Design and simulation of a QPSK demodulator using Costas Loop
Keywords:
QPSK, Demodulation, Costas Loop, Simulation, Testbench, SNR, AWGN, FPGA, VHDLAbstract
This work, describes the design and simulation of a QPSK demodulator, intended for integration into a naval communications modem. For this purpose, a Costas loop circuit was used to perform a carrier recovery system. The demodulator was simulated on a mathematical software and VHDL. To check the system's performance, it was tested with different noise levels.
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Copyright (c) 2025 Tomás A. De Caso, Juan F. Loidi, Christian L. Galasso, Adrián H. Laiuppa, Martin H. Amado

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.



