混合FSK-FDM方案用于双功能雷达和通信中的数据速率提升
Muhammad Fahad Munir1, Abdul Basit1, Wasim Khan1
1Department of Electrical & Computer Engineering, International Islamic University, Islamabad 44000, Pakistan.
Sensors (Basel, Switzerland)
|July 8, 2023
概括
本研究介绍了用于双功能雷达和通信 (DFRC) 系统的混合频率转换键和频率分割多重复合 (FSK-FDM) 方法. 这种新的方法使通信数据速率翻了一番,改善了任何雷达区域的接收器的比特率和错误率.
科学领域:
- 电气工程 电气工程
- 信号处理 信号处理
- 无线通信无线通信
背景情况:
- 现有的双功能雷达和通信 (DFRC) 系统通常使用振幅调制 (AM) 或相调制 (PM) 来嵌入数据.
- 这些传统方法通常可以实现每脉冲重复间隔 (PRI) 的两位传输.
- AM适用于侧叶区域的接收器,而PM在主叶区域表现更好.
研究的目的:
- 为 DFRC 提出一种新的混合频率转换键和频率分割多重复合 (FSK-FDM) 技术.
- 显著提高通信数据速率超出现有方法.
- 为了确保在雷达主或侧叶区域内无论接收器位置如何,都能提高性能.
主要方法:
- 信息是使用基于传输的波形和频率的频率转移密钥 (FSK) 调制来编码的.
- 多个FSK调制的符号使用频率分割复杂化 (FDM) 组合在一起.
- 这种混合FSK-FDM方法创建复合符号,有效地将数据速率翻一番.
主要成果:
- 拟议的FSK-FDM技术成功地使DFRC系统中的通信数据速率翻了一番.
- 它实现了改进的比特速率 (BR) 和比特错误率 (BER) 性能.
- 该方法对位于雷达主叶和侧叶区域的接收器证明了有效性.
结论:
- 混合FSK-FDM方法为DFRC中信息嵌入提供了一种卓越的方法.
- 它为无线通信的数据传输效率提供了显著的提高.
- 模拟结果验证了拟议技术的有效性和优势.
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