A new PAPR reduction in OFDM-WLAN systems by hybrid algorithm of PTS and APPR methods

  title={A new PAPR reduction in OFDM-WLAN systems by hybrid algorithm of PTS and APPR methods},
  author={Chusit Pradabpet and Shingo Yoshizawa and Yoshikazu Miyanaga and Kobchai Dejhan},
  journal={2007 Asia-Pacific Conference on Communications},
In this paper, we propose a new PAPR reduction technique by a hybrid algorithm based on a partial transmit sequence (PTS) and adaptive peak power reduction (APPR) methods. This technique is used in a system based on orthogonal frequency division multiplexing (OFDM). OFDM has many orthogonally modulated subcarriers which unexpectedly give a large peak to average power ratio (PAPR) and tends to reduce the power efficiency of a RF amplifier. A sequence of input data is rearranged by PTS for the… CONTINUE READING


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