基于改进的狭窄街道MIMO多散射信道模型分析

唐登洪; 周杰; 邵根富; 袁梅; 范倩莹

doi:10.11959/j.issn.1000-436x.2017207

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基于改进的狭窄街道MIMO多散射信道模型分析

学术通信 | 更新时间：2024-06-05

- 基于改进的狭窄街道MIMO多散射信道模型分析
- Analysis of a modified MIMO multi-bounced channel model for narrow street environment
- 通信学报 2017年38卷第10期页码：146-156
- 作者机构：
  
  1. 南京信息工程大学气象探测与信息处理重点实验室，江苏南京 210044
  2. 日本国立新泻大学工学部电气电子工学科，日本新泻 950-2181
  3. 杭州电子科技大学通信工程学院，浙江杭州 310000
- 作者简介：
  
  [ "唐登洪（1991-），男，江苏盐城人，南京信息工程大学硕士生，主要研究方向为无线通信理论、MIMO信道建模等。" ]
  [ "周杰（1964-），男，四川泸州人，南京信息工程大学教授、博士生导师，日本国立新泻大学访问教授，主要研究方向为移动通信理论、无线传感网络和无线接入网。" ]
  [ "邵根富（1962-），男，浙江宁波人，杭州电子科技大学教授，主要研究方向为无线通信理论、信号处理与自动控制等。" ]
  [ "袁梅（1992-），女，江苏南通人，南京信息工程大学硕士生，主要研究方向为移动通信理论、信号处理方法与技术等。" ]
  [ "范倩莹（1992-），女，陕西西安人，南京信息工程大学硕士生，主要研究方向为气候变化与预测、气象探测与信息处理等。" ]
- 基金信息：
  
  国家自然科学面上基金资助项目(61471153);江苏省高校自然科学重大基金资助项目(14KJA510001)
- DOI：10.11959/j.issn.1000-436x.2017207
  中图分类号： TN911.6
- 网络出版日期：2017-10，
  
  纸质出版日期：2017-10-25
- 稿件说明：
移动端阅览
唐登洪, 周杰, 邵根富, 等. 基于改进的狭窄街道MIMO多散射信道模型分析[J]. 通信学报, 2017,38(10):146-156.

Deng-hong TANG, Jie ZHOU, Gen-fu SHAO, et al. Analysis of a modified MIMO multi-bounced channel model for narrow street environment[J]. Journal on communications, 2017, 38(10): 146-156.
唐登洪, 周杰, 邵根富, 等. 基于改进的狭窄街道MIMO多散射信道模型分析[J]. 通信学报, 2017,38(10):146-156. DOI： 10.11959/j.issn.1000-436x.2017207.

Deng-hong TANG, Jie ZHOU, Gen-fu SHAO, et al. Analysis of a modified MIMO multi-bounced channel model for narrow street environment[J]. Journal on communications, 2017, 38(10): 146-156. DOI： 10.11959/j.issn.1000-436x.2017207.

摘要

为建立更高效的移动端对端（mobile to mobile）通信系统，针对城市狭窄街道多入多出系统（MIMO

multiple input multiple output）移动传播环境，在经典椭圆模型（EBSBM

ellipse based single bounce model）基础上引入等效散射点概念，提出了改进的多跳散射信道模型。此模型将多跳散射路径通过几何变换等效为单点椭圆散射路径，研究了模型的空时频统计特性，推导出发射角（AOD

angle of departure）、到达角（AOA

angle of arrival）及多普勒频移（Doppler shift）等随机参数的概率密度函数（PDF

probability density function）的解析表达式，并进一步分析天线圆形阵列（uniform circular array）分布下的MIMO信道空间相关性及信道容量。仿真实验与以往模型及数据对比验证了所提出模型的有效性。

Abstract

To establish scattering models that match realistic street transmission scenarios for more efficient M2M mobile communication systems

existing models mainly focus on single-scattering and double-scattering

while for narrow urban street environment

single-scattering assumption is rather restrictive.To overcome this problem

a modified multi-bounced channel model based on EBSBM was provided

in which the concept of equivalent scattering point is assumed.The multi-bounced propagation paths are considered as an one-bounced ellipse scattering path and characteristics of the model were further analyzed.General formulations of several important parameters such as the probability density function (PDF) of the angle-of-departure(AOD)

angle-of-arrival (AOA) and Doppler shift were derived

which were applied to the performance of multiple-input-multiple-output（MIMO）system employing a circular array antenna.Doppler frequency distribution was also taken into account.The results show good agreement with the previously models

which validates the rationality of proposed model.

关键词

Keywords

references

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