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SYSTEM FOR TESTING NAKAGAMI FADING CHANNEL AND VERIFICATION METHOD THEREOF

机译:Nakagami衰落信道测试系统及其验证方法

摘要

A system for testing a Nakagami fading channel and a verification method thereof are provided. The testing system includes a signal generator, a Nakagami fading channel simulator, and a computer. The signal generator is used to output a sine wave signal whose frequency is f and transmit the sine wave signal to the Nakagami fading channel simulator and the computer. The Nakagami fading channel simulator is used to generate a Nakagami fading channel. The computer is used to perform data processing and analysis. In the verification method, time domain fading characteristics, first-order statistics characteristics, and second-order statistics characteristics of the Nakagami fading channel are respectively verified. Verifying the time domain fading characteristics is verifying a waveform fluctuation rate and a fluctuation range on a time domain under different Nakagami fading factors. Verifying the first-order statistics characteristics is mainly verifying amplitude and phase distribution statistics characteristics of the Nakagami fading channel by means of Kolmogorov Smirnov (KS) hypothesis test. Verifying the second-order statistics characteristics is mainly verifying the shape and bandwidth of a power spectrum density function. In the present invention, verification on performance of the Nakagami fading channel simulator or a simulation model has features of accuracy and feasibility.
机译:提供了一种用于测试中上衰落信道的系统及其验证方法。该测试系统包括一个信号发生器,一个Nakagami衰落信道模拟器和一台计算机。信号发生器用于输出频率为f的正弦波信号,并将正弦波信号传输到Nakagami衰落信道模拟器和计算机。 Nakagami衰落信道模拟器用于生成Nakagami衰落信道。该计算机用于执行数据处理和分析。在验证方法中,分别验证了中神衰落信道的时域衰落特性,一阶统计特性和二阶统计特性。验证时域衰落特性是在不同Nakagami衰落因子下验证时域上的波形波动率和波动范围。验证一阶统计特性主要是通过Kolmogorov Smirnov(KS)假设检验来验证Nakagami衰落信道的幅度和相位分布统计特性。验证二阶统计特性主要是验证功率谱密度函数的形状和带宽。在本发明中,对中上衰落信道仿真器或仿真模型的性能进行验证具有准确性和可行性的特征。

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