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Method of and system for optimizing the capacity of a digital communication system in presence of both internal and external noise

机译:在存在内部和外部噪声的情况下优化数字通信系统容量的方法和系统

摘要

A method of optimizing a communication system for receiving and processing an input communication signal includes selecting a first noise margin m to be applied against an external noise present on the input communication signal. The method further includes selecting a second noise margin mi to be applied against an internal noise introduced on the communications signal by the communication system. The second noise margin is a predetermined function of the first noise margin. The method also includes calculating a virtual noise to signal ratio that is a combination of an external noise to signal ratio NSRe, an internal noise to signal ratio NSRi, the first noise margin and the second noise margin. The method further includes adjusting one or more system parameters so as to maintain the virtual noise to signal ratio at a predetermined margin above a required noise to signal ratio.
机译:一种优化用于接收和处理输入通信信号的通信系统的方法,包括选择第一噪声容限m来应对输入通信信号上存在的外部噪声。该方法还包括选择第二噪声容限m i 来应对通信系统在通信信号上引入的内部噪声。第二噪声容限是第一噪声容限的预定函数。该方法还包括计算虚拟噪声与信号之比,该虚拟噪声与信号之比是外部噪声与信号之比NSR e ,内部噪声与信号之比NSR i 的组合。噪声容限和第二噪声容限。该方法还包括调节一个或多个系统参数,以将虚拟噪声与信号之比维持在所需噪声与信号之比之上的预定余量。

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