Reconfigurable intelligent surface (RIS) is an attractive technology to improve the
transmission rate of millimetre-wave (mmWave) communication systems. The previous …

The research on high-precision and all-scenario localization using the millimeter-wave
(mmWave) band is of great urgency. Due to the characteristics of mmWave, blockages make …

Recently, reconfigurable intelligent surface (RIS) have been introduced not only to
overcome communication blockages due to obstacles but also for high-precision localization …

This letter investigates a reconfigurable intelligent surface (RIS) assisted mmWave system
for wireless area positioning. We aim to optimize the worst-case localization performance in …

The sparsity of millimeter wave (mmWave) channels in angular and temporal domains has
been exploited for channel estimation, while the associated channel parameters can be …

The concept of reconfigurable intelligent surface (RIS) has been proposed to change the
propagation of electromagnetic waves, eg, reflection, diffraction, and refraction. To …

A fundamental challenge in millimeter-wave (mmWave) communication is the susceptibility
to blocking objects. One way to alleviate this problem is the use of reconfigurable intelligent …

Reconfigurable intelligent surfaces (RISs) are regarded as one of the most promising
techniques in the sixth-generation (6G) mobile communication networks. With the feature of …

The sparsity of millimeter wave (mmWave) channels in the angular and temporal domains is
beneficial to channel estimation, while the associated channel parameters can be utilized for …

Millimeter-wave (mmWave) communication is one of the key technologies for the fifth-
generation cellular networks (5G). However, one of the fundamental problems of mmWave …