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一个简短的参考差异化混沌转换密钥 基于修改的代码索引调制的合作通信系统
Bin Yu1,2,3, Hua Yang4, Yaqiong Jia1,3
1School of Electrical Information Engineering, Hunan Institute of Technology, Hengyang 421002, China.
Entropy (Basel, Switzerland)
|June 26, 2025
概括
一个新的合作通信系统,即修改的代码索引调制-短参考差异混沌转移键 (MCIM-SR-DCSK-CC) 增强了数据传输. 与现有方法相比,该系统可以提高能源效率和数据速率.
科学领域:
- 无线通信无线通信
- 信息理论 信息理论
- 信号处理 信号处理
背景情况:
- 合作通信系统可以提高无线网络的可靠性和覆盖范围.
- 短参考差异混沌转移密钥 (SR-DCSK) 提供了光谱效率优势.
- 代码指数调制 (CIM) 是一种提高通信系统数据速率的技术.
研究的目的:
- 提出一种新的合作通信系统,即MCIM-SR-DCSK-CC系统.
- 通过与SR-DCSK集成修改代码索引调制来增强数据传输能力.
- 在比特错误率,能源效率和数据速率方面分析拟议系统的性能.
主要方法:
- 在第一个时段中,信息位被传输到继电器和目的地.
- 继电器转发信息位,并在第二个时间段中使用修改的代码索引调制传输额外的位.
- 理论比特误差率 (BER) 表达式用于增量白色高斯噪声 (AWGN) 和多路径雷利色变频道.
主要成果:
- 对BER性能的模拟结果与衍生的理论表达式保持一致.
- 与现有系统相比,MCIM-SR-DCSK-CC系统表现出卓越的性能.
- 分析证实了能源效率,数据速率和传输吞吐量方面的改进.
结论:
- 拟议的MCIM-SR-DCSK-CC系统比传统方法提供了显著的性能提升.
- 整合修改的代码索引调制有效地提高了数据承载能力.
- 该系统为未来的无线通信网络提供了有希望的解决方案,这些网络寻求更高的效率和数据速率.
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