MEC-assisted data shunting method in 5G network

A technology of data shunting and network, applied in the direction of electrical components, wireless communication, etc., can solve the problems that the unloading of tasks and the smooth transition of data shunting, the increase of handover failure rate, and no integration can not be guaranteed, so as to reduce the handover failure rate and reduce the transmission time Delay, smooth transition effect

Active Publication Date: 2018-06-15
CERTUS NETWORK TECHNANJING
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Problems solved by technology

[0004] The existing technology has at least the following technical problems: 1) In the traditional handover scheme, the handover request will be rejected because the target gNB cannot meet the QoS requirements of the UE or the resources are insufficient, resulting in an increase i...

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  • MEC-assisted data shunting method in 5G network
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  • MEC-assisted data shunting method in 5G network

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Embodiment Construction

[0032] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] see figure 1 , figure 1 A diagram of the system architecture. The handover system network architecture between base stations based on the MEC server, based on the 3GPP design standard networking architecture includes: the RAN side is composed of three gNB base stations and user equipment, and the gNBs are connected through the Xn interface. The MEC server is deployed on the base station side and serves as the aggregation node of the three gNBs, connecting the base station and core network elements through interfaces. The UE moves from the coverage area of ​​one base station to the coverage area of ​​another base station, and handover occurs in the overlapping area of ​​two gNBs. The core network part mainly includes AMF, SMF, Network Exposure Function (NEF), and Policy Control Function (PCF). MEC and UPF are responsible for data ...

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Abstract

The invention relates to an MEC-assisted data shunting method in a 5G network, and belongs to the technical field of mobile communication. The method, to begin with, for the problem of switching failure due to insufficient base station resources in a conventional switching scheme, improves switching success rate through MEC-assisted selection of a target base station in the switching preparation phase; and then, for the problem of congestion of a core network due to overlarge data traffic, the method designs a task unloading and data shunting scheme, thereby reducing congestion of the core network, reducing user delay and improving network performance and user experience. The method integrates task unloading and data shunting into the user switching process, thereby realizing smooth transition between task unloading and data shunting, and reducing transmission delay and switching failure rate.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to an MEC-assisted data distribution method in a 5G network. Background technique [0002] The rapid development of the mobile Internet and the Internet of Things and the continuous emergence of various new services are expected to bring about a 1,000-fold increase in data traffic and more than 50 billion terminal device connections by 2020. Mobile edge computing (MobileEdge Computing, MEC) is one of the important technical means for the future 5G mobile communication system to improve service capabilities. Unlike other technologies, MEC can be deeply integrated into the mobile communication architecture, which can better guarantee the quality of service (Quality of Service, QoS) and service experience (Quality of Experience, QoE) of users. MEC can be regarded as a supplementary resource of traditional cloud data centers. It deploys general-purpose servers on the radio...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W36/08H04W24/10
CPCH04W24/10H04W36/0088H04W36/08
Inventor 黄晓舸张东宇汤涉陈前斌
Owner CERTUS NETWORK TECHNANJING
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