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Performance of Sub-optimal Searching Algorithms on PTS Phase Selections for PAPR Reduction

  • Jyh-Horng Wen
  • Fang-Yu Chang
  • Yung-Fa Huang
  • Hsing-Chung Chen
  • Zon-Yin Shae
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 971)

Abstract

The conventional partial transmit sequence (PTS) technique can provide good peak-to-average power ratio (PAPR) reduction performance for orthogonal frequency division multiplexing (OFDM) signals; however, determining the optimal phase factors requires an exhaustive search over all possible sets of phase factors, the search complexity of the original PTS method increases exponentially with the number of the sub-blocks and is extremely high for a larger number of sub-blocks. In this paper, we defined a new phase factor, and then proposed two algorithms to reduce search complexity and to improve the performance.

Keywords

OFDM Peak-to-average power ratio Partial transmit sequence Phase factor Search complexity 

Notes

Acknowledgment

This work was funded in part by Ministry of Science and Technology of Taiwan under Grant MOST 106-2632-E-468-003, MOST 106-2632-E-468-003 and MOST 106-2221-E-324-020.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Electrical EngineeringTunghai UniversityTaichungTaiwan
  2. 2.Department of Electrical EngineeringNational Chung Cheng UniversityChiayiTaiwan
  3. 3.Department of Information and Communication EngineeringChaoyang University of TechnologyTaichungTaiwan
  4. 4.Department of Computer Science and Information EngineeringAsia UniversityTaichungTaiwan

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