Mikael Coldrey

Showing 39 publications

2024

A TDD Distributed MIMO Testbed Using a 1-Bit Radio-Over-Fiber Fronthaul Architecture

Lise Aabel, Giuseppe Durisi, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 72 (10), p. 6140-6152
Journal article
2023

Reconstruction of clipped signals

Nikolaos Kolomvakis, Thomas Eriksson, Mikael Coldrey et al
Patent
2022

Shannon Capacity of LOS MIMO Channels with Uniform Circular Arrays

Liqin Ding, Artem Vilenskiy, Rahul Devassy et al
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Vol. 2022-September
Paper in proceeding
2020

Quantized Uplink Massive MIMO Systems With Linear Receivers

Nikolaos Kolomvakis, Thomas Eriksson, Mikael Coldrey et al
IEEE International Conference on Communications. Vol. 2020-June
Paper in proceeding
2020

Distributed Massive MIMO via all-Digital Radio Over Fiber

Lise Aabel, Giuseppe Durisi, Ibrahim Can Sezgin et al
Conference Record - Asilomar Conference on Signals, Systems and Computers. Vol. 2020-November, p. 319-323
Paper in proceeding
2019

Finite Block-length Analysis of Large-but-finite MIMO Systems

Behrooz Makki, Tommy Svensson, Mikael Coldrey et al
IEEE Wireless Communications Letters. Vol. 8 (1), p. 113-116
Journal article
2018

Aperiodic Switched Array for Line-of-Sight MIMO Backhauling

Carlo Bencivenni, Mikael Coldrey, Rob Maaskant et al
IEEE Antennas and Wireless Propagation Letters. Vol. 17 (9), p. 1712-1716
Journal article
2018

Massive MU-MIMO-OFDM Downlink with One-Bit DACs and Linear Precoding

Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al
Proceedings - IEEE Global Communications Conference, GLOBECOM. Vol. 2018-January, p. 1-6
Paper in proceeding
2017

1-bit Massive MU-MIMO Precoding in VLSI

Oscar Castaneda, Sven Jacobsson, Giuseppe Durisi et al
IEEE Journal on Emerging and Selected Topics in Circuits and Systems. Vol. 7 (4), p. 508-522
Journal article
2017

Hybrid beamforming in uplink massive MIMO systems in the presence of blockers

Xinlin Zhang, Mikael Coldrey, Thomas Eriksson et al
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, p. 6503-6507
Paper in proceeding
2017

Massive MIMO Systems with IQ Imbalance: Channel Estimation and Sum Rate Limits

Nikolaos Kolomvakis, Mikael Coldrey, Thomas Eriksson et al
IEEE Transactions on Communications. Vol. 65 (6), p. 2382 - 2396
Journal article
2017

Downlink Performance of Regularized ZF in Massive MIMO Systems Subject to IQ Imbalance

Nikolaos Kolomvakis, Mikael Coldrey, Thomas Eriksson et al
IEEE International Conference on Communications
Paper in proceeding
2017

On Out-of-Band Emissions of Quantized Precoding in Massive MU-MIMO-OFDM

Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al
Conference Record of the Asilomar Conference on Signals Systems and Computers. Vol. 2017-October, p. 21-26
Paper in proceeding
2017

Nonlinear 1-bit precoding for massive MU-MIMO with higher-order modulation

Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al
Conference Record - Asilomar Conference on Signals, Systems and Computers, p. 763-767
Paper in proceeding
2016

IQ Imbalance in Multiuser Systems: Channel Estimation and Compensation

Nikolaos Kolomvakis, Michail Matthaiou, Mikael Coldrey
IEEE Transactions on Communications. Vol. 64 (7), p. 3039-3051
Journal article
2016

Adaptive Multicell 3-D Beamforming in Multiantenna Cellular Networks

Nima Seifi, Robert W. Heath Jr., Mikael Coldrey et al
IEEE Transactions on Vehicular Technology. Vol. 65 (8), p. 6217-6231
Journal article
2015

Massive MIMO with IQ Imbalance: Performance analysis and compensation

Nikolaos Kolomvakis, Michail Matthaiou, Jingya Li et al
IEEE International Conference on Communications. Vol. 2015-September, p. 1703-1709
Paper in 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 in proceeding
2014

On the MIMO Capacity with Residual Transceiver Hardware Impairments

Xinlin Zhang, Michail Matthaiou, Emil Björnson et al
IEEE International Conference on Communications, ICC 2014, Sydney, Australia, p. 5299-5305
Paper in proceeding
2014

