We could use a network of communications satellites to dramatically increase both the bandwidth and the availability of communication on Mars. - by AndyTomaswick
Some signals do lose their strength, even without the presence of an atmosphere in space, so to effectively send high-speed information over long distances, the antennas on these craft have to be massive. Sometimes they exceed the size of the fairing they are launched in, though there are techniques to unpack an antenna in space itself. But an even more significant communication challenge is the Sun.
To get around these problems, Paula Betriu and her colleagues at JPL and the Universitat Politècnica de Cataluny designed a software they called SolarCom to analyze the availability, uptime, and speed of different types of network topologies. Two stood out for their significant increase in speed and reliability – a Lagrange point configuration and what they call a “pearl constellation.
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