Kari Leppänen

Publication Activity (10 Years)

Years Active: 2007-2021
Publications (10 Years): 38

Top Topics

Achieving High Accuracy

Enabling Technologies

Top Venues

Publications

Soheil Rostami, Kari Heiska, Oleksandr Puchko, Kari Leppänen, Mikko Valkama
Novel Wake-up Scheme for Energy-Efficient Low-Latency Mobile Devices in 5G Networks. IEEE Trans. Mob. Comput. 20 (4) (2021)
Soheil Rostami, Kari Heiska, Oleksandr Puchko, Kari Leppänen, Mikko Valkama
Novel Wake-up Scheme for Energy-Efficient Low-Latency Mobile Devices in 5G Networks. CoRR (2020)
Soheil Rostami, Petteri Kela, Kari Leppänen, Mikko Valkama
Wake-up Radio-Based 5G Mobile Access: Methods, Benefits, and Challenges. IEEE Commun. Mag. 58 (7) (2020)
Estifanos Yohannes Menta, Nicolas Malm, Riku Jäntti, Kalle Ruttik, Mário Costa, Kari Leppänen
On the Performance of AoA-Based Localization in 5G Ultra-Dense Networks. IEEE Access 7 (2019)
Soheil Rostami, Kari Heiska, Oleksandr Puchko, Kari Leppänen, Mikko Valkama
Pre-Grant Signaling for Energy-Efficient 5G and Beyond Mobile Devices: Method and Analysis. IEEE Trans. Green Commun. Netw. 3 (2) (2019)
Soheil Rostami, Kari Heiska, Oleksandr Puchko, George P. Koudouridis, Kari Leppänen, Mikko Valkama
Wireless Backhauling for Energy Harvesting Ultra-Dense Networks. PIMRC (2018)
Soheil Rostami, Kari Heiska, Oleksandr Puchko, Jukka Talvitie, Kari Leppänen, Mikko Valkama
Novel Wake-Up Signaling for Enhanced Energy-Efficiency of 5G and beyond Mobile Devices. GLOBECOM (2018)
Elizaveta Rastorgueva-Foi, Mário Costa, Mike Koivisto, Jukka Talvitie, Kari Leppänen, Mikko Valkama
Beam-based Device Positioning in mmWave 5G Systems under Orientation Uncertainties. ACSSC (2018)
Elizaveta Rastorgueva-Foi, Mário Costa, Mike Koivisto, Kari Leppänen, Mikko Valkama
Dynamic Beam Selection for Beam-RSRP Based Direction Finding in mmW 5G Networks. IPIN (2018)
Elizaveta Rastorgueva-Foi, Mário Costa, Mike Koivisto, Kari Leppänen, Mikko Valkama
User Positioning in mmW 5G Networks Using Beam-RSRP Measurements and Kalman Filtering. FUSION (2018)
Elena Simona Lohan, Mike Koivisto, Olga Galinina, Sergey Andreev, Antti Tölli, Giuseppe Destino, Mário Costa, Kari Leppänen, Yevgeni Koucheryavy, Mikko Valkama
Benefits of Positioning-Aided Communication Technology in High-Frequency Industrial IoT. IEEE Commun. Mag. 56 (12) (2018)
Elizaveta Rastorgueva-Foi, Mário Costa, Mike Koivisto, Kari Leppänen, Mikko Valkama
User Positioning in mmW 5G Networks using Beam-RSRP Measurements and Kalman Filtering. CoRR (2018)
Mike Koivisto, Jukka Talvitie, Mário Costa, Kari Leppänen, Mikko Valkama
Joint cmWave-based multiuser positioning and network synchronization in dense 5G networks. WCNC (2018)
Petteri Kela, Mário Costa, Kari Leppänen, Riku Jäntti
Analog Beamforming for mmW Circular Arrays with Limited Number of RF Chains. VTC Fall (2018)
Soheil Rostami, Kari Heiska, Oleksandr Puchko, Kari Leppänen, Mikko Valkama
Wireless powered wake-up receiver for ultra-low-power devices. WCNC (2018)
Soheil Rostami, Kari Heiska, Oleksandr Puchko, Kari Leppänen, Mikko Valkama
Robust Pre-Grant Signaling for Energy-Efficient 5G and beyond Mobile Devices. ICC (2018)
Estifanos Yohannes Menta, Kalle Ruttik, Riku Jäntti, Petteri Kela, Kari Leppänen
Modeling and Analysis of Dynamic Pilot Scheduling scheme for 5G Ultra-Dense Network. 5G World Forum (2018)
Elizaveta Rastorgueva-Foi, Mike Koivisto, Mikko Valkama, Mário Costa, Kari Leppänen
Localization and Tracking in mmWave Radio Networks using Beam-Based DoD Measurements. ICL-GNSS (2018)
Nicolas Malm, Liang Zhou, Estifanos Yohannes Menta, Kalle Ruttik, Riku Jäntti, Olav Tirkkonen, Mário Costa, Kari Leppänen
User Localization Enabled Ultra-dense Network Testbed. 5G World Forum (2018)
Mike Koivisto, Aki Hakkarainen, Mário Costa, Jukka Talvitie, Kari Heiska, Kari Leppänen, Mikko Valkama
Continuous high-accuracy radio positioning of cars in ultra-dense 5G networks. IWCMC (2017)
