Thomas Eriksson
Thomas Eriksson är viceprefekt vid institutionen för elektroteknik och ansvarig för grundutbildningen. Som professor i kommunikationssystem ligger hans forskningsområde inom statistisk signalbehandling och kommunikation. Ett av hans huvudintressen är bearbetning av så kallad ”Dirty RF”, där brister i hårdvaran (såsom ickelinjära förstärkare, fasbrus, I/Q-obalans etc.) analyseras och kompenseras. Ett annat intresseområde är teori och metoder för återsändning av kanalinformation (CSI), genom antingen kvantisering av CSI eller genom ARQ (automatisk återsändning).
Visar 295 publikationer
6G Radio Testbeds: Requirements, Trends, and Approaches
Beamformed transmission using a precoder
Improved Digital Predistortion for Concurrent Multiband Transmission Using Frequency Relocation
Linearization of Active Array Transmitters Under Crosstalk via Over-the-Air Observations
A Study on Real-Valued Models for Wideband RF Power Amplifier Modeling
A Wideband and Highly Efficient Circulator Load Modulated Power Amplifier Architecture
Reconstruction of clipped signals
Towards Complex Over-The-Air Calibration of a MIMO mmWave Testbed
Investigation of Fiber Length Differences in Distributed MIMO Sigma-Delta-over-Fiber Systems
Modeling and Analysis of OFDM-based 5G/6G Localization under Hardware Impairments
Statistical Modeling and Analysis of Power Amplifier Nonlinearities in Communication Systems
Design of a Compact GaN Power Amplifier with High Efficiency and Beyond Decade Bandwidth
Low-Complexity Digital Predistortion of Concurrent Multiband RF Power Amplifiers
MCRB-based Performance Analysis of 6G Localization under Hardware Impairments
Comparison of Co-located and Distributed MIMO for Indoor Wireless Communication
Effect of Phase-Noise on the Distributed Massive MIMO Networks
MIMO mmWave Over-the-air Testbed Calibration using Symmetries and Experimental Verification
A New Analytical Model of Phase Noise in Communication Systems
Over-The-Air Identification of Coupled Nonlinear Distortion in a MIMO Radar
Estimation of Phase Noise Based on In-Band and Out-of-Band Frequency Domain Pilots
Sparse Array Synthesis Including Mutual Coupling for MU-MIMO Average Capacity Maximization
Concurrent Multiband Linearization for Power Amplifiers With Intermodulation Distortions
Complexity Optimized Digital Predistortion Model of RF Power Amplifiers
Shannon Capacity of LOS MIMO Channels with Uniform Circular Arrays
Infinite Impulse Response Structure for Amplifier Modeling and Linearization
A New Discrete-Time Model for Channels Impaired by Phase Noise
A Real-Valued 4D Memory Polynomial Algorithm for Mixer Modeling
Amplitude Varying Phased Array Linearization
Power Efficiency and Linearity of Highly Integrated Transmitting Array Antennas
Implementation challenges and opportunities in beyond-5G and 6G communication
Nonlinear Distortion Investigation Using mm-Wave Over-the-Air SISO and MISO Measurements
Automatic Distributed MIMO Testbed for beyond 5G Communication Experiments
Blind Receiver Distortion Compensation
Antenna Systems for 5G mm-Wave Radio Access
Quantized Uplink Massive MIMO Systems With Linear Receivers
Piecewise Digital Predistortion for mmWave Active Antenna Arrays: Algorithms and Measurements
Array Configuration Effect on the Spatial Correlation of MU-MIMO Channels in NLoS Environments
On the Power and Beam Dependency of Load Modulation in mmWave Active Antenna Arrays
Reconstruction of Clipped Signals in Quantized Uplink Massive MIMO Systems
Statistical Study of Hardware Impairments Effect on mmWave 77 GHz FMCW Automotive Radar
Clipping-and-inverse-filtering technique for concurrent multiband transmitters
