Maestría en Telecomunicaciones

Permanent URI for this collectionhttp://repositorio.uta.edu.ec/handle/123456789/32901

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    Sistema de comunicación y transmisión de video en tiempo real a través de drones a larga distancia
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Maestría en Telecomunicaciones, 2021) Moreta Changoluiza, Janneth Elizabeth; Moreno Avilés, Hugo Oswaldo
    One of the major technological trends worldwide is the development and use of Unmanned Aerial Vehicles (UAV) civil and military fields. Nowadays, video transmission has become a trend, and as technology advances, the human being demands more sophisticated technological tools. In this case we are looking at better quality real-time video transmission which increases even more with the help of a drone allowing the user to have an overview of areas difficult to access. This article shows the design and implementation of a wireless communications system which allows transmission of video in real time (Streaming) from the DJI Matrice 600 Pro industrial drone in flight controlled from a ground base station. Software with SDR (Software Defined Radio) technology was used for this project, which has helped complete several stages of the system. With the exception of elements such as antennas or amplifiers, all of the blocks have been implemented normally. On the other hand, the use of hardware was minimized to the use of a computer with LabVIEW, USRPs, a drone, a camera and the antennas. For the verification of the results, the respective tests were carried out in a lab.
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    Sistemas de comunicación air-to-air para trabajo colaborativo de drones en zonas rurales
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Maestría en Telecomunicaciones, 2021) Caicedo Altamirano, Fernando Sebastián; Moreno Avilés, Hugo Oswaldo
    This paper proposes the development and implementation of a communications system for multiple drones working in synchronization on the same task, as well as, the identification of optimal frequencies for optimal system performance. SDR technology was used by means of USRP NI-2932 devices and log-periodic antennas. The system was developed in LabVIEW. QAM modulation was used in the creation of a graphical interface for said system’s transmitter and the receiver. The performance tests were carried out in two stages. The first stage was held in a laboratory whilst the second was held in the field in a rural area. It was possible to identify that there is the highest amount of interference produced by drones in operation between 2 and 3 GHz and that 1.8 GHz is the optimal performance frequency for the communication system.