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    A Low Complexity Peak-to-Average Power Ratio Reduction Scheme Using Gray Codes

    Kazemian, Mohsen and Varahram, Pooria and Hashim, Shaiful Jahari Bin and Ali, Borhanuddin Mohd and Farrell, Ronan (2016) A Low Complexity Peak-to-Average Power Ratio Reduction Scheme Using Gray Codes. Wireless Personal Communications, 88 (2). pp. 223-239. ISSN 0929-6212

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    A low-complexity peak-to-average power ratio (PAPR) reduction scheme in an orthogonal frequency division multiplexing system is proposed. The proposed scheme utilizes a new phase sequence based on a gray code structure and a similarity measurement block. Due to the ordered phase sequences, a noteworthy reduction capacity is obtained in terms of the number of multiplication and addition operations and the side information. Simulations are performed with quadrature phase shift keying modulation and a Saleh model power amplifier. The proposed scheme offers a significant PAPR reduction and bit error rate performance at approximately the same total complexity compared to the conventional partial transmit sequence and the enhanced partial transmit sequence (EPTS) techniques. The results show that at the same PAPR reduction, this scheme provides a complexity reduction of at least 42.3 % over that of the EPTS technique.

    Item Type: Article
    Additional Information: Cite this article as: Kazemian, M., Varahram, P., Hashim, S.J.B. et al. Wireless Pers Commun (2016) 88: 223.
    Keywords: BER; OFDM; PAPR; PTS; Gray code;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 9576
    Identification Number:
    Depositing User: Ronan Farrell
    Date Deposited: 20 Jun 2018 15:55
    Journal or Publication Title: Wireless Personal Communications
    Publisher: Springer
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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