Rate Conversion in Echo Cancellation for ADSL based on DMT
碩士 === 國立交通大學 === 電信工程系 === 90 === Abstract Due to I.S.I. (Intersymbol Interference) between adjacent blocks for ADSL based on DMT (Discrete Multitone), we can corresponsively use tail cancellation and cyclic reconstruction in time domain and LMS algorithm in frequency domain f...
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ndltd-TW-090NCTU04350042015-10-13T10:05:22Z http://ndltd.ncl.edu.tw/handle/09789451954451944512 Rate Conversion in Echo Cancellation for ADSL based on DMT 非對稱性分散式多波道系統下的回音消除速率轉換 Zi-Yi Lee 李子沂 碩士 國立交通大學 電信工程系 90 Abstract Due to I.S.I. (Intersymbol Interference) between adjacent blocks for ADSL based on DMT (Discrete Multitone), we can corresponsively use tail cancellation and cyclic reconstruction in time domain and LMS algorithm in frequency domain for echo cancellation. When compared with traditional equalizer only in time domain or frequency domain, it would reduce the computing complexity. For ADSL, the rate conversion between transceiver and receiver must match before echo cancellation. In the thesis, we research the rate conversion and expand interpolation, poly-phase form, for reducing the computing complexity. Wen-Thong Chang 張文鐘 2002 學位論文 ; thesis 71 zh-TW |
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碩士 === 國立交通大學 === 電信工程系 === 90 === Abstract
Due to I.S.I. (Intersymbol Interference) between adjacent blocks for ADSL based on DMT (Discrete Multitone), we can corresponsively use tail cancellation and cyclic reconstruction in time domain and LMS algorithm in frequency domain for echo cancellation. When compared with traditional equalizer only in time domain or frequency domain, it would reduce the computing complexity. For ADSL, the rate conversion between transceiver and receiver must match before echo cancellation. In the thesis, we research the rate conversion and expand interpolation, poly-phase form, for reducing the computing complexity.
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Wen-Thong Chang |
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Wen-Thong Chang Zi-Yi Lee 李子沂 |
author |
Zi-Yi Lee 李子沂 |
spellingShingle |
Zi-Yi Lee 李子沂 Rate Conversion in Echo Cancellation for ADSL based on DMT |
author_sort |
Zi-Yi Lee |
title |
Rate Conversion in Echo Cancellation for ADSL based on DMT |
title_short |
Rate Conversion in Echo Cancellation for ADSL based on DMT |
title_full |
Rate Conversion in Echo Cancellation for ADSL based on DMT |
title_fullStr |
Rate Conversion in Echo Cancellation for ADSL based on DMT |
title_full_unstemmed |
Rate Conversion in Echo Cancellation for ADSL based on DMT |
title_sort |
rate conversion in echo cancellation for adsl based on dmt |
publishDate |
2002 |
url |
http://ndltd.ncl.edu.tw/handle/09789451954451944512 |
work_keys_str_mv |
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