Mobility management method and device based on network function virtualization
A technology of network function virtualization and management method, applied in the field of mobility management method and device based on network function virtualization, can solve the problem that vMME is difficult to meet diversified mobility management requirements and the like
Active Publication Date: 2019-03-08
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
The mobility management solutions based on vMME are divided into 1:1 mapping scheme, 1:N mapping scheme, N:1 mapping scheme and N:2 mapping scheme, among which most solutions are based on the evolved packet core network ( Evolved Packet Core (EPC for short) is the core, and the MME function is coupled to the EPC for mapping. Some 1:N solutions are difficult to meet the vMME adaptive configuration and optimization for different business scenarios, so there are still vMMEs that are difficult to meet the diversification The issue of mobility management needs
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[0078] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0079] The embodiment of the present invention is mainly aimed at the current solution implemented by using the mobility management function based on network function virtualization to run on a general-purpose server, wherein the 1:1 mapping scheme, the 1:N mapping scheme, and the N:1 mapping scheme And most of the N:2 mapping schemes still use EPC as the core, and the MME function is coupled to the EPC for mapping, so it is difficult to meet the problem of vMME adaptive configuration and optimization for business scenarios, and a...
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The invention provides a mobility management method and device based on network function virtualization. The method comprises the following steps: analyzing a mobility management demand from a user terminal; determining a mobility management architectural feature based on a terminal mobility feature and / or the mobility management demand in a 5G-oriented mobile wireless network architecture to which the user terminal accesses; partitioning preset mobility management virtual network functional components based on the mobility management demand; generating mobility management logics correspondingto the mobility management virtual network functional components obtained by partition based on the mobility management architectural feature; receiving the mobility management demand from the user terminal according to the generated mobility management logics; and finishing a mobility management function based on the generated mobility management logics. In the method, function composition optimization and performance optimization are performed on the mobility management virtual network functional components according to the mobility management demand initiated by the user terminal so as tocustomize mobility management services based on the demands of different business scenarios.
Description
technical field [0001] The present invention relates to the technical field of communication networks, in particular to a mobility management method and device based on network function virtualization. Background technique [0002] With the development of communication network technology, the fifth generation mobile communication network (5G) has been born. In order to meet the diversified needs of 5G services, improving the mobility management technology in mobile wireless networks has become the focus of research. [0003] In related technologies, the mobility management function based on network function virtualization is adopted, that is, the mobility management function is implemented on a general server through a data center-based virtual mobility management entity (Virtual Mobile Management Entity, vMME for short), providing The mobility management function has become an important solution at present. The mobility management solutions based on vMME are divided into 1...
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IPC IPC(8): H04L12/24
CPCH04L41/00H04L41/0893
Inventor 靳浩靳一陆海亚庞文哲赵中原彭木根王文博
Owner BEIJING UNIV OF POSTS & TELECOMM