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Data quality perception task allocation method based on edge assistance

A technology for task allocation and data quality, applied in the field of communication, can solve the problems of low data quality and low task completion rate.

Active Publication Date: 2020-07-28
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Finally, it is also a challenge to prevent the problem of low task completion rate due to insufficient participant resources during the task assignment process, thereby degrading the data quality.

Method used

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  • Data quality perception task allocation method based on edge assistance
  • Data quality perception task allocation method based on edge assistance
  • Data quality perception task allocation method based on edge assistance

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Embodiment Construction

[0063] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0064] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a data quality perception task allocation method based on edge assistance, and belongs to the technical field of communication. Aiming at the problem that perception data in amobile crowd sensing MCS system lacks objective quality index evaluation and cannot provide reliable data service for a task requester, the method comprises the following steps: constructing an evaluation model of two quality indexes, namely data validity and data spatial-temporal correlation, at a cloud end according to the characteristics of MCS data; obtaining instantaneous state information of current pre-selected participants at an edge server side, and evaluating the service capabilities of the participants in combination with an evaluation result of the data validity quality index; anddetermining whether to recruit a new user at the cloud to participate in the perception task or not according to a comparison result of the spatio-temporal correlation quality indexes of the perception data so as to supplement participant resources in the task allocation process of the edge end. The method can significantly improve the quality of perception data and the completion rate of tasks.

Description

technical field [0001] The invention belongs to the technical field of communications, and relates to a task allocation method based on edge-assisted data quality perception. Background technique [0002] As the rapid development of electronic technology and mobile communication technology provides mobile devices with sufficient computing and communication capabilities, mobile crowd sensing (Mobile Crowd Sensing, MCS) can use a large number of users' mobile devices to perceive and collect data, and pass the data through Communication methods such as wireless networks upload data to the MCS platform for analysis and processing, and extract useful data from it for use in areas such as intelligent transportation, environmental monitoring, public safety, and personal health testing. A typical MCS system is a two-layer structure composed of two entities, the user and the platform, which is a centralized processing method. However, the centralized architecture cannot effectively ...

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Application Information

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IPC IPC(8): G06F9/50
CPCG06F9/5038G06F9/5072
Inventor 吴大鹏刘海亮李职杜王汝言
Owner CHONGQING UNIV OF POSTS & TELECOMM
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