PAPR optimization based on SLM and PTS algorithms in NC-OFDM systems

Jie ZHOU; Bernardo Esono Esono Mikue; Xueying WANG; Huiting ZHOU; Hong LUO

doi:10.11959/j.issn.1000-0801.2022155

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PAPR optimization based on SLM and PTS algorithms in NC-OFDM systems

Research and Development | 更新时间：2024-06-05

- PAPR optimization based on SLM and PTS algorithms in NC-OFDM systems
- Telecommunications Science Vol. 38, Issue 7, Pages: 63-74(2022)
- 作者机构：
  
  1. 南京信息工程大学电子与信息工程学院，江苏南京 210044
  2. 南京信息工程大学图书馆，江苏南京 210044
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2022155
  CLC： TP319
- Published Online：2022-07，
  
  Published：20 July 2022
- 稿件说明：
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Jie ZHOU, Bernardo Esono Esono Mikue, Xueying WANG, et al. PAPR optimization based on SLM and PTS algorithms in NC-OFDM systems[J]. Telecommunications science, 2022, 38(7): 63-74.
DOI：

Jie ZHOU, Bernardo Esono Esono Mikue, Xueying WANG, et al. PAPR optimization based on SLM and PTS algorithms in NC-OFDM systems[J]. Telecommunications science, 2022, 38(7): 63-74. DOI： 10.11959/j.issn.1000-0801.2022155.

摘要

基于非连续正交频分复用（non-continuous orthogonal frequency division multiplexing，NC-OFDM）模型，提出和研究了选择映射（selected mapping，SLM）算法和部分传输序列（partial transmit sequence，PTS）算法，及其SLM-PTS融合优化技术，设计了融合模型和改进流程。仿真结果与其他文献方法进行了对比，验证了SLM-PTS的融合具有优秀的峰值平均功率比（peak to average power ratio，PAPR）降低能力，但缺点是算法实现复杂度过高。因此，又进一步提出了互补型映射和限幅的联合算法（SLM-Clipping）融合解决方案，并利用深度学习方法建立PAPRnet模型。仿真结果验证了此算法对NC-OFDM系统具有PAPR良好的抑制效果，而且能够提高仿真运算效率。

Abstract

Based on the non-continuous orthogonal frequency division multiplexing (NC-OFDM) model

a fusion optimization technology based on selected mapping (SLM) algorithm and partial transmit sequence (PTS) algorithm was proposed

and a system model of fusion technology was designed.Through simulation comparison with other literature methods

it was verified that the SLM-PTS fusion technology had excellent peak to average power ratio (PAPR) reduction ability

but the algorithm implementation complexity was too high.Therefore

a complementary SLM-Clipping fusion solution was proposed

and the deep learning method PAPRnet model was construted.The simulation results verif that prove the effectiveness of the method

the algorithm has an excellent PAPR suppressed effect on the NC-OFDM system

and greatly improves the computational efficiency.

关键词

Keywords

references

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