activity
20202024
most citedThe Digital Divide in Canada and the Role of LEO Satellites in Bridging the Gap

8 citations · 19 across the 14 of their papers we have counts for

collaborators

15 papers

cs.NI2024★ 1 cited

On-Demand Routing in LEO Mega-Constellations with Dynamic Laser Inter-Satellite Links

Dhiraj Bhattacharjee, Pablo G. Madoery, Aizaz U. Chaudhry +5

Low Earth orbit (LEO) satellite mega constellations are beginning to include laser inter-satellite links (LISLs) to extend the Internet to the most remote locations on Earth. Since…

eess.SP2023

Latency versus Transmission Power Trade-off in Free-Space Optical (FSO) Satellite Networks with Multiple Inter-Continental Connections

Jintao Liang, Aizaz Chaudhry, John Chinneck +5

In free-space optical satellite networks (FSOSNs), satellites connected via laser inter-satellite links (LISLs), latency is a critical factor, especially for long-distance inter-co…

eess.SP2023★ 1 cited

Free-Space Optical (FSO) Satellite Networks Performance Analysis: Transmission Power, Latency, and Outage Probability

Jintao Liang, Aizaz U. Chaudhry, Eylem Erdogan +5

In free-space optical satellite networks (FSOSNs), satellites can have different laser inter-satellite link (LISL) ranges for connectivity. Greater LISL ranges can reduce network l…

cs.NI2023

Laser Inter-Satellite Link Setup Delay: Quantification, Impact, and Tolerable Value

Dhiraj Bhattacharjee, Aizaz U. Chaudhry, Halim Yanikomeroglu +2

Dynamic laser inter-satellite links (LISLs) provide the flexibility of connecting a pair of satellites as required (dynamically) while static LISLs need to be active continuously b…

cs.NI2022★ 5 cited

Future Space Networks: Toward the Next Giant Leap for Humankind

Mohammed Y. Abdelsadek, Aizaz U. Chaudhry, Tasneem Darwish +5

Due to the unprecedented advances in satellite fabrication and deployment, innovative communications and networking technologies, ambitious space projects and programs, and the res…

eess.SP2022★ 1 cited

Temporary Laser Inter-Satellite Links in Free-Space Optical Satellite Networks

Aizaz U. Chaudhry, Halim Yanikomeroglu

Laser inter-satellite links (LISLs) between satellites in a free-space optical satellite network (FSOSN) can be divided into two classes: permanent LISLs (PLs) and temporary LISLs…

eess.SP2022★ 1 cited

On Crossover Distance for Optical Wireless Satellite Networks and Optical Fiber Terrestrial Networks

Aizaz U. Chaudhry, Halim Yanikomeroglu

Optical wireless satellite networks (OWSNs) can provide lower latency data communications compared to optical fiber terrestrial networks (OFTNs). The crossover function enables to…

eess.SP2022

Link Budget Analysis for Free-Space Optical Satellite Networks

Jintao Liang, Aizaz U. Chaudhry, Eylem Erdogan +1

Free-space optical satellite networks (FSOSNs) will employ free-space optical links between satellites and between satellites and ground stations, and the link budget for optical i…

eess.SP2022★ 8 cited

The Digital Divide in Canada and the Role of LEO Satellites in Bridging the Gap

Tuheen Ahmmed, Afsoon Alidadi, Zichao Zhang +2

Overcoming the digital divide in rural and remote areas has always been a big challenge for Canada with its huge geographical area. In 2016, the Canadian Radio-television and Telec…

eess.SP2022

When to Crossover from Earth to Space for Lower Latency Data Communications?

Aizaz U. Chaudhry, Halim Yanikomeroglu

For data communications over long distances, optical wireless satellite networks (OWSNs) can offer lower latency than optical fiber terrestrial networks (OFTNs). However, when is i…

astro-ph.EP2021★ 2 cited

Phasing Parameter Analysis for Satellite Collision Avoidance in Starlink and Kuiper Constellations

Jintao Liang, Aizaz U. Chaudhry, Halim Yanikomeroglu

The phasing parameter F determines the relative phasing between satellites in different orbital planes and thereby affects the relative position of the satellites in a constellatio…

eess.SP2021

Optical Wireless Satellite Networks versus Optical Fiber Terrestrial Networks: The Latency Perspective

Aizaz U. Chaudhry, Halim Yanikomeroglu

Formed by using laser inter-satellite links (LISLs) among satellites in upcoming low Earth orbit and very low Earth orbit satellite constellations, optical wireless satellite netwo…

eess.SP2021

Laser Inter-Satellite Links in a Starlink Constellation

Aizaz U. Chaudhry, Halim Yanikomeroglu

Laser inter-satellite links (LISLs) are envisioned between satellites in upcoming satellite constellations, such as Phase I of SpaceX's Starlink. Within a constellation, satellites…

cs.NI2021

A Fast Heuristic for Gateway Location in Wireless Backhaul of 5G Ultra-Dense Networks

Mital Raithatha, Aizaz U. Chaudhry, Roshdy H. M. Hafez +1

In 5G Ultra-Dense Networks, a distributed wireless backhaul is an attractive solution for forwarding traffic to the core. The macro-cell coverage area is divided into many small ce…

eess.SP2020

Free Space Optics for Next-Generation Satellite Networks

Aizaz U. Chaudhry, Halim Yanikomeroglu

Free space optics (FSO) refers to optical wireless communications in outdoor environments. The aim of this paper is to analyze the role that FSO is envisaged to play in the creatio…