Facebook could transmit data at a speed of 13 km at 20 gb/s

Earlier this year, Facebook introduced a system of ground connection Terragraph & Project ARIES using microwave technology (MMW), which should help bring better internet connection in rural and urban areas. Recently the company announced that it was able to successfully transmit data over a distance of 13 km with a record speed of 20 Gbit / s. Transmission uses bandwidth with a frequency of 2 GHz, which leads to a total spectral efficiency of 9.8 bits per second per Hertz. This trans- mitter and receiver power consumption is 105 watts.

facebook-transmit-data-speed

Currently, Facebook is still necessary to solve several problems associated with the use of custom-made equipment, but in the future air-to-ground of the next generation communication systems are capable of supporting data transfer rates of up to 40 Gbit / s for download and return between the aircraft and the ground station. Testing these systems is scheduled for early 2017. Aircraft will be able to receive the signal at a height of more than 6 km. While the commercial use of this technology is not known.

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