On Jointly CRB-optimal Arrays and Waveforms for Multi-Target Active Sensing
I. van der Werf (TU Delft - Signal Processing Systems)
G. Leus (TU Delft - Signal Processing Systems)
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Abstract
This paper investigates jointly CRB-optimal array-waveform pairs for active sensing with multiple targets and provides new insights into their structure. We first demonstrate that coherent beamforming, though suboptimal, achieves near-optimal performance. Building on this insight, we develop an iterative sensor relocation algorithm that converges to a locally optimal array configuration. The resulting geometries exhibit intuitive physical patterns and deliver significant performance gains compared to random and canonical designs.
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File under embargo until 26-09-2026