Peak-to-average power ratio reduction algorithm in generalized frequency division multiplexing system

被引：0
|
作者：
Ning X. [1 ]
Liu C. [1 ]
Chen X. [1 ]
Wang Z. [1 ]
机构：
[1] College of Information and Communication Engineering, Harbin Engineering University, Harbin
来源：
Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University | 2024年 / 45卷 / 04期
关键词：
bit error rate; clipping; complexity; generalized frequency division multiplexing; out-of-band radiation; partial transmit sequences; peak-to-average power ratio; peak-to-average power ratio reduction subcarriers;
D O I：
10.11990/jheu.202204004
中图分类号：
学科分类号：
摘要：
To reduce the inherent peak-to-average power ratio (PAPR) problem in a generalized frequency division multiplexing (GFDM) system, this study proposes the PAPR reduction subcarrier (PRSC) algorithm, which is suitable for the GFDM system. Building upon the clipping algorithm, the proposed algorithm reduces the PAPR of the GFDM system. Different from the clipping algorithm, the PRSC algorithm minimally affects out-of-band and bit error rate performance. As the PAPR suppression performance of the PRSC algorithm is slightly worse than that of the clipping algorithm, this study also proposes an algorithm that combines partial transmit sequence and PRSC to further reduce the PAPR of the system. The simulation results show that this combined algorithm achieves the same level of PAPR reduction as the clipping algorithm, and the out-of-band and bit error rate performance of the system are unaffected. © 2024 Editorial Board of Journal of Harbin Engineering. All rights reserved.
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页码：794 / 799
页数：5
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