Robust Kalman filter for positioning with wireless BS coverage areas. - Marzieh Dashti; Simo Ali-Löytty; Laura Wirola; Philipp Müller 003; Henri Nurminen; Robert Piché (WPNC, 2012)

Bandwidth and storage reduction of radio maps for offline WLAN positioning. - Laura Wirola; Lauri Wirola; Robert Piché (IPIN, 2013)