DARPA releases solicitation for 100G wireless airborne data communications program

Wireless data communications experts at the U.S. Defense Advanced Research Projects Agency (DARPA) have released an industry solicitation to develop a military data link able to transmit data at 100 gigabits per second within one radio frequency channel. The 100 Gb/s RF Backbone (100G) program seeks innovative approaches for blending high-order modulation with spatial multiplexing to achieve spectral efficiencies greater than 20 bits-per-second-per hertz. The goal of the 100G program is to create an airborne communications link with fiber-optic-equivalent capacity and long reach that can propagate through clouds and provide high availability. The system will provide 100-gigabit-per-second capacity at ranges of 125 miles for air-to-air links and 62 miles for air-to-ground links from an aircraft flying at about 60,000 feet.

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