吉林大学学报(工学版) ›› 2020, Vol. 50 ›› Issue (5): 1886-1893.doi: 10.13229/j.cnki.jdxbgxb20190750

• 通信与控制工程 • 上一篇    

分布式通信网络多频段信号源远程切换控制算法

陈海燕1,2()   

  1. 1.武汉理工大学 信息工程学院,武汉 430070
    2.北京电子科技职业学院 电信工程学院,北京 102600
  • 收稿日期:2019-07-25 出版日期:2020-09-01 发布日期:2020-09-16
  • 作者简介:陈海燕(1972-),女,副教授,博士.研究方向:无线通信,物联网.E-mail:chenhaiyan948@163.com
  • 基金资助:
    北京市教委科研课题项目(KM201610858003)

Design of remote switching control algorithm for multi-band signal source in distributed communication network

Hai-yan CHEN1,2()   

  1. 1.School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China
    2.School of Telecommunication Engineering, Beijing Vocational College of Electronic Science and Technology, Beijing 102600, China
  • Received:2019-07-25 Online:2020-09-01 Published:2020-09-16

摘要:

将传统多频段信号源切换控制算法应用在分布式通信网络当中无法实现稳定的信号源切换,为此提出多频段信号源远程切换控制算法。利用通信网络监控设备采样实时信号,并计算传输信号的所处频段。以通信信号的传输路径为基础实现对多频段信号源的定位。安装远程控制设备并在其中设置切换控制的触发条件,最终通过切换接入点排序和电压与电流转换控制两个步骤,实现多频段信号源的远程切换控制。为验证远程切换控制算法的可行性,分别从控制抗阻塞性能和稳定性能两个方面实现测试,从而得出测试结论:远程切换控制算法比传统切换控制算法的抗阻塞性能提高了2.2%,且切换控制稳定性能更高。

关键词: 分布式网络, 通信网络, 多频段信号源, 远程控制, 切换控制, 切换触发条件

Abstract:

The traditional multi-band signal source switching control algorithm can not achieve stable signal source switching in distributed communication network. To solve this problem, a remote switching control algorithm of multi-band signal source is proposed. The real-time signal is sampled by communication network monitoring equipment and the frequency band is calculated. Based on the transmission path of communication signal, the location of multi-frequency signal source is realized. The remote control equipment is installed and the trigger condition of switching control is set in it. Finally, the remote switching control of multi-frequency signal source is realized by switching the sequence of access points and the conversion control between voltage and current. In order to verify the feasibility of the designed remote handoff control algorithm, the anti-blocking performance and stability performance of the control were tested. The results show that the anti-blocking performance of the designed remote handoff control algorithm is 2.2% higher than that of the traditional handoff control algorithm, and the handoff control stability is higher.

Key words: distributed network, communication network, multi-band signal source, the remote control, switch control, switching the trigger condition

中图分类号: 

  • TP273

图1

信号源节点监控设备工作原理图"

图2

传输信号频段示意图"

图3

切换触发条件示意图"

图4

切换控制算法实现流程图"

图5

电流与电压控制示意图"

图6

实验环境"

表1

切换控制稳定性能测试结果"

初始通信信号基于C#编程语言的切换控制算法分布式通信网络多频段信号源远程切换控制算法
信号接收功率/dBm信噪比/dB信号接收功率/dBm信噪比/dB
切换前5 s-89.689.14-89.687.08
切换前3 s-90.668.76-90.666.18
切换前1 s-92.258.08-92.254.59
切换后1 s-63.4416.37-86.3311.80
切换后3 s-25.681.25-86.1710.76
切换后5 s-83.4713.94-85.9210.63
丢包数据量/Mbit10.7412.493.282.75
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