3 papers
cs.IT2024
Channel Customization for Low-Complexity CSI Acquisition in Multi-RIS-Assisted MIMO Systems
Weicong Chen, Yu Han, Chao-Kai Wen +2
The deployment of multiple reconfigurable intelligent surfaces (RISs) enhances the propagation environment by improving channel quality, but it also complicates channel estimation.…
cs.IT2024
Rotatable Block-Controlled RIS: Bridging the Performance Gap to Element-Controlled Systems
Weicong Chen, Xinyi Yang, Chao-Kai Wen +5
The passive reconfigurable intelligent surface (RIS) requires numerous elements to achieve adequate array gain, which linearly increases power consumption (PC) with the number of r…
cs.IT2024
Mid-Band Extra Large-Scale MIMO System: Channel Modeling and Performance Analysis
Jiachen Tian, Yu Han, Xiao Li +2
In pursuit of enhanced quality of service and higher transmission rates, communication within the mid-band spectrum, such as bands in the 6-15 GHz range, combined with extra large-…