Network system for providing mobile edge computing service and service method thereof

An edge computing and network system technology, applied in the field of communication, can solve the problems of not giving user plane gateway separation and centralized control of services, not making full use of mCDN server computing resources, and not having a centralized controller, etc. The effect of detour routing, lightening interface burden, and concise hierarchy

Active Publication Date: 2018-09-04
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still the following deficiencies: (1) Deploying mCDN servers requires operator costs. Only the deployment of CDN in the 4G architecture is considered, mainly for caching of content such as videos, and the computing resources of mCDN servers are not fully utilized. Multifunctional MEC server
(2) In the L-GW where the P-GW sinks, there are also control planes and data planes, but there is no further separation, and there is no centralized controller
However, no further separation of user plane gateways and centralized control of services is given

Method used

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  • Network system for providing mobile edge computing service and service method thereof
  • Network system for providing mobile edge computing service and service method thereof

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Embodiment 1

[0031] At present, MEC is in the standardization stage, mainly for the MEC implementation scheme proposed for 5G, and there is no specific implementation scheme that can apply MEC to the mobile communication network in the transition period from 4G and 4G to 5G. The present invention conducts research on this situation and proposes a A network system that provides mobile edge computing services that can be flexibly deployed during the transition period from 4G or 5G or 4G to 5G. It can also be said to be a network architecture that provides mobile edge computing services, including: switches as the center, A core network EPC and a plurality of C-RAN baseband processing units BBU are connected to the switch through optical fibers. The core network EPC is connected to the cloud computing center through the Internet, and the plurality of C-RAN baseband processing units BBU are connected to multiple radio frequencies through optical fibers. The remote unit RRH, as the user's MEC ap...

Embodiment 2

[0036] The overall composition of the network system that provides mobile edge computing services is the same as in Embodiment 1. In the C-RAN baseband processing unit BBU of the present invention, an MEC server is deployed, and a data plane of the S / PGW separated from the core network EPC is also deployed. S / PGW-U enables the data input and calculated by the MEC server to be forwarded directly through S / PGW-U without detouring to a distant core network. Realize the sinking of the core network user plane gateway S / PGW from the core network, and separate the control plane and data plane in the S / PGW into S / PGW-C and S / PGW-U.

[0037] The present invention sinks the S / PGW from the core network, and further separates the control and data in the S / PGW. The centralization of the control plane can make the network layer more concise and easy to manage, and can also reduce signaling routing circuitousness and interface burden. And other issues. After separating the control plane and...

Embodiment 3

[0039] The present invention is also a service method of a network system providing mobile edge computing services, which runs on the above-mentioned network system providing mobile edge computing services, see figure 2 , including the following steps:

[0040] (1) User access: As a user's MEC application device, under the control of 4G or 5G protocols, it connects to RRH through wireless, and then connects to the Internet through BBU, switch, and EPC through optical fiber connection; the core network responsible for user access The module has the MME mobility management entity and the HSS user home server. The MME has the functions of establishing, maintaining and releasing the bearer, and is responsible for establishing the network connection of the MEC application equipment. The HSS has the user's account opening information.

[0041] (2) Task offloading: the user sends the task that requires edge computing to the user's local MEC server in the BBU directly connected to th...

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Abstract

The invention discloses a network system for providing mobile edge computing service and a service method thereof, so as to solve the technical problem of flexible deployment of MEC on a mobile communication network. In the C-RAN architecture, an SDN-based MEC controller is deployed, and an MEC server is deployed in the BBU. The service implementation step mainly comprises the following steps: setting a decision threshold; judging whether the time delay is sensitive or not and the like to determine a computing mode by an MEC controller; and giving a computing result through four computing modes of computing of a local MEC server, combination computing of a plurality of MEC servers, computing of a specific non-local MEC server and computing of a cloud center; and finishing all user MEC tasks through repeated executions. According to the method, the MEC service is realized; meanwhile, the remaining computational resources in the BBU can be sufficiently used, and the MEC network hierarchyis more concise, so that the management is facilitated, the data transmission efficiency is improved, the pressure of a core network is relieved, and the overall computing task time delay is reduced.The method can be used for flexible deployment of the MEC on the mobile communication network in the present 4G period, the 4G to 5G transition period and the 5G period.

Description

technical field [0001] The invention belongs to the field of communication technology, and relates to a network system for mobile edge computing services and a service method that reduces the overall task delay and link load and fully utilizes the computing resources of each server according to different requirements of user tasks. A network system for edge computing services and a service method thereof. It can be used to promote the flexible deployment of mobile edge computing services on the current 4G or 5G or the transition period from 4G to 5G mobile communication networks. Background technique [0002] Mobile Edge Computing (MEC) is a key technology for future 5G networks to meet the new business requirements of ultra-low latency, ultra-low power consumption, ultra-high reliability, and ultra-high-density connections to improve user experience. [0003] However, MEC is still in the standardization stage. Different organizations have released white papers, such as ETS...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/911H04L29/08
CPCH04L43/16H04L47/70H04L67/10H04L12/14H04L12/1403H04M15/00H04M15/31H04W4/24H04M15/66H04M15/50H04L12/1407
Inventor 赵力强卢晓迪梁凯杨健宋凤飞
Owner XIDIAN UNIV
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