Design of a Tile-Type Rx Multi-Beam Digital Active Phased Array Antenna System

Abstract

This paper details the design, manufacture, and performance test results of a highly integrated Rx multi-beam active phased array antenna for aerial communications. The proposed Rx phased array antenna comprises three tile-phased array antennas consisting of array antennas, radio frequency, and beamforming units. A performance test of the Rx antenna system revealed the system achieved gain-to-noise temperature of −6 dB/K and beam pointing accuracy of below 0.4° with four independently operable multi-beams. It is designed with compact size and less weight for various platforms.

Keywords

• aerial communication
• digital beamforming
• multi-beam
• rx system