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Criterion for Reducing Error Rate Degradation by Nonlinear Amplifier for Multicarrier Transmission

Osamu TAKYU, Tomoaki OHTSUKI, Masao NAKAGAWA

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Summary :

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.

Publication
IEICE TRANSACTIONS on Communications Vol.E88-B No.7 pp.3057-3061
Publication Date
2005/07/01
Publicized
Online ISSN
DOI
10.1093/ietcom/e88-b.7.3057
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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