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Performance Analysis of a Non-Uniform DMT Transceiver in Digital Subscriber Line

Sobia BAIG, Muhammad Junaid MUGHAL

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Summary :

A Non-Uniform Discrete Multitone (DMT) transceiver employing an octave spaced quadrature mirror filter (QMF) bank, can be used to overcome the problem of channel noise enhancement in the zero-forcing (ZF) equalization technique. In this letter, performance of the Non-Uniform DMT system is analyzed. A study of the crosstalk between sub-channels due to non-ideal filter banks is also presented. Crosstalk analysis is based upon the bit error rate (BER) performance versus the QMF order in a standadard ADSL channel. Performance comparison of the Non-Uniform DMT transceiver and a conventional DMT system is given, and it is shown that the Non-Uniform DMT transceiver displays slight improvement over the conventional DMT system for the filters of higher order.

Publication
IEICE TRANSACTIONS on Communications Vol.E90-B No.1 pp.140-143
Publication Date
2007/01/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e90-b.1.140
Type of Manuscript
LETTER
Category
Fundamental Theories for Communications

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