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A method and medium for setting the probability of sending a car message in a car social network

A social network and message sending technology, applied in vehicle-to-vehicle communication, communication between vehicles and infrastructure, vehicle components, etc., can solve the problem of low freshness of information received by cars

Active Publication Date: 2021-10-08
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method and medium for setting the probability of sending automobile messages in a vehicle-mounted social network, which is used to solve the technical problem that the freshness of the information received by the automobile is not high in the existing method for setting the sending probability of automobile messages

Method used

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  • A method and medium for setting the probability of sending a car message in a car social network
  • A method and medium for setting the probability of sending a car message in a car social network
  • A method and medium for setting the probability of sending a car message in a car social network

Examples

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Embodiment 1

[0032] A method for setting the probability of sending a car message in a car social network, such as figure 1 shown, including:

[0033] The message sending probability of each car in the target vehicle social network is set as the same function expression about the degree value of the car;

[0034] Calculate and compare the average PNAoI of the target vehicle social network under different parameters in the function expression based on the distribution of vehicle degree values ​​and network parameters in the vehicle social network, as well as the search step size and search upper and lower bounds of each parameter in the function expression, Obtain each parameter value in the function expression corresponding to the minimum average PNAoI and the message sending probability of each automobile;

[0035] Among them, the average PNAoI represents the average value of a series of maximum values ​​of NAoI evolved over time, and NAoI represents the maximum value of AoI correspondin...

Embodiment 2

[0121]A computer-readable storage medium, the computer-readable storage medium includes a stored computer program, wherein, when the computer program is run by a processor, the device where the storage medium is located is controlled to execute the above-mentioned vehicle social network A method for setting the probability of sending a vehicle message in a vehicle.

[0122] The relevant technical solutions are the same as those in Embodiment 1, and will not be repeated here.

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Abstract

The invention belongs to the technical field of wireless communication, and specifically discloses a method for setting the probability of sending messages of cars in a vehicle-mounted social network. Function expression; based on the vehicle degree value distribution and network parameters in the vehicle social network, as well as the search step size and search upper and lower bounds of each parameter in the function expression, calculate and compare the target vehicle social network under the parameters in different function expressions The average PNAoI of the minimum average PNAoI to obtain the parameter values ​​in the function expression corresponding to the minimum average PNAoI and the message sending probability of each car. In the future-oriented vehicle social network, the present invention fully considers the influence of the social relationship between cars on the communication performance of the vehicle social network, thereby effectively reducing the average PNAoI of the vehicle social network, thereby improving the freshness of the information received by the vehicle Spend.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and more specifically relates to a method and a medium for setting the probability of sending a car message in a car social network. Background technique [0002] In the Internet of Vehicles for future self-driving cars, human intervention in car driving will be greatly reduced, so more time can be allocated to do things other than driving during car driving. It is foreseeable that with the continuous improvement of the communication functions of automobiles, automobiles will become the main carrier for people to communicate and socialize, just like smartphones. In this context, in-vehicle social network has become a research hotspot in the next generation of in-vehicle network. In addition, human beings are the main users of cars in the in-vehicle social network, so the information disseminated in the in-vehicle social network is usually related to human travel, such as road cong...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/44H04W4/46H04L1/00G06F16/9536G06F17/13G06F17/15
CPCG06F17/13G06F17/15G06F16/9536H04L1/0007H04W4/44H04W4/46
Inventor 葛晓虎黎子鹏钟祎韩涛
Owner HUAZHONG UNIV OF SCI & TECH
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