A recent test from a British firm highlights an innovative way of sending information to a flying machine.
, as part of a broader push by the United Kingdom’s Defence Science and Technology Laboratory effort to make drone communications more resilient. Communications that depend on sending and receiving laser signals can struggle in low-visibility weather, like fog or dust, which obscures the sky. The promise of this approach, though, is for the possibility of clear, high-bandwidth transmission of vast quantities of data rapidly with light, and done openly wherever the sender and receiver may be.
In 2008, DARPA awarded a contract to Northrop Grumman for the Optical RF Communications Adjunct project, aimed at providing “an all-weather, high connectivity, jam resistant, high bandwidth network,” according toBecause of the limits of optical communication alone, much of the research on free-space optical communication pairs it with radio communication for greater resiliency.
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