Modeling alien-line impedance mismatch in wideband vectored wireline systems
article
Sudden changes of channel coefficients in a wideband vectored wireline system (such as G.fast) due to changes in the terminating impedance of lines outside the vectored group can seriously degrade stability and throughput. This letter presents a model that predicts the impact of termination mismatch based exclusively on crosstalk data for the properly-terminated state. Experimental results confirm a tight fit between model and measurements. The model allows analysis of system performance and stability without dedicated crosstalk measurements for mismatch cases.
TNO Identifier
516529
Source
IEEE Communications Letters, 18(9), pp. 1527-1530.
Pages
1527-1530
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