activity
20232026
most citedFedAQ: Communication-Efficient Federated Edge Learning via Joint Uplink and Downlink Adaptive Quantization

2 citations · 5 across the 13 of their papers we have counts for

collaborators

13 papers

cs.IT2026

Sensing Mutual Information for Communication Signal with Deterministic Pilots and Random Data Payloads

Lei Xie, Hengtao He, Jun Tong +2

The recent emergence of the integrated sensing and communication (ISAC) framework has sparked significant interest in quantifying the sensing capabilities inherent in communication…

eess.IV2025

ROI-based Deep Image Compression with Implicit Bit Allocation

Kai Hu, Han Wang, Renhe Liu +3

Region of Interest (ROI)-based image compression has rapidly developed due to its ability to maintain high fidelity in important regions while reducing data redundancy. However, ex…

cs.LG2025

FedLAM: Low-latency Wireless Federated Learning via Layer-wise Adaptive Modulation

Linping Qu, Shenghui Song, Chi-Ying Tsui

In wireless federated learning (FL), the clients need to transmit the high-dimensional deep neural network (DNN) parameters through bandwidth-limited channels, which causes the com…

cs.IT2025

Bistatic Target Detection by Exploiting Both Deterministic Pilots and Unknown Random Data Payloads

Lei Xie, Fan Liu, Shenghui Song +1

Integrated sensing and communication (ISAC) plays a crucial role in 6G, enabling innovative applications such as drone surveillance, urban air mobility, and low-altitude logistics.…

cs.LG2025

The Actor-Critic Update Order Matters for PPO in Federated Reinforcement Learning

Zhijie Xie, Shenghui Song

In the context of Federated Reinforcement Learning (FRL), applying Proximal Policy Optimization (PPO) faces challenges related to the update order of its actor and critic due to th…

cs.IT2024

Energy-Efficient Channel Decoding for Wireless Federated Learning: Convergence Analysis and Adaptive Design

Linping Qu, Yuyi Mao, Shenghui Song +1

One of the most critical challenges for deploying distributed learning solutions, such as federated learning (FL), in wireless networks is the limited battery capacity of mobile cl…

cs.LG2024★ 2 cited

FedAQ: Communication-Efficient Federated Edge Learning via Joint Uplink and Downlink Adaptive Quantization

Linping Qu, Shenghui Song, Chi-Ying Tsui

Federated learning (FL) is a powerful machine learning paradigm which leverages the data as well as the computational resources of clients, while protecting clients' data privacy.…

cs.IT2024★ 2 cited

Sensing Mutual Information with Random Signals in Gaussian Channels: Bridging Sensing and Communication Metrics

Lei Xie, Fan Liu, Jiajin Luo +1

Sensing performance is typically evaluated by classical radar metrics, such as Cramer-Rao bound and signal-to-clutter-plus-noise ratio. The recent development of the integrated sen…

eess.SP2024

Approximate Message Passing-Enhanced Graph Neural Network for OTFS Data Detection

Wenhao Zhuang, Yuyi Mao, Hengtao He +4

Orthogonal time frequency space (OTFS) modulation has emerged as a promising solution to support high-mobility wireless communications, for which, cost-effective data detectors are…

cs.LG2023

FedSDD: Scalable and Diversity-enhanced Distillation for Model Aggregation in Federated Learning

Ho Man Kwan, Shenghui Song

Recently, innovative model aggregation methods based on knowledge distillation (KD) have been proposed for federated learning (FL). These methods not only improved the robustness o…

cs.IT2023

Sensing Mutual Information with Random Signals in Gaussian Channels

Lei Xie, Fan Liu, Zhanyuan Xie +2

Sensing performance is typically evaluated by classical metrics, such as Cramer-Rao bound and signal-to-clutter-plus-noise ratio. The recent development of the integrated sensing a…

cs.LG2023

How Robust is Federated Learning to Communication Error? A Comparison Study Between Uplink and Downlink Channels

Linping Qu, Shenghui Song, Chi-Ying Tsui +1

Because of its privacy-preserving capability, federated learning (FL) has attracted significant attention from both academia and industry. However, when being implemented over wire…

cs.LG2023★ 1 cited

Client Selection for Federated Policy Optimization with Environment Heterogeneity

Zhijie Xie, Shenghui Song

The development of Policy Iteration (PI) has inspired many recent algorithms for Reinforcement Learning (RL), including several policy gradient methods that gained both theoretical…