Description
This bachelor’s thesis investigates how devices can be localized in uncooperative
environments using only recorded signal data. The aim is to analyze the possibilities
and limitations of position and distance estimation without relying on dedicated
synchronization mechanisms or special localization signals. To this end, a flexible
framework was developed that integrates various algorithms for time-of-flight and
phase measurements, enabling the simulation of realistic signal and error conditions in
a virtual 3D environment. A particular focus is placed on the newly introduced "Phase
Whistle" method, which allows for phase-synchronization-free distance difference
estimation using Phase Difference of Arrival (PDOA). The thesis compares classical
and phase-based algorithms in terms of their accuracy, robustness against drift and
transmission errors, and applicability in networks with both trusted and untrusted
nodes. The results demonstrate that localization based on recorded communication
signals is fundamentally feasible, with the Phase Whistle method in particular offering
promising approaches for precise and flexible localization in heterogeneous networks.
The developed framework supports the rapid development and evaluation of new
algorithms, laying the foundation for further research in cooperative and uncooperative
localization settings.
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