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Circuits, Systems, and Signal Processing
Published in:

09-06-2024 | Short Paper

A Generalized Rearranged Coprime Array Configuration for Direction-of-Arrival Estimation with Increased Degrees of Freedom

Authors: Rajen Kumar Patra, Anindya Sundar Dhar

Published in: Circuits, Systems, and Signal Processing | Issue 9/2024

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Abstract

In this paper, we propose a novel rearranged coprime array (RCA) configuration for direction-of-arrival (DOA) estimation, which achieves more degrees-of-freedom (DOF) than the existing RCA with the same number of sensors. It is known that RCA is formed by placing additional sensors to fill up the holes in the difference coarray of the thinned coprime array (TCA). Here, we propose a generalized rearranged coprime array (GRCA) configuration, which is obtained by strategically placing extra sensors to fill up the holes in the difference coarray of the generalized thinned coprime array (GTCA). As the GTCA achieves more DOF than the TCA by judiciously choosing its parameters, the proposed GRCA also attains a considerably large number of DOF than the original RCA. The required simulations are carried out to demonstrate the effectiveness and superiority of the proposed GRCA by comparing it with the existing coprime arrays.
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Appendix
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Metadata
Title
A Generalized Rearranged Coprime Array Configuration for Direction-of-Arrival Estimation with Increased Degrees of Freedom
Authors
Rajen Kumar Patra
Anindya Sundar Dhar
Publication date
09-06-2024
Publisher
Springer US
Published in
Circuits, Systems, and Signal Processing / Issue 9/2024
Print ISSN: 0278-081X
Electronic ISSN: 1531-5878
DOI
https://doi.org/10.1007/s00034-024-02732-z

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