Mikael Coldrey
Forskare vid
Chalmers, Elektroteknik, Signalbehandling och medicinsk teknik, Signalbehandling
Dr. Mikael Coldrey är adjungerad lektor i signalbehandling och han är sedan 2006 anställd vid Ericsson Research, Ericsson AB, där han för närvarande arbetar som Master Researcher. Han bedriver forskning och projektledning inom områdena signalbehandling och kommunikationssystem med fokus mot avancerade antennsystem för framtida 5G kommunikationsteknologier och trådlös returtrafik (backhaul).
Källa: chalmers.se
Visar 34 publikationer
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
Artikel i vetenskaplig tidskrift
2018
Massive MU-MIMO-OFDM Downlink with One-Bit DACs and Linear Precoding
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al
GLOBECOM 2017 - 2017 IEEE Global Communications Conference (GLOBECOM), p. 1-6
Paper i proceeding
2018
Finite Block-length Analysis of Large-but-finite MIMO Systems
Behrooz Makki, Tommy Svensson, Mikael Coldrey et al
IEEE Wireless Communications Letters
Artikel i vetenskaplig tidskrift
2017
Quantized Precoding for Massive MU-MIMO
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey et al
IEEE Transactions on Communications. Vol. 65 (11), p. 4670-4684
Artikel i vetenskaplig tidskrift
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 i proceeding
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, ICC 2017, Paris, France, 21-25 May 2017
Paper i 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
Artikel i vetenskaplig tidskrift
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, p. 21-26
Paper i proceeding
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
Artikel i vetenskaplig tidskrift
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
Artikel i vetenskaplig tidskrift
2016
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 i proceeding
2015
Massive MIMO with IQ Imbalance: Performance analysis and compensation
Nikolaos Kolomvakis, Michail Matthaiou, Jingya Li et al
IEEE International Conference on Communications, ICC 2015, London, United Kingdom, 8-12 June 2015, p. 1703-1709
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
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 i 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) (October), p. 21-25
Paper i 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 i 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
Artikel i vetenskaplig tidskrift
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 i proceeding
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 i 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 i 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 i proceeding
2006
Estimation and Performance Analysis of Wireless Multiple Antenna Communication Channels
Mikael Coldrey
Doktorsavhandling
2005
Training-Based MIMO Systems: Part II - Improvements using a Variable Coding Rate Scheme
Mikael Coldrey, Patrik Bohlin
Rapport
2005
Training-Based MIMO Systems: Part I - Performance Comparison
Mikael Coldrey, Patrik Bohlin
Rapport
2004
Optimized Data Aided Training in MIMO Systems
Patrik Bohlin, Mikael Coldrey
IEEE Vehicular Technology Conference, VTC 2004 Spring, Milan, Italy
Paper i proceeding
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 i proceeding
2004
Channel Estimation in Wireless Communication Systems Employing Multiple Antennas
Mikael Coldrey
Licentiatavhandling
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 i 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 i 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 i 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 i 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 i proceeding
2002
Beamforming-based Estimators for Spatially Distributed Signals
Mikael Coldrey
PCC Workshop & RadioVetenskap och Kommunikation, RVK '02, Stockholm, Sweden
Paper i 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 i proceeding
Visar 1 forskningsprojekt
2015–2020
Massive MIMO med lågprecisionsomvandlare
Giuseppe Durisi
Kommunikationssystem
Mikael Coldrey
Signalbehandling
Stiftelsen för Strategisk forskning (SSF)
Det kan finnas fler projekt där Mikael Coldrey medverkar, men du måste vara inloggad som anställd på Chalmers för att kunna se dem.