Vehicle Internet of Things system based on visible light communication and communication method

Abstract

Embodiments of the invention provide a vehicle Internet of Things system based on visible light communication and a communication method. The system comprises a vehicle visible light communication node used for acquiring vehicle information, establishing a visible light communication link with a vehicle visible light communication node of an adjacent vehicle in the same driving direction with a vehicle which the vehicle visible light communication node belongs to, and generating vehicle cluster information of a vehicle cluster formed by visible light communication links; a roadside infrastructure used for receiving the vehicle information and the vehicle cluster information transmitted by the vehicle visible light communication nodes in a coverage range and transmitting the vehicle information and the vehicle cluster information to a local control node; and the local control node used for receiving the vehicle information and the vehicle cluster information, transmitted by the roadsideinfrastructure, in the coverage range of the roadside infrastructure and obtaining road condition information in a region through calculation according to the vehicle information and the vehicle cluster information. According to the system, the conflict and the interference between the communication links in the vehicle Internet of Things are reduced.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular to a vehicle Internet of Things system and communication method based on visible light communication. Background technique [0002] With the promotion of various embedded devices in automobiles and roadside infrastructure, the Internet of Vehicles has become an important method to solve problems such as road congestion and environmental pollution in the increasingly complex traffic system. Through the data collection of on-board sensors, the communication between vehicles and the connection with various networks through roadside infrastructure, vehicles can obtain the movement information of surrounding vehicles, expand the driver's observation range, and obtain local or overall traffic conditions at the same time. It is used to guide the planning of driving paths. In addition, passengers in the car can also use the vehicle Internet of Things to o...

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a vehicle Internet of Things system and communication method based on visible light communication, which is used to solve the problem that the radio frequency signals of the Internet of Vehicles in the prior art have strong penetration, and conflicts and interference between different communication links will cause problems. With the increase of the number of vehicles, it has grown rapidly, and at the same time, the strong penetration of radio frequency signals also has a high potential safety hazard

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