|Table of Contents|

Wireless network testbed oriented internet of vehicles(PDF)

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

Issue:
2014年02期
Page:
104-111
Research Field:
交通信息工程及控制
Publishing date:

Info

Title:
Wireless network testbed oriented internet of vehicles
Author(s):
DUAN Zong-tao1; 2;  KANG Jun1; 2;  TANG Lei1; 2;  LU Ming-ming1;  WANG Dong1;  WANG Chao1
1. School of Information Engineering, Chang’an University, Xi’an 710064, Shaanxi, China; 2. Road Traffic Intelligent Detection and Equipment Engineering Center of Shaanxi Province, Chang’an University, Xi’an 710064, Shaanxi, China
Keywords:
internet of vehicles;  wireless communication subsystem;  wireless network testbed;  network tomography;  network performance measurement
PACS:
U495
DOI:
-
Abstract:
Considering the features of rapid mobility and realizing way diversity of tested nodes in the internet of vehicles, a wireless network testbed oriented internet of vehicles was designed and implemented by using network tomography technology. The testbed was composed of network performance measurement units and up-down stream detection units of testing area. The impact of rapid mobility of test vehicle on network performance was tested by designed testbed. The performance indexes were composed of round-trip delay, packet loss rate, average throughput, etc. in the network. Test result indicates that wireless network performance indexes degrade with the increase of the average speed of test vehicle in the internet of vehicles. When the average speed of test vehicle is more than 70 km·h-1, all performance indexes decrease significantly comparing to the situation of 20 km·h-1. Average network round-trip delay increases about 2.4 times, packet loss rate increases about 10 times, and average throughput decreases about 2.6 times. Obviously, the wireless network performance indexes of internet of vehicles are measured and evaluated effectively by the designed wireless network testbed oriented internet of vehicles. 3 tabs, 5 figs, 18 refs.

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Last Update: 2014-04-30