An extended kalman filter framework for joint phase noise, CFO and sampling time error estimation
Digital Predistortion for Multiuser Hybrid MIMO at mmWaves
Effect of VCSEL Characteristics on Ultra-High Speed Sigma-Delta-Over-Fiber Communication Links
Intra-Array Coupling Estimation for MIMO Transceivers Utilizing Blind Over-The-Air Measurements
Design of Spiral Constellations for Phase Noise Channels
Spiral constellations for phase noise channels
Single Digital Predistortion Technique for Phased Array Linearization
Distortion-aware linear precoding for millimeter-wave multiuser MISO downlink
Timing and Frequency Synchronization for 1-bit Massive MU-MIMO-OFDM Downlink
Iterative Channel and CFO Estimation for SC-FDE and OFDM based Massive MIMO Systems
On the performance of distortion-aware linear receivers in uplink massive MIMO systems
Evaluation of Distributed MIMO Communication Using a Low-Complexity Sigma-Delta-over-Fiber Testbed
Reducing Motion Artifacts in Microwave-Based Hemorrhagic Stroke Detection
Linearizing Active Antenna Arrays: Digital Predistortion Method and Measurements
A Low-Complexity Distributed-MIMO Testbed Based on High-Speed Sigma-Delta-Over-Fiber
Impact of Spatial Filtering on Distortion from Low-Noise Amplifiers in Massive MIMO Base Stations
Spatial Characteristics of Distortion Radiated from Antenna Arrays with Transceiver Nonlinearities
A Flexible Multi-Gbps Transmitter Using Ultra-High Speed Sigma- Delta-over- Fiber
Optimizing the Signal-To-Noise and Distortion Ratio of a GaN LNA using Dynamic Bias
Modeling and Linearization of Multi-Antenna Transmitters Using Over-the-Air Measurements
Influence of White LO Noise on Wideband Communication
Designing and characterizing MATE, the Chalmers mm-wave MIMO testbed
Lower Bound for the Normalized Mean Square Error in Power Amplifier Linearization
Out-of-Band Radiation from Large Antenna Arrays
Estimation of Load-Pull Reflection Coefficients for Modulated Signals
On the Impact of Colored Transmitter Noise on Millimeter Wave MIMO Systems
Compensation of Hardware Impairments in MATE, the Chalmers mmWave MIMO Testbed
Digital Predistortion for Multi-Antenna Transmitters Affected by Antenna Crosstalk
140 GHz Planar Gap Waveguide Array Antenna for Line of Sight (LOS) MIMO Backhaul Links
Spiral Constellation for Hardware-Efficient Millimeter Wave Radio Realization
Prediction of Nonlinear Distortion in Wideband Active Antenna Arrays
Hybrid beamforming in uplink massive MIMO systems in the presence of blockers
Does LO Noise Floor Limit Performance in Multi-Gigabit Millimeter-Wave Communication?
Performance Analysis of ARQ-based RF-FSO Links
Massive MIMO Systems with IQ Imbalance: Channel Estimation and Sum Rate Limits
Downlink Performance of Regularized ZF in Massive MIMO Systems Subject to IQ Imbalance
A Genetic Algorithm-based Antenna Selection Approach for Large-but-Finite MIMO Networks
Analysis of Nonlinear Low-Noise Amplifiers in Massive MIMO Base Stations
Digital Predistortion Parameter Identification for RF Power Amplifiers Using Real-Valued Output Data
Out-of-band radiation measure for MIMO arrays with beamformed transmission
Waveforms for the Massive MIMO Downlink: Amplifier Efficiency, Distortion and Performance
Digital Predistorter Model Derivation Based on Iterative Learning Control
On the Performance of the Relay-ARQ Networks
Linear Massive MIMO Precoders in the Presence of Phase Noise – A Large-Scale Analysis
A D-Band 48-Gbit/s 64-QAM/QPSK Direct-Conversion I/Q Transceiver Chipset
On the Performance of RF-FSO Links with and without Hybrid ARQ
Iterative Learning Control for RF Power Amplifier Linearization
Structured Digital Predistorter Model Derivation Based on Iterative Learning Control
