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Ultra-Low-Cost Hybrid Beamforming: A New Static-Connection Architecture with Sparse Phase-Shifter Sharing
Honghao Wang, Qingqing Wu, Yifei Wu +3
Hybrid beamforming is a promising solution for high-frequency multi-antenna wireless systems, but its implementation is constrained by the cost and complexity of analog phase-shift…
Engineering Favorable Propagation: Near-Field IRS Deployment for Spatial Multiplexing
Qingqing Wu, Yuxuan Chen, Guangji Chen +2
In intelligent reflecting surface IRS assisted multiple input multiple output MIMO systems, a strong line of sight LoS link is required to compensate for the severe cascaded path l…
Joint Transmit and Receive Antenna Orientation Design for Secure MIMO Communications
Ailing Zheng, Qingqing Wu, Xingxiang Peng +4
Physical layer security (PLS) is a promising paradigm for safeguarding 6G wireless networks by exploiting the inherent characteristics of wireless channels. However, the efficiency…
Joint Antenna Rotation and IRS Beamforming for Multi-User Uplink Communications
Guoying Zhang, Qingqing Wu, Ziyuan Zheng +4
Rotatable antenna (RA) enhances wireless coverage through directional gain steering, yet suffers from performance degradation under physical blockages. Intelligent reflecting surfa…
Wireless Communication with Cross-Linked Rotatable Antenna Array: Architecture Design and Rotation Optimization
Ailing Zheng, Qingqing Wu, Ziyuan Zheng +5
Rotatable antenna (RA) technology can harness additional spatial degrees of freedom by enabling the dynamic three-dimensional orientation control of each antenna. Unfortunately, th…
Joint Optimization for Multi-User Transmissive RIS-MIMO Systems
Zhengwei Jiang, Yufeng Zhou, Xusheng Zhu +3
Transmissive reconfigurable intelligent surfaces (RIS) represent a transformative architecture for future wireless networks, enabling a paradigm shift from traditional costly base…