Limiting doppler shift effect on cell-free massive MIMO systems: A stochastic geometry approach

S Elhoushy, W Hamouda - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
… In such case, the Doppler shift effect will be present on the DL channel estimation phase …
MIMO systems under the Doppler shift effect. To alleviate the burden on the fronthaul network

High-mobility massive MIMO with beamforming network optimization: Doppler spread analysis and scaling law

Y Ge, W Zhang, F Gao, S Zhang… - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
… (MIMO) systems, Doppler shifts compensation can be combined with beamforming network
… The key of the beamforming network lies in the optimization of the common configurable …

Effect of doppler shift on the performance of multicell full-duplex massive MIMO networks

J Dai, M Zhang, J Wang, J Shi, R Song… - IEEE Systems …, 2019 - ieeexplore.ieee.org
… directly applied to massive MIMO systems. Previously, we have studied the influence of the
Doppler shift in a single-cell scenario on a full-duplex massive MIMO communication system. …

Doppler shift estimation in 5G new radio non-terrestrial networks

X Lin, Z Lin, SE Löwenmark, J Rune… - 2021 IEEE Global …, 2021 - ieeexplore.ieee.org
… to Doppler shifts. This is illustrated in Figure 1, where one UE experiences a positive Doppler
shift while the other a negative Doppler shift… by the DL Doppler shift difference and received …

Delay-Doppler alignment modulation for spatially sparse massive MIMO communication

H Lu, Y Zeng - IEEE Transactions on Wireless Communications, 2023 - ieeexplore.ieee.org
… estimating the propagation delay and Doppler shift per path, helps reduce … MIMO channels,
we extend DAM by proposing a Doppler-ISI dual mitigation technique termed delayDoppler

[PDF][PDF] Doppler shift impact on The MIMO OFDM system in vehicular channel condition

SN Sur, R Bera - International Journal of Information Technology …, 2012 - researchgate.net
… (OFDM) is very sensitive to Doppler shift. In this scenario multiple input and multiple output
(MIMO) system combined with OFDM, make MIMO-OFDM techniques very attractive and …

Beamforming network optimization for reducing channel time variation in high-mobility massive MIMO

Y Ge, W Zhang, F Gao, S Zhang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… beamformers being limited in suppressing the residual Doppler shifts, we propose to introduce
a CCAP parameter and optimize the beamforming network by removing, to some degree, …

High-mobility wideband massive MIMO communications: Doppler compensation, analysis and scaling laws

W Guo, W Zhang, P Mu, F Gao… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… at the transmitter, we design a beamforming network to generate multiple parallel beamforming
… analyze the Doppler spread of the equivalent uplink channel after angledomain Doppler

Deep learning based prediction of Doppler shift for mobile communications

T Ngo, BT Kelley, P Rad - 2021 Telecoms Conference …, 2021 - ieeexplore.ieee.org
… itself (ie, CSI feedback), along with DL neural network information (eg, weights, layers), on …
features in every sequence of inputs collected from multiple antennas (ie, MIMO) and multiple …

Doppler shift compensation schemes in VANETs

F Nyongesa, K Djouani, T Olwal… - Mobile Information …, 2015 - Wiley Online Library
… in dense traffic networks [9], and high BER due to Doppler shift … (EDCA) mechanism, Doppler
shift lacks such direct elimination … for estimating the maximum Doppler shift for MIMO-OFDM …