Impact of Residual Transmit RF Impairments on Training-Based MIMO Systems

Xinlin Zhang, Michail Matthaiou, Mikael Coldrey et al
IEEE International Conference on Communications, ICC 2014, Sydney, Australia, p. 4741-4746
Paper in proceeding
2014

Massive MIMO in Sparse Channels

Nikolaos Kolomvakis, Michail Matthaiou, Mikael Coldrey
2014 IEEE 15th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC). Vol. 2014-October (October), p. 21-25
Paper in proceeding
2012

Throughput optimization in MU-MIMO systems via exploiting bs antenna tilt

Nima Seifi, Mikael Coldrey, Tommy Svensson
2012 IEEE Globecom Workshops, GC Wkshps 2012, p. 653-657
Paper in proceeding
2012

Efficient Channel Estimation Techniques for Amplify and Forward Relaying Systems

Panagiota Lioliou, Mats Viberg, Mikael Coldrey
IEEE Transactions on Communications. Vol. 60 (11), p. 3150-3155
Journal article
2010

Self-Interference Suppression in Full-Duplex MIMO Relays

Panagiota Lioliou, Mats Viberg, Mikael Coldrey et al
44th Asilomar Conference on Signals, Systems and Computers, p. 658-662
Paper in proceeding
2010

An Efficient Signaling for Multi-mode Transmission in Multi-user MIMO

Nima Seifi, Tony Ottosson Gadd, Mats Viberg et al
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, p. 3402-3405
Paper in proceeding
2006

Generalization and Analysis of the Conventional Beamformer for Localization of Spatially Distributed Sources

Mikael Coldrey, Mats Viberg
In Proc. 14th European Signal Processing Conference, EUSIPCO 2006
Paper in proceeding
2005

Training-Based MIMO Systems: Part I - Performance Comparison

Mikael Coldrey, Patrik Bohlin
Report
2004

Multiple-Antenna Channel Estimation Using Detected Symbol Information

Mikael Coldrey, Patrik Bohlin, Mats Viberg
PCC Workshop & Nordic Radio Symposium NRS '04, Oulu, Finland
Paper in proceeding
2004

Optimized Data Aided Training in MIMO Systems

Patrik Bohlin, Mikael Coldrey
IEEE Vehicular Technology Conference, VTC 2004 Spring, Milan, Italy
Paper in proceeding
2004

Performance Evaluation of MIMO Communication Systems based Superimposed Pilots

Patrik Bohlin, Mikael Coldrey
IEEE International Conference on Acoustics, Speech, and Signal Processing; Montreal, Que; Canada; 17 May 2004 through 21 May 2004. Vol. 4, p. IV-425-IV-428-
Paper in proceeding
2004

A Capacity Comparison between Time-Multiplexed and Superimposed Pilots

Mikael Coldrey, Patrik Bohlin
Proc. 38th Asilomar Conference on Signals, Systems and Computers, Monterey, USA
Paper in proceeding
2003

On the use of beamforming for estimation of spatially distributed signals

Mikael Coldrey
IEEE International Conference on Acoustics Speech and Signal Processing, ICASSP '03, Hong Kong, China, APR 06-10. Vol. 5, p. 369-372
Paper in proceeding
2003

Performance Evaluation of MIMO Wireless Communication Systems Employing Pilot Training for Channel Estimation

Mikael Coldrey, Patrik Bohlin
PCC Workshop & Ericsson/TeliaSonera Research Days 2003, Stockholm, Sweden
Paper in proceeding
2003

Analysis of spectral-based localization of spatially distributed sources

Mikael Coldrey, Mats Viberg
13th IFAC Symposium on System Identification, SYSID 2003, Rotterdam, Netherlands
Paper in proceeding
2002

Beamforming-based Estimators for Spatially Distributed Signals

Mikael Coldrey
PCC Workshop & RadioVetenskap och Kommunikation, RVK '02, Stockholm, Sweden
Paper in proceeding
2002

Direction and Spread Estimation of Spatially Distributed Signals via the Power Azimuth Spectrum

Mikael Coldrey
IEEE International Conference on Acoustics Speech and Signal Processing, ICASSP '02, Orlando, USA
Paper in proceeding

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Showing 2 research projects

2020–2024

Distributed massive MIMO with low-precision components

Giuseppe Durisi Communication Systems
Christian Fager Microwave Electronics
Mikael Coldrey Communication Systems
Swedish Foundation for Strategic Research (SSF)

1 publication exists
2015–2020

Massive MIMO systems with low-resolution converters

Giuseppe Durisi Communication Systems
Mikael Coldrey Signal Processing
Swedish Foundation for Strategic Research (SSF)

19 publications exist
There might be more projects where Mikael Coldrey participates, but you have to be logged in as a Chalmers employee to see them.