The millimeter-wave (mmWave) technology is one possible solution to addressing the
explosive requirements for mobile data access on high-speed railways (HSRs). However …

Millimeter wave communications show great potentials in many applications, one of which is
the high-speed railway (HSR) communication system. However, a major challenge is the …

In the fifth-generation (5G) high-speed train (HST) system operating in the millimeter-wave
(mmWave) band, a much higher Doppler shift occurs. Doppler shift severely degrades …

Due to the high speed of the HSTs (high speed trains), Doppler shift estimation is a big
challenge for OFDM (Orthogonal Frequency Division Multiplexing) based LTE-R (LTE based …

Due to the high mobility of high-speed trains (HSTs), Doppler shift estimation has been a big
challenge for HSTs. In this paper, we consider an orthogonal frequency-division multiplexing …

More people prefer to using rail traffic for travel or for commuting due to its convenience and
flexibility. As the record of the maximum speed of rail has been continuously broken and …

With significantly improved efficiency, largescale hybrid antenna arrays with tens to
hundreds of antennas have great potential to support millimeter-wave (mmWave) …

The shortage and congestion of lower spectra motivate the exploration of the broadband
and underutilized mmWave to be used in future public mobile communications, and …

Reconfigurable intelligent surfaces (RISs) have emerged as a promising candidate for
improving the spectral-and energy-efficiency of millimeter-wave (mmWave) Internet of …

Applications of millimeter-wave (mm-wave) to high mobility wireless communication
scenarios such as high speed trains (HSTs) have been discussed. In the HST scenarios, not …