplifier for high efficiency and high linearity

William Hallberg, MUSTAFA ÖZEN, Christian Fager
IEEE MTT-S International Microwave Symposium Digest. Vol. 2016-August, p. Art. no. 7540185-
Paper in proceeding
2016

Iterative Learning Control for RF Power Amplifier Linearization

Jessica Chani Cahuana, P. N. Landin, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (9), p. 2778-2789
Journal article
2016

Structured Digital Predistorter Model Derivation Based on Iterative Learning Control

Jessica Chani Cahuana, P. N. Landin, Christian Fager et al
2016 46th European Microwave Conference, p. 178-181
Paper in proceeding
2015

Outphasing combiner synthesis from transistor load pull data

M Pamoin-Gonzalez, MUSTAFA ÖZEN, Cesar Sanchez Perez et al
2015 IEEE MTT-S International Microwave Symposium, IMS 2015
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
2015

A class-J power amplifier with varactor-based dynamic load modulation across a large bandwidth

William Hallberg, David Gustafsson, MUSTAFA ÖZEN et al
2015 IEEE MTT-S International Microwave Symposium, IMS 2015
Paper in proceeding
2015

WebLab: A Web-Based Setup for PA Digital Predistortion and Characterization

Per Landin, Sebastian Gustafsson, Christian Fager et al
IEEE Microwave Magazine. Vol. 16 (1), p. 138-140
Journal article
2015

Symmetry based nonlinear model for GaN HEMTs

Ankur Prasad, Mattias Thorsell, Klas Yhland et al
10th European Microwave Integrated Circuits Conference (EuMIC), 2015, p. 85-88
Paper in proceeding
2015

A new variant of the indirect learning architecture for the linearization of power amplifiers

Jessica Chani Cahuana, Christian Fager, Thomas Eriksson
2015 European Microwave Conference (EuMIC), p. 444-447
Paper in proceeding
2015

An Oscilloscope Correction Method for Vector-Corrected RF Measurements

Sebastian Gustafsson, Mattias Thorsell, Jörgen Stenarson et al
IEEE Transactions on Instrumentation and Measurement. Vol. 64 (9), p. 2541-2547
Journal article
2015

Symmetry based Nonlinear Model for GaN

Ankur Prasad, Mattias Thorsell, Klas Yhland et al
2015 10th European Microwave Integrated Circuits Conference (Eumic), p. 85-88
Journal article
2015

Optimized Design of a Dual-Band Power Amplifier With SiC Varactor-Based Dynamic Load Modulation

Cesar Sanchez Perez, MUSTAFA ÖZEN, Christer Andersson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 63 (8), p. 2579-2588
Journal article
2014

Linearization of Difficult Cases - MIMO, GaN and Deep Compression

Thomas Eriksson, Christian Fager, Per Landin et al
Gigahertz Symposium
Other conference contribution
2014

Design Method for Quasi-Optimal Multiband Branch-Line Couplers

L. Piazzon, Paul Saad, P. Colantonio et al
International Journal of RF and Microwave Computer-Aided Engineering. Vol. 24 (1), p. 117-129
Journal article
2014

Efficient and Wideband Power Amplifiers for Wireless Infrastructure Applications

Christian Fager, Ulf Gustavsson, Christer Andersson et al
Gigahertz Symposium
Other conference contribution
2014

Wideband and efficient watt-level SiGe BiCMOS switching mode power amplifier using continuous class-E modes theory

MUSTAFA ÖZEN, M. Acar, M.P. Van Der Heijden et al
Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium, p. 243-246
Paper in proceeding
2014

Scalability Analysis and Modeling of Future Massive MIMO Antenna Array Systems

Rob Maaskant, Christian Fager, Xavier Bland et al
Gigahertz Symposium
Other conference contribution
2014

On the Impact of Hardware Impairments on Massive MIMO

Ulf Gustavsson, Cesar Sanchez Perez, Thomas Eriksson et al
IEEE Globecom 2014 Workshop - Massive MIMO: From Theory to Practice, 2014-12-08, Austin, Texas, USA, p. 294-300
Paper in proceeding
2014

A GaN MMIC Modified Doherty PA With Large Bandwidth and Reconfigurable Efficiency

David Gustafsson, Jessica Chani Cahuana, Dan Kuylenstierna et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 62 (12), p. 3006-3016
Journal article
2014

Efficiency optimization for phase controlled multi-source microwave oven

A. Wieckowski, P. Korpas, M. Krysicki et al
International Journal of Applied Electromagnetics and Mechanics. Vol. 44 (2), p. 235-241
Journal article
2014

Prediction of smart antenna transmitter characteristics using a new behavioral modeling approach

Christian Fager, Xavier Bland, Katharina Hausmair et al
IEEE MTT-S International Microwave Symposium Digest
Paper in proceeding
2014

Digital predistortion of concurrent multiband communication systems

Thomas Eriksson, Christian Fager
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, p. 3918-3922
Paper in proceeding
2014

