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Dynamic Resource Optimization For Adaptive Federated Learning At The Wireless Network Edge

Paolo Di Lorenzo, Claudio Battiloro, Mattia Merluzzi, Sergio Barbarossa

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    Length: 00:11:31
11 Jun 2021

The aim of this paper is to propose a novel dynamic resource allocation strategy for energy-efficient federated learning at the wireless network edge, with latency and learning performance guarantees. We consider a set of devices collecting local data and uploading processed information to an edge server, which runs stochastic gradient descent (SGD) to perform distributed learning and adaptation. Hinging on Lyapunov stochastic optimization tools, we dynamically optimize radio parameters (e.g., set of transmitting devices, transmit powers) and computation resources (e.g., CPU cycles at devices and at server) in order to strike the best trade-off between energy, latency, and performance of the federated learning task. The general framework is then customized to the case of federated least mean squares (LMS) estimation. Numerical results illustrate the effectiveness of our strategy to perform energy-efficient, low-latency, federated machine learning at the wireless network edge.

Chairs:
Wolfgang Utschick

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