Ulf Gustavsson
Ulf Gustavsson är forskare i forskargruppen Kommunikationssystem.
Visar 52 publikationer
Doppler Shift Estimation for Satellite Communications using Linear Estimators
Impact of Phase Noise on Uplink Cell-Free Massive MIMO OFDM
Beamformed transmission using a precoder
MCRB-based Performance Analysis of 6G Localization under Hardware Impairments
Frequency-domain digital predistortion for Massive MU-MIMO-OFDM Downlink
Low Complexity Joint Impairment Mitigation of I/Q Modulator and PA Using Neural Networks
Symbol-Based Over-the-Air Digital Predistortion Using Reinforcement Learning
Implementation challenges and opportunities in beyond-5G and 6G communication
Array Configuration Effect on the Spatial Correlation of MU-MIMO Channels in NLoS Environments
Residual Neural Networks for Digital Predistortion
Effect of antenna array element separation on capacity of MIMO systems including mutual coupling
Impact of Spatial Filtering on Distortion from Low-Noise Amplifiers in Massive MIMO Base Stations
Modeling and Linearization of Multi-Antenna Transmitters Using Over-the-Air Measurements
Out-of-Band Radiation from Large Antenna Arrays
Massive MU-MIMO-OFDM Uplink with Hardware Impairments: Modeling and Analysis
Digital Predistortion for Multi-Antenna Transmitters Affected by Antenna Crosstalk
Prediction of Nonlinear Distortion in Wideband Active Antenna Arrays
Throughput Analysis of Massive MIMO Uplink With Low-Resolution ADCs
Analysis of Nonlinear Low-Noise Amplifiers in Massive MIMO Base Stations
Out-of-band radiation measure for MIMO arrays with beamformed transmission
Impact of Major RF Impairments on mm-Wave Communications Using OFDM Waveforms
Initial multi-node and antenna transmitter and receiver architectures and schemes; Deliverable D5.1
One-Bit Massive MIMO: Channel Estimation and High-Order Modulations
Analysis of Massive MIMO with hardware impairments and different channel models
Linearization of Difficult Cases - MIMO, GaN and Deep Compression
Efficient and Wideband Power Amplifiers for Wireless Infrastructure Applications
On the Impact of Hardware Impairments on Massive MIMO
Distortion mitigation in RF transmitters with cascaded nonlinear and efficient power amplifiers
An RF Carrier Bursting System using Partial Quantization Noise Cancellation
Varactor-Based Dynamic Load Modulation of RF PAs
From Noise-Shaped Coding to Energy Efficiency - One bit at the time
Quantization Noise Minimization in ΣΔ-modulation based RF Transmitter Architectures
A general method for passband quantization noise suppression in pulsed transmitter architectures.
RBS High Efficiency Power Amplifier Research - Challenges and Possibilities
Quantization and Noise-Shaped Coding for High Efficiency Transmitter Architectures
Evaluation of high efficiency PAs for use in supply- and load-modulation transmitters
Noise-Shaped Coding and Quantization Noise Suppression for Pulsed Transmitter Architectures
Practical realizations of high efficiency switched mode power amplifiers
SiC Varactors for Dynamic Load Modulation of High Power Amplifiers
An efficiency optimized controlling scheme for dynamic load modulation of power amplifiers
Voltage/Current mode class D amplifiers and their applications
High Efficiency Modulation of Switched Mode LDMOS Power Amplifiers
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Visar 1 forskningsprojekt