|Table of Contents|

Wireless channel measurement and typical channel characteristics for intelligent inland navigation communications(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2022年04期
Page:
322-333
Research Field:
交通信息工程及控制
Publishing date:

Info

Title:
Wireless channel measurement and typical channel characteristics for intelligent inland navigation communications
Author(s):
LI Chang-zhen1;  CHEN Wei2; 3;  WANG Jue4;  CHANG Fu-xing1
(1. School of Information Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China; 2. School of Automation, Wuhan University of Technology, Wuhan 430070, Hubei, China; 3. National Engineering Research Center Water Transport Safety, Wuhan University of Technology, Wuhan 430063, Hubei, China; 4. Forest Fire Brigade in Greater Khingan Mountains, Greater Khingan Mountains 165000, Heilongjiang, China)
Keywords:
inland navigation;  channel measurement and modeling;  communication performance;  channel characteristics;  network planning
PACS:
U675.7
DOI:
10.19818/j.cnki.1671-1637.2022.04.025
Abstract:
In order to clarify the mechanism of the new generation mobile communication technology in serving intelligent inland navigation, the 4G and 5G temporary wireless communication networks were built based on the development status and special communication environment of wireless communication for inland navigation. With the Wuhan Section of the Yangtze River as an example, the channel measurement work was carried out in typical communication scenarios of inland rivers to explore the influence factors on the wireless communication characteristics of the inland navigations. The channel parameters, such as channel transmission function, received signal strength, and delay, were collected by a high-precision wireless channel sounder. The typical wireless channel characteristics, such as transmission path loss, power delay distribution, delay spread, and Doppler spread, were extracted based on the wireless propagation theory and a tap delay line model. Based on the typical channel characteristic parameters, the effective coverage ranges and transmission rates of 4G and 5G wireless signals in inland river scenarios were predicted, and the multi-path sources and delay distribution of wireless communication for inland navigation were explored. Measurement and analysis results show that bridges, shore buildings, and large passing vessels are the main sources of the multi-path effect of wireless transmission signals in wireless communication for inland navigation. The maximum diffraction loss caused by bridges can reach 18.0 dB. The power attenuations caused by the block of shore buildings and passing vessels can reach 25.0 and 10.6 dB, respectively. The transmission rate of the wireless signals shows that the maximum measurement rate of 4G wireless communication is 95.32 Mb·s-1, while that of 5G communication can reach 0.72 Gb·s-1. In addition, the root mean square delay spread will be increased by about 754.94 ns under the influence of large passing vessels. Therefore, a private wireless communication network should be constructed appropriately according to the special environment of inland river communication, so as to provide better communication support services for intelligent navigation. 6 tabs, 12 figs, 30 refs.

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Last Update: 2022-09-01