Ulf Gustavsson

Forskare vid Kommunikationssystem

Ulf Gustavsson är forskare i forskargruppen Kommunikationssystem.

Källa: chalmers.se

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Publikationer (40)
Projekt (0)

Visar 40 publikationer

2020

Array Configuration Effect on the Spatial Correlation of MU-MIMO Channels in NLoS Environments

Navid Amani, A. Farsaei, Ulf Gustavsson et al

2020 14th European Conference on Antennas and Propagation (EuCAP). Vol. 2020 (March)

Paper i proceeding

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2019

Massive MU-MIMO-OFDM Uplink with Hardware Impairments: Modeling and Analysis

Sven Jacobsson, Ulf Gustavsson, Giuseppe Durisi et al

Conference Record - Asilomar Conference on Signals, Systems and Computers. Vol. 2018-October, p. 1829-1835

Paper i proceeding

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2019

Effect of antenna array element separation on capacity of MIMO systems including mutual coupling

Tomislav Marinovic, A. Farsaei, Rob Maaskant et al

2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019 - Proceedings, p. 415-416

Paper i proceeding

2019

On the Outage Performance of Line-Of-Sight Massive MIMO with a Fixed-Length Uniform Linear Sparse Array

A. Farsaei, Navid Amani, A. Alvarado et al

Proceedings of the 2019 9th IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications, APWC 2019, p. 345-348

Paper i proceeding

2018

Impact of Spatial Filtering on Distortion from Low-Noise Amplifiers in Massive MIMO Base Stations

Christopher Mollen, Ulf Gustavsson, Thomas Eriksson et al

IEEE Transactions on Communications. Vol. 66 (12), p. 6050-6067

Artikel i vetenskaplig tidskrift

2018

Out-of-Band Radiation from Large Antenna Arrays

Christopher Mollen, E. G. Larsson, Ulf Gustavsson et al

IEEE Communications Magazine. Vol. 56 (4), p. 196-203

Artikel i vetenskaplig tidskrift

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

Paper i 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

Artikel i vetenskaplig tidskrift

2018

Analysis of Nonlinear Low-Noise Amplifiers in Massive MIMO Base Stations

Christopher Mollén, Ulf Gustavsson, Thomas Eriksson et al

Conference Record of the Asilomar Conference on Signals Systems and Computers, p. 285-289

Paper i proceeding

2017

Throughput Analysis of Massive MIMO Uplink With Low-Resolution ADCs

Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al

IEEE Transactions on Wireless Communications. Vol. 16 (6), p. 4038-4051

Artikel i vetenskaplig tidskrift

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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

Artikel i vetenskaplig tidskrift

2016

Initial multi-node and antenna transmitter and receiver architectures and schemes; Deliverable D5.1

P. Zetterberg, Andreas Wolfgang, A. Westlund et al

Rapport

2016

Impact of Major RF Impairments on mm-Wave Communications Using OFDM Waveforms

Y. Zou, Per Zetterberg, Ulf Gustavsson et al

2016 IEEE Globecom Workshops (GC Wkshps), 4-8 Dec. 2016

Paper i proceeding

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2016

Out-of-band radiation measure for MIMO arrays with beamformed transmission

Christopher Mollen, Ulf Gustavsson, Thomas Eriksson et al

2016 IEEE International Conference on Communications, ICC 2016, Kuala Lumpur, Malaysia, 22-27 May 2016, p. Art. no. 7511629-

Paper i proceeding

2015

One-Bit Massive MIMO: Channel Estimation and High-Order Modulations

Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al

2015 IEEE International Conference on Communication Workshop, ICCW 2015, p. 1304-1309

Paper i proceeding

2015

Analysis of Massive MIMO with hardware impairments and different channel models

F. Athley, Giuseppe Durisi, Ulf Gustavsson

9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015

Paper i proceeding

2014

Efficient and Wideband Power Amplifiers for Wireless Infrastructure Applications

Christian Fager, Ulf Gustavsson, Christer Andersson et al

Gigahertz Symposium

Övrigt konferensbidrag

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 i proceeding

2014

Distortion mitigation in RF transmitters with cascaded nonlinear and efficient power amplifiers

Per Landin, Ulf Gustavsson

2014 IEEE 15th Annual IEEE Wireless and Microwave Technology Conference, WAMICON 2014, p. Art. no. 6857778-

Paper i proceeding

2014

Linearization of Difficult Cases - MIMO, GaN and Deep Compression

Thomas Eriksson, Christian Fager, Per Landin et al

Gigahertz Symposium

Övrigt konferensbidrag

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

Artikel i vetenskaplig tidskrift

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"

Övrigt konferensbidrag

2011

From Noise-Shaped Coding to Energy Efficiency - One bit at the time

Ulf Gustavsson

Doktorsavhandling

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

Artikel i vetenskaplig tidskrift

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

Artikel i vetenskaplig tidskrift

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

Artikel i vetenskaplig tidskrift

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 i proceeding

2009

RBS High Efficiency Power Amplifier Research - Challenges and Possibilities

Bo Berglund, Ulf Gustavsson, Johan Thorebäck et al

Advances in Analog Circuit Design, Lund 2009

Övrigt konferensbidrag

2009

Quantization and Noise-Shaped Coding for High Efficiency Transmitter Architectures

Ulf Gustavsson

Licentiatavhandling

2009

Improved amplifying device

Ulf Gustavsson

Patentansökan

2009

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

Ulf Gustavsson, Christian Fager, Thomas Eriksson

RFMTC

Övrigt konferensbidrag

2009

A composite amplifier, a radio terminal and a method for improving the efficiency of the composite amplifier

Ulf Gustavsson, Richard Hellberg

Patentansökan

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

Artikel i vetenskaplig tidskrift

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

Övrigt konferensbidrag

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 i proceeding

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 i 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 i 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)

Övrigt konferensbidrag

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 i 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 i proceeding

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