Advancing Free-Space Optical Communication System Architecture: Performance Analysis of Varied Optical Ground Station Network Configurations

This study discusses the current state of FSO technology, as well as global trends and developments in the industrial ecosystem to identify obstacles to the full realization of optical space-to-ground communication networks. Additionally, link performance and network availability trade-off studies are presented, comparing overall system performance between portable and large OGS networks in conjunction with a constellation of small low Earth orbit (LEO) satellites. The paper provides an up-to-date overview and critical analysis of the FSO industry and assesses the feasibility of low-cost portable terminals as an alternative to larger high-capacity OGS systems. This initiative aims to better inform optical communications stakeholders, including governments, academic institutions, satellite operators, manufacturers, and communication service providers