(2) The satellite communication system serves as a complement, extension, and backup to the terrestrial public network. It is generally not cost-effective to rely on satellite systems for high-traffic regions that are already well-covered by national and regional backbone networks. Instead, satellite communication is primarily used as a backup solution when ground-based networks fail due to accidents, natural disasters, or other disruptions.
(3) In large, sparsely populated areas, satellite communication is often more economical than building and maintaining a terrestrial network. The process involves converting signals into microwave frequencies, transmitting them to a geostationary satellite, and then relaying the signal back to the Earth. This method significantly expands coverage, making it ideal for remote or hard-to-reach locations where traditional infrastructure is impractical or too expensive to deploy.
In addition, satellite communication plays a crucial role in emergency response and disaster recovery, providing critical connectivity when ground systems are down. It also supports global mobility, enabling seamless communication for ships, aircraft, and vehicles in motion. While not a replacement for terrestrial networks in urban or densely populated regions, satellite technology remains an essential part of the modern communication landscape, ensuring broader accessibility and reliability across the globe.
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