Aki Hakkarainen

26 papers B 2Journal 8Unranked 16

Year	Rank	Type	Title / Venue / Authors
2017	—	`conf`	Continuous device positioning and synchronization in 5g dense networks with skewed clocks. SPAWC Mike Koivisto, Aki Hakkarainen, Mário Costa, Kari Leppänen, Mikko Valkama
2017	B	`conf`	Continuous high-accuracy radio positioning of cars in ultra-dense 5G networks. IWCMC Mike Koivisto, Aki Hakkarainen, Mário Costa, Jukka Talvitie, Kari Heiska, Kari Leppänen, Mikko Valkama
2017	J	`jnl`	High-Efficiency Device Positioning and Location-Aware Communications in Dense 5G Networks. IEEE Commun. Mag. Mike Koivisto, Aki Hakkarainen, Mário Costa, Petteri Kela, Kari Leppänen, Mikko Valkama
2016	J	`jnl`	Analysis and Augmented Spatial Processing for Uplink OFDMA MU-MIMO Receiver With Transceiver I/Q Imbalance and External Interference. IEEE Trans. Wirel. Commun. Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama
2016	J	`jnl`	High-Efficiency Device Positioning and Location-Aware Communications in Dense 5G Networks. CoRR Mike Koivisto, Aki Hakkarainen, Mário Costa, Petteri Kela, Kari Leppänen, Mikko Valkama
2016	—	`conf`	Joint 3D Positioning and Network Synchronization in 5G Ultra-Dense Networks Using UKF and EKF. GLOBECOM Workshops Mike Koivisto, Mário Costa, Aki Hakkarainen, Kari Leppänen, Mikko Valkama
2016	J	`jnl`	Joint 3D Positioning and Network Synchronization in 5G Ultra-Dense Networks Using UKF and EKF. CoRR Mike Koivisto, Mário Costa, Aki Hakkarainen, Kari Leppänen, Mikko Valkama
2016	—	`conf`	Location Based Beamforming in 5G Ultra-Dense Networks. VTC Fall Petteri Kela, Mário Costa, Jussi Turkka, Mike Koivisto, Janis Werner, Aki Hakkarainen, Mikko Valkama, Riku Jäntti, Kari Leppänen
2016	J	`jnl`	Performance and Cramer-Rao Bounds for DoA/RSS Estimation and Transmitter Localization Using Sectorized Antennas. IEEE Trans. Veh. Technol. Janis Werner, Jun Wang, Aki Hakkarainen, Danijela Cabric, Mikko Valkama
2015	—	`conf`	High-Efficiency Device Localization in 5G Ultra-Dense Networks: Prospects and Enabling Technologies. VTC Fall Aki Hakkarainen, Janis Werner, Mário Costa, Kari Leppänen, Mikko Valkama
2015	—	`conf`	Impact of Power Amplifier Nonlinearities in Multi-User Massive MIMO Downlink. GLOBECOM Workshops Yaning Zou, Orod Raeesi, Lauri Anttila, Aki Hakkarainen, Joao Vieira, Fredrik Tufvesson, Qimei Cui, Mikko Valkama
2015	B	`conf`	Joint User Node Positioning and Clock Offset Estimation in 5G Ultra-Dense Networks. GLOBECOM Janis Werner, Mário Costa, Aki Hakkarainen, Kari Leppänen, Mikko Valkama
2015	J	`jnl`	Sectorized Antenna-based DoA Estimation and Localization: Advanced Algorithms and Measurements. IEEE J. Sel. Areas Commun. Janis Werner, Jun Wang, Aki Hakkarainen, Nikhil Gulati, Damiano Patron, Doug Pfeil, Kapil R. Dandekar, Danijela Cabric, Mikko Valkama
2015	—	`conf`	Transceiver I/Q imbalance and widely-linear spatial processing in large antenna systems. ISWCS Aki Hakkarainen, Janis Werner, Markku Renfors, Kapil R. Dandekar, Mikko Valkama
2014	J	`jnl`	Analysis and Augmented Spatial Processing for Uplink OFDMA MU-MIMO Receiver under Transceiver I/Q Imbalance and External Interference. CoRR Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama
2014	—	`conf`	Interference suppression with antenna arrays in OFDM systems under transceiver I/Q imbalance. CrownCom Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama
2014	—	`conf`	Precoded massive MU-MIMO uplink transmission under transceiver I/Q imbalance. GLOBECOM Workshops Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama
2014	—	`conf`	Reconfigurable antenna based doa estimation and localization in cognitive radios: Low complexity algorithms and practical measurements. CrownCom Aki Hakkarainen, Janis Werner, Nikhil Gulati, Damiano Patron, Doug Pfeil, Henna Paaso, Aarne Mämmelä, Kapil R. Dandekar, Mikko Valkama
2013	—	`conf`	Cramer-Rao Bounds for Hybrid RSS-DOA Based Emitter Location and Transmit Power Estimation in Cognitive Radio Systems. VTC Fall Janis Werner, Aki Hakkarainen, Mikko Valkama
2013	—	`conf`	Estimating the primary user location and transmit power in cognitive radio systems using extended Kalman filters. WONS Janis Werner, Aki Hakkarainen, Mikko Valkama
2013	—	`conf`	Primary user DoA and RSS estimation in cognitive Radio networks using sectorized antennas. CrownCom Janis Werner, Jun Wang, Aki Hakkarainen, Mikko Valkama, Danijela Cabric
2013	—	`conf`	Primary user localization in cognitive radio networks using sectorized antennas. WONS Janis Werner, Jun Wang, Aki Hakkarainen, Mikko Valkama, Danijela Cabric
2013	—	`conf`	RF imperfections in antenna arrays: Response analysis and widely-linear digital beamforming. RWS Aki Hakkarainen, Janis Werner, Mikko Valkama
2013	—	`conf`	RF-Aware Widely-Linear MMSE Beamforming. ISWCS Aki Hakkarainen, Janis Werner, Markku Renfors, Kapil R. Dandekar, Mikko Valkama
2013	—	`conf`	RF-aware widely-linear beamforming and null-steering in cognitive Radio transmitters. CrownCom Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama
2013	J	`jnl`	Widely-linear beamforming and RF impairment suppression in massive antenna arrays. J. Commun. Networks Aki Hakkarainen, Janis Werner, Kapil R. Dandekar, Mikko Valkama