Skip to Main content Skip to Navigation
Conference papers

Predistortion performance considering Peak to Average Power ratio reduction in OFDM context

Abstract : Some recent communication systems like DVB-T2 standard set up a PAPR reduction technique followed by a linearization's one. So in such a scenario, the performance of the linearization is influenced undoubtedly by the PAPR reduction method. In this paper, we revisit the EVM metric and evaluate a closed form regarding the performance of both the PAPR reduction technique and the linearization's one. We choose the predistortion as a linearization technique and define a predistortion error. Assuming that the baseband OFDM signal is characterized as a complex Gaussian process, we consider the three top categories of PAPR reduction methods presented in [2] and we first study the distribution of the resulted signal. Then, we derive some theoretical expressions of the first and second order moments of the predistortion error and show that the error depends mainly on the PAPR of the signal after PAPR reduction method and on the predistortion quality. Some simulations compared to our proposed model confirm our results.
Complete list of metadata

Cited literature [16 references]  Display  Hide  Download
Contributor : Anne Cloirec Connect in order to contact the contributor
Submitted on : Thursday, March 15, 2012 - 3:02:00 PM
Last modification on : Tuesday, January 11, 2022 - 3:17:18 AM
Long-term archiving on: : Monday, June 18, 2012 - 4:16:36 PM


Files produced by the author(s)



O. Abel Gouba, Yves Louët. Predistortion performance considering Peak to Average Power ratio reduction in OFDM context. WCNC 2012, Apr 2012, Paris, France. 5 p., ⟨10.1109/WCNC.2012.6214128⟩. ⟨hal-00679272⟩



Les métriques sont temporairement indisponibles