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A method for unloading content at the edge of the Internet of Vehicles, and a mobile resource allocation system

A vehicle networking and content technology, applied in vehicle components, vehicle-to-vehicle communication, and vehicle wireless communication services, etc., can solve the problems of consuming network resources, wasting resources, and not taking into account the computing power of vehicles.

Active Publication Date: 2021-07-09
国网吉林省电力有限公司信息通信公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In summary, the problems in the prior art are: The existing resource allocation methods for mobile edge computing do not take into account the computing power of the vehicle itself, resulting in waste of resources; while uploading and downloading tasks consume network resources

Method used

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  • A method for unloading content at the edge of the Internet of Vehicles, and a mobile resource allocation system
  • A method for unloading content at the edge of the Internet of Vehicles, and a mobile resource allocation system
  • A method for unloading content at the edge of the Internet of Vehicles, and a mobile resource allocation system

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Experimental program
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Effect test

Embodiment 1

[0053] Such as figure 2 As shown, the Internet of Vehicles content edge offloading method provided by the embodiment of the present invention includes the following steps: including the following steps:

[0054] Step 1. In the vehicular ad hoc network, due to the high-speed mobility of vehicle nodes, the number and location of resources may change at any time. Therefore, before task offloading, it is necessary to detect resources and filter out available resource information that meets the conditions. ;

[0055] When the client vehicle has a computing task that needs to use the resources of the surrounding vehicles, the resource discovery module first detects the availability of the surrounding vehicles, that is, detects those vehicles that can provide computing resources (resource discovery), and queries the available vehicle node information (vehicle relative position, speed of movement, direction of movement, computing power, etc.).

[0056] Step 2, based on the collecte...

Embodiment 2

[0061] The method for unloading the Internet of Vehicles content edge provided by the embodiment of the present invention is the same as that in Embodiment 1;

[0062] The detection of those vehicles in step 1 that can provide computing resources includes the following:

[0063] The resource discovery module is used to discover available vehicle node computing resources, that is, vehicle node reachability monitoring and resource availability detection, and record the parameters of these nodes, usually recording the computing power, moving speed, moving direction, relative Location.

[0064] Define parameters:

[0065] Computing capability of the vehicle: the computing capability C of the vehicle i ,i=1,2,3..., indicating the number of subtasks that the vehicle can execute per second.

[0066] The moving speed of the vehicle: v i ,i=1,2,3..., the speed of the vehicle.

[0067] The maximum time that vehicles can communicate with each other: T ij , i, j = 1, 2, 3..., that i...

Embodiment 3

[0073] The edge offloading method of Internet of Vehicles content provided by the embodiment of the present invention is the same as Embodiment 1 and Embodiment 2, such as Figure 5 As shown, the task division in step 2 includes the following:

[0074] The task division module divides the task into small subtasks according to the information of available resources, and makes the connection between the subtasks as few as possible, strong independence, low coupling and high aggregation. Computational tasks are composed of several subtasks, namely The subtasks are relatively independent, and the size of each subtask is the same, that is, then J 1 =J 2 =…=J i =…=J n , each vehicle node can perform several subtasks according to the amount of computing resources.

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Abstract

The invention belongs to the technical field of in-vehicle communication, and discloses a method for unloading the content edge of the Internet of Vehicles, a mobile resource allocation system, management of resource information of vehicle nodes, task division and combination of target nodes, so as to realize calculation unloading in the in-vehicle ad hoc network; Calculate the offloading target node selection method, assign the corresponding task amount to the node with reference to the node's computing capability and the time available to provide services, and screen the vehicles according to the information of each resource. The present invention solves the problem of computing unloading in the scene of interconnection between vehicles with high mobility, and realizes the goal that users can perform computing anytime and anywhere. Manage the resource information of highly mobile vehicle nodes, combine task division and target node selection, realize the calculation offload in the vehicle ad hoc network; give the calculation offload target on the basis of comprehensive consideration of various factors The node selection method filters the vehicles according to the information of each resource.

Description

technical field [0001] The invention belongs to the technical field of vehicle communication, and in particular relates to a method for offloading content at the edge of the Internet of Vehicles and a mobile resource allocation system. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: With the continuous development of Mobile Ad Hoc network technology, vehicular communication has become a new field of research at home and abroad, and Vehicular Ad Hoc Networks (VANETs) have therefore received extensive attention. With the development of computer technology and network technology, there are more and more mobile computing users around the world, and people's life rhythm is getting faster and faster, which makes people's demand for mobile computing higher and higher. Since mobile devices have the characteristics of limited resources, short battery life, and insufficient memory, tasks that require a large amount of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/46H04W40/02H04W40/10H04W76/34
CPCH04W40/02H04W40/10H04W4/46H04W76/34
Inventor 丛犁王圣达姜华窦增武迪高洋史春辉王众
Owner 国网吉林省电力有限公司信息通信公司
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