High-precision relative position information distribution device and method based on vehicle road cooperative communication

A technology of relative position and position information, applied in the direction of road vehicle traffic control system, traffic control system, instrument, etc., can solve the problems such as the same or similar technical reports that have not been found, and achieve accurate and reliable systems and methods, cost reduction, The effect of expanding the detection range

Active Publication Date: 2019-06-25
SHANGHAI JIAO TONG UNIV
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  • Claims
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Problems solved by technology

[0005] After searching, no technical report identical or similar to the present invention has been found

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  • High-precision relative position information distribution device and method based on vehicle road cooperative communication
  • High-precision relative position information distribution device and method based on vehicle road cooperative communication
  • High-precision relative position information distribution device and method based on vehicle road cooperative communication

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Embodiment Construction

[0066] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0067] refer to figure 1 As shown, an application scenario of a device for broadcasting high-precision relative position information, the device includes an on-board unit (OBU, On Board Unit) and a roadside unit (RSU, RoadSide Unit). The vehicle-mounted unit 100 is installed in a vehicle, and the roadside unit 200 is arranged at a road intersection, and the two communicate with each other.

[0068] refer to figure 2 As shown, an embodiment of a vehicle-mounted unit 100 includes a first position...

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Abstract

The invention provides a high-precision relative position information distribution device and method based on vehicle road cooperative communication. The device comprises a vehicle-mounted and a road-side unit. The vehicle-mounted unit sends GNSS position acquired from a positioning module and vehicle status information acquired from a self-vehicle information acquiring module to the road-side unit. After receiving the vehicle status information, the road-side unit acquires the high-precision position information of the vehicle-mounted unit in combination with the positional deviation value ofthe area, and converts the information into high-precision relative position static map information according to basic static map information. The road-side unit transmits the vehicle status information of vehicles in the area and the high-precision relative position static map information to the vehicle-mounted unit. The vehicle-mounted unit calculates the high-precision relative position dynamic map information by analyzing the traveling state of the vehicles in the area and vehicle distribution information. According to the invention, the most suitable driving speed can be given in real time; the traffic efficiency is improved; traffic congestion is avoided; and individuals are prevented from directly acquiring too accurate position information.

Description

technical field [0001] The invention relates to the field of vehicle-road short-range communication, intelligent transportation system and Internet of Vehicles, and specifically relates to a device and method for disseminating high-precision relative position information based on vehicle-road cooperative communication. Background technique [0002] With the rapid development of traffic, traffic problems are becoming more and more serious. The travel efficiency of residents is low, the time is unreliable, and there are safety hazards in travel. become an important livelihood issue. At present, the vehicle-road coordination technology as a representative of intelligent transportation has issued standards for various application scenarios, and has begun to implement a number of pilot projects, and has achieved rapid development. Efficiency and driving safety applications. [0003] In today's vehicle-road coordination system, the interconnected intelligent roadside unit is use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/0967G08G1/0969
Inventor 王延峰何大治刘思源冯奕佳李博森汪凯凯方涛王佳豪张超
Owner SHANGHAI JIAO TONG UNIV
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