存在多径衰落和加性噪声时的QAM数字无线电中断概率

Eleventh Annual International Phoenix Conference on Computers and Communication [1992 Conference Proceedings] Pub Date : 1992-04-01 DOI:10.1109/PCCC.1992.200565

V. Kafedziski

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引用次数: 0

摘要

研究了在选择性衰落和加性噪声存在下正交调幅(QAM)数字无线电的性能特性。采用Rummler简化三径模型对多径衰落导致的中断概率进行预测。描述了用于表征传输介质的三路径模型。概述了停电计算的步骤。定义了一个数学模型，用于计算存在码间干扰和加性噪声时QAM系统的误差性能。给出了签名法和蒙特卡罗模拟的结果。

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QAM digital radio outage probability in the presence of multipath fading and additive noise

The results of investigations concerning the characterization of the performance of quadrature amplitude modulation (QAM) digital radio in the presence of selective fading and additive noise are presented. The prediction of outage probability due to multipath fading is accomplished by using Rummler's simplified three-path model. The three-path model for characterization of the transmission medium is described. The procedure of outage calculation is outlined. A mathematical model is defined that is used to calculate the error performance of QAM systems in the presence of intersymbol interference and additive noise. The results obtained by using both the method of signatures and Monte Carlo simulation are presented.<>

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Eleventh Annual International Phoenix Conference on Computers and Communication [1992 Conference Proceedings]

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