Optimization method for minimizing energy consumption and time delay sum in edge calculation

A technology of edge computing and optimization methods, applied in transmission monitoring, network traffic/resource management, electrical components, etc.

Active Publication Date: 2019-04-09
NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI +1
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  • Application Information

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This makes it difficult for existing optimization theories

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  • Optimization method for minimizing energy consumption and time delay sum in edge calculation
  • Optimization method for minimizing energy consumption and time delay sum in edge calculation
  • Optimization method for minimizing energy consumption and time delay sum in edge calculation

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[0073] The technical solutions of the embodiments of the present invention will be described in detail below in conjunction with the drawings.

[0074] The optimization method in the embodiment of the present invention is suitable for edge computing cells. Such as figure 1 As shown, the edge computing cell includes multiple NOMA groups and D2D pairs. A NOMA group contains multiple cellular users, and the cellular users in a NOMA group can transmit data on a cellular channel at the same time. A D2D pair includes a task sending user and a task executing user, and the task sending user transmits data to the task executing user through a cellular channel.

[0075] Such as figure 2 As shown, the optimization method for energy consumption and delay and minimization in edge computing in the embodiment of the present invention includes the following steps:

[0076] Step 10) Initialize the edge server, and define user energy consumption and delay sum.

[0077] The step 10) includes:

[0078...

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Abstract

The invention discloses an optimization method for minimizing energy consumption and time delay sum in edge calculation. The optimization method comprises the following steps of 10) performing initialization operation on an edge server; 20) calculating the optimal power of cellular users in all NOMA groups, and randomly selecting N NOMA groups; 30) randomly matching the N NOMA groups with D2D pairs one by one by using an edge server, and calculating a utility function; 40) executing a pre-exchange operation by using the edge server; 50) calculating a utility function by utilizing the edge server, judging whether an exchange condition is met or not, if so, executing an exchange operation, and returning to the step 40); and if not, judging whether a D2D pair capable of executing the pre-exchange operation exists or not, if not, ending iteration, and if yes, returning to the step 40). According to the method, the purpose of minimizing the energy consumption and the time delay sum of a honeycomb and a D2D user in the migration process can be achieved.

Description

technical field [0001] The present invention relates to an optimization method in edge computing, in particular to an optimization method for minimizing energy consumption and time delay in edge computing. Background technique [0002] With the proliferation of smart devices and mobile Internet services, more and more computing-intensive and latency-sensitive mobile applications are emerging and attracting a lot of attention. However, most mobile devices cannot afford to run such applications due to limited computing resources and battery capacity. As a novel solution in fifth-generation communications, Mobile Edge Computing (MEC) enables users to offload computing tasks to edge servers, which can reduce mobile device overhead and improve Quality of Service (QoS) . Moreover, large-scale connectivity is urgently needed due to the large number of devices offloading computationally intensive tasks to edge servers. Non-orthogonal multiple access (corresponding to English: Non...

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Application Information

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IPC IPC(8): H04B17/336H04B17/382H04W28/02H04W52/24H04W52/28
CPCH04W28/0215H04W52/241H04W52/28H04B17/336H04B17/382
Inventor 郑建超刁宪邦冬欣松蔡跃明杨文东姚叶崔岩
Owner NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI
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