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A method of Markov channel modeling for reentry dynamic plasma sheath

机译:再入动态等离子体鞘的马尔可夫通道建模方法

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摘要

In order to investigate the effect of dynamical plasma sheath on communication signals, this paper proposes band finite-state Markov channel model to represent the dynamic plasma effect on signals at Ka band. First, the amplitude attenuation characteristics induced by dynamic plasma are calculated by Transmission Line Analogy method. Then the Ka band finite-state Markov channel model of dynamic plasma sheath is established according to the attenuation statistical characteristic and equal distance (ED) state partition method is proposed. Simulation results show that the first order statistical channel properties of the proposed channel model agree with the original attenuation data well. Finally, BER performance of typical telemetry, track and command (TT&C) signals under the established model is analyzed as well.
机译:为了研究动态等离子体鞘对通信信号的影响,提出了一种频带有限状态马尔可夫信道模型来表示动态等离子体对Ka波段信号的影响。首先,通过传输线类比法计算由动态等离子体引起的振幅衰减特性。然后根据衰减统计特性建立了动态​​等离子鞘管的Ka带有限状态马尔可夫信道模型,并提出了等距(ED)状态分配方法。仿真结果表明,该信道模型的一阶统计信道特性与原始衰减数据吻合良好。最后,还分析了所建立模型下典型遥测,跟踪和指挥(TT&C)信号的BER性能。

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