Symmetrical doherty amplifier with high efficiency over large output power dynamic range

MUSTAFA ÖZEN, Christian Fager
IEEE MTT-S International Microwave Symposium Digest
Paper in proceeding
2014

Linearization of dual-input Doherty power amplifiers

Jessica Chani Cahuana, Per Landin, David Gustafsson et al
International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2014, p. Art. no. 6815085-
Paper in proceeding
2014

Symmetrical modeling of GaN HEMTS

Ankur Prasad, Christian Fager, Mattias Thorsell et al
Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC
Paper in proceeding
2014

Symmetrical Large-Signal Modeling of Microwave Switch FETs

Ankur Prasad, Christian Fager, Mattias Thorsell et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 62 (8), p. 1590-1598
Journal article
2013

A packaged 86 W GaN transmitter with SiC varactor-based dynamic load modulation

Christer Andersson, MUSTAFA ÖZEN, David Gustafsson et al
43rd European Microwave Conference, EuMC 2013 - Held as Part of the 16th European Microwave Week, EuMW 2013, Nuremberg, Germany, 7-10 October 2013, p. 283-286
Paper in proceeding
2013

Investigation of Push-Pull Microwave Power Amplifiers Using an Advanced Measurement Setup

Paul Saad, Mattias Thorsell, Kristoffer Andersson et al
IEEE Microwave and Wireless Components Letters. Vol. 23 (4), p. 220-222
Journal article
2013

Linearity, Intermodulation Distortion and ACLR in Outphasing Amplifiers

J Fritzin, A. Alvandpour, Per Landin et al
IEEE MTT-S International Microwave Symposium Digest
Paper in proceeding
2013

A 1-3-GHz Digitally Controlled Dual-RF Input Power-Amplifier Design Based on a Doherty-Outphasing Continuum Analysis

Christer Andersson, David Gustafsson, Jessica Chani Cahuana et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (10), p. 3743-3752
Journal article
2013

A 44 dBm 1.0-3.0 GHz GaN Power Amplifier with over 45% PAE at 6 dB back-off

David Gustafsson, Christer Andersson, Richard Hellberg et al
IEEE MTT-S International Microwave Symposium Digest
Paper in proceeding
2013

A Modified Doherty Power Amplifier With Extended Bandwidth and Reconfigurable Efficiency

David Gustafsson, Christer Andersson, Christian Fager
IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (1), p. 533-542
Journal article
2013

An analysis of the suitability of using CW-theory when designing Doherty PAs for wideband or concurrent multi-band operation

David Gustafsson, Christer Andersson, Christian Fager
43rd European Microwave Conference, EuMC 2013 - Held as Part of the 16th European Microwave Week, EuMW 2013, Nuremberg, Germany, 7-10 October 2013, p. 287-290
Paper in proceeding
2013

LDMOS Modeling

Szhau Lai, Christian Fager, Dan Kuylenstierna et al
IEEE Microwave Magazine. Vol. 14 (1), p. 108-116
Journal article
2013

A Novel Active Load-pull System with Multi-Band Capabilities

Sebastian Gustafsson, Mattias Thorsell, Christian Fager
81st ARFTG Microwave Measurement Conference
Paper in proceeding
2013

A Wideband and Compact GaN MMIC Doherty Amplifier for Microwave Link Applications

David Gustafsson, Jessica Chani Cahuana, Dan Kuylenstierna et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (2), p. 922-930
Journal article
2012

Oscilloscope based two-port measurement system using error-corrected modulated signals

Kristoffer Andersson, Christian Fager
2012 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMIC 2012
Paper in proceeding
2012

Branch-Line Coupler Design Operating in Four Arbitrary Frequencies

L. Piazzon, Paul Saad, P. Colantonio et al
IEEE Microwave and Wireless Components Letters. Vol. 22 (2), p. 67-69
Journal article
2012

2-D Enhanced Hammerstein Behavior Model for Concurrent Dual-Band Power Amplifier

Junghwan Moon, Paul Saad, Junghwan Son et al
European Microwave Integrated Circuits Conference
Paper in proceeding
2012

Design of a Concurrent Dual-Band 1.8-2.4-GHz GaN-HEMT Doherty Power Amplifier

Paul Saad, P. Colantonio, L. Piazzon et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (6), p. 1840-1849
Journal article
2012

Digital Predistortion for Dual-Input Doherty Amplifiers

Haiying Cao, Jawad Qureshi, Thomas Eriksson et al
RWW 2012 - Proceedings. 2012 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications, PAWR 2012. Santa Clara, CA, 15-18 January 2012, p. 45-48
Paper in proceeding
2012

Concurrent Dual-Band GaN-HEMT Power Amplifier at 1.8 GHz and 2.4 GHz

Paul Saad, P. Colantonio, Junghwan Moon et al
13th annual IEEE Wireless and Microwave Technology Conference
Paper in proceeding
2012

Multi-band/Multi-mode and Efficient Transmitter Based on a Doherty Power Amplifier

