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D-Index & Metrics

Electronics and Electrical Engineering

D-Index
42
Citations
6972
World Ranking
4126
National Ranking
69

Overview

Christian Fager is affiliated with Chalmers University of Technology in Sweden, where their research focuses on engineering with a strong emphasis on electrical and electronic engineering. Their work spans multiple subfields including condensed matter physics, aerospace engineering, media technology, and atomic and molecular physics, and optics.

The scientist's research interests are concentrated in several specialized topics related to radio frequency and microwave engineering. Key areas include:

  • Radio Frequency Integrated Circuit Design
  • Advanced Power Amplifier Design
  • Microwave Engineering and Waveguides
  • Full-Duplex Wireless Communications
  • Advanced MIMO Systems Optimization
  • Advanced Photonic Communication Systems
  • Millimeter-Wave Propagation and Modeling

Christian Fager has contributed to a number of recent publications in prominent venues. Notable papers include:

  • Implementation Challenges and Opportunities in Beyond-5G and 6G Communication, 2021, IEEE Journal of Microwaves
  • Millimeter-Wave Power Amplifier Integrated Circuits for High Dynamic Range Signals, 2021, IEEE Journal of Microwaves
  • A Generic Theory for Design of Efficient Three-Stage Doherty Power Amplifiers, 2021, IEEE Transactions on Microwave Theory and Techniques
  • Design of a Compact GaN Power Amplifier With High Efficiency and Beyond Decade Bandwidth, 2022, IEEE Microwave and Wireless Components Letters
  • A Wideband and Highly Efficient Circulator Load Modulated Power Amplifier Architecture, 2023, IEEE Transactions on Circuits and Systems I Regular Papers

Their work is frequently published in the following venues:

  • IEEE Transactions on Microwave Theory and Techniques
  • IEEE Microwave Magazine
  • arXiv (Cornell University)
  • IEEE Microwave and Wireless Technology Letters
  • IEEE Microwave and Wireless Components Letters

Collaborations have been an important part of their research output. Primary co-authors include:

  • Thomas Eriksson
  • Han Zhou
  • José-Ramón Pérez-Cisneros
  • Koen Buisman
  • Lise Aabel

This combination of research topics, publication venues, and collaborative network indicates a comprehensive engagement with the fields of microwave and radio frequency engineering, particularly focusing on power amplifier design and communication system optimization.

Best Publications

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

    Ali Soltani Tehrani;Haiying Cao;Sepideh Afsardoost;Thomas Eriksson

  • Iterative Learning Control for RF Power Amplifier Linearization

    Jessica Chani-Cahuana;Per Niklas Landin;Christian Fager;Thomas Eriksson

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

    Paul Saad;Christian Fager;Haiying Cao;Herbert Zirath

  • A comprehensive analysis of IMD behavior in RF CMOS power amplifiers

    C. Fager;J.C. Pedro;N.B. de Carvalho;H. Zirath

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

    H.M. Nemati;C. Fager;U. Gustavsson;R. Jos

  • Implementation Challenges and Opportunities in Beyond-5G and 6G Communication

    Ulf Gustavsson;Pal Frenger;Christian Fager;Thomas Eriksson

  • A Modified Doherty Power Amplifier With Extended Bandwidth and Reconfigurable Efficiency

    D. Gustafsson;C. M. Andersson;C. Fager

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

    C. Fager;J.C. Pedro;N.B. de Carvalho;H. Zirath

  • Highly integrated 60 GHz transmitter and receiver MMICs in a GaAs pHEMT technology

    S.E. Gunnarsson;C. Karnfelt;H. Zirath;R. Kozhuharov

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

    P. Saad;P. Colantonio;L. Piazzon;F. Giannini

  • Digital Predistortion Using a Vector-Switched Model

    S. Afsardoost;T. Eriksson;C. Fager

  • Symmetrical Doherty Power Amplifier With Extended Efficiency Range

    Mustafa Ozen;Kristoffer Andersson;Christian Fager

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

    Christer M. Andersson;David Gustafsson;Jessica Chani Cahuana;Richard Hellberg

  • 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;Katharina Hausmair

  • On the impact of hardware impairments on massive MIMO

    Ulf Gustavsson;Cesar Sanchez-Perez;Thomas Eriksson;Fredrik Athley

  • Digital Predistortion for Multi-Antenna Transmitters Affected by Antenna Crosstalk

    Katharina Hausmair;Per N. Landin;Ulf Gustavsson;Christian Fager

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

    D. Gustafsson;J. C. Cahuana;D. Kuylenstierna;I. Angelov

  • I/Q Imbalance Compensation Using a Nonlinear Modeling Approach

    Haiying Cao;A. Soltani Tehrani;C. Fager;T. Eriksson

  • Doherty's Legacy: A History of the Doherty Power Amplifier from 1936 to the Present Day

    Raymond Pengelly;Christian Fager;Mustafa Ozen

  • 60 GHz Single-Chip Front-End MMICs and Systems for Multi-Gb/s Wireless Communication

    S.E. Gunnarsson;C. Karnfelt;H. Zirath;R. Kozhuharov

Frequent Co-Authors

Thomas Eriksson
Thomas Eriksson Chalmers University of Technology
Herbert Zirath
Herbert Zirath Chalmers University of Technology
Niklas Rorsman
Niklas Rorsman Chalmers University of Technology
Paolo Colantonio
Paolo Colantonio University of Rome Tor Vergata
Giuseppe Durisi
Giuseppe Durisi Chalmers University of Technology
Bumman Kim
Bumman Kim Pohang University of Science and Technology
Anding Zhu
Anding Zhu University College Dublin
Johan S. Gustavsson
Johan S. Gustavsson Chalmers University of Technology
Nuno Borges Carvalho
Nuno Borges Carvalho University of Aveiro

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