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Performance study of RAM-based decision feedback equalizers with application to nonlinear satellite channels
1999 (English)In: Signal Processing and its Applications: ISSPA '99. Proceedings, Piscataway, NJ: IEEE Communications Society, 1999Conference paper (Refereed)
Abstract [en]

The performance of nonlinear decision feedback equalizer implementations based on the use a random access memory (RAM) look-up table are considered. RAM look-up tables admit the modeling, without approximation, of the nonlinear intersymbol interference of nonlinear channels with finite memory. Three equalizers are considered; the RAM-DFE; RAM-canceler; and recently developed pre-cursor enhanced RAM-DFE canceler (PERC). In contrast to the classical “feedforward” Volterra equalizers, these equalizers have the advantage that the nonlinear processing element is out of the path of the noise, thus avoiding noise amplification. Results are presented for 16-QAM which compare and demonstrate the effectiveness of these equalizers, particularly the PERC, on the nonlinear satellite channel

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1999.
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-37236DOI: 10.1109/ISSPA.1999.818198Local ID: b3448ff0-7d8c-11db-8824-000ea68e967bISBN: 1-86435-451-8OAI: diva2:1010734
International Symposium on Signal Processing and Its Applications : 22/08/1999 - 25/08/1999
Upprättat; 1999; 20061126 (ysko)Available from: 2016-10-03 Created: 2016-10-03

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