关于45 GHz毫米波对矩形阻挡物的绕射研究

doi:10.13190/j.jbupt.2017.04.018

北京邮电大学学报 ›› 2017, Vol. 40 ›› Issue (4): 111-116.doi: 10.13190/j.jbupt.2017.04.018

关于45 GHz毫米波对矩形阻挡物的绕射研究

李星蓉, 李永倩, 李保罡

华北电力大学电子与通信工程系, 河北保定 071003

收稿日期:2017-03-24 出版日期:2017-08-28 发布日期:2017-07-10
作者简介:李星蓉(1975-),男,博士生,E-mail:li-xingrong@163.com;李永倩(1958-),男,教授,博士生导师.
基金资助:
国家自然科学基金项目（61377088，61501185）；北京市自然科学基金项目（4164101）；中央高校基本科研业务费专项资金项目（2015MS101）

Research on Rectangular Block Diffraction on 45 GHz Millimeter Wave

LI Xing-rong, LI Yong-qian, LI Bao-gang

Department of Electronics and Communication Engineering, North China Electric Power University, Hebei Baoding 071003, China

Received:2017-03-24 Online:2017-08-28 Published:2017-07-10

摘要/Abstract

摘要： 基于45 GHz毫米波室内通信测量对木板、镜子以及白铁板的阻挡绕射特性进行了研究.根据阻挡物材料的不同，分别提出三射线和四射线阻挡绕射模型.对12 mm厚的木板、6 mm厚的镜子以及0.35 mm厚的白铁板进行了矩形阻挡绕射测量实验.实验结果表明，在矩形木板阻挡下45 GHz毫米波的平均传输衰减系数约为-4.28 dB，其衰减测量结果与提出的四射线模型仿真结果平均误差为-0.02 dB.在0.35 mm厚的矩形白铁板阻挡下，45 GHz毫米波的平均传输衰减系数约为-18.2 dB.在镜子远离天线的情况下，面对发射天线时的平均传输衰减比背对发射天线时大1~2 dB，而在镜子靠近天线的情况下，其面对发射天线时测量的结果与白铁板阻挡下的衰减类似.

关键词: 45 GHz毫米波, 矩形阻挡, 绕射模型, 衰减特性

Abstract: The block diffraction attenuation characteristics of wood board, mirror and white iron board were studied based on 45 GHz millimeter wave indoor communication measurements. According to different block material, the 3-ray and 4-ray block diffraction models were proposed, respectively. The rectangular block diffraction measurement experiments were carried out on 12 mm thick wood board, 6mm thick mirror, and 0.35 mm thick white iron board. Experiment shows that the average transmission attenuation coefficient of 45 GHz millimeter wave blocked by 12 mm thick rectangular wood board is about -4.28 dB, and the average error between the attenuation measurement results and the 4-ray model simulation results is about -0.02 dB. The average transmission attenuation coefficient of 45 GHz millimeter wave blocked by 0.35 mm thick rectangular white iron board is about -18.2 dB. In the case of the mirror far away from the antennas, the measured average transmission attenuation by the mirror surface is 1-2 dB larger than that of the negative one. When the mirror is near any set of antennas,the measured value by the mirror surface is similar to that of the white iron board.

Key words: 45 GHz millimeter wave, rectangular block, diffraction model, attenuation characteristics

中图分类号:

TN928

李星蓉, 李永倩, 李保罡. 关于45 GHz毫米波对矩形阻挡物的绕射研究[J]. 北京邮电大学学报, 2017, 40(4): 111-116.

LI Xing-rong, LI Yong-qian, LI Bao-gang. Research on Rectangular Block Diffraction on 45 GHz Millimeter Wave[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2017, 40(4): 111-116.

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关于45 GHz毫米波对矩形阻挡物的绕射研究

Research on Rectangular Block Diffraction on 45 GHz Millimeter Wave

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