Techniques for PAPR Reduction in OFDM Systems

Abstract:

Orthogonal Frequency Division Multiplexing (OFDM) has been focused on in high-data-rate wireless communication research. But the high Peak-to-Average Power Ratio (PAPR) is one of the main obstacles to limit wide applications of OFDM. In this paper, based on the definition of the PAPR in OFDM systems, these techniques on PAPR reduction are presented, including signal distortion, signal scrambling, and block coding. The advantages and disadvantages of these techniques are discussed in detail and some performances are achieved by Monte Carlo simulations.

• Periodical: Advanced Materials Research (Volumes 443-444)
• Pages: 340-346
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.443-444.340
• Online since: January 2012
• Authors: Lin Chen, Xue Long Hu
• Keywords: Block Coding, Orthogonal Frequency Division Multiplexing (OFDM), PAPR, Signal Distortion, Signal Scrambling

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