no code implementations • 30 Apr 2024 • Yiming Yang, Mohammad Vaseem, Ruiqi Wang, Behrooz Makki, Atif Shamim
The RIS array comprises 20x20 unit cells (4. 54x4. 54{\lambda}^2 at 29. 5 GHz).
no code implementations • 17 Nov 2023 • Pinjun Zheng, Ruiqi Wang, Atif Shamim, Tareq Y. Al-Naffouri
This paper investigates the mutual coupling in reconfigurable intelligent surface (RIS)-aided communication.
no code implementations • 23 Apr 2023 • Ruiqi Wang, Yiming Yang, Behrooz Makki, Atif Shamim
The measurement results demonstrate that the proposed RIS could maintain a 3 dB peak gain variation bandwidth among various array configurations within 22. 5 to 29. 5 GHz (26. 9%) and with a beam scanning capability of 50{\deg}, making this design a good candidate for 5G mm-wave applications.
no code implementations • 7 Feb 2023 • Yiming Yang, Ruiqi Wang, Mohammad Vaseem, Behrooz Makki, Atif Shamim
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.