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Wireless Personal Communications
Published in: Wireless Personal Communications 1/2019

12-03-2019

Smart Antenna System for DOA Estimation using Single Snapshot

Authors: Veerendra Dakulagi, Md. Bakhar

Published in: Wireless Personal Communications | Issue 1/2019

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Abstract

In the antenna array signal processing, a lot of interest has been given towards large number of samples which is asymptotic case. In certain cases like automotive radar applications only few or in the worst condition one sample (snapshot) of radar sensor is available for the direction finding. Hence single snapshot based direction of arrival (DOA) algorithms are required for such cases. Two such methods, namely, single snapshot root-multiple signal classification (MUSIC) and single snapshot estimation of signal parameters via rotational invariance technique (ESPRIT) algorithms using uniform linear array (ULA) are proposed. The experimental results clearly show that the proposed methods with single snapshot and the classical methods with 100 snapshots have almost similar performance. This results in ten times increase in execution. Hence the proposed methods are computationally efficient and can be used in advanced radar communications where latency is an important issue.
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Metadata
Title
Smart Antenna System for DOA Estimation using Single Snapshot
Authors
Veerendra Dakulagi
Md. Bakhar
Publication date
12-03-2019
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 1/2019
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-019-06241-0

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