3D indoor Propagation Simulator using Ray Tracing for 10-20 GHz frequency Band on GPU with NVIDIA-Optix under Unity graphic Engine. Perspectivas [Internet]. 2023 Aug. 16 [cited 2025 Dec. 24];5(2):49-56. Available from: https://perspectivas.espoch.edu.ec/RCP_ESPOCH/article/view/203