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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機資訊學院學士班 > 會議論文 >  8B/10B Codec for Efficient PAPR Reduction in OFDM Communication Systems

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/41872

    Title: 8B/10B Codec for Efficient PAPR Reduction in OFDM Communication Systems
    Authors: Jenming Wu;Yu-Ho Hsu
    教師: 吳仁銘
    Date: 2005
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: Wireless Networks, Communications and Mobile Computing, 2005 International Conference on Volume 2, 16-16 June 2005,Page(s) 1198 - 1201
    Keywords: OFDM
    Abstract: © 2005 Institute of Electrical and Electronics Engineers - High peak-to-average power ratio (PAPR) of the transmitted signal is a major drawback of orthogonal frequency division multiplexing (OFDM) communication systems. The PAPR reduces the power efficiency of the RF high power amplifier (HPA) in the transmitter and causes distortion in the system. In this paper, we propose a new PAPR reduction method, which uses a DC-balanced 8B/10B code in the time domain of OFDM system to reduce PAPR. The simulation result shows that the proposed method can reduce the peak PAPR value of a 16 sub-carrier OFDM system utilizing QPSK modulation to 7.4dB. The theoretical peak PAPR for the same system would be 12dB. Moreover, the proposed method has very low complexity and the complexity does not increase as the number of OFDM subcarriers increases.
    URI: http://www.ieee.org/
    Appears in Collections:[電機資訊學院學士班] 會議論文

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