Multi-beam Tracking for Phased Array Antenna Measurement by multiple UAVs

Phased array antenna is increasingly applied for satellite communication on the move terminals. Phased array antenna radiation pattern has been evaluated in the conventional facilities by measuring the entire sphere or plane from different steering angles. As the demand of satellite communication is growing, it is required to make the terminal antenna evaluation process faster than ever before. In this paper, new framework to partially evaluate phased array antenna characteristics is proposed by introducing dynamical UAV system with RF payload. The process of the evaluation can be accelerated by focusing on a few key aspects such as transition of the multiple beam peaks gain and their directions as steering angle is changed. UAVs can track multiple beams autonomously thanks to the trained system by reinforcement learning algorithm.