FedLECC: Cluster- and Loss-Guided Client Selection for Federated Learning under Non-IID Data

• URL: http://arxiv.org/abs/2603.08911v1
• Date: Mon, 09 Mar 2026 20:28:17 GMT
• Title: FedLECC: Cluster- and Loss-Guided Client Selection for Federated Learning under Non-IID Data
• Abstract summary: Federated Learning (FL) enables distributed Artificial Intelligence (AI) across cloud-edge environments.<n>This paper proposes FedLECC, a lightweight, cluster-aware, and loss-guided client selection strategy for cross-device FL.
• Score: 1.7230409592804714
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Federated Learning (FL) enables distributed Artificial Intelligence (AI) across cloud-edge environments by allowing collaborative model training without centralizing data. In cross-device deployments, FL systems face strict communication and participation constraints, as well as strong non-independent and identically distributed (non-IID) data that degrades convergence and model quality. Since only a subset of devices (a.k.a clients) can participate per training round, intelligent client selection becomes a key systems challenge. This paper proposes FedLECC (Federated Learning with Enhanced Cluster Choice), a lightweight, cluster-aware, and loss-guided client selection strategy for cross-device FL. FedLECC groups clients by label-distribution similarity and prioritizes clusters and clients with higher local loss, enabling the selection of a small yet informative and diverse set of clients. Experimental results under severe label skew show that FedLECC improves test accuracy by up to 12%, while reducing communication rounds by approximately 22% and overall communication overhead by up to 50% compared to strong baselines. These results demonstrate that informed client selection improves the efficiency and scalability of FL workloads in cloud-edge systems.

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