Risto Wichman

Professori
Professori
T412 Department of Information and Communications Engineering

In general, my research deals with signal processing techniques in wireless communication systems. This means mostly physical layer in addition to some MAC layer work. Research topics include in-band full-duplex, multiple antenna techniques, massive MIMO, compensation of RF non-idealities using digital signal signal processing, spectrum sharing, cooperative communications, optimization of network topologies, etc. The applied research methods are drawn from, communication theory, detection and estimation theory, stochastic geometry, random matrix theory, linear algebra, large system analysis...

Full researcher profile
https://research.aalto.fi/...

Areas of expertise

Digital signal processing, Wireless Communications

Research groups

  • Risto Wichman Group

Publications

Ensuring Line-of-Sight Condition for Accurate Positioning and Sensing Over RF/OWC Networks

Mohsen Abedi, Alexis A. Dowhuszko, Risto Wichman 2026 IEEE Transactions on Vehicular Technology

Load Balancing in Non-Terrestrial Networks Using Free Space Optical Inter-satellite Links

Abid Afridi, Alexis A. Dowhuszko, Jevgenij Krivochiza, Risto Wichman, Jyri Hämäläinen 2026 2026 IEEE International Conference on Communication (ICC)

s-FAMA-GP: A Low-Complexity Slow FAMA Using Interference Interpolation

Daniel Dinis, Risto Wichman 2026 IEEE Wireless Communications Letters

Spatio-Temporal Port Selection in Fluid Antennas under Switching Delays

Daniel Dinis, Risto Wichman 2026 IEEE Communications Letters

Indoor Planning of Optical Wireless Networks for Line-of-Sight Condition in Access and Backhauling

Mohsen Abedi, Alexis A. Dowhuszko, Risto Wichman 2025 IEEE Transactions on Communications

Meta Distribution of the SIR in a Narrow-Beam LEO Uplink

Ilari Angervuori, Martin Haenggi, Risto Wichman 2025 IEEE Transactions on Communications

Deep Learning-Driven Joint Beamforming and Channel Tracking via Sparse Bayesian Filtering for Massive MIMO

Xichun Cheng, Risto Wichman 2025 59th Asilomar Conference on Signals, Systems and Computers, ACSSC 2025

Port Selection in Fluid Antennas: GP Interpolation with Spatial Jitter Modeling

Daniel Dinis, Risto Wichman 2025 59th Asilomar Conference on Signals, Systems and Computers, ACSSC 2025

Quasi-Optimum Detection for a Wide Class of Digital Signals with Strong Nonlinear Distortion Effects

Daniel Dinis, Joao Guerreiro, Marko Beko, Rui Dinis, Risto Wichman 2025 IEEE Open Journal of Vehicular Technology