{"title":"New approach to time-domain equalization and frequency-domain transient compensation for a DMT-based ADSL system","authors":"D. Straussnigg, A. Kozarev, H. Schenk, J. Bodner","doi":"10.1109/EURCON.2001.937752","DOIUrl":null,"url":null,"abstract":"In this paper, a new approach to time-domain equalization for a multicarrier transmission system is described. The main idea behind our method is to enhance the performance and simplify the complexity and implementation cost of the well-known FIR-based time equalization algorithm (TEQ), by using a simple high-pass filter for channel response shortening and improving the frequency equalization effects with additional compensation of the remaining transient in a DMT (discrete multitone modulation) symbol. Computer simulations were performed in a DMT-based ADSL simulation platform where three different configurations were tested: (1) 35-tap FIR-based TEQ, (2) shortening filter-based TEQ and (3) shortening filter and transient compensation-based TEQ.","PeriodicalId":205662,"journal":{"name":"EUROCON'2001. International Conference on Trends in Communications. Technical Program, Proceedings (Cat. No.01EX439)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"EUROCON'2001. International Conference on Trends in Communications. Technical Program, Proceedings (Cat. No.01EX439)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EURCON.2001.937752","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, a new approach to time-domain equalization for a multicarrier transmission system is described. The main idea behind our method is to enhance the performance and simplify the complexity and implementation cost of the well-known FIR-based time equalization algorithm (TEQ), by using a simple high-pass filter for channel response shortening and improving the frequency equalization effects with additional compensation of the remaining transient in a DMT (discrete multitone modulation) symbol. Computer simulations were performed in a DMT-based ADSL simulation platform where three different configurations were tested: (1) 35-tap FIR-based TEQ, (2) shortening filter-based TEQ and (3) shortening filter and transient compensation-based TEQ.
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