ITM Web Conf.
Volume 30, 201929th International Crimean Conference “Microwave & Telecommunication Technology” (CriMiCo’2019)
|Number of page(s)||10|
|Section||Microwave Communication, Broadcasting and Navigation Systems (3)|
|Published online||27 November 2019|
Methods for mutual time delay estimation of wideband signals based on nonlinear digital filtering
Lobachevsky State University of Nizhny Novgorod, Physical Department, 603950 Gagarin ave. 23, Nizhny Novgorod, Russian Federation
* Corresponding author: email@example.com
Methods for mutual time delay estimation of wideband signals propagating in satellite communication systems are proposed. The signals are propagated in different channels and received with low signal-to-noise ratio. A characteristic feature of satellite channel is the presence of the Doppler Effect, which leads to a shift and scaling the signal spectrums. The proposed approaches are based on the separation of narrow-band channels from the studied signals, using non-linear digital filtering algorithms in each channel, and subsequent optimal (correlation) processing. The accuracy of the proposed methods and the reliability of the determination of time delay are investigated.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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