Paul Saad, L. Piazzon, P. Colantonio et al
7th European Microwave Integrated Circuits Conference, EuMIC 2012 - Held as Part of 15th European Microwave Week, EuMW 2012; Amsterdam; Netherlands; 29 October 2012 through 30 October 2012, p. 1031-1034
Paper in proceeding
2012

Linearization Study of a Highly Efficient CMOS-GaN RF Pulse Width Modulation Based Transmitter

MUSTAFA ÖZEN, Christer Andersson, Thomas Eriksson et al
European Microwave Conference, p. 136-139
Paper in proceeding
2012

2-D enhanced hammerstein behavior model for concurrent dual-band power amplifiers

J. Moon, Paul Saad, J. Son et al
European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 42nd European Microwave Conference, EuMC 2012, p. 1249-1252
Paper in proceeding
2012

A novel wideband and reconfigurable high average efficiency power amplifier

David Gustafsson, Christer Andersson, Christian Fager
IEEE MTT-S International Microwave Symposium Digest
Paper in proceeding
2012

Theory and Design of Class-J Power Amplifiers With Dynamic Load Modulation

Christer Andersson, David Gustafsson, Koji Yamanaka et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (12), p. 3778-3786
Journal article
2012

Decade bandwidth high efficiency GaN HEMT power amplifier designed with resistive harmonic loading

Christer Andersson, J. Moon, Christian Fager et al
IEEE MTT-S International Microwave Symposium Digest
Paper in proceeding
2012

An RF Carrier Bursting System using Partial Quantization Noise Cancellation

Ulf Gustavsson, Thomas Eriksson, Hossein Mashad Nemati et al
IEEE Transactions on Circuits and Systems I: Regular Papers. Vol. 59 (3), p. 515-528
Journal article
2012

Digital Predistortion for High Efficiency Power Amplifier Architectures Using a Dual-input Modeling Approach

Haiying Cao, Hossein Mashad Nemati, Ali Soltani Tehrani et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (2), p. 361-369
Journal article
2012

Modeling of Long Term Memory Effects in RF Power Amplifiers with Dynamic Parameters

Ali Soltani Tehrani, Thomas Eriksson, Christian Fager
IEEE MTT-S International Microwave Symposium Digest, p. Art. no. 6259496-
Paper in proceeding
2012

Continuous Class-E Power Amplifier Modes

MUSTAFA ÖZEN, Rik Jos, Christian Fager
IEEE Transactions on Circuits and Systems II: Express Briefs. Vol. 59 (11), p. 731-735
Journal article
2012

Digital Predistortion Using a Vector Switched Model

Sepideh Afsar Doost, Thomas Eriksson, Christian Fager
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (4), p. 1166-1174
Journal article
2011

Varactor-Based Dynamic Load Modulation of RF PAs

Hossein Mashad Nemati, Björn Almgren, Christer Andersson et al
European Microwave Conference, Manchester, Workshop "RF PA Efficiency Enhancement Techniques"
Other conference contribution
2011

Comparison of bandwidth reduction schemes in dynamic load modulation power amplifier architectures

Haiying Cao, Christian Fager, Talha Khan et al
IEEE Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC), 2011, p. 1-4
Paper in proceeding
2011

High-Efficiency Power Amplifier

Hossein Mashad Nemati, Paul Saad, Christian Fager et al
IEEE Microwave Magazine. Vol. 12 (1), p. 81-84
Journal article
2011

Uncertainties in small-signal equivalent circuit modeling

Christian Fager, Kristoffer Andersson, Mattias Ferndahl
Nonlinear Transistor Model Parameter Extraction Techniques
Book chapter
2011

Nonlinear Transistor Model Parameter Extraction Techniques

Mathias Rudolph, Christian Fager, David Root
Edited book
2011

High-Efficiency RF Pulsewidth Modulation of Class-E Power Amplifiers

MUSTAFA ÖZEN, Hendrikus Jos, Christer Andersson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 59 (11), p. 2931-2942
Magazine article
2011

A double stub impedance tuner with SiC diode varactors

Roberto Quaglia, Christer Andersson, Christian Fager et al
Asia Pacific Microwave Conference APMC 2011; Melbourne, VIC; 5 - 8 December 2011, p. 267-270
Paper in proceeding
2011

Highly efficient GaN-HEMT power amplifiers at 3.5 GHz and 5.5 GHz

Paul Saad, Hossein Mashad Nemati, Kristoffer Andersson et al
2011 IEEE 12th Annual Wireless and Microwave Technology Conference, WAMICON 2011
Paper in proceeding
2011

High efficiency power amplifier design using switch mode optimized transistor models

Christian Fager, Hossein Mashad Nemati, Paul Saad et al
IEEE International Microwave Conference, Baltimore, Workshop on WMJ: Compact Equivalent Circuits and Table Based FET Models ‐ Is There One Winner for Circuit Designers and Foundries?
Other conference contribution
2011