Large-Scale Analysis of Linear Massive MIMO Precoders in the Presence of Phase Noise
Adaptive Space-Time Coding using ARQ
Capacity of SIMO and MISO Phase-Noise Channels with Common/Separate Oscillators
On Field Measurements and Modelling of 2x2 Microwave LOS-MIMO Systems
On Feedback Resource Allocation in Multiple-Input-Single-Output Systems using Partial CSI Feedback
WebLab: A Web-Based Setup for PA Digital Predistortion and Characterization
High-SNR Capacity of Multiple-Antenna Phase-Noise Channels with Common/Separate RF Oscillators
On the Throughput and Outage Probability of Multi-Relay Networks With Imperfect Power Amplifiers
On the Required Number of Antennas in a Point-to-Point Large-but-Finite MIMO System
A new variant of the indirect learning architecture for the linearization of power amplifiers
On the Performance of HARQ-Based RF-FSO Links
On the Capacity of the Wiener Phase Noise Channel: Bounds and Capacity Achieving Distributions
Optimal Design of Energy-Efficient HetNets: Joint Precoding and Load Balancing
Joint Precoding and Load Balancing Optimization for Energy-Efficient Heterogeneous Networks
Green Communication via Power-optimized HARQ Protocols
Calculation of the Performance of Communication Systems from Measured Oscillator Phase Noise
Linearization of Difficult Cases - MIMO, GaN and Deep Compression
On the Performance of MIMO-ARQ Systems with Channel State Information at the Receiver
Amplifier-Aware Multiple-Input Single-Output Capacity
Efficient and Wideband Power Amplifiers for Wireless Infrastructure Applications
Scalability Analysis and Modeling of Future Massive MIMO Antenna Array Systems
Amplifier-Aware Multi-Relaying
On the Impact of Hardware Impairments on Massive MIMO
On Noisy ARQ in Block-Fading Channels
Prediction of smart antenna transmitter characteristics using a new behavioral modeling approach
On the Impact of Non-Linear Power Amplifiers in Massive MIMO
On a Relay-ARQ Network using Adaptive Power Allocation
Digital predistortion of concurrent multiband communication systems
Linearization of dual-input Doherty power amplifiers
MILA - A noise mitigation technique for RF power amplifier linearization
On the impact of PA-induced in-band distortion in massive MIMO
Oscillator Phase Noise and Small-Scale Channel Fading in Higher Frequency Bands
Coordinated Hybrid Automatic Repeat Request
Spectrum sharing via HARQ feedback and adaptive power allocation
Effect of Synchronizing Coordinated Base Stations on Phase Noise Estimation
Fairness, power allocation, and CSI quantization in block fading multiuser systems
Coordinated Multi-point Joint Transmission with Partial Channel Information Feedback
Estimation of Phase Noise in Oscillators with Colored Noise Sources
Feedback Subsampling in Temporally-Correlated Slowly-Fading Channels using Quantized CSI
Secure Spectrum Sharing via Rate Adaptation
On the Performance of MIMO-ARQ Networks
On an HARQ-based Coordinated Multi-point Network using Dynamic Point Selection
Constellation Optimization in the Presence of Strong Phase Noise
Behavioral modeling of outphasing amplifiers considering memory effects
Amplifier-Aware Multiple-Input Multiple-Output Power Allocation
Power Allocation for Multi-Point Joint Transmission with Different Node Activeness
HARQ Feedback in Spectrum Sharing Networks
Multiuser Diversity in Correlated Rayleigh-fading Channels
Digital Predistortion for Dual-Input Doherty Amplifiers
Throughput Analysis for Multi-Point Joint Transmission with Quantized CSI Feedback
Linearization Study of a Highly Efficient CMOS-GaN RF Pulse Width Modulation Based Transmitter
Resource allocation for OFDMA systems with multi-cell joint transmission
