Range-Angle-Dependent Beamforming by Frequency Diverse Array Antenna

Abstract EN

This paper proposes a range-angle-dependent beamforming for frequency diverse array (FDA) antenna systems.

Unlike conventional phased-array antenna, the FDA antenna employs a small amount of frequency increment compared to the carrier frequency across the array elements.

The use of frequency increment generates an antenna pattern that is a function of range, time and angle.

The range-angle-dependent beamforming allows the FDA antenna to transmit energy over a desired range or angle.

This provides a potential to suppress range-dependent clutter and interference which is not accessible for conventional phased-array systems.

In this paper, a FDA radar signal model is formed and the range-angle-dependent beamforming performance is examined by analyzing the transmit/receive beampatterns and the output signal-to-interference-plus-noise ratio (SINR) performance.

Extensive simulation examples and results are provided.