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Title: Nonlinear Effects in NOMA Signals: Performance Evaluation and Receiver Design
Authors: Guerreiro, João
Dinis, Rui
Montezuma, Paulo
Silva, Mário Marques da
Keywords: OFDM
nonlinear distortion effects
receiver design
performance evaluation
Issue Date: 19-Sep-2019
Publisher: IEEE
Abstract: Pre-processing techniques employed at the transmitter side of multiple-input, multiple-output (MIMO) systems, such as the ones used by MIMO singular value decomposition (SVD) (MIMO-SVD) techniques, can lead to signals with large envelope fluctuations and high peak-to-average power ratio (PAPR). For this reason, we can have amplification difficulties and increased sensitivity to nonlinear distortion effects. In this work, we consider MIMO-SVD schemes with strong nonlinear distortion effects. It is shown that contrarily to what one could expect, the asymptotic optimum performance of the MIMO system with strong nonlinear distortion effects can be much better than the optimum performance with an ideal, linear transmitter.
Peer Reviewed: yes
metadata.dc.identifier.doi: 10.1109/VTCFall.2019.8891070
ISSN: 1550-2252
Appears in Collections:DCT - Artigos/Papers

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