Variational Bayesian Framework for Receiver Design in the Presence of Phase Noise in MIMO Systems
Time-varying phase noise and channel estimation in MIMO systems
Interference-free spectrum sharing using a sequential decoder at the primary user
Multiuser Diversity with Two-Step CSI Feedback
An RF Carrier Bursting System using Partial Quantization Noise Cancellation
Modeling of Long Term Memory Effects in RF Power Amplifiers with Dynamic Parameters
Joint Estimation of Channel and Oscillator Phase Noise in MIMO Systems
On ARQ-Based Fast-Fading Channels
Digital Predistortion Using a Vector Switched Model
On Hybrid ARQ and Quantized CSI Feedback Schemes in Quasi-Static Fading Channels
Power Allocation for Two-Cell Two-User Joint Transmission
A model-based analysis of phase jitter in RF oscillators
EU FP7 INFSO-ICT-247223 ARTIST4G, D1.4 Interference Avoidance Techniques and System Design
On the Average Rate of HARQ-Based Quasi-Static Spectrum Sharing Networks
Power allocation in repetition time diversity hybrid automatic repeat request feedback
Varactor-Based Dynamic Load Modulation of RF PAs
Joint Scheduling and Power Control in Coordinated Multi-Point Clusters
Optimal Modulation for Cognitive Transmission over AWGN and Fading Channels
Comparison of bandwidth reduction schemes in dynamic load modulation power amplifier architectures
CSI feedback in correlated slow-fading channels
On the Capacity of Rayleigh-Fading Correlated Spectrum Sharing Networks
On Models, Bounds, and Estimation Algorithms for Time-Varying Phase Noise
Peak-to-Average-Power-Ratio (PAPR) reduction in WiMAX and OFDM/A systems
Capacity bounds of spectrum sharing networks with no channel state information
Measurement setup for digital predistortion adaptation
Interference management using one bit feedback
Optimal and Approximate Methods for Detection of Uncoded Data with Carrier Phase Noise
Quantization Noise Minimization in ΣΔ-modulation based RF Transmitter Architectures
Efficient Channel Quality Feedback Signaling using Transform Coding and Bit Allocation
High Efficiency Transmitter Using Varactor Based Dynamic Load Modulation
Design of Highly Efficient Load Modulation Transmitter for Wideband Cellular Applications
On Power Amplifier Efficiency with Modulated Signals
Channel Capacity Bounds in the Presence of Quantized Channel State Information
Data Transmission in the Presence of Channel State Feedback and Outage Probability Constraint
Successive Cancellation of Power Amplifier Distortion for Multiuser Detection
A Novel Cognitive Modulation Method Considering the Performance of Primary User
Linear Prediction of Discrete-Time 1/f Processes
Linearization of Efficiency-Optimized Dynamic Load Modulation Transmitter Architectures
Highly Efficient Dynamic Load Modulation Transmitter
A novel model for simulation of RF oscillator phase noise
On the Average Rate of Quasi-Static Fading Channels with ARQ and CSI Feedback
On Multiple Description Coding of Sources with Memory
Complexity Analysis of Power Amplifier Behavioral Models
Sample iterative likelihood maximization for speaker verification systems
Model-Based Adaptation of RF Power Amplifiers
Study of mutual information for speaker recognition features
A Comparative Analysis of the Complexity/Accuracy Tradeoff in Power Amplifier Behavioral Models
Low-complexity volterra modeling of power amplifiers
Power Series Quantization for Noisy Channels
Data Transmission in the Presence of Noisy Channel State Feedback and Outage Probability Constraint
Time Mismatch Effects in a Dynamic Load Modulation Transmitter Architecture
A general method for passband quantization noise suppression in pulsed transmitter architectures.
