Deep learning based channel estimation method for mine OFDM system [PDF]
Scientific Reports, 2023 In this paper, we present a channel estimation approach based on deep learning to solve the problem that the orthogonal frequency division multiplexing (OFDM) system channel estimation algorithm cannot accurately obtain the channel state information in ...
Mingbo Wang +3 more
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Channel Estimation for Massive MIMO Systems via Polarized Self-Attention-Aided Channel Estimation Neural Network [PDF]
EntropyResearch on deep learning (DL)-based channel estimation for massive multiple-input multiple-output (MIMO) communication systems has attracted considerable interest in recent years. In this paper, we propose a DL-assisted channel estimation algorithm that
Shuo Yang +5 more
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An Improved SAMP Algorithm for Sparse Channel Estimation in OFDM System [PDF]
Sensors, 2023 Channel estimation of an orthogonal frequency division multiplexing (OFDM) system based on compressed sensing can effectively reduce the pilot overhead and improve the utilization rate of spectrum resources.
Hao Hu +3 more
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Denoising Generalization Performance of Channel Estimation in Multipath Time-Varying OFDM Systems [PDF]
Sensors, 2023 Although Orthogonal Frequency Division Multiplexing (OFDM) technology is still the key transmission waveform technology in 5G, traditional channel estimation algorithms are no longer sufficient for the high-speed multipath time-varying channels faced by ...
Yinying Li, Xin Bian, Mingqi Li
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Iterative Joint Estimation Procedure of Channel and PDP for OFDM Systems
Entropy, 2022 The power-delay profile (PDP) estimation of wireless channels is an important step to generate a channel correlation matrix for channel linear minimum mean square error (LMMSE) estimation.
Ruixuan He +5 more
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Model-Driven Deep-Learning-Based Underwater Acoustic OTFS Channel Estimation
Journal of Marine Science and Engineering, 2023 Accurate channel estimation is the fundamental requirement for recovering underwater acoustic orthogonal time–frequency space (OTFS) modulation signals.
Yuzhi Zhang +4 more
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Joint Channel Estimation Algorithm Based on DFT and DWT
Applied Sciences, 2022 Channel estimation is an important component of orthogonal frequency division multiplexing (OFDM) systems. The existence of virtual subcarriers leads to energy spreading in the time-domain when using Inverse Fast Fourier Transform (IFFT), resulting in ...
Zhe Zhang, Xin Bian, Mingqi Li
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Channel Estimation for Millimeter Wave Massive MIMO Systems Using Separable Compressive Sensing
IEEE Access, 2021 Channel estimation is a fundamental problem for downlink transmission in millimeter wave (mmWave) multiple input multiple output (MIMO) systems. This paper proposes a channel estimation algorithm by exploiting the separable structured sparsity of mmWave ...
Ting Jiang +3 more
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Machine Learning-Based 5G-and-Beyond Channel Estimation for MIMO-OFDM Communication Systems
Sensors, 2021 Channel estimation plays a critical role in the system performance of wireless networks. In addition, deep learning has demonstrated significant improvements in enhancing the communication reliability and reducing the computational complexity of 5G-and ...
Ha An Le +4 more
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Optimal channels for channelized quadratic estimators
Journal of the Optical Society of America A, 2016 We present a new method for computing optimized channels for estimation tasks that is feasible for high-dimensional image data. Maximum-likelihood (ML) parameter estimates are challenging to compute from high-dimensional likelihoods. The dimensionality reduction from M measurements to L channels is a critical advantage of channelized quadratic ...
Meredith K, Kupinski, Eric, Clarkson
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