Satellite communications links' energy capacities required to provide interference immunity receiving of phase shift keyed signals in case of non-linear transponder

Proceedings of International Conference on Satellite Communications. ICSC'94 Pub Date : 1994-10-18 DOI:10.1109/ICSC.1994.523110

N.I. Kobin, A.U. Seryoghin, D.V. Matiukhin

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Abstract

The performance of satellite communications links with digital signals operating through a transponder with a non-linear input-output power and phase-input power relationships is considered. It is possible to simplify the calculations of the effects of the link signals interaction in their passage through the transponder if the pair of weight functions of the non-linear input-output power and phase-input power relationships are used for interpolation of the non-linearity. Taking into account that the signals at the input of the earth station decisive units are represented in the form of the sum of components with known probability density functions and changing the order of the averaging over the random signals' parameters in calculating the error probability, the estimations of the signal probability density function characteristics at the decisive unit input are obtained. The relationship of one binary symbol error versus transmitting signal power in this link when the power of the other links is also determined.

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在非线性转发器情况下，提供相移键控信号的抗干扰接收所需的卫星通信链路能量容量

考虑了具有非线性输入输出功率和相位输入功率关系的转发器运行的数字信号卫星通信链路的性能。如果利用非线性输入输出功率关系和相位输入功率关系的权函数对非线性进行插值，则可以简化链路信号在其通过应答器时相互作用影响的计算。考虑到地面站决策单元输入信号以已知概率密度函数的分量和的形式表示，在计算误差概率时改变随机信号参数的平均顺序，得到了决策单元输入信号概率密度函数特征的估计。当其他链路的功率也确定时，该链路中一个二进制符号误差与发射信号功率的关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of International Conference on Satellite Communications. ICSC'94

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