均匀矩形阵列的三维空间衰落相关模型

周杰; 王益

doi:10.13568/j.cnki.651094.2017.01.009

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均匀矩形阵列的三维空间衰落相关模型

更新时间：2026-01-21

- 均匀矩形阵列的三维空间衰落相关模型
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 34, Issue 1, Pages: 44-48(2017)
- 作者机构：
  
  南京信息工程大学气象探测与信息处理重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.2017.01.009
  CLC： TN919.3
- Published：2017
- 稿件说明：
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[1]周杰,王益.均匀矩形阵列的三维空间衰落相关模型[J].新疆大学学报(自然科学版),2017,34(01):44-48.
[1]周杰,王益.均匀矩形阵列的三维空间衰落相关模型[J].新疆大学学报(自然科学版),2017,34(01):44-48. DOI： 10.13568/j.cnki.651094.2017.01.009.

DOI：10.13568/j.cnki.651094.2017.01.009.

摘要

为了更准确的分析三维空间(three-dimensional

3D)信号的链路损耗

本文建立了一种均匀矩形阵列(Uniform rectangular array

URA)的三维统计信道模型;给出了三维多径信道在均匀矩形阵列下的空间衰落相关函数封闭形式表达式.该式表明衰落相关函数与到达方位角(arrival of angle

AOA)、到达仰角(elevation of angle

EOA)及均匀阵列与天线之间距离和几何形状有关.计算机模拟仿真结果和理论结果吻合

方位扩展角(Azimuth spread

AS)是影响天线相关性的主要因素.本文最后的结论可以用在分析多输入多输出(Multipleinput multiple-output

MIMO)系统的容量

优化信道链路损耗模型

拓展天线阵列灵敏度的研究分析.

Abstract

For a more accurate analysis of signal loss in the three-dimensional(3D) model of the link loss

established a uniform rectangular array(URA) of three-dimensional statistical channel model

a closed-form expression for the spatial fading correlation function of a uniform rectangular arrays in a three-dimensional multi-path channel is derived. The fading correlation function is expressed in terms of both the azimuth angle and elevation angle of arrival as well as the antenna spacing and geometry of the URA. Verification by the computer is achieved by means of computer simulation where the theoretical and simulation results are shown to be in good agreement. Our results demonstrate that azimuth spread(AS) is the primary determinant of the antenna correlation and the impact of the elevation spread is mainly noticeable at low AS values. The results obtained in this letter are vital for capacity analysis in multiple-input multiple-output(MIMO) systems

also for optimized channel link loss model

as well as for sensitivity analysis of the antenna array under study.

关键词

Keywords

references

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