首页> 外文会议>World Multiconference on Systemics, Cybernetics and Informatics(SCI 2002) v.14: Image, Acoustic, Speech and Signal Processing III; 20020714-20020718; Orlando,FL; US >Optimum demodulation of digital signals in multipath channels for using of signals of rays separation by the phased antenna lattice
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Optimum demodulation of digital signals in multipath channels for using of signals of rays separation by the phased antenna lattice

机译:使用相控天线阵分离光线的信号时,多径信道中数字信号的最佳解调

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摘要

The linear space processing of signals by the phased antenna lattice causing to signals of different rays separation, and their further optimum only time coherent processing with account of additive correlated gaussian noise in the channel containing independent fluctuation and a concentrated component is considered. The expressions for error probability of demodulation and power gain of space-time processing of a field with signals of rays separation concerning processing in one space point by means of Klovsky-Nikolaev algorithm (KNA), taking into account an intersymbol interference in the channel are obtained. This gain will increase with growth of number of lattice elements and memory of the channel. Only these parameters determine a gain using only fluctuation noise in the channel. In more common case the gain depends on parameters of a noise.
机译:考虑了相控天线阵对信号的线性空间处理,从而导致不同的射线分离信号,并且考虑到包含独立涨落和集中分量的信道中的加性相关高斯噪声,进一步优化了仅时间相干处理。考虑到信道中的码间干扰,利用一个Klovsky-Nikolaev算法(KNA)在一个空间点进行处理的带有射线分离信号的场的时空处理的解调错误概率和功率增益的表达式为:获得。该增益将随着晶格元素数量和通道内存的增加而增加。仅这些参数仅使用通道中的波动噪声来确定增益。在更常见的情况下,增益取决于噪声参数。

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