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Service-based task offloading method for Internet of Vehicles and its offloading device

A technology of Internet of Vehicles and tasks, applied in the field of Internet of Things, to achieve the effects of good practicability, reduced task execution time, and high reliability

Active Publication Date: 2021-05-28
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no task offloading method and corresponding offloading device for vehicle coordination in the Internet of Vehicles scenario and considering vehicle mobility and task QoS

Method used

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  • Service-based task offloading method for Internet of Vehicles and its offloading device
  • Service-based task offloading method for Internet of Vehicles and its offloading device
  • Service-based task offloading method for Internet of Vehicles and its offloading device

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Embodiment Construction

[0037] Such as figure 1 Shown is a schematic diagram of the application scenario of the present invention: most of the existing technologies consider offloading to the edge server. The channel of offloading to vehicles can reduce the cost and difficulty of server deployment, and it is also common for some areas where it is difficult to deploy servers. At present, there is no task offloading scheme and device that considers vehicle mobility and task QoS for vehicle coordination in the Internet of Vehicles scenario. The invention proposes a decentralized task offloading scheme and device considering offloading risks and QoS based on services.

[0038] The decentralized task offloading solution that considers offloading risks and QoS based on services provided by the embodiments of the present invention can be applied to vehicles in the Internet of Vehicles, such as figure 1 Shown: All vehicles have their own communication range, DSRC communication is used between vehicles, and...

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Abstract

The invention discloses a service-based vehicle networking task unloading method, including initialization; caching service requests and determining task information of newly generated tasks to be processed; obtaining service node information of service nodes and starting scheduling of all cached tasks; Obtain the current position and current speed of the vehicle itself; determine the minimization time and task unloading risk optimization equation at the current moment and solve the task unloading strategy; unload the Internet of Vehicles tasks according to the task unloading strategy. The present invention also provides an unloading device for implementing the service-based IoV task offloading method. The present invention realizes vehicle coordination in the Internet of Vehicles for the first time, while considering task delay requirements and system efficiency, so the present invention method can reduce task execution time and reduce the probability of task failure, and has high reliability and good practicability.

Description

technical field [0001] The invention belongs to the field of the Internet of Things, and in particular relates to a service-based Internet of Vehicles task offloading method and an offloading device thereof. Background technique [0002] With the continuous increase in the number of vehicles and the development of the Internet of Things, various vehicle applications, such as vehicle social networking, pattern recognition, and augmented reality, etc., are used to improve vehicle safety and driving pleasure. These vehicle systems are often computationally intensive. Vehicles are expected to execute 106 million instructions per second in the near future. However, the vehicle is a mobile platform with limited computing power, which cannot meet the Quality of Service (Qos) required by users. [0003] Edge computing is an emerging technology to address the limited computing power of vehicles. Edge computing offloads some tasks to idle or resource-rich computing units. V2X tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08G06N3/00G06F9/50G06F9/48
CPCH04L67/12G06F9/4881G06F9/485G06F9/5066G06N3/006H04L67/52H04L67/51H04L67/568
Inventor 李智勇程子卿王琦陈一凡
Owner HUNAN UNIV
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