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Low-Complexity Channel Shortening Technique for DMT-Based xDSL Modems
Young-Hwan YOU Jong-Ho PAIK Hyoung Kyu SONG Jae-Kwon KIM Won-Young YANG Yong-Soo CHO
IEICE TRANSACTIONS on Communications
Publication Date: 1999/11/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Communication Systems and Transmission Equipment
time-domain equalizer, discrete multitone (DMT) modulation,
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This letter is concerned with a new algorithm which can be used to design a time-domain equalizer (TEQ) for xDSL systems employing the discrete multitone (DMT) modulation. The proposed algorithm, derived by neglecting the terms which do not affect the performance of a DMT system in ARMA modeling, is shown to have a good performance compared with the previous TEQ algorithms even with a significantly lower computational complexity. In addition, the proposed algorithm does not require the channel impulse response or training sequence, since all processing is made only with the received data.