2k citations · 4.9k across the 86 of their papers we have counts for
89 papers
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…
UAV-assisted IoT Monitoring Network: Adaptive Multiuser Access for Low-Latency and High-Reliability Under Bursty Traffic
Nilupuli Senadhira, Salman Durrani, Sheeraz A. Alvi +2
In this work, we propose an adaptive system design for an Internet of Things (IoT) monitoring network with latency and reliability requirements, where IoT devices generate time-cri…
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…
An Unsupervised Learning Approach for Spectrum Allocation in Terahertz Communication Systems
Akram Shafie, Chunhui Li, Nan Yang +2
We propose a new spectrum allocation strategy, aided by unsupervised learning, for multiuser terahertz communication systems. In this strategy, adaptive sub-band bandwidth is consi…
Splitting Receiver with Joint Envelope and Coherent Detection
Yanyan Wang, Wanchun Liu, Xiangyun Zhou
This letter proposes a new splitting receiver design with joint envelope detection (ED) and coherent detection (CD). To characterize its fundamental performance limit, we conduct h…
Stability of Linear Set-Membership Filters With Respect to Initial Conditions: An Observation-Information Perspective
Yirui Cong, Xiangke Wang, Xiangyun Zhou
The issue of filter stability with respect to (w.r.t.) the initial condition refers to the unreliable filtering process caused by improper prior information of the initial state. T…
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…
Coverage Analysis for 3D Terahertz Communication Systems
Akram Shafie, Nan Yang, Salman Durrani +3
We conduct novel coverage probability analysis of downlink transmission in a three-dimensional (3D) terahertz (THz) communication (THzCom) system. In this system, we address the un…
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…
Power Beacon Placement for Maximizing Guaranteed Coverage in Bistatic Backscatter Networks
Xiaolun Jia, Xiangyun Zhou
The bistatic backscatter architecture, with its extended range, enables flexible deployment opportunities for backscatter devices. In this paper, we study the placement of power be…
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…
Rethinking the Mathematical Framework and Optimality of Set-Membership Filtering
Yirui Cong, Xiangke Wang, Xiangyun Zhou
Set-Membership Filter (SMF) has been extensively studied for state estimation in the presence of bounded noises with unknown statistics. Since it was first introduced in the 1960s,…
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…