This paper introduces a method for detecting, estimating, and localising a soft fault in wired communication networks. The proposed method is based on analysing the transmission coefficients (TC) in the time domain under both fault-free and faulty situations. An orthogonal frequency-division multiplexing (OFDM)-based scheme is used to estimate the TC. A fault-severity ratio is derived to estimate the fault intensity, while a residual-based function is proposed to determine its location. Experimental validation is carried out on a Y-shaped test setup to demonstrate the efficiency of the proposed approach.
@article{arxiv.2603.08183,
title = {Soft Fault Estimation and Localisation in Y-Shaped Networks using OFDM-Based Signals},
author = {Ameer Ahmadie},
journal= {arXiv preprint arXiv:2603.08183},
year = {2026}
}
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