IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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New digital predistortion technique of RF power amplifiers for wideband OFDM signals
Jinho Jeong
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2012 Volume 9 Issue 5 Pages 326-332

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Abstract

A new digital predistortion (DPD) technique is presented for the linearization of RF power amplifiers (PAs) for wideband orthogonal frequency division multiplexing (OFDM) signals. The proposed DPD technique employs the phase correction term to compensate for the frequency dependent AM-PM distortion of PAs, considering the wide bandwidth of OFDM signal. The simulation shows that the proposed DPD technique can significantly improve the error vector magnitude (EVM) performance of RF PAs.

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© 2012 by The Institute of Electronics, Information and Communication Engineers
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