Analysis of the space-polarization structure of the field near the antenna of mobile terminal

M. Protsenko, S. Siden
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引用次数: 0

Abstract

One of the basic problems of all mobile communication system, which is transmission of signal via radio channel, is discussed. In urban conditions, this channel is characterized by multipath propagation. As a result, the field at the receiving point is of complex spatial-polarization structure, which reduces the power induced in a receive antenna and, accordingly, efficiency of the entire communication system. A mathematical model based on the n-ray propagation model is presented. Results of the elaborated simulation accounting for the polarization kind of radiated signal are presented. Boundaries for values of the power induced in antenna were found, as well as an additional gain given co-polarized reception at certain observation points. Based on these boundaries, requirements for optimal antenna systems, as well as algorithms for space-time processing, are formulated.
移动终端天线附近场的空间极化结构分析
讨论了所有移动通信系统的一个基本问题,即通过无线信道传输信号。在城市条件下,该信道具有多径传播的特点。因此,接收点处的场具有复杂的空间极化结构,从而降低了接收天线的感应功率,从而降低了整个通信系统的效率。提出了基于n射线传播模型的数学模型。给出了考虑极化类型辐射信号的详细仿真结果。发现了天线中感应功率值的边界,以及在某些观测点上给予共极化接收的附加增益。在此基础上,提出了优化天线系统的要求和时空处理算法。
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