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Majidian S, Haddadi F. Direction of Arrival (DOA) Estimation Using Khatri-Rao Subspace. Journal of Iranian Association of Electrical and Electronics Engineers. 2017; 14 (2) :37-47
URL: http://jiaeee.com/article-1-386-en.html
Abstract:   (613 Views)
This paper deals with Direction of Arrival (DOA) Estimation using Uniform linear array (ULA) for the case of more sources than sensors in the array processing. Khatri-Rao subspace approach, introduced for DOA estimation for this, in non-stationary signal model. The technique will be shown to be capable to handle stationary signals, too. Identifiability conditions of this approach are addressed. The Cramer-Rao Bound (CRB) is derived for the superior setting and the statistical performance of the estimation method is compared with CRB. Simulations show that the mean-squared error performance of Khatri-Rao approach is within 3 dB of the CRB.
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Type of Article: Research | Subject: Communication
Received: 2017/09/4 | Accepted: 2017/09/4 | Published: 2017/09/4

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