Nikolaos Kolomvakis

According to our database, Nikolaos Kolomvakis authored at least 14 papers between 2014 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Nonlinear Distortion Radiated From Large Arrays and Active Reconfigurable Intelligent Surfaces.

Nikolaos Kolomvakis, Alva Kosasih, Emil Björnson

IEEE Trans. Wirel. Commun., June, 2025

Spatial Frequencies and Degrees of Freedom: Their roles in near-field communications.

Alva Kosasih, Özlem Tugfe Demir, Nikolaos Kolomvakis, Emil Björnson

IEEE Signal Process. Mag., January, 2025

Enabling 6G Performance in the Upper Mid-Band by Transitioning From Massive to Gigantic MIMO.

Emil Björnson, Ferdi Kara, Nikolaos Kolomvakis, Alva Kosasih, Parisa Ramezani, Murat Babek Salman

IEEE Open J. Commun. Soc., 2025

2024

Enabling 6G Performance in the Upper Mid-Band Through Gigantic MIMO.

Emil Björnson, Ferdi Kara, Nikolaos Kolomvakis, Alva Kosasih, Parisa Ramezani, Murat Babek Salman

CoRR, 2024

Exploiting Mutual Coupling Characteristics for Channel Estimation in Holographic MIMO.

Nikolaos Kolomvakis, Emil Björnson

Proceedings of the 2024 IEEE Global Communications Conference, 2024

2022

A Distortion Nullforming Precoder in Massive MIMO Systems With Nonlinear Hardware.

Nikolaos Kolomvakis, Majid Bavand, Israfil Bahceci, Ulf Gustavsson

IEEE Wirel. Commun. Lett., 2022

MIMO-OFDM Downlink with Memoryful Hardware Non-Linearities.

Nikolaos Kolomvakis, George Jöngren, Ulf Gustavsson, Bo Göransson

Proceedings of the IEEE Global Communications Conference, 2022

2020

Reconstruction of Clipped Signals in Quantized Uplink Massive MIMO Systems.

Nikolaos Kolomvakis, Thomas Eriksson, Mikael Coldrey, Mats Viberg

IEEE Trans. Commun., 2020

Quantized Uplink Massive MIMO Systems With Linear Receivers.

Nikolaos Kolomvakis, Thomas Eriksson, Mikael Coldrey, Mats Viberg

Proceedings of the 2020 IEEE International Conference on Communications, 2020

2017

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

Nikolaos Kolomvakis, Mikael Coldrey, Thomas Eriksson, Mats Viberg

IEEE Trans. Commun., 2017

Downlink performance of regularized ZF in massive MIMO systems subject to IQ imbalance.

Nikolaos Kolomvakis, Mikael Coldrey, Thomas Eriksson, Mats Viberg

Proceedings of the IEEE International Conference on Communications, 2017

2016

IQ Imbalance in Multiuser Systems: Channel Estimation and Compensation.

Nikolaos Kolomvakis, Michail Matthaiou, Mikael Coldrey

IEEE Trans. Commun., 2016

2015

Massive MIMO with IQ Imbalance: Performance analysis and compensation.

Nikolaos Kolomvakis, Michail Matthaiou, Jingya Li, Mikael Coldrey, Tommy Svensson

Proceedings of the 2015 IEEE International Conference on Communications, 2015

2014

Massive MIMO in sparse channels.

Nikolaos Kolomvakis, Michail Matthaiou, Mikael Coldrey

Proceedings of the 2014 IEEE 15th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2014