Authors:
Andreas Ahrens
1
and
Christoph Lange
2
Affiliations:
1
Hochschule Wismar, University of Technology, Business and Design, Germany
;
2
T-Systems Enterprise Services GmbH, Germany
Keyword(s):
Twisted-pair Cable, OFDM, Singular-Value Decomposition, Multiple Input Multiple Output System, Iterative Decoding, EXIT Charts.
Related
Ontology
Subjects/Areas/Topics:
Layered Coding and Transcoding
;
Multidimensional Signal Processing
;
Multimedia
;
Multimedia and Communications
;
Multimedia Signal Processing
;
Telecommunications
Abstract:
Crosstalk between neighbouring wire pairs in multi-pair copper cables is an important disturbance, which essentially limits the transmission quality and the throughput of such cables. For high-rate transmission, often the strong
near-end crosstalk (NEXT) disturbance is avoided or suppressed and only the far-end crosstalk (FEXT) remains as crosstalk influence. In this contribution the effect of far-end crosstalk (FEXT) in iteratively detected MIMO-OFDM transmission schemes is studied. EXIT (extrinsic information transfer) charts are used for analyzing and optimizing the convergence behaviour of the iterative demapping and decoding.