Distributed mobile edge computing unloading method in ultra-dense network architecture

An ultra-dense network and computing offloading technology, which is applied in the field of distributed mobile edge computing offloading, can solve problems such as traffic congestion and occupying channel bandwidth resources, and achieve the goals of reducing energy consumption, saving energy consumption, good cutting-edge and applicability Effect

Active Publication Date: 2018-03-20
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, in an ultra-dense network with MEC functions, the idea of ​​central control will cause serious traffic congestion,

Method used

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  • Distributed mobile edge computing unloading method in ultra-dense network architecture
  • Distributed mobile edge computing unloading method in ultra-dense network architecture
  • Distributed mobile edge computing unloading method in ultra-dense network architecture

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Embodiment Construction

[0024] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0025] In a distributed scenario, the execution of computing tasks does not require a unified central scheduling mechanism, and the distribution of the entire offloading task can be completed only by the coordination between mobile devices. In the distributed model, mobile devices exchange information with each other, and each mobile device can select an appropriate MEC node to connect to, or choose to perform local calculations according to the offloaded connections of other mobile devices. Computing offloading decisions are mainly influenced by system energy and latency overhead. Mobile devices will interfere with each other during the transmission of computing tasks, which affects the transmission power of mobile devices, and then affects the energy consumption of the system. Since the mobile device mainly uses the communication resources of the b...

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Abstract

The invention discloses a distributed mobile edge computing unloading method in an ultra-dense network architecture, belonging to the technical field of wireless communication network and cloud computing. The method includes the following steps: calculating the interference of mobile equipment, and if unloading is needed, carrying out computing unloading by selecting a strategy that meets the loadlimitation, interference limitation and delay limitation; further, when the energy overhead of the selected strategy is superior to a current computing unloading strategy, sending update request information to a currently-selected base station to request to update the own computing unloading strategy; after the mobile equipment acquires the information that the base station allows to update the computing strategy, notifying other mobile equipment that the current update opportunity has been acquired, and adopting the updated strategy in the next time slot; and if the mobile equipment does notacquire the update opportunity, maintaining the existing strategy in the next time slot. According to the method disclosed by the invention, the energy consumption in a computing unloading process can be effectively reduced under the premise of guaranteeing a certain delay limitation, the purpose of saving the energy consumption can be effectively achieved, and the good leading effect and applicability can be achieved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication networks and cloud computing, and in particular relates to a method for offloading distributed mobile edge computing in an ultra-dense network architecture. Background technique [0002] The popularity of smart terminal devices has changed people's understanding of traditional mobile devices. The emergence of various mobile application software based on user experience has continuously changed the way of life of modern people, and made people more dependent on mobile devices than ever before. Intelligent Terminal. However, limited by the battery capacity, computing power, and storage capacity of terminal devices, some applications that require a large amount of data processing and computing, such as natural language processing, virtual reality, and interactive games, cannot realize their functions on mobile devices. The emergence of MEC (Mobile Edge Computing) has brought new solut...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04W4/00
CPCH04L67/10H04L67/61Y02D30/70
Inventor 张鹤立郭俊纪红李曦
Owner BEIJING UNIV OF POSTS & TELECOMM
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