328 citations · 606 across the 18 of their papers we have counts for
15 papers · 1 filter
Where to Perform Channel Measurements for CKM Construction: A Random Field Theory Analysis
Yuxuan Song, Yong Zeng, Xiping Wu +3
Channel knowledge map (CKM) is regarded as a promising technology for future sixth-generation (6G) networks, facilitating environmental-aware wireless communication, sensing, and l…
Antenna Orientation Optimization for Rotatable Antenna-Enabled ISAC Systems
Qingjie Wu, Beixiong Zheng, Guangchi Zhang +1
Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. In thi…
Sensing-Assisted Secure Communication in MA-Aided ISAC: CRB Analysis and Robust Design
Yaxuan Chen, Guangchi Zhang, Miao Cui +3
A core challenge in physical-layer security is the difficulty of obtaining the channel state information (CSI) of potential eavesdroppers. The inherent sensing functionality of int…
DUGC-VRNet: Joint VR Recognition and Channel Estimation for Spatially Non-Stationary XL-MIMO
Jinhao Nie, Guangchi Zhang, Miao Cui +2
In this letter, we address spatially non-stationary near-field channel estimation for extremely large-scale multiple-input multiple-output (XL-MIMO) systems with a hybrid combining…
Enhancing User Fairness in Two-Layer RSMA: A Movable Antenna Approach
Ji Luo, Yaxuan Chen, Guangchi Zhang +3
Enhancing user fairness in advanced multi-user systems like two-layer rate-splitting multiple access (RSMA) is a critical yet challenging task. This letter proposes a novel movable…
Energy-Efficient UAV-Enabled MEC Systems: NOMA, FDMA, or TDMA Offloading?
Qingjie Wu, Miao Cui, Guangchi Zhang +3
Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still u…
Near-Field Codebook-Based 3D Spherical Channel Estimation for UCA XL-MIMO Systems
Chenliang Yang, Guangchi Zhang, Miao Cui +2
Extremely large-scale multiple input multiple output (XL-MIMO), a key technology for 6G communications, faces challenges in near-field channel estimation due to spherical wavefront…
Beamforming Optimization for Active Intelligent Reflecting Surface-Aided SWIPT
Ying Gao, Qingqing Wu, Guangchi Zhang +3
In this paper, we study an active IRS-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, an active IRS is deployed to assist a multi-antenna a…
Throughput Maximization for IRS-Assisted Wireless Powered Hybrid NOMA and TDMA
Dingcai Zhang, Qingqing Wu, Miao Cui +2
The high reflect beamforming gain of the intelligent reflecting surface (IRS) makes it appealing not only for wireless information transmission but also for wireless power transfer…
Generalized Wireless-Powered Communications: When to Activate Wireless Power Transfer?
Qingqing Wu, Guangchi Zhang, Derrick Wing Kwan Ng +2
Wireless-powered communication network (WPCN) is a key technology to power energy-limited massive devices, such as on-board wireless sensors in autonomous vehicles, for Internet-of…
Secure Wireless Communication via Intelligent Reflecting Surface
Miao Cui, Guangchi Zhang, Rui Zhang
An intelligent reflecting surface (IRS) can adaptively adjust the phase shifts of its reflecting units to strengthen the desired signal and/or suppress the undesired signal. In thi…
Robust Trajectory and Transmit Power Design for Secure UAV Communications
Miao Cui, Guangchi Zhang, Qingqing Wu +1
Unmanned aerial vehicles (UAVs) are anticipated to be widely deployed in future wireless communications, due to their advantages of high mobility and easy deployment. However, the…
Securing UAV Communications via Joint Trajectory and Power Control
Guangchi Zhang, Qingqing Wu, Miao Cui +1
Unmanned aerial vehicle (UAV) communication is anticipated to be widely applied in the forthcoming fifth-generation (5G) wireless networks, due to its many advantages such as low c…
Securing UAV Communications Via Trajectory Optimization
Guangchi Zhang, Qingqing Wu, Miao Cui +1
Unmanned aerial vehicle (UAV) communications has drawn significant interest recently due to many advantages such as low cost, high mobility, and on-demand deployment. This paper ad…
Wireless Powered Cooperative Jamming for Secure OFDM System
Guangchi Zhang, Jie Xu, Qingqing Wu +3
This paper studies the secrecy communication in an orthogonal frequency division multiplexing (OFDM) system, where a source sends confidential information to a destination in the p…