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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 1/2020

25.06.2020

Improved Method of Direction Finding for Non Circular Signals with Wavelet Denoising Using Three Parallel Uniform Linear Arrays

verfasst von: Kumar Gowri, Ponnusamy Palanisamy, Iraj Sadegh Amiri

Erschienen in: Wireless Personal Communications | Ausgabe 1/2020

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Abstract

In this paper, two dimensional direction of arrival (2D-DOA) estimation of non circular signals using three parallel uniform linear arrays is addressed. Wavelet denoising is used as a preprocessing step to improve signal to noise ratio (SNR) of the received noise corrupted signal. Gain improved signal is then used for the 2D angle estimation. In this proposed work, we consider non circular signals where the real and imaginary part of received signal is not a independent random variable, so the imaginary part of the signals is also included, which resembles the real time situation. Thus, the array aperture is enlarged to get improved performance in angle estimation. The simulation results are compared with the existing literature of three parallel uniform linear arrays. The simulation results and analysis show that the proposed method has high accuracy and significant performance. Cramer Rao lower bound has been given for the reference.
Vorheriger Artikel A Cost Efficient Service Broker Policy for Data Center Allocation in IaaS Cloud Model
Nächster Artikel A High Capacity 1D-Chaotic-Collaborative-CDMA Scheme for Shared Band 5G-IoT Operation

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Metadaten
Titel
Improved Method of Direction Finding for Non Circular Signals with Wavelet Denoising Using Three Parallel Uniform Linear Arrays
verfasst von
Kumar Gowri
Ponnusamy Palanisamy
Iraj Sadegh Amiri
Publikationsdatum
25.06.2020
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 1/2020
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-020-07571-0

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