Conformal multi-beam directional array antenna

This paper aims to design the low sidelobe microstrip array antenna with a certain angle beam which works in Ka-band. By controlling the difference feeding phase shift and space between the units, the beam angle is acquired. At the center frequency of 35 GHz for a patch, the bandwidth is 2.3 GHz, and the gain is 8.17 dBi; The bandwidth of array antenna is 1.54 GHz and the gain is 20.7 dBi, the beam offset-angle is 45°.