Heterogeneity in edge device compute and communication capacities introduces severe straggler delays in federated optimization. We introduce a dynamic tiering methodology grouping clients adaptively by throughput and latency, cutting federated training completion wall-clock time by over 80% without sacrificing model convergence or global classification accuracy.
@article{sajjadi2024tiering,
title = {Speed Up Federated Learning in Heterogeneous Environments: A Dynamic Tiering Approach},
author = {Sajjadi Mohammadabadi, Seyed Mahmoud and Zawad, Syed and Yan, Feng and Yang, Lei},
journal = {IEEE Internet of Things Journal},
volume = {12},
number = {5},
pages = {5026--5035},
year = {2025},
publisher = {IEEE},
doi = {10.1109/JIOT.2024.3468511}
}