Search Results for author: Qinghe Du

Found 11 papers, 0 papers with code

Emergency Communication: OTFS-Based Semantic Transmission with Diffusion Noise Suppression

no code implementations10 Apr 2025 Kexin Zhang, Xin Zhang, Lixin Li, Wensheng Lin, Wenchi Cheng, Qinghe Du

However, the complex channel conditions in high-speed mobile scenarios significantly impact the reliability and efficiency of traditional communication systems.

Denoising Key Information Extraction +1

Redefining Information Freshness: AoGI for Generative AI in 6G Networks

no code implementations6 Apr 2025 Yuquan Xiao, Qinghe Du, Wenchi Cheng, George K. Karagiannidis, Arumugam Nallanathan, Mohsen Guizani

Generative Artificial Intelligence (GenAI) is playing an increasingly important role in enriching and facilitating human life by generating various useful information, of which real-time GenAI is a significant part and has great potential in applications such as real-time robot control, automated driving, augmented reality, etc.

Deep Graph Reinforcement Learning for UAV-Enabled Multi-User Secure Communications

no code implementations2 Apr 2025 Xiao Tang, Kexin Zhao, Chao Shen, Qinghe Du, Yichen Wang, Dusit Niyato, Zhu Han

While unmanned aerial vehicles (UAVs) with flexible mobility are envisioned to enhance physical layer security in wireless communications, the efficient security design that adapts to such high network dynamics is rather challenging.

Graph Neural Network reinforcement-learning +1

RIS-Assisted Simultaneous Legitimate Monitoring and Jamming for Industrial Wireless Networks

no code implementations25 Dec 2024 Likang Zhang, Qinghe Du, Yijing Ren, Xiao Tang, Maged Elkashlan, Zhu Han

In this paper, we study reconfigurable intelligent surface (RIS)-assisted simultaneous legitimate monitoring and jamming techniques for industrial environments, so that egitimate monitor (LM) and legitimate jammers (LJs) can sustainably monitor and interfere with suspicious communications with minimum transmission power.

Capacity Analysis on OAM-Based Wireless Communications: An Electromagnetic Information Theory Perspective

no code implementations16 Dec 2024 Runyu Lyu, Wenchi Cheng, Qinghe Du, Tony Q. S. Quek

Orbital angular momentum (OAM) technology enhances the spectrum and energy efficiency of wireless communications by enabling multiplexing over different OAM modes.

Deep Learning-Assisted Jamming Mitigation with Movable Antenna Array

no code implementations27 Oct 2024 Xiao Tang, Yudan Jiang, Jinxin Liu, Qinghe Du, Dusit Niyato, Zhu Han

This paper reveals the potential of movable antennas in enhancing anti-jamming communication.

Deep Learning

Age of Trust (AoT): A Continuous Verification Framework for Wireless Networks

no code implementations4 Jun 2024 Yuquan Xiao, Qinghe Du, Wenchi Cheng, Panagiotis D. Diamantoulakis, George K. Karagiannidis

We then investigate how to find a compromise between average AoT and wireless transmission efficiency with limited resources.

Philosophy Q-Learning

Statistical Age of Information: A Risk-Aware Metric and Its Applications in Status Updates

no code implementations4 Jun 2024 Yuquan Xiao, Qinghe Du, George K. Karagiannidis

Motivated by this concern, and following the spirit of entropic value-at-risk (EVaR) in the field of risk analysis, in this paper we present a concept, termed Statistical AoI, for providing a unified framework to guarantee various requirements of risk-sensitive status-update services with the demand on the violation probability of the peak age.

A Two-Dimensional Deep Network for RF-based Drone Detection and Identification Towards Secure Coverage Extension

no code implementations26 Aug 2023 Zixiao Zhao, Qinghe Du, Xiang Yao, Lei Lu, Shijiao Zhang

As drones become increasingly prevalent in human life, they also raises security concerns such as unauthorized access and control, as well as collisions and interference with manned aircraft.

Robust Secrecy via Aerial Reflection and Jamming: Joint Optimization of Deployment and Transmission

no code implementations28 Feb 2023 Xiao Tang, Hongliang He, Limeng Dong, Lixin Li, Qinghe Du, Zhu Han

The security gain with aerial reflection and jamming is further improved with the optimized deployment of the aerial platform.

Deep Reinforcement Learning

Online Learning of Trellis Diagram Using Neural Network for Robust Detection and Decoding

no code implementations22 Feb 2022 Jie Yang, Qinghe Du, Yi Jiang

As an interesting by-product, we propose an enhancement to the BLE standard by introducing a bit interleaver to its physical layer; the resultant improvement of the receiver sensitivity can make it a better fit for some Internet of Things (IoT) communications.

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