128 citations · 303 across the 41 of their papers we have counts for
27 papers · 1 filter
Semantic Error Correction and Decoding for Short Block Codes
Jiafu Hao, Chentao Yue, Wanchun Liu +2
This paper presents a semantic-enhanced receiver framework for transmitting natural language sentences over noisy wireless channels using multiple short block codes. After ASCII en…
Goal-oriented Transmission Scheduling: Structure-guided DRL with a Unified Dual On-policy and Off-policy Approach
Jiazheng Chen, Wanchun Liu
Goal-oriented communications prioritize application-driven objectives over data accuracy, enabling intelligent next-generation wireless systems. Efficient scheduling in multi-devic…
Wireless Resource Allocation with Collaborative Distributed and Centralized DRL under Control Channel Attacks
Ke Wang, Wanchun Liu, Teng Joon Lim
In this paper, we consider a wireless resource allocation problem in a cyber-physical system (CPS) where the control channel, carrying resource allocation commands, is subjected to…
Wireless Human-Machine Collaboration in Industry 5.0
Gaoyang Pang, Wanchun Liu, Dusit Niyato +3
Wireless Human-Machine Collaboration (WHMC) represents a critical advancement for Industry 5.0, enabling seamless interaction between humans and machines across geographically dist…
Splitting Receiver with Multiple Antennas
Yanyan Wang, Wanchun Liu, Xiangyun Zhou
Recently proposed splitting receivers, utilizing both coherently and non-coherently processed signals for detection, have demonstrated remarkable performance gain compared to conve…
Structure-Enhanced DRL for Optimal Transmission Scheduling
Jiazheng Chen, Wanchun Liu, Daniel E. Quevedo +3
Remote state estimation of large-scale distributed dynamic processes plays an important role in Industry 4.0 applications. In this paper, we focus on the transmission scheduling pr…
Structure-Enhanced Deep Reinforcement Learning for Optimal Transmission Scheduling
Jiazheng Chen, Wanchun Liu, Daniel E. Quevedo +2
Remote state estimation of large-scale distributed dynamic processes plays an important role in Industry 4.0 applications. In this paper, by leveraging the theoretical results of s…
Deep Reinforcement Learning for Radio Resource Allocation in NOMA-based Remote State Estimation
Gaoyang Pang, Wanchun Liu, Yonghui Li +1
Remote state estimation, where many sensors send their measurements of distributed dynamic plants to a remote estimator over shared wireless resources, is essential for mission-cri…
Over-the-Air Computation via Broadband Channels
Tianrui Qin, Wanchun Liu, Branka Vucetic +1
Over-the-air computation (AirComp) has been recognized as a low-latency solution for wireless sensor data fusion, where multiple sensors send their measurement signals to a receive…
Over-the-Air Computation with Spatial-and-Temporal Correlated Signals
Wanchun Liu, Xin Zang, Branka Vucetic +1
Over-the-air computation (AirComp) leveraging the superposition property of wireless multiple-access channel (MAC), is a promising technique for effective data collection and compu…
Anytime Control under Practical Communication Model
Wanchun Liu, Daniel E. Quevedo, Yonghui Li +1
We investigate a novel anytime control algorithm for wireless networked control with random dropouts. The controller computes sequences of tentative future control commands using t…
On the Latency, Rate and Reliability Tradeoff in Wireless Networked Control Systems for IIoT
Wanchun Liu, Girish Nair, Yonghui Li +3
Wireless networked control systems (WNCSs) provide a key enabling technique for Industry Internet of Things (IIoT). However, in the literature of WNCSs, most of the research focuse…
Wireless Feedback Control with Variable Packet Length for Industrial IoT
Kang Huang, Wanchun Liu, Yonghui Li +2
The paper considers a wireless networked control system (WNCS), where a controller sends packets carrying control information to an actuator through a wireless channel to control a…
Over-the-Air Computation Systems: Optimal Design with Sum-Power Constraint
Xin Zang, Wanchun Liu, Yonghui Li +1
Over-the-air computation (AirComp), which leverages the superposition property of wireless multiple-access channel (MAC) and the mathematical tool of function representation, has b…
SWIPT with Practical Modulation and RF Energy Harvesting Sensitivity
Wanchun Liu, Xiangyun Zhou, Salman Durrani +1
In this paper, we investigate the performance of simultaneous wireless information and power transfer (SWIPT) in a point-to-point system, adopting practical -ary modulation. We…
Over-the-Air Computation Systems: Optimization, Analysis and Scaling Laws
Wanchun Liu, Xin Zang, Yonghui Li +1
For future Internet of Things (IoT)-based Big Data applications (e.g., smart cities/transportation), wireless data collection from ubiquitous massive smart sensors with limited spe…
On the Performance of Splitting Receiver with Joint Coherent and Non-Coherent Processing
Yanyan Wang, Wanchun Liu, Xiangyun Zhou +1
In this paper, we revisit a recently proposed receiver design, named the splitting receiver, which jointly uses coherent and non-coherent processing for signal detection. By consid…
Wireless Networked Control Systems with Coding-Free Data Transmission for Industrial IoT
Wanchun Liu, Petar Popovski, Yonghui Li +1
Wireless networked control systems for the Industrial Internet of Things (IIoT) require low latency communication techniques that are very reliable and resilient. In this paper, we…
Optimal Downlink-Uplink Scheduling of Wireless Networked Control for Industrial IoT
Kang Huang, Wanchun Liu, Yonghui Li +2
This paper considers a wireless networked control system (WNCS) consisting of a dynamic system to be controlled (i.e., a plant), a sensor, an actuator and a remote controller for m…
Real-Time Remote Estimation with Hybrid ARQ in Wireless Networked Control
Kang Huang, Wanchun Liu, Mahyar Shirvanimoghaddam +2
Real-time remote estimation is critical for mission-critical applications including industrial automation, smart grid and tactile Internet. In this paper, we propose a hybrid autom…
To Retransmit or Not: Real-Time Remote Estimation in Wireless Networked Control
Kang Huang, Wanchun Liu, Yonghui Li +1
Real-time remote estimation is critical for mission-critical applications including industrial automation, smart grid, and the tactile Internet. In this paper, we propose a hybrid…
Backscatter Multiplicative Multiple-Access Systems: Fundamental Limits and Practical Design
Wanchun Liu, Ying-Chang Liang, Yonghui Li +1
In this paper, we consider a novel ambient backscatter multiple-access system, where a receiver (Rx) simultaneously detects the signals transmitted from an active transmitter (Tx)…
A Novel Receiver Design with Joint Coherent and Non-Coherent Processing
Wanchun Liu, Xiangyun Zhou, Salman Durrani +1
In this paper, we propose a novel splitting receiver, which involves joint processing of coherently and non-coherently received signals. Using a passive RF power splitter, the rece…
Next Generation Backscatter Communication: Systems, Techniques and Applications
Wanchun Liu, Kaibin Huang, Xiangyun Zhou +1
The rapid growth of IoT driven by recent advancements in consumer electronics, 5G communication technologies, and cloud-computing enabled big-data analytics, has recently attracted…