Joint task unloading, caching and resource allocation method for mobile edge computing server
A resource allocation and edge computing technology, applied in electrical components, wireless communications, etc., can solve problems such as difficult algorithm optimization, network performance optimization, limited user task execution performance, and less consideration of delay optimization.
Active Publication Date: 2020-05-08
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology
However, the existing research seldom considers the problem of delay optimization, which leads to the limitation of user task execution performance; in addition, there are few studies in the existing literature that jointly consider user offloading and caching strategies, which makes it difficult for the proposed algorithm to achieve network performance optimization.
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[0028] 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.
[0029] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...
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The invention relates to a joint task unloading, caching and resource allocation method for a mobile edge computing server, which belongs to the technical field of wireless communication. The method comprises the following steps of: S1, modeling a user task auxiliary information type identifier; S2, modeling a user task auxiliary information cache variable; S3, modeling total time delay of user task execution; S4, modeling a time delay required by local execution of a user task; S5, unloading the modeling user task to the base station side to execute the required time delay; S6, modeling usertask unloading, caching and resource allocation limiting conditions; S7, determining a user task unloading, caching and resource allocation strategy based on the minimization of the total time delay of the user task execution. According to the method, the user task unloading, caching and resource allocation strategy can be determined through optimization, and therefore the total time delay of usertask execution is minimized.
Description
technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a mobile edge computing server joint task offloading, caching and resource allocation method. Background technique [0002] With the rapid development of the Internet and the popularization of 4G / 5G wireless networks, the era of the Internet of Everything has arrived, and the rapid increase in the number of network edge devices has brought massive data at the zettabyte level. Existing data statistics show that most of the data generated by the Internet in the future will be stored, processed, and analyzed at the edge of the network, which poses a serious challenge to the limited computing power and battery power of smart terminals. In response to this problem, existing studies have proposed mobile edge computing offloading technology, by deploying mobile edge computing servers with strong computing capabilities in the network, and offloading user terminal computing t...
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IPC IPC(8): H04W24/02H04W72/04
CPCH04W24/02H04W72/53
Inventor 柴蓉毛梦齐陈前斌
Owner CHONGQING UNIV OF POSTS & TELECOMM