3 papers
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…
cs.IT2023
Holographic MIMO: How Many Antennas Do We Need for Energy Efficient Transmission?
Sarah Bahanshal, Qurrat-Ul-Ain Nadeem, Md. Jahangir Hossain
Holographic multiple-input multiple-output (HMIMO) communication systems utilize spatially-constrained massive MIMO arrays containing large numbers of antennas with sub-wavelength…
cs.IT2023
Performance Analysis of Zero-Forcing Precoding in Multi-Cell One-Bit Massive MIMO Downlink
Qurrat-Ul-Ain Nadeem, Anas Chaaban
This work investigates the downlink performance of a multi-cell massive multiple-input multiple-output (MIMO) system that employs one-bit analog-to-digital converters (ADCs) and di…