Convolutional-Type Neural Networks for Fading Channel Forecasting

In this article, a series of convolutional-type predictive neural networks are proposed for the issue of fading channel forecasting for orthogonal frequency-division multiplexing (OFDM) transmission systems in a multiple-input and multiple-output (MIMO) mode via a noisy channel. The proposed neural...

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Main Authors: Lia Ahrens, Julian Ahrens, Hans Dieter Schotten
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9235319/
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author Lia Ahrens
Julian Ahrens
Hans Dieter Schotten
author_facet Lia Ahrens
Julian Ahrens
Hans Dieter Schotten
author_sort Lia Ahrens
collection DOAJ
description In this article, a series of convolutional-type predictive neural networks are proposed for the issue of fading channel forecasting for orthogonal frequency-division multiplexing (OFDM) transmission systems in a multiple-input and multiple-output (MIMO) mode via a noisy channel. The proposed neural networks all employ convolutional connections that operate in a translation-invariant manner in the frequency domain of the time-varying channel transfer function, which effectively tackles the essential challenges of high dimensionality and denoising. Each of the proposed convolutional-type neural networks is built on a specific overall network architecture and functions as an independent predictor that offers advantages regarding a specific aspect such as accuracy over a certain prediction span or computational effort. Comparative evaluations against common prediction methods such as the Kalman filtering scheme and the standard long-short term memory units (LSTMs) are provided on the basis of transmission simulations over dispersive fading channels with Rayleigh components according to the well-established 3GPP Long Term Evolution (LTE) standards.
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spelling doaj.art-a15be5e2e82848deaff49fdca62b66572022-12-21T22:23:53ZengIEEEIEEE Access2169-35362020-01-01819307519309010.1109/ACCESS.2020.30329339235319Convolutional-Type Neural Networks for Fading Channel ForecastingLia Ahrens0https://orcid.org/0000-0002-9382-4732Julian Ahrens1https://orcid.org/0000-0001-8194-5791Hans Dieter Schotten2German Research Center for Artificial Intelligence (DFKI), Kaiserslautern, GermanyGerman Research Center for Artificial Intelligence (DFKI), Kaiserslautern, GermanyGerman Research Center for Artificial Intelligence (DFKI), Kaiserslautern, GermanyIn this article, a series of convolutional-type predictive neural networks are proposed for the issue of fading channel forecasting for orthogonal frequency-division multiplexing (OFDM) transmission systems in a multiple-input and multiple-output (MIMO) mode via a noisy channel. The proposed neural networks all employ convolutional connections that operate in a translation-invariant manner in the frequency domain of the time-varying channel transfer function, which effectively tackles the essential challenges of high dimensionality and denoising. Each of the proposed convolutional-type neural networks is built on a specific overall network architecture and functions as an independent predictor that offers advantages regarding a specific aspect such as accuracy over a certain prediction span or computational effort. Comparative evaluations against common prediction methods such as the Kalman filtering scheme and the standard long-short term memory units (LSTMs) are provided on the basis of transmission simulations over dispersive fading channels with Rayleigh components according to the well-established 3GPP Long Term Evolution (LTE) standards.https://ieeexplore.ieee.org/document/9235319/Wireless communicationsdeep learningconvolutional neural networksLSTMstime series analysisfading channel forecasting
spellingShingle Lia Ahrens
Julian Ahrens
Hans Dieter Schotten
Convolutional-Type Neural Networks for Fading Channel Forecasting
IEEE Access
Wireless communications
deep learning
convolutional neural networks
LSTMs
time series analysis
fading channel forecasting
title Convolutional-Type Neural Networks for Fading Channel Forecasting
title_full Convolutional-Type Neural Networks for Fading Channel Forecasting
title_fullStr Convolutional-Type Neural Networks for Fading Channel Forecasting
title_full_unstemmed Convolutional-Type Neural Networks for Fading Channel Forecasting
title_short Convolutional-Type Neural Networks for Fading Channel Forecasting
title_sort convolutional type neural networks for fading channel forecasting
topic Wireless communications
deep learning
convolutional neural networks
LSTMs
time series analysis
fading channel forecasting
url https://ieeexplore.ieee.org/document/9235319/
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