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在ISAC场景中对OCDM的性能分析

Pengfei Xu^1,2, Mao Li³, Tao Zhan³

¹School of Telecommunications Engineering, Xidian University, Xi'an 710071, China.

Sensors (Basel, Switzerland)

|September 13, 2025

概括

坐标切片分割多重复合 (OCDM) 为集成传感和通信 (ISAC) 系统提供了强大的通信和高效的传感. OCDM与OFDM的匹配情况

科学领域:

电气工程电气工程
信号处理信号处理
电信电信服务电信服务电信服务

背景情况:

物联网 (IoT) 推动了对可靠通信和传感的需求.
在复杂的环境中,直角频率分割多重复合 (OFDM) 面临着局限性.
坐标切割分离多重复合 (OCDM) 对集成传感和通信 (ISAC) 有希望.

研究的目的:

在ISAC中理论分析OCDM的通信和传感性能.
为了评估OCDM的比特错误率 (BER) 和传感检测能力.
在具有挑战性的通信场景中,将OCDM与OFDM进行比较.

主要方法:

在等式化下为OCDM的封闭形式BER表达式的导出.
对OCDM传感的模糊函数的分析.
使用匹配过器 (MF) 和通用概率测试 (GLRT) 探测器的检测性能评估,具有恒定错误报警率 (CFAR) 标准.

主要成果:

OCDM实现了与OFDM相比较的传感性能.
在复杂的环境中,OCDM表现出卓越的通信稳定性.
理论分析为ISAC中的OCDM提供了一个框架.

结论:

对于ISAC来说,OCDM是一种可行的波形,它提供了通信稳定性和传感性能的平衡.
在未来的ISAC系统中,OCDM为OFDM提供了一个有利的替代方案.
进一步探索OCDM的传感机制是有必要的.

关键词:

综合传感和通信 (ISAC) 系统交叉曲线分割多重复合 (OCDM) 是一个非常简单的方法.正对角频率分割多重复合 (OFDM) 是一种技术.

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