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Author

Ronald Y. Chang

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2026

Communication-Efficient Semantic Split Federated Learning via Variational Information Bottleneck Driven Dynamic Slicing

This letter proposes a novel channel-aware semantic SFL (CA-SSFL) framework. The client model employs a dual-masking architecture, where a distributed variational information bottleneck (VIB) generates a semantic mask by prioritizing feature dimensions, while a signal-to-noise ratio (SNR)-driven module produces a dynam...

Sunmin Kim, Tae Yeon Kim, Joohyung Lee et al. · 0 citations
2026

AdaSplitLoRA: Adaptive Split Federated Learning for Efficient LLM Fine-Tuning in Wireless Networks

This letter proposes Adaptive Split LoRA (AdaSplitLoRA), a framework that jointly optimizes adaptive low rank adaptor (LoRA) rank allocation and dynamic bandwidth allocation for communication-efficient split federated learning (SFL)-based large language model (LLM) fine-tuning. We formulate a joint per-round latency mi...

HyunJun Choi, Joohyung Lee, Ronald Y. Chang · 0 citations

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