对于重叠时间域的剪切噪声补偿,多重复向低峰到平均功率比率
Chongda Huang1,2, Qianzhen Zhang1, Xiaoyuan Li1
1National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu 611731, China.
Sensors (Basel, Switzerland)
|March 13, 2024
概括
叠加的时间域多重复合 (OvTDM) 系统由于剪切扭曲而面临性能下降. 本研究引入了一种代接收机方案,以减轻剪切噪声,提高OvTDM传输性能.
科学领域:
- 光学通信是指光学通信的应用.
- 信号处理 信号处理
- 信息理论是信息理论.
背景情况:
- 叠加时间域多重复合 (OvTDM) 使用叠加编码调制 (SCM) 实现高速传输和物理层安全.
- 在OvTDM中,一个重要的挑战是高峰到平均功率比率 (PAPR),通常通过振幅剪切来管理.
- 剪切引入接收器的非线性扭曲,降低了整体系统性能.
研究的目的:
- 为重叠时间域多重复合 (OvTDM) 提出和评估一个代接收器方案.
- 为了减轻由OvTDM系统中的振幅剪切引起的非线性扭曲.
- 提高OvtDM系统的传输性能,同时管理PAPR.
主要方法:
- 在接收机上开发一个代信号处理方案.
- 预估和部分取消剪切引起的扭曲.
- 分析拟议方案对PAPR优化和绩效的影响.
主要成果:
- 提出的代方案有效地减轻了剪切噪音的影响.
- 该方法最大限度地降低了与PAPR优化相关的性能成本.
- 在振幅剪切下,OvtDM系统的传输性能得到了显著改善.
结论:
- 开发的代接收器方案提供了一个可行的解决方案,以对抗OvTDM的剪切扭曲.
- 这种方法提高了OvtDM在高速数据传输中的稳定性和效率.
- 这些发现有助于推进用于安全和高容量通信系统的OvTDM技术.
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