| 2017 | IWCMC | Continuous high-accuracy radio positioning of cars in ultra-dense 5G networks. | Mike Koivisto, Aki Hakkarainen, Mrio Costa, Jukka Talvitie, Kari Heiska, Kari Leppnen, Mikko Valkama |
| 2016 | GLOBECOM | Joint 3D Positioning and Network Synchronization in 5G Ultra-Dense Networks Using UKF and EKF. | Mike Koivisto, Mrio Costa, Aki Hakkarainen, Kari Leppnen, Mikko Valkama |
| 2016 | VTC | Location Based Beamforming in 5G Ultra-Dense Networks. | Petteri Kela, Mrio Costa, Jussi Turkka, Mike Koivisto, Janis Werner, Aki Hakkarainen, Mikko Valkama, Riku Jntti, Kari Leppnen |
| 2015 | GLOBECOM | Joint User Node Positioning and Clock Offset Estimation in 5G Ultra-Dense Networks. | Janis Werner, Mrio Costa, Aki Hakkarainen, Kari Leppnen, Mikko Valkama |
| 2015 | GLOBECOM | Impact of Power Amplifier Nonlinearities in Multi-User Massive MIMO Downlink. | Yaning Zou, Orod Raeesi, Lauri Anttila, Aki Hakkarainen, Joao Vieira, Fredrik Tufvesson, Qimei Cui, Mikko Valkama |
| 2015 | VTC | High-Efficiency Device Localization in 5G Ultra-Dense Networks: Prospects and Enabling Technologies. | Aki Hakkarainen, Janis Werner, Mrio Costa, Kari Leppnen, Mikko Valkama |
| 2014 | GLOBECOM | Precoded massive MU-MIMO uplink transmission under transceiver I/Q imbalance. | Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama |
| 2013 | VTC | Cramer-Rao Bounds for Hybrid RSS-DOA Based Emitter Location and Transmit Power Estimation in Cognitive Radio Systems. | Janis Werner, Aki Hakkarainen, Mikko Valkama |