Compensation of Narrowband Interference in Generalized Discrete Multitone Modulation

Fliege, Norbert J. ; Schwarz, Johannes

Document Type: Conference or workshop publication
Year of publication: 2004
Book title: 2004 International Conference on Signal Processing & Communications : (SPCOM 7) ; 11 - 14 December 2004, Bangalore, India
The title of a journal, publication series: 2004 International Conference on Signal Processing & Communications (SPCOM), Bangalore, India 11 - 14 December 2004
Page range: 1-5
Place of publication: Piscataway, NJ [u.a.]
Publishing house: IEEE Operations Center
ISBN: 0-7803-8674-4
Publication language: English
Institution: School of Business Informatics and Mathematics > Elektrotechnik (Fliege 1997-2008, Em)
Subject: 004 Computer science, internet
Abstract: The Generalized DMT (GDMT) provides a low latency high data rate transmission |over copper cables constituting a solution for many symmetrical data services |up to 2 Mbps. The low latency is realized by a short FFT, short guard |intervals and by compensating the remaining ISI/ICI by means of a special |equalizer compensation (EC) matrix in the frequency domain. In this paper, a |further useful application of the EC matrix is presented. Using the same |matrix topology, we can show that narrowband interference, which is a severe |problem in DMT and OFDM systems due to the limited selectivity of the FFT, |can be nearly perfectly eliminated. The EC matrix possesses a sparce matrix |topology and thus offers high spectral efficiency which is important for |practical applications.

Dieser Eintrag ist Teil der Universitätsbibliographie.

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