Study of FDD downlink beamforming method suitable for WPT in real environment

摘要

The wireless power transmission (WPT) system realizes high power supply in the microwave band. The WPT system needs a function to transmit power while detecting and avoiding other systems (W-LAN) which uses adjacent transmitting channels. In this paper, we propose a method to detect other systems using 802.11ac based preamble signals assuming W-LAN. We measure signals in an actual indoor environment, and performance computer simulations using the propagation channels using the W-LAN system. The effect of the proposed method in the real environment is verified.