PEMODELAN DAN SIMULASI INDOOR WIRELESS SYSTEM MENGGUNAKAN METODE FINITE VOLUME DENGAN GPU CUDA

GORMANTARA, ALFREDO (2020) PEMODELAN DAN SIMULASI INDOOR WIRELESS SYSTEM MENGGUNAKAN METODE FINITE VOLUME DENGAN GPU CUDA. S2 thesis, UNIVERSITAS ATMA JAYA YOGYAKARTA.

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Abstract

In this study, we propose a simulation of 2D indoor wireless systems using a finite volume method with GPU CUDA to solve Maxwell's equation. The domain is divided into several scenarios and discretized into structured and quadlilateral. Maxwell's equation is solved using finite volume space discretization, while time evolution is discretized using the Euler scheme. The boundary condition Perfectly Matched Layer (PML) is used to absorb waves that leave the domain. In addition, the use of the Lax-Friedrichs scheme is carried out to improve stability and obtain monotone properties. In addition, the comparison of the calculation of the execution time of CPU and GPU usage is also done in several different domain sizes. Our results show that the use of GPU can speed up the execution time to reach 9 times than the CPU. Finally, simulations show that the proposed method can handle indoor wireless system simulations well.

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