activity
20242026
collaborators

5 papers

cs.LG2026

Efficient Federated Conformal Prediction with Group-Conditional Guarantee

Haifeng Wen, Osvaldo Simeone, Hong Xing

Deploying trustworthy AI systems requires principled uncertainty quantification. Conformal prediction (CP) is a widely used framework for constructing prediction sets with distribu…

cs.LG2026

Differential Privacy as a Perk: Federated Learning over Multiple-Access Fading Channels with a Multi-Antenna Base Station

Hao Liang, Haifeng Wen, Kaishun Wu +1

Federated Learning (FL) is a distributed learning paradigm that preserves privacy by eliminating the need to exchange raw data during training. In its prototypical edge instantiati…

cs.LG2025

Pre-Training and Personalized Fine-Tuning via Over-the-Air Federated Meta-Learning: Convergence-Generalization Trade-Offs

Haifeng Wen, Hong Xing, Osvaldo Simeone

For modern artificial intelligence (AI) applications such as large language models (LLMs), the training paradigm has recently shifted to pre-training followed by fine-tuning. Furth…

cs.LG2025

Distributed Conformal Prediction via Message Passing

Haifeng Wen, Hong Xing, Osvaldo Simeone

Post-hoc calibration of pre-trained models is critical for ensuring reliable inference, especially in safety-critical domains such as healthcare. Conformal Prediction (CP) offers a…

cs.IT2024

NCAirFL: CSI-Free Over-the-Air Federated Learning Based on Non-Coherent Detection

Haifeng Wen, Nicolò Michelusi, Osvaldo Simeone +1

Over-the-air federated learning (FL), i.e., AirFL, leverages computing primitively over multiple access channels. A long-standing challenge in AirFL is to achieve coherent signal a…