一种新的PTS技术与侧面信息盲探测器基于最小化错误积累的PAPR减少编码的水下声学OFDM系统中的错误积累
Siyu Xing1, Bo Wei1, Yanting Yu1,2
1State Key Laboratory of Physical Oceanography, Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao 266100, China.
Sensors (Basel, Switzerland)
|September 27, 2025
概括
一种新的部分传输序列 (PTS) 技术改善了水下声学 (UWA) OFDM系统的峰值与平均功率比 (PAPR). 这种方法使用错误积累来检测盲边信息,提高比特错误率 (BER) 的性能.
科学领域:
- 电气工程 电气工程
- 海洋工程 海洋工程
- 信号处理 信号处理
背景情况:
- 由于复杂的通道条件,水下声学 (UWA) 通信系统面临着挑战.
- 正角频率分割复杂化 (OFDM) 用于强大的数据传输.
- 频道编码对于UWA-OFDM系统中可靠的信息传输至关重要.
研究的目的:
- 提出一种新的部分传输序列 (PTS) 技术,用于在编码的UWA-OFDM系统中减少PAPR.
- 引入侧信息 (SI) 盲检测器,以最大限度地减少错误的积累.
- 为了提高系统性能,而不需要专门的SI传输符号.
主要方法:
- 开发了一种PTS技术,其中包含一个盲目SI探测器.
- 利用从通道编码中固有的比特错误积累作为指示向量.
- 启用了权重相位因子向量序列指数的自主识别.
主要成果:
- 拟议的技术消除了对SI传输符号的需求,与传统的PTS (C-PTS) 不同.
- 显著降低了由不正确的SI引起的大规模位错误的概率.
- 与C-PTS相比,比特错误率 (BER) 性能大约提高了一级.
结论:
- 新的PTS技术有效地减少了UWA-OFDM系统中的PAPR.
- 提高系统带宽利用率和通信效率.
- 确保实时性能对于水下声通信 (UAC) 应用至关重要.
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