Author

Ahmed M. Abd El-Haleem

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Open access Oct 2026

PPO-based QoS-aware resource management for multi-class URLLC and eMBB slices in NR/NR-U HetNets

Exploiting new radio (NR) and NR-unlicensed (NR-U) technologies within a multi-RAT heterogeneous network can leverage traffic congestion and enhance overall capacity. thus, an optimization problem is introduced and formulated to maximize users’ quality of service (QoS) satisfaction by maximizing data rates while satisf...

Noha A. Elmosilhy, Mahmoud M. Elmesalawy, Ahmed M. Abd El-Haleem et al. · Scientific Reports · 0 citations

Open access Jul 2026

Interference-aware optimization of three-tier RIS-enhanced hierarchical aerial computing: integrating terrestrial base stations for persistent 6G IoT coverage

This paper proposes a novel three-tier RIS-enhanced hierarchical aerial computing architecture that integrates a grid-powered reconfigurable intelligent surface–equipped base station (BS-RIS) alongside four RIS-equipped UAVs and a stratospheric HAP to provide persistent, interference-managed 6G IoT coverage.

Basma Diaa, Ibrahim I. Ibrahim, Ahmed M. Abd El-Haleem et al. · Scientific Reports · 0 citations