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20242026
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cs.IT2026

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…

cs.IT2026

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…

cs.IT2025

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…

cs.IT2024

Improving Connectivity of RIS-Assisted UAV Networks using RIS Partitioning and Deployment

Mohammed Saif, Shahrokh Valaee

Reconfigurable intelligent surface (RIS) is pivotal for beyond 5G networks in regards to the surge demand for reliable communication in unmanned aerial vehicle (UAV) networks. This…

cs.IT2024

Uni-polarized RIS Beamforming for Improving Connectivity of Multi-RIS-Assisted D2D Networks

Mohammed Saif, Mohammad Javad-Kalbasi, Shahrokh Valaee

This paper introduces a novel method to enhance the connectivity of multi-reconfigurable intelligent surface-assisted device-to-device networks, referred to as multi-RIS-assisted D…

cs.IT2024

Smart Helper-Aided F-RANs: Improving Delay and Reducing Fronthaul Load

Hesameddin Mokhtarzadeh, Mohammed S. Al-Abiad, Md Jahangir Hossain +1

In traditional Fog-Radio Access Networks (F-RANs), enhanced remote radio heads (eRRHs) are connected to a macro base station (MBS) through fronthaul links. Deploying a massive numb…