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Markov modeling of slow fading in wireless mobile channels at 1.9 GHz

机译:1.9 GHz无线移动信道中慢衰落的Markov建模

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A Markov model is constructed for the slow-fade characteristics of a wireless mobile channel in a city environment at 1.9 GHz. A signal trace is first generated based on a prescribed driving pattern and a measurement database. This trace is then divided into states according to its magnitude and a state transition matrix is constructed by examining the frequency of state transitions. Our results show that the statistical properties including cumulative density function, level crossing rate, and power spectrum of the sequences generated from such Markov model are in good agreement with those of the original signal trace.
机译:针对城市环境中1.9 GHz的无线移动信道的慢衰落特性,构建了马尔可夫模型。首先基于预定的驱动模式和测量数据库生成信号轨迹。然后根据迹线的大小将其划分为状态,并通过检查状态转换的频率来构建状态转换矩阵。我们的结果表明,从此类马尔可夫模型生成的序列的统计特性(包括累积密度函数,能级交叉速率和功率谱)与原始信号轨迹的统计特性非常吻合。

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