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

The high mobility of future high-speed trains (up to 500 km/h) poses great challenges on the
design of dynamic beamforming (BF) algorithms for millimeter-wave (mmWave) …

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 …

Providing high-capacity radio connectivity for high-speed trains (HSTs) is one of the most
important use cases of emerging fifth generation (5G) New Radio (NR) networks. In this …

Accurate channel parameter estimation is challenging for wideband millimeter-wave
(mmWave) large-scale hybrid arrays, due to beam squint and much fewer radio frequency …

5th generation mobile networks, 5G, are the proposed next-generation communication
network standards. In addition to providing more than 1 Gb per second faster speeds, 5G will …

Using millimeter-wave (mmWave) bands is expected to provide high data rates through
large licensed and unlicensed spectrum. Due to large path loss and sparse scattering …

Higher frequency bands, especially millimeter wave (mmWave), are a key enabler for future
high-speed railway (HSR) wireless communication systems. Hybrid analog and digital …

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

Channel estimation is of critical importance in millimeter-wave (mmWave) multiple-input
multiple-output (MIMO) systems. Due to the use of large antenna arrays, low-complexity …