80 citations · 181 across the 17 of their papers we have counts for
17 papers
Rotatable Antenna Enabled Covert Communication
Qi Dai, Beixiong Zheng, Yanhua Tan +4
Unlike conventional fixed-antenna architectures, rotatable antenna (RA) has shown great potential in enhancing wireless communication performance by exploiting additional spatial d…
Physical-Layer Security in Mixed Near-Field and Far-Field Communication Systems
Tianyu Liu, Changsheng You, Cong Zhou +4
Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to improve the spectrum efficiency and spatial resolution of future wireless systems. Different from…
Bayesian Sensing for Time-Varying Channels in ISAC Systems
Xueyang Wang, Kai Wu, J. Andrew Zhang +2
Future mobile networks are projected to support integrated sensing and communications in high-speed communication scenarios. Nevertheless, large Doppler shifts induced by time-vary…
Multi-Carrier Faster-Than-Nyquist Signaling for OTFS Systems
Xueyang Wang, Shiqi Gong, Wenqian Shen +2
Orthogonal time frequency space (OTFS) modulation technique is promising for high-mobility applications to achieve reliable communications. However, the capacity of OTFS systems is…
Frequency Diverse Array-enabled RIS-aided Integrated Sensing and Communication
Hanyu Yang, Shiqi Gong, Heng Liu +3
Integrated sensing and communication (ISAC) has been envisioned as a prospective technology to enable ubiquitous sensing and communications in next-generation wireless networks. In…
Channel Estimation for XL-IRS Assisted Wireless Systems with Double-sided Visibility Regions
Chao Zhou, Changsheng You, Shiqi Gong +3
In this paper, we study efficient channel estimation design for an extremely large-scale intelligent reflecting surface (XL-IRS) assisted multi-user communication systems, where bo…
Massive MIMO-OTFS-Based Random Access for Cooperative LEO Satellite Constellations
Boxiao Shen, Yongpeng Wu, Shiqi Gong +3
This paper investigates joint device identification, channel estimation, and symbol detection for cooperative multi-satellite-enhanced random access, where orthogonal time-frequenc…
Robust Beamforming Design and Antenna Selection for Dynamic HRIS-aided MISO System
Jintao Wang, Binggui Zhou, Chengzhi Ma +3
In this paper, we propose a dynamic hybrid active-passive reconfigurable intelligent surface (HRIS) to enhance multiple-input-single-output (MISO) communications, leveraging the pr…
Joint Beamforming Optimization and Mode Selection for RDARS-Aided MIMO Systems
Jintao Wang, Chengzhi Ma, Shiqi Gong +2
Reconfigurable intelligent surface (RIS) has emerged as a cost-effective solution for green communications in 6G. However, its further extensive use has been greatly limited due to…
A Framework on Complex Matrix Derivatives with Special Structure Constraints for Wireless Systems
Xin Ju, Shiqi Gong, Nan Zhao +3
Matrix-variate optimization plays a central role in advanced wireless system designs. In this paper, we aim to explore optimal solutions of matrix variables under two special struc…
Dual-Functional MIMO Beamforming Optimization for RIS-Aided Integrated Sensing and Communication
Xin Zhao, Heng Liu, Shiqi Gong +3
Aiming at providing wireless communication systems with environment-perceptive capacity, emerging integrated sensing and communication (ISAC) technologies face multiple difficultie…
Double-RIS Aided Multi-user MIMO Communications: Common Reflection Pattern and Joint Beamforming Design
Pingping Zhang, Shiqi Gong, Shaodan Ma
Reconfigurable intelligent surface (RIS) has entered the public consciousness as a promising technology for enhancing the performance of future wireless communication systems by dy…
RIS-Aided MIMO Systems with Hardware Impairments: Robust Beamforming Design and Analysis
Jintao Wang, Shiqi Gong, Qingqing Wu +1
Reconfigurable intelligent surface (RIS) has been anticipated to be a novel cost-effective technology to improve the performance of future wireless systems. In this paper, we inves…
Majorization-Minimization Aided Hybrid Transceivers for MIMO Interference Channels
Shiqi Gong, Chengwen Xing, Vincent K. N. Lau +2
The potential of deploying large-scale antenna arrays in future wireless systems has stimulated extensive research on hybrid transceiver designs aiming to approximate the optimal f…
Multi-Antenna Aided Secrecy Beamforming Optimization for Wirelessly Powered HetNets
Shiqi Gong, Shaodan Ma, Chengwen Xing +2
The new paradigm of wirelessly powered two-tier heterogeneous networks (HetNets) is considered in this paper. Specifically, the femtocell base station (FBS) is powered by a power b…
Optimal Beamforming and Time Allocation for Partially Wireless Powered Sensor Networks with Downlink SWIPT
Shiqi Gong, Shaodan Ma, Chengwen Xing +1
Wireless powered sensor networks (WPSNs) have emerged as a key development towards the future self-sustainable Internet of Things (IoT) networks. To achieve a good balance between…
Polarization Sensitive Array Based Physical-Layer Security
Shiqi Gong, Chengwen Xing, Sheng Chen +1
We propose a comprehensive framework exploiting the polarization sensitive array (PLA) to improve the physical layer security of wireless communications. More specifically, the pol…