多参数估计方法和封闭式解决方案研究,用于k-μ通道模型
Jie Tian1, Zhongqing Fan1, Zhengyu Ji1
1Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621999, China.
Sensors (Basel, Switzerland)
|July 11, 2023
概括
本研究引入了一种新的算法,用于估计k-μ色通道模型的参数,改善复杂场景中的无线性能分析. 该方法为现实世界的应用提供了准确的估计.
科学领域:
- 无线通信是一种无线通信.
- 信号处理 信号处理
- 统计建模 统计建模
背景情况:
- k-μ色通道模型对于分析复杂环境中的无线传输至关重要,包括非视线和移动目标的时间变化的条件.
- 精确估计k-μ色模型参数 (k 和 μ) 对于可靠的性能分析至关重要,但在现实场景中具有挑战性.
研究的目的:
- 为k-μ衰变通道模型提出一个新的多参数估计算法.
- 为在现实的无线通信场景中应用k-μ模型提供一个数学上可处理的框架.
- 为了使用封闭式解决方案准确估计k和μ参数.
主要方法:
- 开发了一种新的算法来估计k-μ色通道模型的参数.
- 对于k-μ衰减分布的动量生成函数的衍生式.
- 使用偶序时刻值比较方法来消除玛函数.
- 获得了两组不同顺序的时刻生成函数的解决方案模型.
- 采用蒙特卡洛模拟来生成通道数据样本以进行参数估计.
主要成果:
- 获得了三组闭式解决方案,用于估计k和μ参数.
- 通过模拟,证明了封闭式解决方案的理论和估计值之间的强烈一致.
- 评估了估计器的复杂性,在不同的参数设置下的准确性,以及在信号噪声比 (SNR) 下降的情况下的稳定性.
结论:
- 拟议的多参数估计算法为分析k-μ衰变通道模型提供了强大而准确的方法.
- 由此产生的封闭式解决方案可在各种无线通信场景中方便实际应用.
- 估计器的性能特征表明,基于对复杂性,准确性和SNR条件的特定要求,它们适用于各种现实应用.
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