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Intelligent vehicular terminal for realizing congestion control of internet of vehicles

A congestion control and vehicle-mounted terminal technology, applied in the field of Internet of Vehicles, can solve problems such as reduced message delivery rate, increased average delay and overhead, and network congestion

Inactive Publication Date: 2016-02-24
HEBEI UNIV OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the rapid movement of vehicle nodes in the Internet of Vehicles, the network is often in a state of intermittent connection or partial connection, so network congestion is prone to occur
As a result, the delivery rate of messages in the Internet of Vehicles decreases, and the average delay and overhead increase rapidly

Method used

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  • Intelligent vehicular terminal for realizing congestion control of internet of vehicles
  • Intelligent vehicular terminal for realizing congestion control of internet of vehicles
  • Intelligent vehicular terminal for realizing congestion control of internet of vehicles

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Embodiment Construction

[0023] As shown in the figure, the technical scheme of the present invention is:

[0024] An intelligent vehicle-mounted terminal for realizing congestion control of the Internet of Vehicles: including nine modules: a central processing module, a data processing module, a GPS module, a GPRS module, a storage module, an alarm module, a human-computer interaction module, a WIFI module, and a CAN bus interface.

[0025] The data processing module includes three sub-modules, namely the data receiving module, the data forwarding module, and the congestion control module; the data receiving module is responsible for receiving and storing the messages transmitted by the neighboring vehicle nodes, and waiting for forwarding; the data forwarding module is responsible for the vehicle The messages stored in the node are forwarded to other vehicle nodes; the congestion control module determines whether network congestion occurs by monitoring the remaining buffer space of the vehicle node i...

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Abstract

The invention relates to an intelligent vehicular terminal for realizing congestion control of an internet of vehicles. The intelligent vehicular terminal is characterized by comprising nine modules including a central processing module, a data processing module, a GPS module, a GPRS module, a storage module, an alarm module, a human-machine interaction module, a WIFI module and a CAN bus interface. When the internet of vehicles is congested, a congestion control module is started; the priorities of various messages in congestion vehicle nodes are calculated at first; and then, the message having the lowest priority is abandoned while the message having the highest priority is transferred to a proper neighbour vehicle node till the network congestion of the internet of vehicles is relieved.

Description

technical field [0001] The invention belongs to the technical field of the Internet of Vehicles, and in particular relates to an intelligent vehicle terminal for realizing congestion control of the Internet of Vehicles. Background technique [0002] Congestion is a network state in which packets in the network are overloaded, that is, when there are too many packets in the network, the network performance is degraded. When the network is congested, it means that the user's demand for network resources has exceeded the inherent capacity of the network. The transmission of messages between vehicles in the Internet of Vehicles adopts the "store-carry-forward" mode. Messages need to be stored in vehicle nodes for a certain period of time, waiting for an appropriate opportunity to be forwarded. Due to the rapid movement of vehicle nodes in the Internet of Vehicles, the network is often in a state of intermittent connection or partial connection, so network congestion is prone to...

Claims

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Application Information

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IPC IPC(8): H04W28/02H04W4/00
CPCH04W28/021H04W28/0289H04W4/70
Inventor 张龙曹文静王鹏付佳张欣欣卓凡白春红
Owner HEBEI UNIV OF ENG
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