activity
20242026
collaborators

6 papers

cs.LG2026

Importance-Aware Feature Sparsification for Wireless Split Learning

Bumjun Kim, Yoon Huh, Wan Choi

Wireless split learning (SL) reduces on-device computation by offloading upper layers to a server, yet transmitting high-dimensional intermediate features at each iteration remains…

eess.SP2026

Differential Privacy in Feature Reconstruction Aided Federated Learning for Agent's Semantic Communication Model Update

Yoon Huh, Bumjun Kim, Wan Choi

This paper proposes a differentially private federated learning (FL) framework built upon an FL algorithm with semantic feature reconstruction (FedSFR) for training semantic commun…

eess.SP2025

Feature Reconstruction Aided Federated Learning for Image Semantic Communication

Yoon Huh, Bumjun Kim, Wan Choi

Research in semantic communication has garnered considerable attention, particularly in the area of image transmission, where joint source-channel coding (JSCC)-based neural networ…

eess.SP2025

Federated Learning Enhanced by Feature Reconstruction for Semantic Communication Module Updates of Agents

Yoon Huh, Bumjun Kim, Wan Choi

Recent advancements in semantic communication have primarily focused on image transmission, where neural network-based joint source-channel coding modules play a central role. Howe…

cs.LG2025

Two Stage Wireless Federated LoRA Fine-Tuning with Sparsified Orthogonal Updates

Bumjun Kim, Wan Choi

Federated fine-tuning with low-rank adaptation (LoRA) communicates only two low-rank matrices instead of the full model, but existing methods typically fix the LoRA rank in advance…

eess.SP2024

Privacy-Enhanced Over-the-Air Federated Learning via Client-Driven Power Balancing

Bumjun Kim, Hyowoon Seo, Wan Choi

This paper introduces a novel privacy-enhanced over-the-air Federated Learning (OTA-FL) framework using client-driven power balancing (CDPB) to address privacy concerns in OTA-FL s…