2k citations · 4.9k across the 86 of their papers we have counts for
82 papers · 1 filter
Performance Analysis of Finite Blocklength Transmissions Over Wiretap Fading Channels: An Average Information Leakage Perspective
Milad Tatar Mamaghani, Xiangyun Zhou, Nan Yang +2
Physical-layer security (PLS) is a promising technique to complement more traditional means of communication security in beyond-5G wireless networks. However, studies of PLS are of…
Secure Short-Packet Communications via UAV-Enabled Mobile Relaying: Joint Resource Optimization and 3D Trajectory Design
Milad Tatar Mamaghani, Xiangyun Zhou, Nan Yang +1
Short-packet communication (SPC) and unmanned aerial vehicles (UAVs) are anticipated to play crucial roles in the development of 5G-and-beyond wireless networks and the Internet of…
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…
Age of Information of Multi-user Mobile Edge Computing Systems
Zhifeng Tang, Zhuo Sun, Nan Yang +1
In this paper, we analyze the average age of information (AoI) and the average peak AoI (PAoI) of a multiuser mobile edge computing (MEC) system where a base station (BS) generates…
Average Age of Information Penalty of Short-Packet Communications with Packet Management
Zhifeng Tang, Nan Yang, Xiangyun Zhou +1
In this paper, we analyze the non-linear age of information (AoI) performance in a point-to-point short packet communication system, where a transmitter generates packets based on…
Age of Information in Downlink Systems: Broadcast or Unicast Transmission?
Zhifeng Tang, Nan Yang, Parastoo Sadeghi +1
We analytically decide whether the broadcast transmission scheme or the unicast transmission scheme achieves the optimal age of information (AoI) performance of a multiuser system…
The Age of Information of Short-Packet Communications: Joint or Distributed Encoding?
Zhifeng Tang, Nan Yang, Parastoo Sadeghi +1
In this paper, we analyze the impact of different encoding schemes on the age of information (AoI) performance in a point-to-point system, where a source generates packets based on…
Whittle Index Based Scheduling Policy for Minimizing the Cost of Age of Information
Zhifeng Tang, Zhuo Sun, Nan Yang +1
We design a new scheduling policy to minimize the general non-decreasing cost function of age of information (AoI) in a multiuser system. In this system, the base station stochasti…
IRS-Assisted Ambient Backscatter Communications Utilizing Deep Reinforcement Learning
Xiaolun Jia, Xiangyun Zhou
We consider an ambient backscatter communication (AmBC) system aided by an intelligent reflecting surface (IRS). The optimization of the IRS to assist AmBC is extremely difficult w…
Intelligent Reflecting Surface-Assisted Bistatic Backscatter Networks: Joint Beamforming and Reflection Design
Xiaolun Jia, Xiangyun Zhou, Dusit Niyato +1
Bistatic backscatter communication (BackCom) allows passive tags to transmit over extended ranges, but at the cost of having carrier emitters either transmitting at high powers or…
Covert Wireless Communications under Quasi-Static Fading with Channel Uncertainty
Khurram Shahzad, Xiangyun Zhou
Covert communications enable a transmitter to send information reliably in the presence of an adversary, who looks to detect whether the transmission took place or not. We consider…
Truncated Channel Inversion Power Control to Enable One-Way URLLC with Imperfect Channel Reciprocity
Chunhui Li, Shihao Yan, Nan Yang +1
We propose to use channel inversion power control (CIPC) to achieve one-way ultra-reliable and low-latency communications (URLLC), where only the transmission in one direction requ…
Intelligent Reflecting Surface-Aided Backscatter Communications
Xiaolun Jia, Jun Zhao, Xiangyun Zhou +1
We introduce a novel system setup where a backscatter device operates in the presence of an intelligent reflecting surface (IRS). In particular, we study the bistatic backscatter c…
A Retrodirective Wireless Power Transfer Scheme for Ambient Backscatter Systems
Sahar Idrees, Xiangyun Zhou, Salman Durrani +1
One of the key challenges of the Internet of Things (IoT) is to sustainably power the large number of IoT devices in real-time. In this paper, we consider a wireless power transfer…
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…
Uplink NOMA for Cellular-Connected UAV: Impact of UAV Trajectories and Altitude
Nilupuli Senadhira, Salman Durrani, Xiangyun Zhou +2
This paper considers an emerging cellular-connected unmanned aerial vehicle (UAV) architecture for surveillance or monitoring applications. We consider a scenario where a cellular-…
Covert Wireless Communication in Presence of a Multi-Antenna Adversary and Delay Constraints
Khurram Shahzad, Xiangyun Zhou, Shihao Yan
Covert communication hides the transmission of a message from a watchful adversary while ensuring reliable information decoding at the receiver, providing enhanced security in wire…
One-Way URLLC with Truncated Channel Inversion Power Control
Chunhui Li, Shihao Yan, Nan Yang +2
In this work, we consider one-way ultra-reliable and low-latency communication (URLLC), where only the transmission in one direction requires URLLC and the transmission in the oppo…
Design of Ambient Backscatter Training for Wireless Power Transfer
Sahar Idrees, Xiangyun Zhou, Salman Durrani +1
Wireless power transfer (WPT) using energy beamforming is a promising solution for low power Internet of Things (IoT) devices. In this work, we consider WPT from an energy transmit…
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…
Low Probability of Detection Communication: Opportunities and Challenges
Shihao Yan, Xiangyun Zhou, Jinsong Hu +1
Low probability of detection (LPD) communication has recently emerged as a new transmission technology to address privacy and security in wireless networks. Recent studies have est…
Sequencing and Scheduling for Multi-User Machine-Type Communication
Sheeraz A. Alvi, Xiangyun Zhou, Salman Durrani +1
In this paper, we propose joint sequencing and scheduling optimization for uplink machine-type communication (MTC). We consider multiple energy-constrained MTC devices that transmi…
Performance Characterization of Relaying Using Backscatter Devices
Xiaolun Jia, Xiangyun Zhou
In this paper, we examine the error performance of backscatter communication in the presence of ambient interference, where the backscatter device acts as a relay. Specifically, th…
Optimal Online Transmission Policy for Energy-Constrained Wireless-Powered Communication Networks
Xian Li, Xiangyun Zhou, Derrick Wing Kwan Ng +1
This work considers the design of online transmission policy in a wireless-powered communication system with a given energy budget. The system design objective is to maximize the l…