通信网络基础4G 技术信息工程学院指导老师： 专业、班级： 通信 111 报告人姓名： (签名) 学号： 论文结题时间：2025 年 6 月 17 日 4G 网络技术介绍摘要摘要：随着数据通信与多媒体业务需求的进展，适应移动数据、移动计算及移动多媒体运作需要的第四代移动通信开始兴起，因此有理由期待这种第四代移动通信技术给人们带来更加美好的未来。另一方面，4G 也因为其拥有的超高数据传输速度，被中国物联网校企联盟誉为机器之间当之无愧的“高速对话”。本文简要分析了:(1) 4G 的网络结构;(2) 4G 的关键技术,如 OFDM,软件无线电,智能天线技术,MIMO 技术。(3) 比较了 3G 和 4G 不同指标,分析了 3G 和 4G 采纳的不同技术。(4) 初步探讨了 4G 的现状和进展。关键词：4G，通信AbstractWith the development of data communication and multimedia service demand, adapt to the mobile data, mobile computing and mobile multimedia operation needs of the fourth generation mobile communication began to rise, therefore have reason to look forward to the fourth generation mobile communication technology brings people a better future. On the other hand, 4G also because of its high speed of data transmission, high-speed dialogue Chinese networking alliance known as machine between fully deserve "". This paper briefly analyses: (1) the network structure of 4G; (2) the key technology such as OFDM, 4G, software radio, smart antenna technology, MIMO technology. (3) comparison of different indicators of 3G and 4G, analyzes the different techniques of 3G and 4G use. (4) discusses the present situation and development of 4G. keywords：4G, network communication 目录4G 网络技术介绍...................................................................................................................................2摘要.......................................................................................................................................................2Abstract.......................
