An ultrasonic sensor network for high-quality range-bearing-based indoor positioning. - Sergio Flores; Johanna Geis; Martin Vossiek (PLANS, 2016)

A Wireless Local Positioning System Concept and 6D Localization Approach for Cooperative Robot Swarms Based on Distance and Angle Measurements. - Johanna Geis; Erik Sippel; Patrick Gröschel; Markus Hehn; Martin Schütz; Martin Vossiek (IEEE Access, 2020)

Quasi-Coherent Phase-Based Localization and Tracking of Incoherently Transmitting Radio Beacons. - Erik Sippel; Markus Hehn; Tobias Koegel; Patrick Gröschel; Andreas Hofmann; Stefan Brückner; Johanna Geis; Robert Schober; Martin Vossiek (IEEE Access, 2021)