A Note on The Maximum Number of Sources in DOA Estimation by MODE
ID:29 View Protection:ATTENDEE Updated Time:2020-08-05 10:16:59 Hits:615 Oral Presentation

Start Time:2020-06-09 14:40(Asia/Shanghai)

Duration:20min

Session:R Regular Session » R05Beamforming and Direction-of-Arrival Estimation

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Abstract
This paper discusses the maximum number of sources when their direction of arrivals (DOAs) are estimated by the method of direction estimation (MODE), and presents a modified version of MODE that can estimate more number of sources than that by the original MODE. It is well-known that M-element array can basically estimate up to (M-1) DOAs, however the application of MODE may reduce up to M/2 DOAs because of its computation procedure. We propose a novel DOA estimation method by modifying MODE to employ peak-search of the primary eigenvector beam patterns instead of the null-search in the original MODE. Performance of the proposed method is evaluated through computer simulation.
Keywords
direction-of-arrival estimation; MODE; array signal processing
Speaker
Shohei Hamada
Yokohama National University, Japan

Submission Author
Shohei Hamada Yokohama National University, Japan
Koichi Ichige Yokohama National University, Japan
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    2020

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    Jun 11

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  • Jan 12 2020

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IEEE Signal Processing Society
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