Tu4E: Digital Linearization Techniques for Power Amplifiers

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Tue 17 Jun | 15:40 - 17:20
215
Digital Linearization Techniques for Power Amplifiers
Luís C. Nunes
Universidade de Aveiro
Pere L. Gilabert
Univ. Politècnica de Catalunya
This session consists of 5 papers including the keynote paper "Efficiency Enhancements using Digital Predistortion and Advanced Transmitters". The remaining 4 papers address the challenges of linearization in emerging phased array systems, novel machine learning and DSP solutions to improve radio performance.
15:40 - 16:00
Tu4E-1 KEYNOTE: Efficiency Enhancements Using Digital Predistortion and Advanced Transmitters
ABSTRACT
Paul J. Draxler
Eridan Communications
16:00 - 16:20
Tu4E-2 Predistortion of GaN Power Amplifier Transient Responses in Time-Division Duplex Using Machine Learning
ABSTRACT
Arne Fischer-Bühner, Lauri Anttila, Alberto Brihuega, Manil Dev Gomony, Mikko Valkama
Nokia Bell Labs, Tampere Univ., Nokia, Nokia Bell Labs, Tampere Univ.
16:20 - 16:40
Tu4E-3 Reference Phase Adjustment Technique with Cross-Polarization Cancellation for Enhanced Digital Predistortion in Mobile Dual-Polarized Arrays
ABSTRACT
Uichan Park, Jungsuek Oh
Seoul National Univ., Seoul National Univ.
16:40 - 17:00
Tu4E-4 Phase Derivative Approach for Nonlinear Power Amplifier Forward Modeling with 2-D LUTs
ABSTRACT
Vesa Lampu, Lauri Anttila, Mikko Valkama
Tampere Univ., Tampere Univ., Tampere Univ.
17:00 - 17:20
Tu4E-5 Neural Network Based Nonlinear Forward Model Identification for Digital MIMO Arrays Under Load Modulation
ABSTRACT
Joel Fernandez, Lauri Anttila, Koen Buisman, Vesa Lampu, Christian Fager, Thomas Eriksson, Mikko Valkama
Tampere Univ., Tampere Univ., Univ. of Surrey, Tampere Univ., Chalmers Univ. of Technology, Chalmers Univ. of Technology, Tampere Univ.
Luís C. Nunes
Universidade de Aveiro
Pere L. Gilabert
Univ. Politècnica de Catalunya