Improved Technique of PAPR Reduction Combined Pre-distortion in OFDM Systems

DOI

10.2991/csss-14.2014.163How to use a DOI?

Keywords

predistortion; PAPR reduction; OFDM; power amplifier;

Abstract

Orthogonal Frequency Division Multiplexing (OFDM) is an effective parallel multi-carrier transmission scheme. However, this technique has one weakness of a higher transmission signal Peak to Average Power Ratio (PAPR) when the signal is transmitted. To reduce the impact of High Power Amplifier (HPA) nonlinearity on OFDM system, this paper proposes the combination of improved clipping and filtering method and based on digital pre-distortion lookup table reduce the peak to average ratio of OFDM and improve the BER performance of the power amplifier in pre-distortion system and the effectiveness of HPA. The simulation results show there is a certain relationship between the PAPR reduction techniques and HPA linearization techniques.

Copyright

© 2014, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Luo Zhinian
AU  - Shi Jian
PY  - 2014/06
DA  - 2014/06
TI  - Improved Technique of PAPR Reduction Combined Pre-distortion in OFDM Systems
BT  - Proceedings of the 3rd International Conference on Computer Science and Service System
PB  - Atlantis Press
SP  - 701
EP  - 704
SN  - 1951-6851
UR  - https://doi.org/10.2991/csss-14.2014.163
DO  - 10.2991/csss-14.2014.163
ID  - Zhinian2014/06
ER  -