68 citations · 90 across the 18 of their papers we have counts for
10 papers · 1 filter
Joint Beamforming and Phase Shifts Design for RIS-Enabled RSMA-ISAC Systems
Xuejun Cheng, Qian Zhang, Yuhui Jiao +3
This paper investigates the sensing-centric design of reconfigurable intelligent surface (RIS)-enabled rate-splitting multiple access-integrated sensing and communication (RSMA-ISA…
Structured-Sparsity-Aware Joint User Activity Detection and Channel Estimation for OTFS-Based Grant-Free Random Access
Yao Ge, Yirui Luo, Yuhao Chi +4
Grant-free random access (GFRA) is a promising solution for massive machine-type communications (mMTC) in future wireless networks. However, reliable user activity detection and ch…
DRL-Based Antenna Position Optimization For MA-Assisted OTFS System Under Imperfect CSI
Maoyuan Wang, Qian Zhang, Yufei Zhao +4
In this paper, we introduce movable antenna (MA) technology into orthogonal time frequency space (OTFS) systems to enable wavelength-level antenna position optimization under imper…
Two-Stage Coded-Sliding Beam Training and QoS-Constrained Sum-Rate Maximization for SIM-Assisted Wireless Communications
Qian Zhang, Ju Liu, Yao Ge +5
Stacked intelligent metasurfaces (SIM) provide a cost-effective and scalable solution for large-scale antenna communications.However, efficient channel state information acquisitio…
Cramér-Rao Bound Minimization for Flexible Intelligent Metasurface-Enabled ISAC Systems
Qian Zhang, Yufei Zhao, Jiancheng An +4
Integrated sensing and communication (ISAC) have been widely recognized as a key enabler for future wireless networks, where the Cramér-Rao bound (CRB) plays a central role in quan…
Efficient Beamforming for Discrete SIM-Aided Multiuser Systems Under Statistical CSI
Yuhui Jiao, Qian Zhang, Xuejun Cheng +4
Stacked Intelligent Metasurfaces (SIM) have emerged as a revolutionary architecture for next-generation wireless communications, offering wave-domain signal processing capabilities…
Multi-Resolution Codebook Design and Multiuser Interference Management for Discrete XL-RIS-Aided Near-Field MIMO Systems
Qian Zhang, Zheng Dong, Yao Ge +3
Extremely large-scale reconfigurable intelligent surface (XL-RIS) can effectively overcome severe fading and provide higher communication performance. However, current research on…
Introducing Meta-Fiber into Stacked Intelligent Metasurfaces for MIMO Communications: A Low-Complexity Design with only Two Layers
Hong Niu, Jiancheng An, Tuo Wu +8
Stacked intelligent metasurfaces (SIMs), which integrate multiple programmable metasurface layers, have recently emerged as a promising technology for advanced wave-domain signal p…
Harnessing Rydberg Atomic Receivers: From Quantum Physics to Wireless Communications
Yuanbin Chen, Xufeng Guo, Chau Yuen +5
The intrinsic integration of Rydberg atomic receivers into wireless communication systems is proposed, by harnessing the principles of quantum physics in wireless communications. M…
Multi-mode OAM Convergent Transmission with Co-divergent Angle Tailored by Airy Wavefront
Yufei Zhao, Ziyang Wang, Yilong Lu +1
Wireless backhaul offers a more cost-effective, time-efficient, and reconfigurable solution than wired backhaul to connect the edge-computing cells to the core network. As the amou…