Ultra-dense Network Mobility Management Algorithm based on SDN and NFV Combination

XIE Yan-hui; ZHAO Su; ZHU Xiao-rong

doi:10.13756/j.gtxyj.2020.04.014

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Ultra-dense Network Mobility Management Algorithm based on SDN and NFV Combination

- Ultra-dense Network Mobility Management Algorithm based on SDN and NFV Combination
- Study on Optical communication Issue 4, Pages: 68-73(2020)
- 作者机构：
  
  南京邮电大学通信与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.04.014
  CLC： TN929.5;TP393.0
- Published：2020，
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[1]谢妍辉,赵夙,朱晓荣.基于SDN与NFV融合的UDN移动性管理算法[J].光通信研究,2020(04):68-73.

XIE Yan-hui, ZHAO Su, ZHU Xiao-rong. Ultra-dense Network Mobility Management Algorithm based on SDN and NFV Combination. [J]. (4):68-73(2020)
[1]谢妍辉,赵夙,朱晓荣.基于SDN与NFV融合的UDN移动性管理算法[J].光通信研究,2020(04):68-73. DOI： 10.13756/j.gtxyj.2020.04.014.

XIE Yan-hui, ZHAO Su, ZHU Xiao-rong. Ultra-dense Network Mobility Management Algorithm based on SDN and NFV Combination. [J]. (4):68-73(2020) DOI： 10.13756/j.gtxyj.2020.04.014.

摘要

针对超密集网络（UDN）下传统切换流程的信令交互过多造成切换总时延的增加

导致用户体验质量下降的问题

文章提出了基于软件定义网络（SDN）和网络功能虚拟化（NFV）融合的超密集网络移动性管理算法

该算法给出了将SDN与NFV相结合的适应超密集网络的网络架构模型

在此基础上提出了优化的切换信令流程

并建立数学模型

进行性能分析。仿真结果表明

相较于传统算法

该算法可以减少切换总时延。

Abstract

The excessive signaling delay of the traditional handover process in Ultra-Dense Network（UDN） leads to the increase of the total delay of the handover

which results in the degradation of user experience quality. This paper proposes an ultra-dense network mobility management algorithm based on the combination of Software Defined Networking（SDN） and Network Function Virtualization（NFV）. The algorithm presents a network architecture model that combines SDN and NFV

which adapts to ultra-dense networks. Based on this

an optimized handover signaling process is proposed and a mathematical model is built for performance analysis. The simulation results show that compared with the traditional algorithm

the algorithm can reduce the total delay of handover.

关键词

超密集网络切换时延信令软件定义网络网络功能虚拟化移动性管理

Keywords

UDNhandover delaysignalingSDNNFVmobility management

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