Helena Leppäkoski

According to our database, Helena Leppäkoski authored at least 18 papers between 2003 and 2019.

Collaborative distances:

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

2019

Methods for Long-Term GNSS Clock Offset Prediction.

Jaakko Pihlajasalo, Helena Leppäkoski, Saara Kuismanen, Simo Ali-Löytty, Robert Piché

Proceedings of the 9th International Conference on Localization and GNSS, 2019

PILOT: Practical Privacy-Preserving Indoor Localization Using OuTsourcing.

Kimmo Järvinen, Helena Leppäkoski, Elena Simona Lohan, Philipp Richter, Thomas Schneider, Oleksandr Tkachenko, Zheng Yang

Proceedings of the IEEE European Symposium on Security and Privacy, 2019

2018

Received Signal Strength Quantization for Secure Indoor Positioning via Fingerprinting.

Philipp Richter, Helena Leppäkoski, Elena Simona Lohan, Zheng Yang, Kimmo Järvinen, Oleksandr Tkachenko, Thomas Schneider

Proceedings of the 8th International Conference on Localization and GNSS, 2018

2017

Semantic Labeling of User Location Context Based on Phone Usage Features.

Helena Leppäkoski, Alejandro Rivero Rodriguez, Sakari Rautalin, David Muñoz Martínez, Jani Käppi, Simo Ali-Löytty, Robert Piché

Mob. Inf. Syst., 2017

Wi-Fi Crowdsourced Fingerprinting Dataset for Indoor Positioning.

Elena Simona Lohan, Joaquín Torres-Sospedra, Helena Leppäkoski, Philipp Richter, Zhe Peng, Joaquín Huerta

Data, 2017

Robustness, Security and Privacy in Location-Based Services for Future IoT: A Survey.

Liang Chen, Sarang Thombre, Kimmo Järvinen, Elena Simona Lohan, Anette Alén-Savikko, Helena Leppäkoski, Mohammad Zahidul H. Bhuiyan, Shakila Bu-Pasha, Giorgia Nunzia Ferrara, Salomon Honkala, Jenna Lindqvist, Laura Ruotsalainen, Paivi Korpisaari, Heidi Kuusniemi

IEEE Access, 2017

Analysis of crowdsensed WiFi fingerprints for indoor localization.

Zhe Peng, Philipp Richter, Helena Leppäkoski, Elena Simona Lohan

Proceedings of the 21st Conference of Open Innovations Association, 2017

2016

Extended prediction of QZSS orbit and clock.

Helena Leppäkoski, Sakari Rautalin, Xiaolong Zhang, Simo Ali-Löytty, Robert Piché

Proceedings of the International Conference on Localization and GNSS, 2016

2014

Distributed Indoor Positioning System With Inertial Measurements and Map Matching.

Arto Perttula, Helena Leppäkoski, Martti Kirkko-Jaakkola, Pavel Davidson, Jussi Collin, Jarmo Takala

IEEE Trans. Instrum. Meas., 2014

Semantic labeling of places based on phone usage features using supervised learning.

Alejandro Rivero Rodriguez, Helena Leppäkoski, Robert Piché

Proceedings of the 2014 Ubiquitous Positioning Indoor Navigation and Location Based Service, 2014

2013

Inertial Sensors and Their Applications.

Jussi Collin, Pavel Davidson, Martti Kirkko-Jaakkola, Helena Leppäkoski

Proceedings of the Handbook of Signal Processing Systems, 2013

Pedestrian Navigation Based on Inertial Sensors, Indoor Map, and WLAN Signals.

Helena Leppäkoski, Jussi Collin, Jarmo Takala

J. Signal Process. Syst., 2013

2011

Relative positioning of mass market devices in ad-hoc networks.

Francescantonio Della Rosa, Li Xu, Helena Leppäkoski, Jari Nurmi

Proceedings of the 2011 International Conference on Indoor Positioning and Indoor Navigation, 2011

2010

A cooperative framework for path loss calibration and indoor mobile positioning.

Francescantonio Della Rosa, Tommi Paakki, Helena Leppäkoski, Jari Nurmi

Proceedings of the 7th Workshop on Positioning Navigation and Communication, 2010

Optimizing radio map for WLAN fingerprinting.

Helena Leppäkoski, Saija Tikkinen, Jarmo Takala

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

Ad-hoc networks aiding indoor calibrations of heterogeneous devices for Fingerprinting applications.

Francescantonio Della Rosa, Helena Leppäkoski, Stefano Biancullo, Jari Nurmi

Proceedings of the 2010 International Conference on Indoor Positioning and Indoor Navigation, 2010

2003

Positioning with IEEE 802.11b wireless LAN.

Antti Kotanen, Marko Hännikäinen, Helena Leppäkoski, Timo D. Hämäläinen

Proceedings of the IEEE 14th International Symposium on Personal, 2003

Experiments on Local Positioning with Bluetooth.

Antti Kotanen, Marko Hännikäinen, Helena Leppäkoski, Timo Hämäläinen

Proceedings of the 2003 International Symposium on Information Technology (ITCC 2003), 2003