Simultaneous Multi-Beam Radar with Full Range Resolution exploiting Space-Code Beamforming
P. Pon Surendar, K. Giridhar

TL;DR
This paper introduces a novel all-digital radar architecture using space-code beamforming to enable simultaneous long-range detection and wide-area surveillance with full range resolution.
Contribution
It proposes a new signal model and a space-code beamforming technique that allows for full range-resolution mapping for all targets across multiple beams.
Findings
Achieves simultaneous surveillance and long-range localization.
Provides full range-resolution for all targets in all beams.
Demonstrates improved coverage over existing subcarrier-based beamforming radars.
Abstract
Conventional monostatic radar systems typically exhibit a trade-off between long-range target detection achieved through narrow beams and short-range wide-area surveillance employing broad beams. Realizing both functionalities within a single system, enabling simultaneous surveillance and long-range target localization, poses a significant challenge. This paper presents a novel signal model and an all-digital frequency domain radar architecture leveraging first-of-its-kind space-code beamforming technique to achieve ubiquitous radar coverage. We show that the range-angle map can be estimated for all targets at full range-resolution for all beams compared to existing subcarrier based beamforming radars.
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Taxonomy
TopicsAntenna Design and Optimization · Radar Systems and Signal Processing · Radio Astronomy Observations and Technology
