Criterion for reducing error rate degradation by nonlinear amplifier for multicarrier transmission

Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

One of the drawbacks of multicarrier transmission schemes is that the transmitted signals have high peak-to-average power ratio (PAPR). When PAPR of the signal is larger than the input-back off (IBO) of the high power amplifier (HPA), signal powers larger than the saturation threshold of the HPA cause the saturation events so that the error rate performance is degraded. To improve the error-rate performance degraded by the nonlinear distortion, not only the signal power above the saturation threshold but also the interval of the signals causing the saturation events at HPA should be reduced. In this paper, we propose the total exceeding power (TEP) as a new criterion for improving the error rate performance degraded by the nonlinear amplifier for multicarrier transmission.

Original languageEnglish
Pages (from-to)3057-3061
Number of pages5
JournalIEICE Transactions on Communications
VolumeE88-B
Issue number7
DOIs
Publication statusPublished - 2005 Jul

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Power amplifiers
Degradation
Nonlinear distortion

Keywords

  • Multi-carrier transmission
  • Nonlinear distortion
  • Peak power problem

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Criterion for reducing error rate degradation by nonlinear amplifier for multicarrier transmission. / Takyu, Osamu; Ohtsuki, Tomoaki; Nakagawa, Masao.

In: IEICE Transactions on Communications, Vol. E88-B, No. 7, 07.2005, p. 3057-3061.

Research output: Contribution to journalArticle

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