Array configuration optimization using an objective function for accurate DOA estimation
- Authors
- Byun, Gangil; Joo, Jeungmin; Kim, Kichul; Seo, Seungmo; Kim, Sunwoo; Choo, Hosung
- Issue Date
- Nov-2013
- Publisher
- IEEE
- Keywords
- Direction finding; DOA estimation
- Citation
- Asia-Pacific Microwave Conference Proceedings, APMC, pp.666 - 668
- Indexed
- SCOPUS
- Journal Title
- Asia-Pacific Microwave Conference Proceedings, APMC
- Start Page
- 666
- End Page
- 668
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/161625
- DOI
- 10.1109/APMC.2013.6694899
- ISSN
- 0000-0000
- Abstract
- This paper proposes a deterministic method of array configurations using an objective function for accurate DOA estimation in a wide frequency range. The objective function is defined to describe appropriate baseline distributions of an 8-elemnt circular array for the max-min frequency ratio of 6:1 and used to finds the most similar distributions among a number of random array configurations. The resulting array configuration obtained from the proposed method is evaluated by root mean square error (RMSE) and ambiguity in comparison with a uniform circular array (UCA). The results demonstrate that the proposed method is efficient for achieving accurate DOA estimation in a wide frequency range.
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