4 papers
Maximizing Connectivity of Uplink RIS-Assisted UAV Networks
Mohammed Saif, Shahrokh Valaee
In this paper, we present a new approach for unmanned aerial vehicle (UAV) positioning and reconfigurable intelligent surface (RIS) partitioning to enhance connectivity of uplink R…
Joint Movable Antenna Positioning and RIS Partitioning for Sum-Rate Maximization
Mohammed Saif
This paper investigates the utility of the movable antenna (MA) and reconfigurable intelligent surface (RIS) framework for downlink wireless communications. In the considered scena…
RIS Partitioning and User Clustering for Resilient Non-Orthogonal Multiple Access UAV Networks
Mohammed Saif, Shahrokh Valaee
The integration of reconfigurable intelligent surfaces (RISs) and unmanned aerial vehicles (UAVs) has emerged as a promising solution for enhancing connectivity in future wireless…
Optimizing Smart Helper Placement for Enhanced Cache Efficiency in F-RANs
Hesameddin Mokhtarzadeh, Mohammed Saif, Md. Jahangir Hossain +1
Smart helpers (SHs) have been proposed to improve content delivery delays and alleviate high fronthaul loads in fog radio access networks (F-RANs). They offer an alternative to dep…