29 citations · 192 across the 49 of their papers we have counts for
19 papers · 1 filter
Modulating Intelligent Surfaces for Multi-User MIMO Systems: Beamforming and Modulation Design
Haseeb Ur Rehman, Faouzi Bellili, Amine Mezghani +1
This paper introduces a novel approach of utilizing the reconfigurable intelligent surface (RIS) for joint data modulation and signal beamforming in a multi-user downlink cellular…
Stochastic Geometry Analysis of IRS-Assisted Downlink Cellular Networks
Taniya Shafique, Hina Tabassum, Ekram Hossain
Using stochastic geometry tools, we develop a comprehensive framework to analyze the downlink coverage probability, ergodic capacity, and energy efficiency (EE) of various types of…
Random Access Based on Maximum Average Distance Code for Massive MTC in Cellular IoT Networks
Carlos A. Astudillo, Ekram Hossain, Nelson L. S. da Fonseca
Code-expanded Random Access (CeRA) is a promising technique for supporting mMTC in cellular IoT networks. However, its potentiality is limited by code ambiguity, which results from…
Self-Organizing mmWave MIMO Cell-Free Networks With Hybrid Beamforming: A Hierarchical DRL-Based Design
Yasser Al-Eryani, Ekram Hossain
In a cell-free wireless network, distributed access points (APs) jointly serve all user equipments (UEs) within the their coverage area by using the same time/frequency resources.…
Ambient Backscatter-Assisted Wireless-Powered Relaying
Xiao Lu, Dusit Niyato, Hai Jiang +2
Internet-of-Things (IoT) is featured with low-power communications among a massive number of ubiquitously-deployed and energy-constrained electronics, e.g., sensors and actuators.…
Joint Active and Passive Beamforming Design for IRS-Assisted Multi-User MIMO Systems: A VAMP-Based Approach
Haseeb Ur Rehman, Faouzi Bellili, Amine Mezghani +1
This paper tackles the problem of joint active and passive beamforming optimization for an intelligent reflective surface (IRS)-assisted multi-user downlink multiple-input multiple…