Application of ICA on Self-Interference Cancellation of In-band Full Duplex Systems
Signal Processing
2020-01-07 v1 Information Theory
math.IT
Abstract
In this letter, we propose a modified version of Fast Independent Component Analysis (FICA) algorithm to solve the self-interference cancellation (SIC) problem in In-band Full Duplex (IBFD) communication systems. The complex mixing problem is mathematically formulated to suit the real-valued blind source separation (BSS) algorithms. In addition, we propose a method to estimate the ambiguity factors associated with ICA lumped together with the channels and residual separation error. Experiments were performed on an FD platform where FICA-based BSS was applied for SIC in the frequency domain. Experimental results show superior performance compared to least squares SIC by up to 6 dB gain in the SNR.
Keywords
Cite
@article{arxiv.2001.00962,
title = {Application of ICA on Self-Interference Cancellation of In-band Full Duplex Systems},
author = {Mohammed E. Fouda and Sergey Shaboyan and Ayman Elezabi and Ahmed Eltawil},
journal= {arXiv preprint arXiv:2001.00962},
year = {2020}
}