High efficiency RF pulse width modulation with tunable load network class-E PA

MUSTAFA ÖZEN, Christer Andersson, Mattias Thorsell et al
2011 IEEE 12th Annual Wireless and Microwave Technology Conference, WAMICON 2011
Paper in proceeding
2011

Measurement setup for digital predistortion adaptation

Ali Soltani Tehrani, Thomas Eriksson, Christian Fager
RF Measurement Technology Conference, Gävle 2011
Other conference contribution
2010

Quantization Noise Minimization in ΣΔ-modulation based RF Transmitter Architectures

Ulf Gustavsson, Thomas Eriksson, Christian Fager
IEEE Transactions on Circuits and Systems I: Regular Papers. Vol. 57 (12), p. 3082-3091
Journal article
2010

High Efficiency Transmitter Using Varactor Based Dynamic Load Modulation

Christian Fager, Haiying Cao, Thomas Eriksson et al
IEEE International Microwave Workshop Series on “RF Front-ends for Software Defined and Cognitive Radio Solutions”, p. 37-40
Paper in proceeding
2010

A highly efficient 1-GHz, 15-W power amplifier design based on a 50-V LDMOS transistor

Peter Singerl, Christian Fager, Z Wang et al
IEEE MTT-S International Microwave Symposium Digest, p. 1102-1105
Paper in proceeding
2010

Design of Highly Efficient Load Modulation Transmitter for Wideband Cellular Applications

Hossein Mashad Nemati, Haiying Cao, B. Almgren et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 58 (11), p. 2820-2828
Journal article
2010

Successive Cancellation of Power Amplifier Distortion for Multiuser Detection

Ali Soltani Tehrani, Ali Behravan, Haiying Cao et al
IEEE Vehicular Technology Conference
Paper in proceeding
2010

Band-reconfigurable LDMOS power amplifier

Hossein Mashad Nemati, Jan Grahn, Christian Fager
2010 European Microwave Conference, p. 978-981
Paper in proceeding
2010

Linearization of Efficiency-Optimized Dynamic Load Modulation Transmitter Architectures

Haiying Cao, Hossein Mashad Nemati, Ali Soltani Tehrani et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 58 (4), p. 873-881
Journal article
2010

Highly Efficient Dynamic Load Modulation Transmitter

Christian Fager, Hossein Mashad Nemati, Haiying Cao et al
Prog. GigaHertz 2010
Other conference contribution
2010

Design of a Highly Efficient 2–4-GHz Octave Bandwidth GaN-HEMT Power Amplifier

Paul Saad, Christian Fager, Haiying Cao et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 58 (7), p. 1677-1685
Journal article
2010

Complexity Analysis of Power Amplifier Behavioral Models

Ali Soltani Tehrani, Haiying Cao, Christian Fager et al
International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits, p. 102-105
Paper in proceeding
2010

Model-Based Adaptation of RF Power Amplifiers

Thomas Eriksson, Ali Soltani Tehrani, Christian Fager
GHz Symposium 2010
Other conference contribution
2010

A broadband, efficient, overdriven class-J RF power amplifier for burst mode operation

D.R. Parveg, P. Singerl, A. Wiesbauer et al
European Microwave Week 2010: Connecting the World, EuMIC 2010 - Conference Proceedings, p. 424-427
Other conference contribution
2010

A Comparative Analysis of the Complexity/Accuracy Tradeoff in Power Amplifier Behavioral Models

Ali Soltani Tehrani, Haiying Cao, Sepideh Afsar Doost et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 58 (6), p. 1510-1520
Journal article
2010

A highly efficient 3.5 GHz inverse class-F GaN HEMT power amplifier

Paul Saad, Christian Fager, Hossein Mashad Nemati et al
International Journal of Microwave and Wireless Technologies. Vol. 2 (3-4), p. 317-324
Journal article
2010

Low-complexity volterra modeling of power amplifiers

Thomas Eriksson, Ali Soltani Tehrani, Haiying Cao et al
2010 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2010; Goteborg; 26 April 2010 through 27 April 2010, p. 136-139
Paper in proceeding
2010

Evaluation of a GaN HEMT transistor for load- and supply-modulation applications using intrinsic waveform measurements

Hossein Mashad Nemati, Alan L. Clarke, Steve C. Cripps et al
IEEE MTT-S International Microwave Symposium Digest, p. 509-512
Paper in proceeding
2009

Time Mismatch Effects in a Dynamic Load Modulation Transmitter Architecture

Haiying Cao, Ali Soltani Tehrani, Hossein Mashad Nemati et al
RF Measurement Technology for State of the Art Production and Design(RFMTC09)
Other conference contribution
2009

A general method for passband quantization noise suppression in pulsed transmitter architectures.

