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Erschienen in: Wireless Personal Communications 3/2021

19.11.2020

Single Snapshot 2D-DOA Estimation in Wireless Location System

verfasst von: Veerendra Dakulagi

Erschienen in: Wireless Personal Communications | Ausgabe 3/2021

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Abstract

In this research paper, we have devised single-snapshot direction-of-arrival (DOA) algorithms for a uniform circular array (UCA) to resolve multiple targets. Estimation of signal parameters via rotational invariance technique (ESPRIT) and the modified multiple signal classification (MUSIC) algorithms are employed for high-resolution estimation of DOAs. Experimental results are shown to validate the efficacy of the proposed methods. Computer simulations prove that the proposed UCA-ESPRIT and the UCA-modified MUSIC algorithms using single snapshot provide the accurate estimation of DOAs but with the reduced computational complexity. The CPU time obtained using an intel i5 processor shows a significant reduction in computation time as compared to the classical methods. Hence the proposed DOA methods using single snapshot for UCA are suitable in wireless location systems when only a few snapshots or, in the worst case, a single snapshot of the antenna array is on hand for the signal estimation.
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Metadaten
Titel
Single Snapshot 2D-DOA Estimation in Wireless Location System
verfasst von
Veerendra Dakulagi
Publikationsdatum
19.11.2020
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2021
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-020-07975-y

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