While privacy concerns remain the main challenge starting with the promulgation of the General Data Protection Regulation (GDPR), for deep learning applications, Google introduced recently the Federated Learning (FL) technique to offer support for high privacy-sensitive data, which makes FL a hot research topic nowadays. Thus, it is a distributed machine learning technique in which multiple devices (clients) collaboratively train a global model to solve issues where the first concern is data privacy. This work provides a brief study of FL: an overview of this new topic, related works, a comparison with other machine learning techniques, an overview of algorithms that are currently used, and, in the end, some simulation results and new directions of research. The simulations show the distributed behavior of the FL algorithm and the way in which the Federated Averaging method can be applied. Through the performed analysis of the obtained results, it was figured out that approach would be beneficial for several applications in domains like automotive, 5G and others.

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Technik, Elektrotechnik, Grundlagen der Elektrotechnik, Automatisierungstechnik, Elektronik, Energietechnik