Mixture Model- and Least Squares-Based Packet Video Error Concealment
Dual-Input Nonlinear Modeling for I/Q Modulator Distortion Compensation
Dynamic load modulation of high power amplifiers with varactor-based matching networks
Tone reservation to reduce the envelope fluctuations of multicarrier signals
I/Q Imbalance Compensation Using a Nonlinear Modeling Approach
Noise-Shaped Coding and Quantization Noise Suppression for Pulsed Transmitter Architectures
Time Alignment in a Dynamic Load Modulation Transmitter Architecture
Compensation of Transmitter Distortion Using a Nonlinear Modeling Approach
Packet Video Error Concealment With Gaussian Mixture Models
An ICI Reduction Scheme for OFDM Systems with Phase Noise over Fading Channels
Evaluation of Performance Improvement Capabilities of PAPR-reducing Methods
Comparative analysis of the complexity/accuracy tradeoff for power amplifier behavior models
Methods for Compression of Feedback in Adaptive Multi-carrier 4G Schemes
Identification of Distortions in a RF Measurement System
Weight based Super-GMM for Speaker identification systems
Modeling of dual-input power amplifiers
Mixture Model- and Least Squares-Based Packet Video Error
Orthonormal-basis power amplifier model reduction
Compression of Feedback in Adaptive OFDM-Based Systems using Scheduling
Methods for Compression of Feedback in Adaptive Multi-Carrier 4G Schemes
Bayes-Optimal Estimation of GMM Parameters for Speaker Recognition
A Statistical Approach to Performance Evaluation of Speaker Recognition Systems
A Minimum Mean Square Error Estimation and Mixture-based Approach to Packet Video Error Concealment
Spatio-temporal Markov random fields-based packet video error concealment
Compression of feedback for adaptive modulation and scheduling
Constrained clipping for peak power reduction of multicarrier systems by tone reservation
Memory-based vector quantization of LSF parameters by a power series approximation
Some Statistical Properties of Multicarrier Signals and Related Measures
Qualitative Analysis of Video Packet Loss Concealment with Gaussian Mixtures
MAP detection of nonlinearly distorted OFDM signals
Evaluation of Performance Improvement Capabilities of PAPR Reducing Methods
On the Effect of Antennas on UWB Systems
Noise-robust pitch synchronous feature extraction algorithm
EU FP6 IST-2003-507581 WINNER, D2.4 Assessment of adaptive transmission technologies, Feb 2005
An information-theoretic perspective on feature selection in speaker recognition
On the variability of vocal tract for speaker recognition
A pitch synchronous feature extraction method for speaker recognition
Analysis of distortion in a memoryless bandpass nonlinearity
Time Evolution in LPC Spectrum Coding
Receiver Algorithms for OFDM systems in Phase Noise and AWGN
Theory for speaker recognition over IP
Harmonic-based model for bandpass nonlinearity and its application to RF predistorter design
Adaptive predistorter design for nonlinear high power amplifiers
Baseband compensation techniques for bandpass nonlinearities
Estimation of Phase Noise for QPSK Modulation over AWGN Channels
A model for bandpass nonlinearities based on Harmonic measurements
PAPR and other measures for OFDM systems with nonlinearity
On the geometry of signals for multipath fading channels
Closest point search in lattices
Power Series Vector Quantization of Spectrum Parameters
System implications in designing a 60 GHz WLAN RF front end
A speech spectrum distortion measure with interframe memory
Perceptual spectrum quantization
An information theoretic perspective on the speech spectrum process
Low-Rate Quantization of Spectrum Parameters
On waveform-interpolation coding with asymptotically perfect reconstruction
Interframe LSF quantization for noisy channels
Pitch quantization in low bit-rate speech coding
Quantization of spectrum in sinusoidal speech coders
Optimization of lattices for quantization
Improvements of memory vector quantization for noisy channel transmission of LSF parameters
Improving predictive vector quantizers in speech coding applications
Exploiting interframe correlation in spectral quantization - a study of different memory VQ schemes
Vector Quantization in Speech Coding. Variable Rate, Memory and Lattice Quantization
Vector quantization of glottal pulses
A safety-net approach for improved exploitation of speech correlations
Interpolating the History - Improved Excitation Coding for High Quality CELP Coding
Dual-stage vector quantization with dynamic bit allocation
Exploiting properties of speech signals in the design of variable rate speech coders
Dynamic Bit Allocation in CELP Excitation Coding
Evolution of variable rate speech coders
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Visar 12 forskningsprojekt
MyWave - Efficient Millimetre-Wave Communications for mobile users
Synkronisering och backhaul för distribuerade MIMO-system
Chalmers undersökning av impakt av fasbrus
Millimetervåg-backhaul med över 100 Gbit/s - driva smarta antenner till sin spets
Digital Radio-över-Fiber: En ny typ av radiosändare för framtidens trådlösa tillämpningar
Metrology for 5G communications MET5G
Lösningar för trådlös kommunikation med hög datatakt
Testmiljö för framtidens kommunikationssystem
Modellering och signaloptimering för sändararkitekturer med flera antenner