activity
20162021
most citedAnalytical Channel Model and Link Design Optimization for Ground-to-HAP Free-Space Optical Communication Networks

131 citations · 150 across the 3 of their papers we have counts for

collaborators

5 papers

cs.IT2021

Beam Tracking for UAV-Assisted FSO Links With a Four-Quadrant Detector

Hossein Safi, Akbar Dargahi, Julian Cheng

A ground-to-air free-space optical link is studied for a hovering unmanned aerial vehicle (UAV) having multiple rotors. For this UAV, a four-quadrant array of photodetectors is use…

eess.SP2021

Statistical Channel Modeling for Long-Range Ground-to-Air FSO Links

Hossein Safi, Akbar Dargahi

To provide high data rate aerial links for 5G and beyond wireless networks, the integration of free-space optical (FSO) communications and aerial platforms has been recently sugges…

eess.SP2020★ 131 cited

Analytical Channel Model and Link Design Optimization for Ground-to-HAP Free-Space Optical Communication Networks

Hossein Safi, Akbar Dargahi, Julian Cheng +1

Integrating high altitude platforms (HAPs) and free-space optical (FSO) communications is a promising solution to establish high data rate aerial links for the next-generation wire…

eess.SP2019★ 19 cited

Spatial Beam Tracking and Data Detection for an FSO Link to a UAV in the Presence of Hovering Fluctuations

Hossein Safi, Akbar Dargahi, Julian Cheng

Recent advances in small-scale unmanned aerial vehicles (UAVs) have opened up new horizons for establishing UAV-based free-space optical (FSO) links. However, FSO technology requir…

cs.IT2016

Designing A Dimmable OPPM-Based VLC System Under Channel Constraints

Ata Chizari, Mohammad Vahid Jamali, Jawad A. Salehi +1

In this paper, we design a dimming compatible visible light communication (VLC) system in a standard office room according to illumination standards under channel constraints. We u…