Multi-Layered Recursive Least Squares for Time-Varying System Identification

no code implementations • 22 Oct 2021 • Mohammad Towliat, Zheng Guo, Leonard J. Cimini, Xiang-Gen Xia, Aijun Song

It is shown that the mean square error (MSE) of the m-RLS estimate can be minimized by selecting the optimum number of layers.

An Adaptive Receiver for Underwater Acoustic Full-Duplex Communication with Joint Tracking of the Remote and Self-Interference Channels

no code implementations • 11 Mar 2021 • Mohammad Towliat, Zheng Guo, Leonard J. Cimini, Xiang-Gen Xia, Aijun Song

Full-duplex (FD) communication is a promising candidate to address the data rate limitations in underwater acoustic (UWA) channels.

Self-Interference Channel Characterization in Underwater Acoustic In-Band Full-Duplex Communications Using OFDM

no code implementations • 21 May 2020 • Mohammad Towliat, Zheng Guo, Leonard J. Cimini, Xiang-Gen Xia, Aijun Song

However, in UWA-IBFD, because of reflections from the surface and bottom and the inhomogeneity of the water, a significant part of the transmitted signal returns back to the IBFD receiver.