Uplink data transmission for high speed trains in severe doubly selective channels of 6G communication systems

V Vahidi - Physical Communication, 2021 - Elsevier
This paper proposes a transmitter–receiver architecture for the transmission and detection of
data from high-speed-trains (HSTs) to base-stations (BSs) in sixth-generation (6G) …

High speed trains communication systems in 5G cellular networks

V Vahidi - Digital Signal Processing, 2021 - Elsevier
In this paper, a new transmitter-receiver structure for high speed train (HST) data
transmission and detection in fifth generation (5G) communication systems is proposed. This …

Downlink data transmission for high‐speed trains in 5G communication systems

V Vahidi, E Saberinia - IET Communications, 2020 - Wiley Online Library
In this study, a new transmitter–receiver approach for high‐speed train (HST) downlink
orthogonal frequency division multiplexing (OFDM) data transmission and detection in fifth …

OFDM high speed train communication systems in 5G cellular networks

V Vahidi, E Saberinia - 2018 15th IEEE Annual Consumer …, 2018 - ieeexplore.ieee.org
A reliable high-speed wireless communication is essential for high speed trains (HSTs) in
upcoming 5G communication cellular networks. Orthogonal frequency division multiplexing …

Time varying channel estimation for SC-FDMA system under HST scenario

L Yang, Y Liang - 2014 Sixth International Conference on …, 2014 - ieeexplore.ieee.org
We propose a time variation channel estimation method for the Time Division Duplex-Long
Term Evolution (TDD-LTE) uplink in the high speed train (HST) environment. In the transform …

Performance analysis of DFT spread generalized multi-carrier systems

MQ Li, XD Zhang - Science in China Series F: Information Sciences, 2009 - Springer
Discrete Fourier transform-spread generalized multi-carrier (DFT-S-GMC) based single
carrier-frequency division multiple access (SC-FDMA) scheme is a promising solution for …

Comparative study of channel estimation methods for LTE downlink transmission

SD You, YS Liu - 2015 IEEE 4th Global Conference on …, 2015 - ieeexplore.ieee.org
This paper studies several channel estimation methods for LTE (Long Term Evolution)
receivers in the FDD (Frequency-Division Duplexing) mode. The simulation results show …

Nonlinearity-based ranging technique in SC-FDE communication system with oversampled signals

X Pan, S Liu, S Yan - IEEE Access, 2019 - ieeexplore.ieee.org
Ground-based positioning systems are necessary as the conventional satellite-based
systems suffer from weak received signals. In this paper, we proposed a precise ranging …

Iterative channel estimation method for long‐term evolution downlink transmission

YS Liu, SD You, YM Liu - IET Communications, 2015 - Wiley Online Library
Long‐term evolution (LTE) standard employs orthogonal frequency division multiplexing
(OFDM) for downlink (DL) data transmission. As pilot subcarriers are non‐uniformly and …

Fast time-varying channel estimation technique for LTE uplink in HST environment

L Yang, G Ren, B Yang, Z Qiu - IEEE Transactions on Vehicular …, 2012 - ieeexplore.ieee.org
A novel channel estimation technique is proposed for the time-division-duplex long-term
evolution (TDD-LTE) single-carrier frequency-division multiple-access (SC-FDMA) system in …