Due to the passive nature of Intelligent Reflecting Surface (IRS), channel estimation is a
fundamental challenge in IRS-aided wireless networks. Particularly, as the number of IRS …

Channel estimation is a practical challenge for intelligent reflecting surface (IRS) aided
wireless communication. As the number of IRS reflecting elements or IRS-aided users …

In intelligent reflecting surface (IRS) assisted communication systems, the acquisition of
channel state information is a crucial impediment for achieving the beamforming gain of IRS …

Channel estimation is one of the main tasks in realizing practical intelligent reflecting surface-
assisted multi-user communication (IRS-MUC) systems. However, different from traditional …

In the intelligent reflecting surface (IRS) assisted communication systems, the acquisition of
channel state information (CSI) is a crucial impediment for achieving the passive …

Intelligent reflecting surface (IRS) has emerged as a promising paradigm to improve the
capacity and reliability of a wireless communication system by smartly reconfiguring the …

One main challenge for implementing intelligent reflecting surface (IRS) aided
communications lies in the difficulty to obtain the channel knowledge for the base station …

In recent years, the advantages of wireless communication systems assisted by intelligent
reflecting surface (IRS) have attracted great attention in the field of mobile communication …

Channel estimation is of great importance in realizing practical intelligent reflecting surface-
assisted multi-user communication (IRS-MC) systems. However, different from traditional …

To achieve the full passive beamforming gains of intelligent reflecting surface (IRS),
accurate channel state information (CSI) is indispensable but practically challenging to …