计算机科学

计算机科学 ›› 2016, Vol. 43 ›› Issue (4): 92-96.doi: 10.11896/j.issn.1002-137X.2016.04.018

• 网络与通信 • 上一篇    下一篇

天线极化方式对室内ZigBee信道传输特性的影响分析

徐光辉,苏国杰,王华力,王庆国,刘洋   

  1. 解放军理工大学通信工程学院 南京210007,解放军理工大学通信工程学院研究生1队 南京210007,解放军理工大学通信工程学院 南京210007,解放军理工大学通信工程学院研究生1队 南京210007,空军93514部队83分队 唐山064200
  • 出版日期:2018-12-01 发布日期:2018-12-01
  • 基金资助:
    本文受国家自然科学基金资助

Analyzing Effects of Antenna Polarization on Indoor ZigBee Channel Transmission Characteristics

XU Guang-hui, SU Guo-jie, WANG Hua-li, WANG Qing-guo and LIU Yang   

  • Online:2018-12-01 Published:2018-12-01

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摘要： 为分析不同天线极化方式对室内ZigBee信道传输特性的影响,基于射线追踪法,构建了特定公寓住房的确定性模型,然后借助Wireless Insite软件平台对天线水平极化、垂直极化、左旋极化和右旋极化4种极化方式进行了仿真分析。最后,通过对比分析路径损耗、接收功率和时延扩展等信道参数得出了一些很有价值的结论,如:垂直极化时接收功率最理想,但时延扩展较大；左旋极化和右旋极化对信道特性影响基本一致,虽然路径损耗较小,但接收功率不理想；室内的木质门和隔断墙对ZigBee信道的传播影响不大,金属门会使透射电波损耗严重等。

关键词: 射线跟踪法,ZigBee,无线信道,Wireless Insite

Abstract: To analyze the effects of different antenna polarization on indoor ZigBee channel transmission characteristics,the paper constructed a deterministic model of a specific apartment based on ray tracing method.Then it utilized Wireless Insite to present a simulation analysis on the four kinds of antenna polarization (horizontal polarization,vertical polarization,left-hand polarization and right-hand polarization).At last,through comparatively analyzing the path loss,the received power and the delay spread channel parameters,we got some conclusions of great value,such as vertical polarization leads to the best received power,but has serious delay spread；left-hand polarization and right-hand polarization have lower path loss than linear polarization,but the received power is not ideal；the wooden doors and partition walls have little effect on the spread of ZigBee channel while the metal door will leads to a serious loss of transmission waves,and so on.

Key words: Ray tracing method,ZigBee,Wireless channel,Wireless Insite

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