2 papers
eess.SP2024
A Tunable Reflection Surface with Independently Variable Phase and Slope
Omran Abbas, Anas Chaaban, Loic Markley
A reconfigurable intelligent surface (RIS) is an essential component in the architecture of the next generation of wireless communication systems. An RIS is deployed to provide a c…
cs.IT2023
Unit Cell Phase-Frequency Profile Optimization in RIS-Assisted Wide-Band OFDM Systems
Omran Abbas, Qurrat-Ul-Ain Nadeem, Loïc Markley +1
The reflection characteristics of a reconfigurable intelligent surface (RIS) depend on the phase response of the constituent unit cells, which is necessarily frequency dependent. T…