Adaptive function approximation based on the Discrete Cosine Transform (DCT)

no code implementations • 1 Sep 2023 • Ana I. Pérez-Neira, Marc Martinez-Gost, Miguel Ángel Lagunas

This paper studies the cosine as basis function for the approximation of univariate and continuous functions without memory.

Polarization-Based Security: Safeguarding Wireless Communications at the Physical Layer

no code implementations • 14 Jul 2023 • Pol Henarejos, Ana I. Pérez-Neira

Physical layer security is a field of study that continues to gain importance over time.

On the Use of AI for Satellite Communications

no code implementations • 15 Jul 2020 • Miguel Ángel Vázquez, Pol Henarejos, Ana I. Pérez-Neira, Elena Grechi, Andreas Voight, Juan Carlos Gil, Irene Pappalardo, Federico Di Credico, Rocco Michele Lancellotti

This document presents an initial approach to the investigation and development of artificial intelligence (AI) mechanisms in satellite communication (SatCom) systems.

3D Polarized Modulation: System Analysis and Performance

no code implementations • 15 Jul 2020 • Pol Henarejos, Ana I. Pérez-Neira

In this paper we present a novel modulation technique for dual polarization communication systems, which reduces the error rate compared with the existent schemes.