Investigations on the effects of scatterers on the MIMO channel characteristics in LOS environment

LIU Lei-lei; HONG Wei

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Investigations on the effects of scatterers on the MIMO channel characteristics in LOS environment

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- Investigations on the effects of scatterers on the MIMO channel characteristics in LOS environment
- Vol. 30, Issue 2, Pages: 65-70(2009)
- 作者机构：
  
  东南大学毫米波国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.3
- Published：2009
- 稿件说明：
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LIU Lei-lei, HONG Wei. Investigations on the effects of scatterers on the MIMO channel characteristics in LOS environment[J]. 2009, 30(2): 65-70.
DOI：

LIU Lei-lei, HONG Wei. Investigations on the effects of scatterers on the MIMO channel characteristics in LOS environment[J]. 2009, 30(2): 65-70. DOI：

摘要

针对室外视距(LOS)传输情况下的MIMO信道

结合电磁散射分析研究了典型散射体对MIMO信道性能的影响。该模型考虑了实践中常用的微带天线

并推导出在传输路径外存在圆柱电磁散射体条件下MIMO信道矩阵的解析公式

应用该公式分析了MIMO信道容量和矩阵条件数等特征参量。仿真结果表明

该模型能够描述出不同参数下信道特性的变化

对实际MIMO系统的设计有一定的参考意义。

Abstract

The effects of scattering objects on MIMO（multiple input multiple output） channel characteristics in line-of-sight（LOS） environment were investigated.The study was focused on the outdoor LOS environment but with a scatterer.The analytical mathematical expressions were derived to describe the MIMO channel matrix

where the microstrip an-tennas and 2-D cylindrical scatterer were considered.The MIMO channel capacity and the condition number of the ma-trix were investigated.From the simulation results of the MIMO channel characteristics of the model

some suggestions for practical MIMO system design are proposed.

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