Search Results for author: Flor Ortiz

Found 8 papers, 0 papers with code

Optimizing Satellite Network Infrastructure: A Joint Approach to Gateway Placement and Routing

no code implementations2 May 2024 Yuma Abe, Flor Ortiz, Eva Lagunas, Victor Monzon Baeza, Symeon Chatzinotas, Hiroyuki Tsuji

Satellite constellation systems are becoming more attractive to provide communication services worldwide, especially in areas without network connectivity.

Management

Emerging NGSO Constellations: Spectral Coexistence with GSO Satellite Communication Systems

no code implementations19 Apr 2024 Flor Ortiz, Eva Lagunas, Almoatssimbillah Saifaldawla, Mahdis Jalali, Luis Emiliani, Symeon Chatzinotas

Moving onto operational aspects related to the sharing of spectrum, we introduce recent work on interference detection, identification, and mitigation and provide our vision of the emerging role of artificial intelligence (AI) in the aforementioned tasks.

Management

Performance Evaluation of Neuromorphic Hardware for Onboard Satellite Communication Applications

no code implementations12 Jan 2024 Eva Lagunas, Flor Ortiz, Geoffrey Eappen, Saed Daoud, Wallace Alves Martins, Jorge Querol, Symeon Chatzinotas, Nicolas Skatchkovsky, Bipin Rajendran, Osvaldo Simeone

Spiking neural networks (SNNs) implemented on neuromorphic processors (NPs) can enhance the energy efficiency of deployments of artificial intelligence (AI) for specific workloads.

Genetic Algorithm-based Beamforming in Subarray Architectures for GEO Satellites

no code implementations2 Nov 2023 Juan Andrés Vásquez-Peralvo, Jorge Querol, Eva Lagunas, Flor Ortiz, Luis Manuel Garcés-Socarrás, Jorge Luis González-Rios, Victor Monzon Baeza, Symeon Chatzinotas

The incorporation of subarrays in Direct Radiating Arrays for satellite missions is fundamental in reducing the number of Radio Frequency chains, which correspondingly diminishes cost, power consumption, space, and mass.

Supervised Learning Based Real-Time Adaptive Beamforming On-board Multibeam Satellites

no code implementations2 Nov 2023 Flor Ortiz, Juan A. Vasquez-Peralvo, Jorge Querol, Eva Lagunas, Jorge L. Gonzalez Rios, Marcele O. K. Mendonca, Luis Garces, Victor Monzon Baeza, Symeon Chatzinotas

Satellite communications (SatCom) are crucial for global connectivity, especially in the era of emerging technologies like 6G and narrowing the digital divide.

Management

Harnessing Supervised Learning for Adaptive Beamforming in Multibeam Satellite Systems

no code implementations25 Sep 2023 Flor Ortiz, Juan A. Vasquez-Peralvo, Jorge Querol, Eva Lagunas, Jorge L. Gonzalez Rios, Luis Garces, Victor Monzon-Baeza, Symeon Chatzinotas

In today's ever-connected world, the demand for fast and widespread connectivity is insatiable, making multibeam satellite systems an indispensable pillar of modern telecommunications infrastructure.

Gateway Station Geographical Planning for Emerging Non-Geostationary Satellites Constellations

no code implementations19 Sep 2023 Victor Monzon Baeza, Flor Ortiz, Eva Lagunas, Tedros Salih Abdu, Symeon Chatzinotas

Among the recent advances and innovations in satellite communications, Non-Geostationary Orbit (NGSO) satellite constellations are gaining popularity as a viable option for providing widespread broadband internet access and backhauling services.

Energy-Efficient On-Board Radio Resource Management for Satellite Communications via Neuromorphic Computing

no code implementations22 Aug 2023 Flor Ortiz, Nicolas Skatchkovsky, Eva Lagunas, Wallace A. Martins, Geoffrey Eappen, Saed Daoud, Osvaldo Simeone, Bipin Rajendran, Symeon Chatzinotas

The latest satellite communication (SatCom) missions are characterized by a fully reconfigurable on-board software-defined payload, capable of adapting radio resources to the temporal and spatial variations of the system traffic.

Management

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