Petteri Kela, Henrik Lundqvist, Mário Costa, Kari Leppänen, Riku Jäntti
Connectionless access for massive machine type communications in ultra-dense networks. ICC (2017)
Mike Koivisto, Aki Hakkarainen, Mário Costa, Kari Leppänen, Mikko Valkama
Continuous device positioning and synchronization in 5g dense networks with skewed clocks. SPAWC (2017)
Mike Koivisto, Mário Costa, Janis Werner, Kari Heiska, Jukka Talvitie, Kari Leppänen, Visa Koivunen, Mikko Valkama
Joint Device Positioning and Clock Synchronization in 5G Ultra-Dense Networks. IEEE Trans. Wirel. Commun. 16 (5) (2017)
Mike Koivisto, Aki Hakkarainen, Mário Costa, Petteri Kela, Kari Leppänen, Mikko Valkama
High-Efficiency Device Positioning and Location-Aware Communications in Dense 5G Networks. IEEE Commun. Mag. 55 (8) (2017)
Petteri Kela, Mário Costa, Kari Leppänen, Riku Jäntti
Location-aware beamformed downlink control channel for ultra-dense networks. CSCN (2017)
Petteri Kela, Xavier Gelabert, Jussi Turkka, Mário Costa, Kari Heiska, Kari Leppänen, Christer Qvarfordt
Supporting mobility in 5G: A comparison between massive MIMO and continuous ultra dense networks. ICC (2016)
Xavier Gelabert, Christer Qvarfordt, Mário Costa, Petteri Kela, Kari Leppänen
Uplink reference signals enabling user-transparent mobility in ultra dense networks. PIMRC (2016)
Petteri Kela, Mário Costa, Jussi Turkka, Kari Leppänen, Riku Natti
Flexible Backhauling With Massive MIMO for Ultra-Dense Networks. IEEE Access 4 (2016)
Mike Koivisto, Aki Hakkarainen, Mário Costa, Petteri Kela, Kari Leppänen, Mikko Valkama
High-Efficiency Device Positioning and Location-Aware Communications in Dense 5G Networks. CoRR (2016)
Mike Koivisto, Mário Costa, Aki Hakkarainen, Kari Leppänen, Mikko Valkama
Joint 3D Positioning and Network Synchronization in 5G Ultra-Dense Networks Using UKF and EKF. GLOBECOM Workshops (2016)
Jialu Lun, David Grace, Alister G. Burr, Yunbo Han, Kari Leppänen, Tao Cai
Millimetre wave backhaul/fronthaul deployments for ultra-dense outdoor small cells. WCNC (2016)
Mike Koivisto, Mário Costa, Aki Hakkarainen, Kari Leppänen, Mikko Valkama
Joint 3D Positioning and Network Synchronization in 5G Ultra-Dense Networks Using UKF and EKF. CoRR (2016)
Mike Koivisto, Mário Costa, Janis Werner, Kari Heiska, Jukka Talvitie, Kari Leppänen, Visa Koivunen, Mikko Valkama
Joint Device Positioning and Clock Synchronization in 5G Ultra-Dense Networks. CoRR (2016)
Petteri Kela, Mário Costa, Jussi Turkka, Mike Koivisto, Janis Werner, Aki Hakkarainen, Mikko Valkama, Riku Jäntti, Kari Leppänen
Location Based Beamforming in 5G Ultra-Dense Networks. VTC Fall (2016)
Jialu Lun, David Grace, Alister G. Burr, Yunbo Han, Kari Leppänen, Tao Cai
Millimetre wave backhaul/fronthaul deployments for ultra-dense outdoor small cells. WCNC Workshops (2016)
Aki Hakkarainen, Janis Werner, Mário Costa, Kari Leppänen, Mikko Valkama
High-Efficiency Device Localization in 5G Ultra-Dense Networks: Prospects and Enabling Technologies. VTC Fall (2015)
Janis Werner, Mário Costa, Aki Hakkarainen, Kari Leppänen, Mikko Valkama
Joint User Node Positioning and Clock Offset Estimation in 5G Ultra-Dense Networks. GLOBECOM (2015)
Petteri Kela, Mário Costa, Jussi Salmi, Kari Leppänen, Jussi Turkka, Tuomas Hiltunen, Michal Hronec
A Novel Radio Frame Structure for 5G Dense Outdoor Radio Access Networks. VTC Spring (2015)
Fernando Valdenebro Gonzalez, Henrik Lundqvist, Kari Leppänen
Seamless handover in 802.11 with Automatic Power Save Delivery. CAMAD (2014)
Ari Ahtiainen, Kari Kalliojärvi, Mika Kasslin, Kari Leppänen, Andreas Richter, Päivi Ruuska, Carl Wijting
Awareness networking in wireless environments. IEEE Veh. Technol. Mag. 4 (3) (2009)
Markku Turunen, Kari Leppänen, Sari Leppänen
Workflow Automation for System Architecting. ENASE (2008)
Kari Leppänen, Sari Leppänen, Markku Turunen
A Modelling Method for Rigorous and Automated Design of Large-Scale Industrial Systems. MoDELS (2007)