| Paper: | SPCOM-P13.2 | ||
| Session: | DMT and xDSL | ||
| Time: | Friday, May 21, 15:30 - 17:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communications: Multi-Carrier, OFDM, and DMT Systems | ||
| Title: | FAST ESTIMATION OF POWER SPECTRAL DENSITY OF ISI/ICI INTERFERENCES FOR ADSL MODEM | ||
| Authors: | Tomasz Twardowski; AGH University of Science and Technology | ||
| Tomasz Zielinski; AGH University of Science and Technology | |||
| Abstract: | Simple time domain matrix description of intersymbol and interchannel interferences (ISI/ICI) existing in multicarrier modulation schemes with guard interval are presented in the paper and exploited for design of two fast algorithms for computation of the ISI/ICI power spectral density. The discussion is carried out for ADSL modem with general guard interval including cyclic prefix and trailing zeros as special cases. The proposed algorithms can be utilized for estimation of the modem bitrate, for example during optimization of the time equalization (TEQ) filter. | ||
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