Sentence examples for millimetre wave from inspiring English sources
However, millimetre wave transmissions have a much shorter range than mobile phone signals.
Google is not the first organisation to work with drones and millimetre wave technology.
"The huge advantage of millimetre wave is access to new spectrum because the existing cellphone spectrum is overcrowded.
Google also established a repeater tower and numerous other sites around the Spaceport, presumably to test millimetre wave reception.
To get millimetre wave working from a high-flying drone, Google needs to experiment with focused transmissions from a so-called phased array.
One of the millimetre wave transceivers was located near Spaceport America's Spaceport Operations Centre (SOC), and the other four miles away at the Vertical Launch Area (VLA), although Google's plans did not involve any rockets.
Even the normal humidity of the atmosphere takes its toll on the distance these so-called millimetre waves can travel.
High frequency millimetre waves can theoretically transmit gigabits of data every second, up to 40 times more than today's 4G LTE systems.
Current occupants of these rarefied frequencies (also known as "millimetre waves" because of the wavelength) include satellite television, microwave relay links, air-traffic control radar, radio astronomy and amateur radio.In most regions of the world, a chunk of spectrum around 60GHz has been designated for use by the public without a licence.
At millimetre waves the propagation effects are significant.
