27 citations · 28 across the 10 of their papers we have counts for
12 papers
Analytical Channel Modeling and Stability Aware Optimization of Optical Inter Satellite Links
Hossein Safi, Ziheng Wang, Stijn Mast +2
Optical inter-satellite links (OISLs) are key enablers for high-capacity space networks and next-generation satellite constellations. However, their extreme directionality makes li…
VCSEL-Enhanced Holographic Communication for Next-Generation LiFi: State-of-the-Art, Applications, and Future Directions
Hossein Safi, Iman Tavakkolnia, Harald Haas
Light Fidelity (LiFi) has emerged as a promising wireless technology that exploits the vast unlicensed optical spectrum to complement radio frequency networks. Recent advances in l…
Q-Learning for 3D Coverage in VCSEL-based Optical Wireless Systems
Hossein Safi, Rizwana Ahmad, Iman Tavakkolnia +1
Beam divergence control is a key factor in maintaining reliable coverage in indoor optical wireless communication (OWC) systems as receiver height varies.Conventional systems emplo…
Ethernet-over-OWC Using VCSELs: Transparent Gigabit Links with Low Latency and Robust Alignment Tolerance
Hossein Safi, Isaac N. O. Osahon, Iman Tavakkolnia +1
We demonstrate a fully bidirectional 1 Gbs Ethernet over OWC link over a 1m free space path using a VCSEL-PIN pair and only commercially available components. The unamplified, tran…
Modulating Retroreflectors for CubeSat Optical Inter Satellite Links: Modeling, Optimization, and Benchmarking
Makafui Avevor, Hossein Safi, Harald Haas +1
Modulating retroreflectors (MRRs) offer a promising pathway to low-complexity and energy efficient asymmetric optical inter-satellite link (OISL) for small spacecrafts, such as Cub…
MRR-Based Line-Laser Scanning for Reliable Vehicular Positioning and Optical Communication
Mohammad Taghi Dabiri, Hossein Safi, Rula Ammuri +4
High-speed vehicular environments require optical systems capable of joint sensing, positioning, and communication (JSPC) without mechanical tracking. Existing optical and integrat…
Picosecond Wireless Synchronization with Entangled Photons via Grid-Based Quantum Coverage in Indoor Optical Systems
Hossein Safi, Mohammad Taghi Dabiri, Mazen Hasna +2
In this paper, we present a robust entanglement-assisted synchronization framework for indoor optical wireless systems that explicitly captures the coupling between spatial beam ge…
Energy-Efficient Precoding for Dense VCSEL-Based OWC Systems Under a Cooperative Broadcast Model
Hossein Safi, Asim Ihsan, Hossien B. Eldeeb +3
As 6G and beyond aim for sustainable, high-capacity wireless connectivity, optical wireless communication (OWC) has emerged as a compelling solution.Recent advances in vertical-cav…
Efficient Service Differentiation and Energy Management in Hybrid WiFi/LiFi Networks
Asim Ihsan, Muhammad Asif, Hossein Safi +2
In this paper, we propose an innovative predict-and-optimize algorithm designed for hybrid WiFi/LiFi networks, aiming to achieve service differentiation while maximizing energy eff…
Optical Wireless Communications: Enabling the Next Generation Network of Networks
Aravindh Krishnamoorthy, Hossein Safi, Othman Younus +20
Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks, especially as a complementary technology t…
AI-Native Multi-Access Future Networks -- The REASON Architecture
Konstantinos Katsaros, Ioannis Mavromatis, Kostantinos Antonakoglou +13
The development of the sixth generation of communication networks (6G) has been gaining momentum over the past years, with a target of being introduced by 2030. Several initiatives…
CubeSat-Enabled Free-Space Optics: Joint Data Communication and Fine Beam Tracking
Hossein Safi, Mohammad Taghi Dabiri, Julian Cheng +2
The integration of CubeSats with Free Space Optical (FSO) links accelerates a major advancement in high-throughput, low-Earth orbit communication systems. However, CubeSats face ch…