隧道内MIMO信道模型的研究
首发时间:2009-07-01
摘要:对MIMO衰落信道的精确描述是设计多天线无线系统非常重要的一个要求。在简介MIMO技术及建模理论的基础上,详细介绍了衰落相关性、射线跟踪以及几何特性这三种MIMO信道建模的方法,同时,比较了不同建模方法之间的异同。并给出在隧道内研究MIMO信道时,这些模型需要改进的地方。着重分析了统计性几何分析法研究MIMO信道模型时存在的问题。
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Research on MIMO channel model in tunnel
Abstract:It is a very important requirement to describe exactly the MIMO fading channel in the designing of multi-antenna wireless system. Based on providing MIMO technology and modeling theoretical, the three MIMO channel modeling methods of the decline of the relevance, ray-tracing and geometric characteristics are analyzed in details then compares the similarities and differences between different modeling methods. When to study the MIMO channel in the tunnel, these models are needed to improve further. It introduces emphatically problem when to build the MIMO channel model with the method of geometric characteristics.
Keywords: MIMO the decline of the relevance ray-tracing method geometric characteristics
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