Desempenho de Modulações Digitais Utilizando Subsistemas SDR

Resumo

This project aims to contribute with results of analysis in the search for solutions to optimize transmission rate in telecommunication systems. To do that some digital modulation techniques are used. It was implemented a transmitter and receiver subsystems using SDR (Software Defined Radio) and its performance was tested in terms of BER (Bit Error Rate). The Frequency-Shift Keying (FSK) modulation was initially tested and observed the influence of the frequency and the distance in the BER of a communication system.