Transmit and Receive Sensor Selection Using the Multiplicity in the Virtual Array

Van der Werf, I.; Kokke, C.A.; Heusdens, R.; Hendriks, R.C.; Leus, G.; Coutino, M.

Transmit and Receive Sensor Selection Using the Multiplicity in the Virtual Array

Conference paper (2024)

Authors

I. Van der Werf Signal Processing Systems -

C.A. Kokke Signal Processing Systems -

R. Heusdens Signal Processing Systems - , Netherlands Defence Academy

R.C. Hendriks Signal Processing Systems -

G. Leus Signal Processing Systems -

M. Coutino Signal Processing Systems - , TNO

Research Group

Signal Processing Systems () (TU Delft)

Sensor selection Redundancy Multiplicity Active sensing Cramér-Rao lower bound (CRB)

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Published Date

2024

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Signal Processing Systems

Abstract

The main focus of this paper is an active sensing application that involves selecting transmit and receive sensors to optimize the Cramér-Rao bound (CRB) on target parameters. Although the CRB is non-convex in the transmit and receive selection, we demonstrate that it is convex in the virtual array weight vector, which describes the multiplicity of the virtual array elements. Based on this finding, we propose a novel algorithm that optimizes the virtual array weight vector first and then finds a matching transceiver array. This greatly enhances the efficiency of the transmit and receive sensor selection problem.

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