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Erschienen in: Wireless Networks 8/2017

23.05.2016

Improvement of downlink LTE system performances using nonlinear equalization methods based on SVM and Wiener–Hammerstein

verfasst von: Nasreddine Mallouki, Bechir Nsiri, Mohammad Ghanbarisabagh, Walid Hakimi, Mahmoud Ammar

Erschienen in: Wireless Networks | Ausgabe 8/2017

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Abstract

In this paper, we present versatile nonlinear equalizer based on support vector machine for a standard downlink LTE link. The nonlinear effects are introduced through a solid state power amplifier. The equalizer is compared with a linear RLS and nonlinear Wiener–Hammerstein (W–H) for 16QAM–MIMO–OFDM transmission, revealing improved performance at 1 Mb/s, by 3 and 2 dB in SNR, respectively, when targeting a EVM (dB) of −60 dB. SVM equalization also outperforms the Wiener–Hammerstein by 1 dB in SNR.

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Metadaten
Titel
Improvement of downlink LTE system performances using nonlinear equalization methods based on SVM and Wiener–Hammerstein
verfasst von
Nasreddine Mallouki
Bechir Nsiri
Mohammad Ghanbarisabagh
Walid Hakimi
Mahmoud Ammar
Publikationsdatum
23.05.2016
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 8/2017
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-016-1290-3

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