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A Finite Blocklength Approach for Wireless Hierarchical Federated Learning in the Presence of Physical Layer Security (2210.11747v2)
Published 21 Oct 2022 in cs.IT and math.IT
Abstract: In this paper, the wireless hierarchical federated learning (HFL) is revisited by considering physical layer security (PLS). First, we establish a framework for this new problem. Then, we propose a practical finite blocklength (FBL) coding scheme for the wireless HFL in the presence of PLS, which is self-secure when the coding blocklength is lager than a certain threshold. Finally, the study of this paper is further explained via numerical examples and simulation results.