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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Energy-Efficient Channel Estimation [PDF]
IEEE Access, 2020 We investigate the energy-efficient channel estimation in wireless networks, where one pilot is inserted for every several data slots to estimate the channel coefficients. Both the channel state information estimation error and the time-varying model are
Guandong Wei +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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Deep Learning-Based Channel Estimation for mmWave Massive MIMO Systems in Mixed-ADC Architecture [PDF]
Sensors, 2022 Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems can significantly reduce the number of radio frequency (RF) chains by using lens antenna arrays, because it is usually the case that the number of RF chains is often much ...
Rui Zhang +4 more
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Discrete Fourier Transform with Denoise Model Based Least Square Wiener Channel Estimator for Channel Estimation in MIMO-OFDM [PDF]
Entropy, 2022 Multiple-input Multiple-Output (MIMO) systems require orthogonal frequency division multiplexing to operate efficiently in multipath communication (OFDM).
Dhanasekaran S +5 more
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Channel Estimation in DCT-Based OFDM [PDF]
The Scientific World Journal, 2014 This paper derives the channel estimation of a discrete cosine transform- (DCT-) based orthogonal frequency-division multiplexing (OFDM) system over a frequency-selective multipath fading channel.
Yulin Wang +3 more
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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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