Browsing by Author "Varga Cepeda, Juan Camilo"

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    Implementación de un modelo de medición de señales GSM mediante SDR
    Sánchez Galindo, Edgar Alexander; Varga Cepeda, Juan Camilo; Chamorro Tovar, Maykoll; Gómez Devia, Félix Roberto
    The present research work consists of the implementation of a signal management model Global System for Mobile Communications (GSM) through a Software Defined Radio (SDR), which provides information to the students of the Universidad Agustiniana a practical alternative for the knowledge and functioning of the different. features that are part of the GSM signal with the help of SDR (HackRf One) and free software applications such as GNU Radio and Wireshark. For this, the main characteristics of the GSM signal that can be measured with the SDR are established, determining the software, hardware and GNU Radio blocks requirements necessary for its development. In order to verify the effectiveness of the measurement model implemented, the results obtained are exposed, among which elements such as the frequency bands assigned for this technology, access to the random channel (RACH), the immediate assignment over the control channel stand out. common (CCCH), Absolute Radio Frequency Channel Numbers (ARFCN), among other parameters that provide a basis for the development of practical alternatives for knowledge and understanding of mobile communications.