Digital Radio Twin of Chalmers for 6G Integrated Sensing, Positioning, and Communication
Publicerad
Typ
Examensarbete på kandidatnivå
Bachelor Thesis
Bachelor Thesis
Program
Modellbyggare
Tidskriftstitel
ISSN
Volymtitel
Utgivare
Sammanfattning
This thesis presents the development of a Digital Radio Twin of Chalmers University
campus, aimed at enabling advanced simulation and evaluation of 6G wireless
communication systems. As future cellular technologies increasingly demand precise
modeling of radio environments, this project integrates 3D modeling, ray tracing,
and signal processing to create a simulation framework that reflects realistic propagation
conditions. Using Blender for geometric modeling and NVIDIA’s Sionna RT
for ray-tracing-based channel simulations, a virtual replica of the Chalmers campus
was constructed. This digital environment supports configurable transmitter
and receiver setups, allowing systematic analysis of signal behavior under various
parameters. The generated data was then used to compute key performance indicators
(KPIs) such as channel capacity, latency, and positioning accuracy. Despite
time and scope constraints, this approach demonstrates the feasibility and value of
digital radio twins in exploring and designing future 6G networks. The resulting
datasets and simulation tools offer a valuable foundation for further research in integrated
sensing, positioning, and communication. Analyzing the simulation results
provides insight into how different performance metrics affect the transmitted signal
in terms of both positioning and communication. Parameters such as the number of
subcarriers, orthogonal frequency-division multiplexing (OFDM) symbols, transmission
power, and distance, all seem to impact the performance metrics significantly.
For positioning, it became surprisingly evident that distance was not the only contributing
factor in achieving low positioning bounds; the system’s resolution also
seemed to play a significant role.