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An adaptive data predistorter for compensation of nonlinear distortion in OFDM systems

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3 Author(s)
Won Gi Jeon ; Dept. of Electron. Eng., Chungang Univ., Seoul, South Korea ; Kyung Hi Chang ; Yong Soo Cho

In this paper, an adaptive data predistortion technique which can compensate for the nonlinear effect of a TWT high-power amplifier (HPA) in orthogonal frequency-division multiplexing (OFDM) systems is proposed. It is shown that the convergence time and MSE of an adaptive data predistorter can be significantly reduced by using a broadcasting technique and by designing appropriate training signals

Published in:

IEEE Transactions on Communications  (Volume:45 ,  Issue: 10 )