Search Results for author: Bho Matthiesen

Found 11 papers, 2 papers with code

Energy-Aware Federated Learning in Satellite Constellations

no code implementations23 Sep 2024 Nasrin Razmi, Bho Matthiesen, Armin Dekorsy, Petar Popovski

Federated learning in satellite constellations, where the satellites collaboratively train a machine learning model, is a promising technology towards enabling globally connected intelligence and the integration of space networks into terrestrial mobile networks.

Federated Learning Management +1

Sparse Incremental Aggregation in Multi-Hop Federated Learning

no code implementations25 Jul 2024 Sourav Mukherjee, Nasrin Razmi, Armin Dekorsy, Petar Popovski, Bho Matthiesen

This paper investigates federated learning (FL) in a multi-hop communication setup, such as in constellations with inter-satellite links.

Federated Learning

Scheduling for On-Board Federated Learning with Satellite Clusters

no code implementations14 Feb 2024 Nasrin Razmi, Bho Matthiesen, Armin Dekorsy, Petar Popovski

Mega-constellations of small satellites have evolved into a source of massive amount of valuable data.

Federated Learning Scheduling

Robust Precoding via Characteristic Functions for VSAT to Multi-Satellite Uplink Transmission

no code implementations30 Jan 2023 Maik Röper, Bho Matthiesen, Dirk Wübben, Petar Popovski, Armin Dekorsy

In case of imperfect position knowledge, the performance degradation of the robust precoder is relatively small.

Position

Scheduling for Ground-Assisted Federated Learning in LEO Satellite Constellations

no code implementations4 Jun 2022 Nasrin Razmi, Bho Matthiesen, Armin Dekorsy, Petar Popovski

Distributed training of machine learning models directly on satellites in low Earth orbit (LEO) is considered.

Federated Learning Scheduling

Federated Learning in Satellite Constellations

no code implementations1 Jun 2022 Bho Matthiesen, Nasrin Razmi, Israel Leyva-Mayorga, Armin Dekorsy, Petar Popovski

Federated learning (FL) has recently emerged as a distributed machine learning paradigm for systems with limited and intermittent connectivity.

BIG-bench Machine Learning Federated Learning

Beamspace MIMO for Satellite Swarms

no code implementations16 Dec 2021 Maik Röper, Bho Matthiesen, Dirk Wübben, Petar Popovski, Armin Dekorsy

In this paper, we propose a distributed linear precoding scheme and a GS equalizer relying on local position information.

Position

On-Board Federated Learning for Dense LEO Constellations

no code implementations24 Nov 2021 Nasrin Razmi, Bho Matthiesen, Armin Dekorsy, Petar Popovski

Mega-constellations of small-size Low Earth Orbit (LEO) satellites are currently planned and deployed by various private and public entities.

Earth Observation Federated Learning

Ground-Assisted Federated Learning in LEO Satellite Constellations

no code implementations3 Sep 2021 Nasrin Razmi, Bho Matthiesen, Armin Dekorsy, Petar Popovski

In Low Earth Orbit (LEO) mega constellations, there are relevant use cases, such as inference based on satellite imaging, in which a large number of satellites collaboratively train a machine learning model without sharing their local datasets.

Federated Learning

Reconfigurable Intelligent Surfaces: A Signal Processing Perspective With Wireless Applications

2 code implementations1 Feb 2021 Emil Björnson, Henk Wymeersch, Bho Matthiesen, Petar Popovski, Luca Sanguinetti, Elisabeth de Carvalho

We will provide the formulas and derivations that are required to understand and analyze RIS-aided systems using signal processing, and exemplify how they can be utilized for improved communication, localization, and sensing.

A Globally Optimal Energy-Efficient Power Control Framework and its Efficient Implementation in Wireless Interference Networks

1 code implementation17 Dec 2018 Bho Matthiesen, Alessio Zappone, Karl-L. Besser, Eduard A. Jorswieck, Merouane Debbah

Specifically, thanks to its reduced complexity, the proposed method can be used to train an artificial neural network to predict the optimal resource allocation.

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