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Information transmission method and device and computer readable storage medium

A technology of information transmission and response information, applied in the field of communication, can solve problems such as untimely, inaccurate information transmission, and increased congestion

Pending Publication Date: 2022-02-25
ZTE CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous increase of residents' car ownership, traffic congestion has become a common problem faced by many cities in the world. Inaccurate and untimely information transmission may lead to increased congestion

Method used

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  • Information transmission method and device and computer readable storage medium
  • Information transmission method and device and computer readable storage medium
  • Information transmission method and device and computer readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0088] When a traffic congestion event occurs, record the number of intersections experienced between an intersection and a traffic congestion node, and record it as the correlation degree of the intersection. Specifically, consider the correlation degree of the previous intersection that a vehicle node passes through B1, and the correlation degree B2 of the next intersection that is about to pass, determine the driving direction of the vehicle node by comparing the value of B1-B2, that is:

[0089] When B1-B2=1, it means that the vehicle node is traveling towards the traffic congestion node, and the vehicle node is only used as the second vehicle node at this time. If it carries TCWM, the TCWM transfer status in the fourth message is non-transferable state;

[0090] When B1-B2=-1, it means that the vehicle node is traveling away from the traffic congestion node, then the vehicle node can be used as the first vehicle node at this time, which already carries TCWM, and the TCWM ...

example 2

[0097] Such as Figure 8 as shown, Figure 8 is a schematic diagram of a traffic simulation scene provided by an embodiment of the present invention, and the vehicle nodes in the traffic simulation scene can be used to execute the information transfer method, specifically:

[0098] Vehicle Va represents a traffic congestion node, vehicle Vm represents the second vehicle node carrying TCWM, vehicle Vti represents the first vehicle node carrying TCWM, and vehicle Vfj (j=1,2,3,4...) represents not yet carrying TCWM Vehicles.

[0099] The vehicle Va triggers the traffic jam event generation mechanism, thereby generating the corresponding TCWM, and storing it in the list of the own vehicle. When the vehicle Vf1 in the opposite lane approaches the vehicle Va, initially the vehicle does not carry the TCWM from the vehicle Va, but it will receive the TCWM and store it in the message list of the vehicle after the vehicle-vehicle interaction.

[0100] When vehicle Vm and vehicle Vt1 ...

example 3

[0143] First, define related concepts for simulation experiments, including:

[0144] The penetration rate P of the TCWM indicates the degree of penetration of the TCWM in the SoI, that is, the ratio of the vehicle nodes that have obtained the TCWM to all the vehicle nodes in the SoI;

[0145] The effective penetration rate E of the TCWM, that is, the ratio of the second vehicle nodes that have obtained the TCWM to all the second vehicle nodes in the SoI;

[0146] Steady state means that when the TCWM propagates to a certain time T, the value of the permeability P stabilizes at a constant value, then the propagation of the TCWM is said to reach a steady state, and T is the time to reach a steady state. TCWM forwarding times F and network communication times C.

[0147] Then, the simulation is carried out under three conditions, wherein, for the convenience of explanation, when comparing the same parameter, the mode of the embodiment of the present invention is denoted as RRP,...

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Abstract

The invention provides an information transmission method and device and a computer readable storage medium. The information transmission method is applied to a first vehicle node and comprises the steps that traffic jam warning information TCWM is acquired, and the TCWM carries first information used for representing the position of a traffic jam node; the TCWM is sent to a second vehicle node within a first preset range from the first vehicle node, so that the second vehicle node sends a traffic jam warning according to the first information, wherein the current driving directions of the first vehicle node and the second vehicle node are different from each other, and the first vehicle node drives away from the traffic jam node. According to the embodiment of the invention, the traffic jam warning information TCWM can be transmitted to the vehicle possibly driving to the jam area, so that the TCWM can be accurately and efficiently transmitted on the premise of saving network communication resources.

Description

technical field [0001] Embodiments of the present invention relate to but are not limited to the field of communication technologies, and in particular, relate to an information transmission method, device, and computer-readable storage medium. Background technique [0002] With the continuous increase of residents' car ownership, traffic congestion has become a common problem faced by many cities in the world. Inaccurate and untimely information transmission may lead to increased congestion. Therefore, how to avoid vehicles blindly gathering in congested areas has become the focus of people's attention. Contents of the invention [0003] The following is an overview of the topics described in detail in this article. This summary is not intended to limit the scope of the claims. [0004] Embodiments of the present invention provide an information transmission method, device, and computer-readable storage medium, which can transmit traffic congestion warning information T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01
CPCG08G1/01G08G1/0104G08G1/0112G08G1/0965
Inventor 安毅生黄伟郭红星程寒寒王超李琳赵振兴刘明凤
Owner ZTE CORP
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