469 citations · 3.4k across the 163 of their papers we have counts for
18 papers · 2 filters
Task Offloading for Large-Scale Asynchronous Mobile Edge Computing: An Index Policy Approach
Yizhen Xu, Peng Cheng, Zhuo Chen +3
Mobile-edge computing (MEC) offloads computational tasks from wireless devices to network edge, and enables real-time information transmission and computing. Most existing work con…
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…
Beyond Cell-free MIMO: Energy Efficient Reconfigurable Intelligent Surface Aided Cell-free MIMO Communications
Yutong Zhang, Boya Di, Hongliang Zhang +3
Cell-free systems can effectively eliminate the inter-cell interference by enabling multiple base stations (BSs) to cooperatively serve users without cell boundaries at the expense…
Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission
Zijie Ji, Phee Lep Yeoh, Gaojie Chen +5
In this paper, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We sh…
Deep Residual Learning-Assisted Channel Estimation in Ambient Backscatter Communications
Xuemeng Liu, Chang Liu, Yonghui Li +2
Channel estimation is a challenging problem for realizing efficient ambient backscatter communication (AmBC) systems. In this letter, channel estimation in AmBC is modeled as a den…
Deep Multi-Task Learning for Cooperative NOMA: System Design and Principles
Yuxin Lu, Peng Cheng, Zhuo Chen +3
Envisioned as a promising component of the future wireless Internet-of-Things (IoT) networks, the non-orthogonal multiple access (NOMA) technique can support massive connectivity w…
Optimizing Information Freshness via Multiuser Scheduling with Adaptive NOMA/OMA
Qian Wang, He Chen, Changhong Zhao +3
This paper considers a wireless network with a base station (BS) conducting timely status updates to multiple clients via adaptive non-orthogonal multiple access (NOMA)/orthogonal…
Optimizing Information Freshness in Two-Hop Status Update Systems under a Resource Constraint
Yifan Gu, Qian Wang, He Chen +2
In this paper, we investigate the age minimization problem for a two-hop relay system, under a resource constraint on the average number of forwarding operations at the relay. We f…
Optimizing Information Freshness in Two-Way Relay Networks
Bohai Li, He Chen, Nikolaos Pappas +1
In this paper, we investigate an amplify-and-forward (AF) based two-way cooperative status update system, where two sources aim to exchange status updates with each other as timely…
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…
A Revisit to Ordered Statistics Decoding: Distance Distribution and Decoding Rules
Chentao Yue, Mahyar Shirvanimoghaddam, Branka Vucetic +1
This paper revisits the ordered statistics decoding (OSD). It provides a comprehensive analysis of the OSD algorithm by characterizing the statistical properties, evolution and the…
Grant-Free Non-Orthogonal Multiple Access: A Key Enabler for 6G-IoT
Rana Abbas, Tao Huang, Basit Shahab +3
The proliferating number of devices with short payloads as well as low power budget has already driven researchers away from classical grant-based access schemes that are notorious…
Bayesian Receiver Design for Grant-Free NOMA with Message Passing Based Structured Signal Estimation
Yuanyuan Zhang, Zhengdao Yuan, Qinghua Guo +3
Grant-free non-orthogonal multiple access (NOMA) is promising to achieve low latency massive access in Internet of Things (IoT) applications. In grant-free NOMA, pilot signals are…
Age-Oriented Opportunistic Relaying in Cooperative Status Update Systems with Stochastic Arrivals
Bohai Li, He Chen, Yong Zhou +1
This paper considers a cooperative status update system with a source aiming to send randomly generated status updates to a designated destination as timely as possible with the he…
Minimizing Age of Information via Hybrid NOMA/OMA
Qian Wang, He Chen, Yonghui Li +1
This paper considers a wireless network with a base station (BS) conducting timely transmission to two clients in a slotted manner via hybrid non-orthogonal multiple access (NOMA)/…
Minimizing the Age of Information of Cognitive Radio-Based IoT Systems Under A Collision Constraint
Qian Wang, He Chen, Yifan Gu +2
This paper considers a cognitive radio-based IoT monitoring system, consisting of an IoT device that aims to update its measurement to a destination using cognitive radio technique…
Spectrum Intelligent Radio: Technology, Development, and Future Trends
Peng Cheng, Zhuo Chen, Ming Ding +3
The advent of Industry 4.0 with massive connectivity places significant strains on the current spectrum resources, and challenges the industry and regulators to respond promptly wi…