Ulf Gustavsson, Christian Fager, Thomas Eriksson
Microwave Symposium Digest, 2009. MTT '09. IEEE MTT-S International., p. 1529 - 1532
Journal article
2009

Nonideality sources and implementation considerations in polar transmitters

Jose A. Garcia, Jose C. Pedro, Pedro Miguel Cabral et al
International Journal of Microwave and Wireless Technologies. Vol. 1 (2), p. 109-116
Journal article
2009

Multi-line TRL calibration compared to a general de-embedding method

Mattias Ferndahl, Kristoffer Andersson, Christian Fager
ARFTG 73rd Microwave Measurement Conference. Vol. 1
Paper in proceeding
2009

Design of Varactor-Based Tunable Matching Networks for Dynamic Load Modulation of High Power Amplifiers

Hossein Mashad Nemati, Christian Fager, Ulf Gustavsson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 57 (5), p. 1110-1118
Journal article
2009

Dual-Input Nonlinear Modeling for I/Q Modulator Distortion Compensation

Haiying Cao, Ali Soltani Tehrani, Christian Fager et al
2009 IEEE Radio and Wireless Symposium, RWS 2009; San Diego, CA; United States; 18 January 2008 through 22 January 2008, p. 39-42
Paper in proceeding
2009

Characterization Setup for Device Level Dynamic Load Modulation Measurements

Mattias Thorsell, Kristoffer Andersson, Christian Fager
International Microwave Symposium Digest, 2009, Boston
Paper in proceeding
2009

High-Efficiency LDMOS Power-Amplifier Design at 1 GHz Using an Optimized Transistor Model

Hossein Mashad Nemati, Christian Fager, Mattias Thorsell et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 57 (7), p. 1647-1654
Journal article
2009

Design of High Efficiency Ka-Band Harmonically Tuned Power Amplifiers

Hossein Mashad Nemati, Mattias Ferndahl, Iltcho Angelov et al
2009 IEEE Radio and Wireless Symposium, RWS 2009; San Diego, CA; United States; 18 January 2008 through 22 January 2008, p. 264-267
Paper in proceeding
2009

Dynamic load modulation of high power amplifiers with varactor-based matching networks

Ali Soltani Tehrani, Hossein Mashad Nemati, Haiying Cao et al
IEEE MTT-S International Microwave Symposium Digest, p. 1537-1540
Paper in proceeding
2009

Evaluation of high efficiency PAs for use in supply- and load-modulation transmitters

Christian Fager, Hossein Mashad Nemati, Ulf Gustavsson et al
IEEE Topical Symposium on Power Amplifiers for Wireless Communications
Paper in proceeding
2009

An Inverse Class-F GaN HEMT Power Amplifier with 78% PAE at 3.5 GHz

Paul Saad, Hossein Mashad Nemati, Mattias Thorsell et al
Microwave Conference, 2009. EuMC 2009. European, Sept. 29 2009-Oct. 1 2009, Rome, p. 496-499
Paper in proceeding
2009

I/Q Imbalance Compensation Using a Nonlinear Modeling Approach

Haiying Cao, Ali Soltani Tehrani, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 57 (3), p. 513-518
Journal article
2009

Noise-Shaped Coding and Quantization Noise Suppression for Pulsed Transmitter Architectures

Ulf Gustavsson, Christian Fager, Thomas Eriksson
RFMTC
Other conference contribution
2009

Time Alignment in a Dynamic Load Modulation Transmitter Architecture

Haiying Cao, Ali Soltani Tehrani, Hossein Mashad Nemati et al
Proceedings of the 39th European Microwave Conference, EuMC 2009, Sept. 29-Oct. 1 2009, Rome, p. 1211 - 1214
Paper in proceeding
2008

Compensation of Transmitter Distortion Using a Nonlinear Modeling Approach

Haiying Cao, Ali Soltani Tehrani, Christian Fager et al
International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits 2008, p. 131-134
Paper in proceeding
2008

A General Statistical Equivalent-Circuit-Based De-Embedding Procedure for High-Frequency Measurements

Mattias Ferndahl, Christian Fager, Kristoffer Andersson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 56 (12), p. 2692-2700
Journal article
2008

Characterization of switched mode LDMOS and GaN power amplifiers for optimal use in polar transmitter architectures

Hossein Mashad Nemati, Christian Fager, Ulf Gustavsson et al
IEEE MTT-S International Microwave Symposium Digest, p. 1505-1508
Paper in proceeding
2008

Practical realizations of high efficiency switched mode power amplifiers

Hossein Mashad Nemati, Christian Fager, Ulf Gustavsson et al
German Microwave Conference, GEMIC 2008; Hamburg University of Technology (TUHH)Hamburg-Harburg; Germany; 10 March 2008 through 12 March 2008
Other conference contribution
2008

Comparative analysis of the complexity/accuracy tradeoff for power amplifier behavior models

Ali Soltani Tehrani, Haiying Cao, Thomas Eriksson et al
Gigahertz Symposium 2008
Other conference contribution
2008

Identification of Distortions in a RF Measurement System

Haiying Cao, Ali Soltani Tehrani, Christian Fager et al
GHz Symposium 2008
Other conference contribution
2008

