Ulf Gustavsson

Forskare vid Kommunikationssystem

Ulf Gustavsson är forskare i forskargruppen Kommunikationssystem.

Källa: chalmers.se
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Visar 40 publikationer

2020
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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)
Paper i proceeding
Visa projekt
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
Visa projekt
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
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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
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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
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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
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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
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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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2014
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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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2012
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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"
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2010
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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
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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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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)
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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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