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    Post-Compensation of RF Non-Linearity in Mobile OFDM Systems by Estimation of Memory-less Polynomial

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    Author
    Guo, Yuanbin; Cavallaro, Joseph R.
    Date
    2002-02-10
    Abstract
    The high peak-to-average-power-ratio (PAPR) of OFDM systems introduces inevitable non-linear distortion in the transmitter and causes both in-band distortion and out-of-band spectrum re-growth. In this paper we propose a novel scheme to compensate for the non-linearity of RF transmitters with solid-state-power-amplifiers (SSPA) in OFDM by Least Square (LS) estimation of the nonlinear parameters modeled by memory-less polynomials. The compensation is easily achieved by subtracting the higher-order polynomials of the input from the RF output. Simulation results for spectrum masking as well as the BER curve in 16-QAM OFDM show very stable and promising performance as well as simple implementation.
    Description
    Conference Paper
    Citation
    Y. Guo and J. R. Cavallaro, "Post-Compensation of RF Non-Linearity in Mobile OFDM Systems by Estimation of Memory-less Polynomial," vol. 1, 2002.
    Published Version
    http://dx.doi.org/10.1109/ISCAS.2002.1009816
    Keyword
    Post-compensation; Non-linearity; OFDM; RF; PAPR; More... Post-compensation; Non-linearity; OFDM; RF; PAPR Less...
    Type
    Conference paper
    Citable link to this page
    https://hdl.handle.net/1911/19922
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    • ECE Publications [1468]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map