Characterization of Switch Mode LDMOS and GaN Power Amplifiers for Optimal Use in Polar Transmitter Architectures

Hossein Mashad Nemati, Christian Fager, Ulf Gustavsson et al
Proc. IEEE International Microwave Symposium, p. 1505 - 1508
Paper in proceeding
2008

Nonideality Sources and Implementation Considerations in Polar Transmitters

J.A. Garcia, J.C. Pedro, Christian Fager et al
Proc. European Microwave Association (EuMA), 2008
Paper in proceeding
2008

SiC Varactors for Dynamic Load Modulation of High Power Amplifiers

Mattias Sudow, Hossein Mashad Nemati, Mattias Thorsell et al
IEEE Electron Device Letters. Vol. 29 (7), p. 728-730
Journal article
2008

Power Amplifier Behavioral Modeling Performance Comparison of the LSNA and the modulation-domain system

Per Landin, Christian Fager, Magnus Isaksson et al
Proc. 72nd ARFTG Conference
Paper in proceeding
2008

Modeling of dual-input power amplifiers

Thomas Eriksson, Christian Fager, Haiying Cao et al
Gigahertz Symposium 2008
Other conference contribution
2008

Orthonormal-basis power amplifier model reduction

Ali Soltani Tehrani, Haiying Cao, Thomas Eriksson et al
Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, 2008. INMMIC 2008., p. 39-42
Paper in proceeding
2008

An efficiency optimized controlling scheme for dynamic load modulation of power amplifiers

Hossein Mashad Nemati, Christian Fager, Ulf Gustavsson et al
European Microwave Conf., Proc., Oct. 2008, p. 583-586
Paper in proceeding
2008

Voltage/Current mode class D amplifiers and their applications

Christian Fager, Hossein Mashad Nemati, Ulf Gustavsson et al
Proc. IEEE Radio Wireless Symposium (Workshop: Transmitter Design for High Power Efficiency: The path from device to advanced system architectures)
Other conference contribution
2008

On-wafer network analyser uncertainty estimation

Jörgen Stenarson, Kristoffer Andersson, Christian Fager et al
Proc. GigaHertz 2008
Other conference contribution
2007

60 GHz Single-Chip Front-End MMICs and Systems for Multi-Gbps Wireless Communication

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al
IEEE Journal of Solid-State Circuits. Vol. 42 (5), p. 1143 - 1157
Journal article
2007

Single stage CMOS Power Amplifier at 23 GHz

Hossein Mashad Nemati, Mattias Ferndahl, Christian Fager et al
Abstarct and presentation in Workshop: RF Measurement Technology, for State of the Art Production and Design
Other conference contribution
2007

Large Signal IMD Behaviour: Load Line and Bias

Christian Fager
Proc. European Microwave Conference - Short course on Device Level Linearization Techniques
Other conference contribution
2007

Design of highly efficient, high output power, L-band class D-1 RF power amplifiers using GaN MESFET devices

Ulf Gustavsson, T. Lejon, Christian Fager et al
Proc. European Conference on Wireless Technologies, p. 371-374
Paper in proceeding
2007

Modulated Switching Mode Power Amplifiers: A New Paradigm for the Power-Efficiency vs. Spectrum-Efficiency Trade-Off

J.C. Pedro, P Cabral, Christian Fager et al
Proc. European Microwave Conference - Workshop on Wireless transmitter design for future wireless systems
Other conference contribution
2007

Polar/ET Transmitters: Non-Idealities and Practical Implementation Aspects

Christian Fager, J.C. Pedro, P. Cabral et al
Proc. European Microwave Conference - Workshop on Wireless transmitter design for future wireless systems
Other conference contribution
2007

System Level Modelling of RF Power Amplifiers Based on Large-Signal Measurements

Christian Fager, P Lavrador, M Myslinski et al
Proc. European Microwave Integrated Circuits Conference, p. 131-134
Paper in proceeding
2007

High Efficiency Modulation of Switched Mode LDMOS Power Amplifiers

Christian Fager, Ulf Gustavsson, Hossein Mashad Nemati et al
Proc. 11th International Symposium on Microwave and Optical Technology
Paper in proceeding
2006

Modelling of LDMOSFET and GaN devices

Christian Fager, N.B. Carvalho
Proc. European Microwave Conference - Workshop on RF Device Modelling
Other conference contribution
2006

Improvement of Oscilloscope Based RF Measurements by Statistical Averaging Techniques

Christian Fager, Kristoffer Andersson
IEEE MTT-S International Microwave Symposium Digest, p. 1460-1463
Paper in proceeding
2006

Modelling of LDMOSFET and GaN devices (invited)

Christian Fager, N.B. Carvalho
Proc. European Microwave Conference - Workshop on RF Device Modelling
Other conference contribution
2006

Statistical estimation of the propagation constant in multiline calibrations

Kristoffer Andersson, Christian Fager
67th ARFTG conference
Paper in proceeding
2006

