Feng Zhang

Time-reversal techniques

Time-reversal transmission is very simple and the transmitter just transmits back the channel impule response between the transmitter and receiver in a reversed order. This scheme can harvest a large number of significant multipaths given enough bandwidth and therefore it enables us to observe  the complicated indoor scattering environment in a much finer scale. Time-reversal techniques have been applied to many areas, such as wireless communication, indoor event detection and so on.