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How Many Bits Are Required for RIS Designs Without Far-Field Quantization Lobe?
Ruiqi Wang, Yiming Yang, Atif Shamim
Reconfigurable Intelligent Surface (RIS) designs with 1-bit phase resolution often suffer from strong quantization lobes in the far field, which significantly degrade wireless comm…
A 100 GHz Wideband Reconfigurable Intelligent Surface Based on Orthogonal Polarization and Sub-Array Partitioning Concepts
Ruiqi Wang, Behrooz Makki, Atif Shamim
The sub-terahertz frequency band offers extremely large bandwidth and enables ultra-high data rates for future wireless applications. However, severe propagation loss and blockage…
A Wideband Reconfigurable Intelligent Surface for 5G Millimeter-Wave Applications
Ruiqi Wang, Yiming Yang, Behrooz Makki +1
Despite the growing interest in reconfigurable intelligent surfaces (RISs) for millimeter-wave (mm-wave) bands, and the considerable theoretical work reported by the communication…
A Via-less Fully Screen-Printed Reconfigurable Intelligent Surface for 5G Millimeter Wave Communication
Yiming Yang, Ruiqi Wang, Mohammad Vaseem +2
In this paper, we propose a via-less fully screen-printed reconfigurable intelligent surface which can establish a second line-of-sight communication from 23.5GHz to 29.5GHz. By se…