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A combination of selected mapping and clipping to increase energy efficiency of OFDM systems

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  • Byung Moo Lee
  • You Seung Rim
  • Wonjong Noh

Abstract

We propose an energy efficient combination design for OFDM systems based on selected mapping (SLM) and clipping peak-to-average power ratio (PAPR) reduction techniques, and show the related energy efficiency (EE) performance analysis. The combination of two different PAPR reduction techniques can provide a significant benefit in increasing EE, because it can take advantages of both techniques. For the combination, we choose the clipping and SLM techniques, since the former technique is quite simple and effective, and the latter technique does not cause any signal distortion. We provide the structure and the systematic operating method, and show the various analyzes to derive the EE gain based on the combined technique. Our analysis show that the combined technique increases the EE by 69% compared to no PAPR reduction, and by 19.34% compared to only using SLM technique.

Suggested Citation

  • Byung Moo Lee & You Seung Rim & Wonjong Noh, 2017. "A combination of selected mapping and clipping to increase energy efficiency of OFDM systems," PLOS ONE, Public Library of Science, vol. 12(10), pages 1-25, October.
    • Handle: RePEc:plo:pone00:0185965
    DOI: 10.1371/journal.pone.0185965
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    References listed on IDEAS

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    1. Zaid Ahmed Shamsan & Abdulaziz M Al-hetar, 2016. "An Improved Mathematical Scheme for LTE-Advanced Coexistence with FM Broadcasting Service," PLOS ONE, Public Library of Science, vol. 11(11), pages 1-15, November.
    2. Amr M Elhelw & Ehab F Badran, 2015. "Semi-Blind Error Resilient SLM for PAPR Reduction in OFDM Using Spread Spectrum Codes," PLOS ONE, Public Library of Science, vol. 10(5), pages 1-12, May.
    3. Mau-Luen Tham & Chee-Onn Chow & Yi-Han Xu & Nordin Ramli, 2016. "Two-Level Scheduling for Video Transmission over Downlink OFDMA Networks," PLOS ONE, Public Library of Science, vol. 11(2), pages 1-15, February.
    4. Byung Moo Lee & Youngok Kim, 2016. "Design of an Energy Efficient Future Base Station with Large-Scale Antenna System," Energies, MDPI, vol. 9(12), pages 1-17, December.
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