Researchers at Georgia Tech found a way to turn 5G networks into a wireless power grid that can power IoT devices, eliminating the need for batteries.
via designboom
operating just like an optical lens, the rotman lens provides six fields of view simultaneously in a pattern shaped like a spider. tuning the shape of the lens results in a structure with one angle of curvature on the beam-port side and another on the antenna side. this enables the structure to map a set of selected radiation directions to an associated set of beam-ports. the lens is then used as an intermediate component between the receiving antennas and the rectifiers for 5G energy harvesting.
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