Nonlinear effects in NOMA signals: Performance evaluation and receiver design

João Guerreiro; Rui Dinis; Paulo Montezuma; Mario Marques Da Silva

doi:10.1109/VTCFall.2019.8891070

Nonlinear effects in NOMA signals: Performance evaluation and receiver design

João Guerreiro, Rui Dinis, Paulo Montezuma, Mario Marques Da Silva

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Citations (Scopus)

Abstract

Non-orthogonal multiple access (NOMA) is being considered a key technology for 5G systems. In this work, we consider power-domain NOMA schemes for downlink orthogonal frequency-division multiplexing (OFDM) transmissions. Moreover, we consider the use of an efficient, nonlinear power amplification. We analyze the nonlinear distortion effects associated with the power amplifier and show that the nonlinear distortion can be severe, preventing the use of conventional NOMA receivers. In that context, we propose a receiver that estimates and cancels the nonlinear distortion and enables the implementation of power-domain NOMA schemes in strongly nonlinear OFDM scenarios.

Original language	English
Title of host publication	2019 IEEE 90th Vehicular Technology Conference, VTC 2019 Fall - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781728112206
DOIs	https://doi.org/10.1109/VTCFall.2019.8891070
Publication status	Published - Sep 2019
Event	90th IEEE Vehicular Technology Conference, VTC 2019 Fall - Honolulu, United States Duration: 22 Sep 2019 → 25 Sep 2019

Publication series

Name	IEEE Vehicular Technology Conference
Publisher	Institute of Electrical and Electronics Engineers Inc.
Volume	2019-September
ISSN (Print)	1550-2252

Conference

Conference	90th IEEE Vehicular Technology Conference, VTC 2019 Fall
Country	United States
City	Honolulu
Period	22/09/19 → 25/09/19

Keywords

NOMA
Nonlinear distortion effects
OFDM
Performance evaluation
Receiver design

Access to Document

10.1109/VTCFall.2019.8891070

Cite this

Guerreiro, J., Dinis, R., Montezuma, P., & Da Silva, M. M. (2019). Nonlinear effects in NOMA signals: Performance evaluation and receiver design. In 2019 IEEE 90th Vehicular Technology Conference, VTC 2019 Fall - Proceedings [8891070] (IEEE Vehicular Technology Conference; Vol. 2019-September). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VTCFall.2019.8891070

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keywords = "NOMA, Nonlinear distortion effects, OFDM, Performance evaluation, Receiver design",

author = "Jo{\~a}o Guerreiro and Rui Dinis and Paulo Montezuma and {Da Silva}, {Mario Marques}",

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doi = "10.1109/VTCFall.2019.8891070",

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Guerreiro, J, Dinis, R , Montezuma, P & Da Silva, MM 2019, Nonlinear effects in NOMA signals: Performance evaluation and receiver design. in 2019 IEEE 90th Vehicular Technology Conference, VTC 2019 Fall - Proceedings., 8891070, IEEE Vehicular Technology Conference, vol. 2019-September, Institute of Electrical and Electronics Engineers Inc., 90th IEEE Vehicular Technology Conference, VTC 2019 Fall, Honolulu, United States, 22/09/19. https://doi.org/10.1109/VTCFall.2019.8891070

Nonlinear effects in NOMA signals: Performance evaluation and receiver design. / Guerreiro, João; Dinis, Rui ; Montezuma, Paulo; Da Silva, Mario Marques.

2019 IEEE 90th Vehicular Technology Conference, VTC 2019 Fall - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. 8891070 (IEEE Vehicular Technology Conference; Vol. 2019-September).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Non-orthogonal multiple access (NOMA) is being considered a key technology for 5G systems. In this work, we consider power-domain NOMA schemes for downlink orthogonal frequency-division multiplexing (OFDM) transmissions. Moreover, we consider the use of an efficient, nonlinear power amplification. We analyze the nonlinear distortion effects associated with the power amplifier and show that the nonlinear distortion can be severe, preventing the use of conventional NOMA receivers. In that context, we propose a receiver that estimates and cancels the nonlinear distortion and enables the implementation of power-domain NOMA schemes in strongly nonlinear OFDM scenarios.

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KW - Nonlinear distortion effects

KW - OFDM

KW - Performance evaluation

KW - Receiver design

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Nonlinear effects in NOMA signals: Performance evaluation and receiver design

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