Parametric-Channel-Estimation-with-Short-Pilots-in-RIS-Assisted-Near-and-Far-Field-Communications

Efficient-LOS-Channel-Estimation-for-RIS-Aided-Communications-Under-Non-Stationary-Mobility

A-New-Channel-Subspace-Characterization-for-Channel-Estimation-in-RIS-Aided-Communications

This work is done to reduce the pilot overhead

Basic_of_Wireless_communication_Tutorial

Water-Filling