基于NS3的LTE-WiFi无线网络构架仿真
本次毕业设计主要应用NS3网络仿真工具，来构建LTE-WiFi融合网络，并分析仿真结果。主要的研究成果如下：
（1）阐述了异构网络的融合和发展趋势，并大致分析了LTE和WiFi技术各自的优缺点。
（2）对LTE的系统架构和WiFi网络架构进行分析，并讨论这两种无线网络融合的可行性。
（3）介绍了本次课题中使用的网络仿真工具，并对NS3网络仿真工具进行描述和分析。
（4）利用NS3仿真工具，给出了基于NS3的LTE网络场景的仿真过程。
（5）利用NS3网络仿真工具研究LTE-WiFi融合网络，并对仿真结果进行了分析。
关键词：LTE网络 WIFI网络 LTE-WiFi融合网络 NS3仿真19173
毕业设计说明书（论文）外文摘要
Title Simulation of LTE-WiFi wireless network architecture based on NS3
Abstract
With the development of mobile communications and wireless technologies, communication networks become increasingly large, network types and network structures are becoming increasingly complex.Integration of heterogeneous wireless network is the inevitable trend of the development of next-generation networks,UMTS, LTE, WiMAX and WiFi wireless network both compete and complement each other.In this background, the type and number of people to your business needs are increasing,How to achieve the integration of heterogeneous networks in the current network environment to meet different business needs are the focus of research.
(1)Describes the integration and development trend of heterogeneous networks, and generally analyze the LTE and WiFi technology advantages and disadvantages.
(2)System architecture for LTE and WiFi network infrastructure to analyze and discuss the feasibility of the integration of these two wireless networks.
(3)Describes the network simulation tool used in this task, and NS3 network simulation tools to describe and analyze.
(4)Use NS3 simulation tools, the simulation process is based on the LTE network NS3 scene.NS3 network simulation tools to study the use of LTE-WiFi converged
Keywords: Wireless heterogeneous networks LTE WIFI NS3 Simulation
目 次
1 绪论 1
1.1课题背景 1
1.2 异构网络的概述以及发展趋势 1
1.3课题研究内容 2
1.4章节安排 2
1.5 本章小结 3
2 LTE-WiFi融合网络构架 4
2.1 LTE系统构架 4
2.2 WiFi网络结构 5
2.3 LTE-WiFi融合网络构架 8
2.4 本章小结 10
3 网络仿真技术及NS3仿真工具 11
3.1 网络仿真技术 11
3.2 NS3网络仿真工具 12
3.3 NS3仿真流程 13
3.4 本章小结 16
4 LTE网络仿真 17
4.1 仿真模型 17
4.2 LTE网络仿真过程 19
4.2.1 仿真环境 19
4.2.2 仿真过程 20
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