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In colocated compressive sensing MIMO radar, the measurement matrix isspecified by antenna placement. To guarantee an acceptable recoveryperformance, this measurement matrix should satisfy certain properties, e.g., asmall coherence. Prior work in the literature often employs randomizedplacement algorithms which optimize the prior distribution of antennalocations. The performance of these algorithms is suboptimal, as they can beeasily enhanced via expurgation. In this paper, we suggest an iterative antennaplacement algorithm which determines the antenna locations deterministically.The proposed algorithm locates jointly the antenna elements on the transmit andreceive arrays, such that the coherence of the resulting measurement matrix isminimized. Numerical simulations demonstrate that the proposed algorithmoutperforms significantly the benchmark, even after expurgation.

A Novel Antenna Placement Algorithm for Compressive Sensing MIMO Radar