600 citations · 979 across the 39 of their papers we have counts for
27 papers · 1 filter
Handover-Aware Trajectory Optimization for Cellular-Connected UAV
Xiangming Du, Shuowen Zhang, Francis C. -M. Lau
In this letter, we study a cellular-connected unmanned aerial vehicle (UAV) which aims to complete a mission of flying between two pre-determined locations while maintaining satisf…
Secure Integrated Sensing and Communication Exploiting Target Location Distribution
Kaiyue Hou, Shuowen Zhang
In this paper, we study a secure integrated sensing and communication (ISAC) system where one multi-antenna base station (BS) simultaneously serves a downlink communication user an…
MIMO Radar Transmit Signal Optimization for Target Localization Exploiting Prior Information
Chan Xu, Shuowen Zhang
In this paper, we consider a multiple-input multiple-output (MIMO) radar system for localizing a target based on its reflected echo signals. Specifically, we aim to estimate the ra…
Trajectory Optimization of Cellular-Connected UAV for Information Collection and Transmission
Xianzhen Guo, Shuowen Zhang, Liang Liu
In this paper, we consider a cellular-connected unmanned aerial vehicle (UAV) with an information collection and transmission mission for multiple ground targets. Specifically, the…
Evolution of NOMA Toward Next Generation Multiple Access (NGMA) for 6G
Yuanwei Liu, Shuowen Zhang, Xidong Mu +5
Due to the explosive growth in the number of wireless devices and diverse wireless services, such as virtual/augmented reality and Internet-of-Everything, next generation wireless…
Massive MIMO Communication with Intelligent Reflecting Surface
Zhaorui Wang, Liang Liu, Shuowen Zhang +1
This paper studies the feasibility of deploying intelligent reflecting surfaces (IRSs) in massive MIMO (multiple-input multiple-output) systems to improve the performance of users…
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…
On Massive IoT Connectivity with Temporally-Correlated User Activity
Qipeng Wang, Liang Liu, Shuowen Zhang +1
This paper considers joint device activity detection and channel estimation in Internet of Things (IoT) networks, where a large number of IoT devices exist but merely a random subs…
Intelligent Reflecting Surface Aided Multi-User Communication: Capacity Region and Deployment Strategy
Shuowen Zhang, Rui Zhang
Intelligent reflecting surface (IRS) is a new promising technology that is able to reconfigure the wireless propagation channel via smart and passive signal reflection. In this pap…
Intelligent Reflecting Surface Aided Wireless Communications: A Tutorial
Qingqing Wu, Shuowen Zhang, Beixiong Zheng +2
Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal prorogation in wireless networks. By smartly tuning the signal reflection via a large nu…
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…
Intelligent Reflecting Surface Aided Multiple Access: Capacity Region and Deployment Strategy
Shuowen Zhang, Rui Zhang
Intelligent reflecting surface (IRS) is a new promising technology that is able to manipulate the wireless propagation channel via smart and controllable signal reflection. In this…
IRS-Enhanced OFDMA: Joint Resource Allocation and Passive Beamforming Optimization
Yifei Yang, Shuowen Zhang, Rui Zhang
Intelligent reflecting surface (IRS) is an emerging technique to enhance the wireless communication spectral efficiency with low hardware and energy cost. In this letter, we consid…
Radio Map Based 3D Path Planning for Cellular-Connected UAV
Shuowen Zhang, Rui Zhang
In this paper, we study the three-dimensional (3D) path planning for a cellular-connected unmanned aerial vehicle (UAV) to minimize its flying distance from given initial to final…
Capacity Characterization for Intelligent Reflecting Surface Aided MIMO Communication
Shuowen Zhang, Rui Zhang
Intelligent reflecting surface (IRS) is a promising solution to enhance the wireless communication capacity both cost-effectively and energy-efficiently, by properly altering the s…
Intelligent Reflecting Surface Meets OFDM: Protocol Design and Rate Maximization
Yifei Yang, Beixiong Zheng, Shuowen Zhang +1
Intelligent reflecting surface (IRS) is a promising new technology for achieving both spectrum and energy efficient wireless communication systems in the future. However, existing…
Radio Map Based Path Planning for Cellular-Connected UAV
Shuowen Zhang, Rui Zhang
In this paper, we study the path planning for a cellular-connected unmanned aerial vehicle (UAV) to minimize its flying distance from given initial to final locations, while ensuri…
Trajectory Design for Cellular-Connected UAV Under Outage Duration Constraint
Shuowen Zhang, Rui Zhang
In this paper, we study the trajectory design for a cellular-connected unmanned aerial vehicle (UAV) with given initial and final locations, while communicating with the ground bas…
Exploiting NOMA for Multi-Beam UAV Communication in Cellular Uplink
Liang Liu, Shuowen Zhang, Rui Zhang
Unmanned aerial vehicles (UAVs) are expected to be an important new class of users in the fifth generation (5G) and beyond 5G cellular networks. In particular, there are emerging U…
Multi-Beam UAV Communication in Cellular Uplink: Cooperative Interference Cancellation and Sum-Rate Maximization
Liang Liu, Shuowen Zhang, Rui Zhang
Integrating unmanned aerial vehicles (UAVs) into the cellular network as new aerial users is a promising solution to meet their ever-increasing communication demands in a plethora…
Cellular-Enabled UAV Communication: A Connectivity-Constrained Trajectory Optimization Perspective
Shuowen Zhang, Yong Zeng, Rui Zhang
Integrating the unmanned aerial vehicles (UAVs) into the cellular network is envisioned to be a promising technology to significantly enhance the communication performance of both…
CoMP in the Sky: UAV Placement and Movement Optimization for Multi-User Communications
Liang Liu, Shuowen Zhang, Rui Zhang
Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the s…
Joint Altitude and Beamwidth Optimization for UAV-Enabled Multiuser Communications
Haiyun He, Shuowen Zhang, Yong Zeng +1
In this letter, we study multiuser communication systems enabled by an unmanned aerial vehicle (UAV) that is equipped with a directional antenna of adjustable beamwidth. We propose…
Cellular-Enabled UAV Communication: Trajectory Optimization Under Connectivity Constraint
Shuowen Zhang, Yong Zeng, Rui Zhang
In this paper, we study a cellular-enabled unmanned aerial vehicle (UAV) communication system consisting of one UAV and multiple ground base stations (GBSs). The UAV has a mission…