Single-Chip 60 GHz Transmitter and Receiver MMICs in a GaAs mHEMT Technology

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al
Proceedings of IEEE MTT-S International Microwave Symposium, 11-16 June, 2006, p. 801-804
Paper in proceeding
2006

High Efficiency LDMOS Current Mode Class-D Power amplifier at 1 GHz

Hossein Mashad Nemati, Christian Fager, Herbert Zirath
36th European Microwave Conference. Vol. 1 (1), p. 176-9
Paper in proceeding
2005

Highly Integrated 60 GHz Transmitter and Receiver MMICs in a GaAs pHEMT Technology

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al
IEEE Journal of Solid-State Circuits
Journal article
2005

Understanding and accurate modelling of nonlinear LDMOS transistor dc characteristics

Christian Fager, K.-H. Eklund, Herbert Zirath
GigaHertz 2005. Vol. 1 (1), p. 181-4
Paper in proceeding
2005

Systems and Applications for Broadband Wireless Communication in the 60 GHz band

Christian Fager, Sten Gunnarsson, A. Alping et al
GigaHertz 2005. Vol. 1 (1), p. 175-80
Paper in proceeding
2005

Equivalent circuit modeling of LDMOS transistors

Christian Fager
TARGET Winter School: RF device characterisation and modelling / Langer, E., Mayer, M.
Other conference contribution
2005

Understanding and prediction of IMD behaviour in power amplifiers

Christian Fager
Characterization and Modelling Approaches for Advanced Linearisation Techniques / Garcia, J.A., Sainz de la Maza, J.M.Z
Book chapter
2005

A general procedure for extraction of bias dependent dynamic self heating model parameters

Kristoffer Andersson, Christian Fager, J.C. Pedro
Microwave Symposium Digest, 2005 IEEE MTT-S International, p. 1159-1162
Paper in proceeding
2005

Single-Chip 60 GHz Transmitter and Receiver MMICs for Very High Speed (several Gigabit/s) Wireless Transmission

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al
GigaHertz 2005
Other conference contribution
2004

Optimization of power amplifier transfer characteristics

Christian Fager, Herbert Zirath
European Microwave Conference, p. 1325-28
Paper in proceeding
2004

Linearity versus efficiency in mobile handset power amplifiers: A battle without a loser

J.C. Pedro, N.B. Carvalho, Christian Fager et al
Microwave Engineering Europe (Aug/Sept), p. 19-26
Magazine article
2004

Statistical Estimation of small signal FET model parameters and their covariance

Kristoffer Andersson, Christian Fager, Peter Linner et al
IEEE MTT-S International Microwave Symposium
Paper in proceeding
2004

A comprehensive analysis of IMD behavior in RF CMOS power amplifiers

Christian Fager, Jose C. Pedro, Nuno Carvalho et al
IEEE Journal of Solid-State Circuits. Vol. 39 (1), p. 24-34
Journal article
2003

Microwave FET Modeling and Applications

Christian Fager
Doctoral thesis
2002

Intermodulation distortion behavior in LDMOS transistor amplifiers

Christian Fager, J.C. Pedro, N. Borges et al
IEEE MTT-S International Microwave Symposium. Vol. 1, p. 131-4
Paper in proceeding
2002

Optimal parameter extraction and uncertainty estimation in intrinsic FET small-signal models

Christian Fager, Peter Linner, J.C. Pedro
IEEE Transactions on Microwave Theory and Techniques. Vol. 50 (Dec.), p. 2797-803
Journal article
2002

Prediction of IMD in LDMOS transistor amplifiers using a new large-signal model

Christian Fager, J.C. Pedro, N.B. Carvalho et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 50 (Dec.), p. 2834-42
Journal article
2002

Uncertainty estimation and optimal extraction of intrinsic FET small-signal model parameters

Christian Fager, Peter Linner, J.C. Pedro
IEEE MTT-S International Microwave Symposium. Vol. 2, p. 729-32
Paper in proceeding
2001

MMIC FET frequency doublers and FMCW radar transceivers

Christian Fager
Licentiate thesis
2000

High output power, broadband 28-56 GHz MMIC frequency doubler

Christian Fager, Lars Landén, Herbert Zirath
IEEE MTT-S International Microwave Symposium / Perkins, T., p. 1589-91 vol.3
Paper in proceeding
1999

Characterisation of an FMCW radar transceiver

Christian Fager
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Showing 23 research projects

2024–2026

D-MIMO for 6G: An online accessible testbed

Christian Fager Microwave Electronics
VINNOVA

1 publication exists
2023–2024

Reconfigurable Transmit/Receive Front-End for Multifunctional Sensors

Christian Fager Microwave Electronics
VINNOVA

2023–2029

classIC - Chalmers Lund Center for Advanced Semiconductor System Design

Christian Fager Microwave Electronics
Per Larsson-Edefors VLSI Systems
Gregor Lasser Microwave Electronics
Marianna Ivashina Antennas
Thomas Eriksson Communication Systems
Per Stenström Computer and Network Systems
Lars Svensson VLSI Systems
Swedish Foundation for Strategic Research (SSF)

