Multi-block Sparse Bayesian learning channel estimation for OFDM underwater acoustic communication based on fractional Fourier transform

S Jia, S Zou, X Zhang, D Tian, L Da - Applied Acoustics, 2022 - Elsevier
In OFDM underwater acoustic communication, according to the sparse characteristics of
underwater acoustic communication channel in the time domain, sparse Bayesian learning …

Underwater acoustic channel estimation based on sparse Bayesian learning algorithm

S Jia, S Zou, X Zhang, L Da - IEEE Access, 2023 - ieeexplore.ieee.org
The channel estimation algorithm based on sparse Bayesian learning proposed in recent
years shows better performance than the traditional channel estimation algorithm by …

A joint physical layer encryption and PAPR reduction scheme based on polar codes and chaotic sequences in OFDM system

X Lu, Y Shi, W Li, J Lei, Z Pan - IEEE Access, 2019 - ieeexplore.ieee.org
Channel coding and security are important in a communication system. The 5th generation
(5G) mobile communication networks call for higher requirements of new coding …

Low-complexity PAPR reduction scheme combining multi-band Hadamard precoding and clipping in OFDM-based optical communications

P Miao, P Chen, Z Chen - Electronics, 2018 - mdpi.com
In this paper, we propose a low-complexity peak-to-average power ratio (PAPR) reduction
scheme that combines both multi-band (MB)-Hadamard precoding and clipping for the …

SER analysis and joint optimization in nonlinear MIMO-OFDM systems with clipping

Y Du, L Hao, Y Lei - 2023 IEEE 97th Vehicular Technology …, 2023 - ieeexplore.ieee.org
Signal clipping is one of the most efficient signal peak-to-average power ratio (PAPR)
reduction schemes for MIMO-OFDM receivers. It significantly reduces the nonlinear …

Clipping noise recovery of OTFS signals using reliability-based compressed sensing

S Gao, J Zheng - IEEE Transactions on Vehicular Technology, 2021 - ieeexplore.ieee.org
In this correspondence, an efficient clipping noise recovery method using reliability-based
compressed sensing (CS) is proposed for orthogonal time frequency space modulation with …

Iterative clipping noise elimination of clipped and filtered SCMA-OFDM system

L Yang, X Lin, X Ma, S Li - IEEE Access, 2018 - ieeexplore.ieee.org
Similar to conventional orthogonal frequency division multiplexing (OFDM) signal, the
signals of sparse code multiple access combine with orthogonal frequency division …

Dynamic power splitting simultaneous wireless information and power transfer split receiver for wireless sensor networks

A Esse, K Abdullah, MH Habaebi, HAM Ramli - IEEE Access, 2021 - ieeexplore.ieee.org
Simultaneous wireless information and power transfer (SWIPT) presents a genuine
opportunity toward achieving sustainable low-energy wireless devices. This paper …

Iterative compensation for clipping noise in spatial modulation OFDM systems

Y Zhao, Y Xiao, P Yang, S Fang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Clipping is an effective technique to adjust the peak-to-average power ratio (PAPR) of
spatial modulation (SM) orthogonal frequency-division multiplexing (OFDM) systems. In this …

[PDF][PDF] OFDM 系统中基于压缩感知的非线性失真恢复研究

赵辉, 莫谨荣, 王薇, 孙振江, 张天骐 - 电子与信息学报, 2021 - jeit.ac.cn
正交频分复用系统(OFDM) 的高峰均比(PAPR) 问题降低了系统传输效率, 增加了解调难度,
使高功率放大器(HPA) 满负载工作. 该文针对削波与HPA 引入的非线性失真问题 …