207 citations · 1.5k across the 65 of their papers we have counts for
25 papers · 1 filter
Double-IRS Aided MIMO Communication under LoS Channels: Capacity Maximization and Scaling
Yitao Han, Shuowen Zhang, Lingjie Duan +1
Intelligent reflecting surface (IRS) is a promising technology to extend the wireless signal coverage and support the high performance communication. By intelligently adjusting the…
Cooperative Double-IRS Aided Communication: Beamforming Design and Power Scaling
Yitao Han, Shuowen Zhang, Lingjie Duan +1
Intelligent reflecting surface (IRS) is a promising technology to support high performance wireless communication. By adaptively configuring the reflection amplitude and/or phase o…
Towards Reliable UAV Swarm Communication in D2D-Enhanced Cellular Network
Yitao Han, Liang Liu, Lingjie Duan +1
In the existing cellular networks, it remains a challenging problem to communicate with and control an unmanned aerial vehicle (UAV) swarm with both high reliability and low latenc…
Dynamic Pricing for Controlling Age of Information
Xuehe Wang, Lingjie Duan
Fueled by the rapid development of communication networks and sensors in portable devices, today many mobile users are invited by content providers to sense and send back real-time…
Jamming-assisted Eavesdropping over Parallel Fading Channels
Yitao Han, Lingjie Duan, Rui Zhang
This paper advances the proactive eavesdropping research by considering a practical half-duplex mode for the legitimate monitor and dealing with the challenging case that the suspi…
Adaptive Deployment for UAV-Aided Communication Networks
Zhe Wang, Lingjie Duan, Rui Zhang
Unmanned aerial vehicle (UAV) as an aerial base station is a promising technology to rapidly provide wireless connectivity to ground users. Given UAV's agility and mobility, a key…
Proactive Eavesdropping via Jamming over HARQ-Based Communications
Jie Xu, Kai Li, Lingjie Duan +1
This paper studies the wireless surveillance of a hybrid automatic repeat request (HARQ) based suspicious communication link over Rayleigh fading channels. We propose a proactive e…
Wireless Surveillance of Two-Hop Communications
Ganggang Ma, Jie Xu, Lingjie Duan +1
Wireless surveillance is becoming increasingly important to protect the public security by legitimately eavesdropping suspicious wireless communications. This paper studies the wir…
Fundamental Rate Limits of Physical Layer Spoofing
Jie Xu, Lingjie Duan, Rui Zhang
This letter studies an emerging wireless communication intervention problem at the physical layer, where a legitimate spoofer aims to spoof a malicious link from Alice to Bob, by r…
Surveillance and Intervention of Infrastructure-Free Mobile Communications: A New Wireless Security Paradigm
Jie Xu, Lingjie Duan, Rui Zhang
Conventional wireless security assumes wireless communications are rightful and aims to protect them against malicious eavesdropping and jamming attacks. However, emerging infrastr…
Transmit Optimization for Symbol-Level Spoofing
Jie Xu, Lingjie Duan, Rui Zhang
With recent developments of wireless communication technologies, malicious users can use them to commit crimes or launch terror attacks, thus imposing new threats on the public sec…
Harnessing Self-Interference in Full-Duplex Relaying: An Analog Filter-and-Forward Approach
Jie Xu, Lingjie Duan, Rui Zhang
This paper studies a full-duplex filter-and-forward (FD-FF) relay system in frequency-selective channels. Conventionally, the loop-back signal at the FD relay is treated as harmful…
Green 5G Heterogeneous Networks through Dynamic Small-Cell Operation
Shijie Cai, Yueling Che, Lingjie Duan +3
Traditional macro-cell networks are experiencing an upsurge of data traffic, and small-cells are deployed to help offload the traffic from macro-cells. Given the massive deployment…
Dynamic Base Station Operation in Large-Scale Green Cellular Networks
Yueling Che, Lingjie Duan, Rui Zhang
In this paper, to minimize the on-grid energy cost in a large-scale green cellular network, we jointly design the optimal base station (BS) on/off operation policy and the on-grid…
Proactive Eavesdropping via Cognitive Jamming in Fading Channels
Jie Xu, Lingjie Duan, Rui Zhang
To enhance the national security, there is a growing need for government agencies to legitimately monitor suspicious communication links for preventing intended crimes and terror a…
Proactive Eavesdropping via Jamming for Rate Maximization over Rayleigh Fading Channels
Jie Xu, Lingjie Duan, Rui Zhang
Instead of against eavesdropping, this letter proposes a new paradigm in wireless security by studying how a legitimate monitor (e.g., government agencies) efficiently eavesdrops a…
Multi-antenna Wireless Powered Communication with Co-channel Energy and Information Transfer
Yueling Che, Jie Xu, Lingjie Duan +1
This letter studies a multi-antenna wireless powered communication (WPC) system with co-channel energy and information transfer, where a wireless device (WD), powered up by wireles…
Cooperative Local Caching under Heterogeneous File Preferences
Yinghao Guo, Lingjie Duan, Rui Zhang
Local caching is an effective scheme for leveraging the memory of the mobile terminal (MT) and short range communications to save the bandwidth usage and reduce the download delay…
Adaptively Directional Wireless Power Transfer for Large-scale Sensor Networks
Zhe Wang, Lingjie Duan, Rui Zhang
Wireless power transfer (WPT) prolongs the lifetime of wireless sensor network by providing sustainable power supply to the distributed sensor nodes (SNs) via electromagnetic waves…
Energy Group-Buying with Loading Sharing for Green Cellular Networks
Jie Xu, Lingjie Duan, Rui Zhang
In the emerging hybrid electricity market, mobile network operators (MNOs) of cellular networks can make day-ahead energy purchase commitments at low prices and real-time flexible…
Cost-Aware Green Cellular Networks with Energy and Communication Cooperation
Jie Xu, Lingjie Duan, Rui Zhang
Energy cost of cellular networks is ever-increasing to match the surge of wireless data traffic, and the saving of this cost is important to reduce the operational expenditure (OPE…
On Spatial Capacity of Wireless Ad Hoc Networks with Threshold Based Scheduling
Yue Ling Che, Rui Zhang, Yi Gong +1
This paper studies spatial capacity in a stochastic wireless ad hoc network, where multi-stage probing and data transmission are sequentially performed. We propose a novel signal-t…
Optimal Pricing and Load Sharing for Energy Saving in Communications Cooperation
Yinghao Guo, Lingjie Duan, Rui Zhang
In this paper, we propose a pricing mechanism for the uplink communication cooperation to save the energy of mobile terminals (MTs) in wireless cellular network. Under the uncertai…
Spatial Throughput Maximization of Wireless Powered Communication Networks
Yue Ling Che, Lingjie Duan, Rui Zhang
Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/informa…