1 publication exists
2023–2026

Affordable smart GaN IC solutions as enabler of greener applications (ALL2GaN)

Gregor Lasser Microwave Electronics
Christian Fager Microwave Electronics
Mattias Thorsell Microwave Electronics
Lucian Petrisor Ion Microwave Electronics
Hossein Zaheri Microwave Electronics
VINNOVA
European Commission (EC)

2023–2026

A Dual-frequency Distributed MIMO Approach for Future 6G Applications

Christian Fager Microwave Electronics
European Commission (EC)

2023–2025

European Core Technologies for Next Generation Communication-Computing Hardware

Christian Fager Microwave Electronics
European Commission (EC)

1 publication exists
2022–2025

Helintegrerad suppereffektiv frekvenskam-sändare

Jochen Schröder Photonics
Christian Fager Microwave Electronics
Raphaël Van Laer Quantum Technology
Swedish Research Council (VR)

1 publication exists
2021–2024

Development of the national infrastructure for microwave and terahertz characterization: expanding the use of the electromagnetic spectrum

Jan Stake Terahertz and Millimetre Wave Laboratory
Dan Kuylenstierna Microwave Electronics
Marianna Ivashina Antennas
Christian Fager Microwave Electronics
Mats Myremark Terahertz and Millimetre Wave Laboratory
Niklas Rorsman Microwave Electronics
Ashraf Uz Zaman Antennas
Helena Rodilla Terahertz and Millimetre Wave Laboratory
Swedish Research Council (VR)

4 publications exist
2021–2023

Reconfigurable Intelligent Sustainable Environments for 6G Wireless Networks

Henk Wymeersch Communication Systems
Tommy Svensson Communication Systems
Kamran Keykhosravi Communication Systems
Christian Fager Microwave Electronics
Zhongxia Simon He Microwave Electronics
European Commission (EC)

30 publications exist
2021–2021

Improving road safety by high-frequency 5G localization and sensing

Henk Wymeersch Communication Systems
Jonas Sjöberg Mechatronics
Christian Fager Microwave Electronics
Zhongxia Simon He Microwave Electronics
Chalmers

2020–2024

Distributed massive MIMO with low-precision components

Giuseppe Durisi Communication Systems
Christian Fager Microwave Electronics
Mikael Coldrey Communication Systems
Swedish Foundation for Strategic Research (SSF)

1 publication exists
2020–2023

All-Digital Massive MIMO-over-Fiber - A New Energy Efficient Radio Architecture for Distributed Wireless Systems

Christian Fager Microwave Electronics
Swedish Research Council (VR)

6 publications exist
2019–2023

MyWave - Efficient Millimetre-Wave Communications for mobile users

Roger Argaez Ramirez Microwave Electronics
Rob Maaskant Communication, Antennas and Optical Networks
Jafar Banar Communication Systems
Christian Fager Microwave Electronics
Marianna Ivashina Antennas
Dmitrii Kruglov Antennas
Husileng Bao Microwave Electronics
Artem Vilenskiy Antennas
Yingqi Zhang Antennas
Thomas Eriksson Communication Systems
European Commission (EC)

24 publications exist
2018–2020

gan-on-Silicon Efficient mm-wave euRopean systEm iNtegration plAtform (SERENA)

Christian Fager Microwave Electronics
European Commission (EC)

2 publications exist
2017–2019

Compact Millimeter Wave Integration Concept for Future Wireless and Sensor Systems

Christian Fager Microwave Electronics
VINNOVA

1 publication exists
2017–2021

Smarta radiosändare för framtidens millimetervågssystem

Mattias Ferndahl Microwave Electronics
Halil Volkan Hünerli Microwave Electronics
Christian Fager Microwave Electronics
Swedish Foundation for Strategic Research (SSF)

1 publication exists
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

2016–2019

All-Digital Radio-over-Fiber: A New Radio Transmitter Architecture for Future Wireless Applications

Christian Fager Microwave Electronics
Johan Gustavsson Photonics
Ibrahim Can Sezgin Microwave Electronics
Thomas Eriksson Communication Systems
Swedish Research Council (VR)

4 publications exist
2013–2017

Energy efficient millimeter wave transmitters

Dan Kuylenstierna Microwave Electronics
Christian Fager Microwave Electronics
Herbert Zirath Microwave Electronics
Niklas Rorsman Microwave Electronics
William Hallberg Microwave Electronics
Mattias Thorsell Microwave Electronics
VINNOVA

1 publication exists
2012–2015

Modeling and Signal Design for Multiple Antenna Architectures

Thomas Eriksson Communication Systems
Christian Fager Microwave Electronics
Swedish Research Council (VR)

2011–2014

High efficiency electronic cooking systems (HEECS)

Christian Fager Microwave Electronics
European Commission (EC)

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