11 papers · 1 filter
Learning-Free Hierarchical Joint Estimation of AoA, Pointing Error, Receiver Jitter, and Turbulence in Multi-Aperture FSO Systems
Mahtab Dashtebozorgi, Meysam Ghanbari, Rula Ammuri +2
This paper proposes a learning free hierarchical estimator for jointly recovering the angle of arrival (AoA), transmitter pointing error, receiver induced jitter, and per aperture…
OHL-Assisted All-Optical Regenerative Relaying for Pointing-Impaired M-PAM Inter-Satellite Links
Meysam Ghanbari, Mohammad Taghi Dabiri, Zain Ali +4
Rapid inter-satellite traffic growth in LEO constellations demands spectrally efficient, low-latency optical relaying. While amplify and forward (AF) relays are latency-efficient,…
QoS- and Physics-Aware Routing in Optical LEO Satellite Networks via Deep Reinforcement Learning
Mohammad Taghi Dabiri, Rula Ammuri, Mazen Hasna +1
Optical inter-satellite links (ISLs) are becoming the principal communication backbone in modern large-scale LEO constellations, offering multi-Gb/s capacity and near speed-of-ligh…
Towards City-Scale Quantum Timing: Wireless Synchronization via Quantum Hubs
Mohammad Taghi Dabiri, Mazen Hasna, Rula Ammuri +2
This paper presents a novel wireless quantum synchronization framework tailored for city-scale deployment using entangled photon pairs and passive corner cube retroreflector (CCR)…
Balancing Decentralized Trust and Physical Evidence: A Blockchain-Physical Layer Co-Design for Real-Time 3D Prioritization in Disaster Zones
Mohammad Taghi Dabiri, Mazen Hasna, Aiman Erbad +2
During disaster response, making rapid and well-informed decisions about which areas require immediate attention can save lives. However, current coordination models often struggle…
CV Quantum Communications with Angular Rejection Filtering: Modeling and Security Analysis
Mohammad Taghi Dabiri, Meysam Ghanbari, Rula Ammuri +3
Continuous-variable quantum key distribution (CVQKD) over free-space optical links is a promising approach for secure communication, but its performance is limited by turbulence, p…