Abstract
In this paper, an alternative to the traditional methodology related to signal processing-like subjects is proposed. These are subjects that require a deep mathematical and theoretical basis, but the practical goal is not often emphasized, which drives students to lose interest in the subject. Thus, a software-defined radio environment is proposed to provide a more practical view of the subject. This solution consists of an open hardware–software platform able to capture and process a wide range of frequencies. HackRF is the hardware component, while GNU Radio will provide the graphical support to this device. The tests performed with a set of 36 students have revealed that they are more satisfied with this framework than just employing a traditional equation-based environment as Matlab. Furthermore, their scores in the exams also support the suitability of the proposed platform.
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